./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/fibo_2calls_15-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/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_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_2calls_15-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 532954920d93df80ec8903cd7069d46bd3e41c8f10c6c2a8e6416a137735480b --- 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 20:29:52,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:29:52,793 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:29:52,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:29:52,856 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:29:52,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:29:52,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:29:52,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:29:52,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:29:52,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:29:52,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:29:52,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:29:52,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:29:52,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:29:52,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:29:52,889 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:29:52,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:29:52,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:29:52,893 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:29:52,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:29:52,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:29:52,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:29:52,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:29:52,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:29:52,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:29:52,924 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:29:52,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:29:52,927 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:29:52,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:29:52,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:29:52,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:29:52,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:29:52,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:29:52,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:29:52,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:29:52,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:29:52,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:29:52,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:29:52,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:29:52,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:29:52,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:29:52,941 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 20:29:52,992 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:29:52,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:29:52,993 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:29:52,993 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:29:52,994 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:29:52,994 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:29:52,996 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:29:52,996 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:29:52,996 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:29:52,997 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:29:52,998 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:29:52,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:29:52,998 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:29:52,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:29:52,999 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:29:52,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:29:52,999 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:29:53,000 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:29:53,000 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:29:53,000 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:29:53,000 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:29:53,000 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:29:53,001 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:29:53,001 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:29:53,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:29:53,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:29:53,002 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:29:53,002 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:29:53,002 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:29:53,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:29:53,003 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:29:53,003 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:29:53,003 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:29:53,003 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_f98cea5f-b012-421a-9377-37edff2a1a8c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 532954920d93df80ec8903cd7069d46bd3e41c8f10c6c2a8e6416a137735480b [2022-11-02 20:29:53,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:29:53,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:29:53,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:29:53,338 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:29:53,339 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:29:53,341 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/recursive-simple/fibo_2calls_15-1.c [2022-11-02 20:29:53,419 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/data/3cde5027d/eb39937c6efa41ef949dfb6b55b607ca/FLAGe97a32fa4 [2022-11-02 20:29:54,140 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:29:54,141 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/sv-benchmarks/c/recursive-simple/fibo_2calls_15-1.c [2022-11-02 20:29:54,150 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/data/3cde5027d/eb39937c6efa41ef949dfb6b55b607ca/FLAGe97a32fa4 [2022-11-02 20:29:54,499 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/data/3cde5027d/eb39937c6efa41ef949dfb6b55b607ca [2022-11-02 20:29:54,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:29:54,504 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:29:54,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:29:54,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:29:54,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:29:54,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:29:54" (1/1) ... [2022-11-02 20:29:54,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@701620ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:54, skipping insertion in model container [2022-11-02 20:29:54,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:29:54" (1/1) ... [2022-11-02 20:29:54,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:29:54,544 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:29:54,808 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_f98cea5f-b012-421a-9377-37edff2a1a8c/sv-benchmarks/c/recursive-simple/fibo_2calls_15-1.c[950,963] [2022-11-02 20:29:54,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:29:54,823 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:29:54,843 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_f98cea5f-b012-421a-9377-37edff2a1a8c/sv-benchmarks/c/recursive-simple/fibo_2calls_15-1.c[950,963] [2022-11-02 20:29:54,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:29:54,862 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:29:54,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:54 WrapperNode [2022-11-02 20:29:54,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:29:54,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:29:54,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:29:54,866 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:29:54,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:54" (1/1) ... [2022-11-02 20:29:54,885 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:54" (1/1) ... [2022-11-02 20:29:54,907 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-11-02 20:29:54,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:29:54,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:29:54,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:29:54,909 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:29:54,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:54" (1/1) ... [2022-11-02 20:29:54,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:54" (1/1) ... [2022-11-02 20:29:54,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:54" (1/1) ... [2022-11-02 20:29:54,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:54" (1/1) ... [2022-11-02 20:29:54,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:54" (1/1) ... [2022-11-02 20:29:54,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:54" (1/1) ... [2022-11-02 20:29:54,945 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:54" (1/1) ... [2022-11-02 20:29:54,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:54" (1/1) ... [2022-11-02 20:29:54,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:29:54,952 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:29:54,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:29:54,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:29:54,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:54" (1/1) ... [2022-11-02 20:29:54,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:29:54,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:29:54,986 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:29:54,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:29:55,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:29:55,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:29:55,029 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2022-11-02 20:29:55,030 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2022-11-02 20:29:55,030 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2022-11-02 20:29:55,030 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2022-11-02 20:29:55,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:29:55,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:29:55,127 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:29:55,130 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:29:55,370 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:29:55,377 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:29:55,378 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:29:55,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:29:55 BoogieIcfgContainer [2022-11-02 20:29:55,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:29:55,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:29:55,384 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:29:55,389 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:29:55,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:29:54" (1/3) ... [2022-11-02 20:29:55,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4196e292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:29:55, skipping insertion in model container [2022-11-02 20:29:55,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:54" (2/3) ... [2022-11-02 20:29:55,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4196e292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:29:55, skipping insertion in model container [2022-11-02 20:29:55,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:29:55" (3/3) ... [2022-11-02 20:29:55,394 INFO L112 eAbstractionObserver]: Analyzing ICFG fibo_2calls_15-1.c [2022-11-02 20:29:55,419 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:29:55,419 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:29:55,489 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:29:55,502 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2748b608, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:29:55,503 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:29:55,509 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 20 states have (on average 1.3) internal successors, (26), 21 states have internal predecessors, (26), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-02 20:29:55,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-02 20:29:55,543 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:29:55,544 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:29:55,544 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:29:55,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:29:55,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1123300790, now seen corresponding path program 1 times [2022-11-02 20:29:55,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:29:55,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835801291] [2022-11-02 20:29:55,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:29:55,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:29:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:55,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:29:55,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:56,082 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 20:29:56,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:29:56,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835801291] [2022-11-02 20:29:56,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835801291] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:29:56,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:29:56,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:29:56,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920981951] [2022-11-02 20:29:56,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:29:56,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:29:56,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:29:56,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:29:56,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:29:56,191 INFO L87 Difference]: Start difference. First operand has 29 states, 20 states have (on average 1.3) internal successors, (26), 21 states have internal predecessors, (26), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:29:56,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:29:56,319 INFO L93 Difference]: Finished difference Result 43 states and 51 transitions. [2022-11-02 20:29:56,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:29:56,324 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-11-02 20:29:56,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:29:56,336 INFO L225 Difference]: With dead ends: 43 [2022-11-02 20:29:56,336 INFO L226 Difference]: Without dead ends: 27 [2022-11-02 20:29:56,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:29:56,349 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 4 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:29:56,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 123 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:29:56,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-02 20:29:56,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-11-02 20:29:56,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2022-11-02 20:29:56,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2022-11-02 20:29:56,421 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 34 transitions. Word has length 10 [2022-11-02 20:29:56,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:29:56,423 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 34 transitions. [2022-11-02 20:29:56,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:29:56,425 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2022-11-02 20:29:56,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-02 20:29:56,427 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:29:56,428 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:29:56,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:29:56,429 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:29:56,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:29:56,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1177745932, now seen corresponding path program 1 times [2022-11-02 20:29:56,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:29:56,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750664059] [2022-11-02 20:29:56,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:29:56,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:29:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:56,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:29:56,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:56,631 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 20:29:56,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:29:56,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750664059] [2022-11-02 20:29:56,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750664059] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:29:56,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:29:56,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:29:56,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81421904] [2022-11-02 20:29:56,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:29:56,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:29:56,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:29:56,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:29:56,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:29:56,649 INFO L87 Difference]: Start difference. First operand 27 states and 34 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:29:56,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:29:56,711 INFO L93 Difference]: Finished difference Result 33 states and 41 transitions. [2022-11-02 20:29:56,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:29:56,712 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-02 20:29:56,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:29:56,716 INFO L225 Difference]: With dead ends: 33 [2022-11-02 20:29:56,718 INFO L226 Difference]: Without dead ends: 29 [2022-11-02 20:29:56,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:29:56,723 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:29:56,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:29:56,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-02 20:29:56,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2022-11-02 20:29:56,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2022-11-02 20:29:56,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2022-11-02 20:29:56,733 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 34 transitions. Word has length 11 [2022-11-02 20:29:56,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:29:56,733 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 34 transitions. [2022-11-02 20:29:56,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:29:56,734 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2022-11-02 20:29:56,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-02 20:29:56,740 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:29:56,741 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:29:56,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:29:56,751 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:29:56,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:29:56,752 INFO L85 PathProgramCache]: Analyzing trace with hash 2110588723, now seen corresponding path program 1 times [2022-11-02 20:29:56,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:29:56,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733431222] [2022-11-02 20:29:56,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:29:56,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:29:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:56,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:29:56,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:57,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:29:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:57,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-02 20:29:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:57,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 20:29:57,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:29:57,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733431222] [2022-11-02 20:29:57,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733431222] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:29:57,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57587437] [2022-11-02 20:29:57,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:29:57,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:29:57,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:29:57,103 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:29:57,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 20:29:57,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:57,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-02 20:29:57,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:29:57,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 20:29:57,381 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:29:57,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 20:29:57,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57587437] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:29:57,763 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:29:57,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 13 [2022-11-02 20:29:57,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175612357] [2022-11-02 20:29:57,764 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:29:57,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-02 20:29:57,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:29:57,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-02 20:29:57,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-11-02 20:29:57,766 INFO L87 Difference]: Start difference. First operand 27 states and 34 transitions. Second operand has 13 states, 10 states have (on average 3.2) internal successors, (32), 13 states have internal predecessors, (32), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-02 20:29:58,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:29:58,104 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2022-11-02 20:29:58,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-02 20:29:58,105 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 3.2) internal successors, (32), 13 states have internal predecessors, (32), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) Word has length 23 [2022-11-02 20:29:58,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:29:58,107 INFO L225 Difference]: With dead ends: 55 [2022-11-02 20:29:58,107 INFO L226 Difference]: Without dead ends: 31 [2022-11-02 20:29:58,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 44 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2022-11-02 20:29:58,109 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 32 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:29:58,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 112 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:29:58,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-11-02 20:29:58,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2022-11-02 20:29:58,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2022-11-02 20:29:58,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2022-11-02 20:29:58,119 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 36 transitions. Word has length 23 [2022-11-02 20:29:58,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:29:58,120 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 36 transitions. [2022-11-02 20:29:58,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 3.2) internal successors, (32), 13 states have internal predecessors, (32), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-02 20:29:58,121 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2022-11-02 20:29:58,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-02 20:29:58,122 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:29:58,138 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:29:58,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:29:58,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:29:58,340 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:29:58,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:29:58,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1277869167, now seen corresponding path program 1 times [2022-11-02 20:29:58,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:29:58,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650004441] [2022-11-02 20:29:58,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:29:58,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:29:58,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:58,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:29:58,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:58,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:29:58,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:58,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:29:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:58,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 20:29:58,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:29:58,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650004441] [2022-11-02 20:29:58,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650004441] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:29:58,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499001861] [2022-11-02 20:29:58,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:29:58,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:29:58,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:29:58,599 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:29:58,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-02 20:29:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:58,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-02 20:29:58,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:29:58,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 20:29:58,766 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:29:59,051 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 20:29:59,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [499001861] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:29:59,052 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:29:59,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 13 [2022-11-02 20:29:59,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783513284] [2022-11-02 20:29:59,053 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:29:59,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-02 20:29:59,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:29:59,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-02 20:29:59,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-02 20:29:59,056 INFO L87 Difference]: Start difference. First operand 29 states and 36 transitions. Second operand has 13 states, 11 states have (on average 2.909090909090909) internal successors, (32), 13 states have internal predecessors, (32), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-02 20:29:59,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:29:59,263 INFO L93 Difference]: Finished difference Result 51 states and 71 transitions. [2022-11-02 20:29:59,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:29:59,264 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 2.909090909090909) internal successors, (32), 13 states have internal predecessors, (32), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) Word has length 24 [2022-11-02 20:29:59,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:29:59,268 INFO L225 Difference]: With dead ends: 51 [2022-11-02 20:29:59,268 INFO L226 Difference]: Without dead ends: 47 [2022-11-02 20:29:59,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 46 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2022-11-02 20:29:59,270 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 32 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:29:59,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 92 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:29:59,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-11-02 20:29:59,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2022-11-02 20:29:59,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 31 states have internal predecessors, (38), 9 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (15), 9 states have call predecessors, (15), 9 states have call successors, (15) [2022-11-02 20:29:59,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 62 transitions. [2022-11-02 20:29:59,284 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 62 transitions. Word has length 24 [2022-11-02 20:29:59,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:29:59,285 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 62 transitions. [2022-11-02 20:29:59,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 2.909090909090909) internal successors, (32), 13 states have internal predecessors, (32), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-02 20:29:59,286 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 62 transitions. [2022-11-02 20:29:59,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-02 20:29:59,288 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:29:59,288 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:29:59,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:29:59,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:29:59,515 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:29:59,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:29:59,516 INFO L85 PathProgramCache]: Analyzing trace with hash -2061621832, now seen corresponding path program 1 times [2022-11-02 20:29:59,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:29:59,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104680699] [2022-11-02 20:29:59,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:29:59,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:29:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:59,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:29:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:59,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:29:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:59,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:29:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:59,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-02 20:29:59,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:59,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-02 20:29:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:59,736 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-02 20:29:59,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:29:59,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104680699] [2022-11-02 20:29:59,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104680699] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:29:59,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814449671] [2022-11-02 20:29:59,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:29:59,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:29:59,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:29:59,743 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:29:59,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-02 20:29:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:59,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 20:29:59,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:29:59,951 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-02 20:29:59,952 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:30:00,493 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-02 20:30:00,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814449671] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:30:00,493 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:30:00,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 9] total 15 [2022-11-02 20:30:00,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939422372] [2022-11-02 20:30:00,494 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:30:00,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-02 20:30:00,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:30:00,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-02 20:30:00,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2022-11-02 20:30:00,500 INFO L87 Difference]: Start difference. First operand 45 states and 62 transitions. Second operand has 15 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 15 states have internal predecessors, (47), 11 states have call successors, (13), 1 states have call predecessors, (13), 5 states have return successors, (13), 3 states have call predecessors, (13), 11 states have call successors, (13) [2022-11-02 20:30:00,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:30:00,895 INFO L93 Difference]: Finished difference Result 105 states and 167 transitions. [2022-11-02 20:30:00,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-02 20:30:00,896 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 15 states have internal predecessors, (47), 11 states have call successors, (13), 1 states have call predecessors, (13), 5 states have return successors, (13), 3 states have call predecessors, (13), 11 states have call successors, (13) Word has length 36 [2022-11-02 20:30:00,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:30:00,910 INFO L225 Difference]: With dead ends: 105 [2022-11-02 20:30:00,911 INFO L226 Difference]: Without dead ends: 63 [2022-11-02 20:30:00,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 76 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2022-11-02 20:30:00,916 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 65 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:30:00,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 95 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:30:00,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-11-02 20:30:00,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-11-02 20:30:00,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 41 states have (on average 1.2439024390243902) internal successors, (51), 44 states have internal predecessors, (51), 12 states have call successors, (12), 5 states have call predecessors, (12), 9 states have return successors, (29), 13 states have call predecessors, (29), 12 states have call successors, (29) [2022-11-02 20:30:00,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 92 transitions. [2022-11-02 20:30:00,949 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 92 transitions. Word has length 36 [2022-11-02 20:30:00,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:30:00,950 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 92 transitions. [2022-11-02 20:30:00,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 15 states have internal predecessors, (47), 11 states have call successors, (13), 1 states have call predecessors, (13), 5 states have return successors, (13), 3 states have call predecessors, (13), 11 states have call successors, (13) [2022-11-02 20:30:00,951 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2022-11-02 20:30:00,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-02 20:30:00,960 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:00,960 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:30:01,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:01,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:30:01,183 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:01,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:01,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1167294498, now seen corresponding path program 1 times [2022-11-02 20:30:01,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:01,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181314558] [2022-11-02 20:30:01,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:01,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:01,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:01,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:30:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:01,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:01,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:01,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:01,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:01,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:01,396 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-02 20:30:01,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:30:01,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181314558] [2022-11-02 20:30:01,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181314558] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:30:01,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940499956] [2022-11-02 20:30:01,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:01,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:30:01,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:01,399 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:30:01,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-02 20:30:01,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:01,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 20:30:01,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:30:01,601 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-02 20:30:01,602 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:30:02,057 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-02 20:30:02,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1940499956] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:30:02,057 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:30:02,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 9] total 18 [2022-11-02 20:30:02,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820747121] [2022-11-02 20:30:02,058 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:30:02,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-02 20:30:02,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:30:02,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-02 20:30:02,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2022-11-02 20:30:02,061 INFO L87 Difference]: Start difference. First operand 63 states and 92 transitions. Second operand has 18 states, 16 states have (on average 3.125) internal successors, (50), 18 states have internal predecessors, (50), 11 states have call successors, (13), 1 states have call predecessors, (13), 7 states have return successors, (13), 6 states have call predecessors, (13), 11 states have call successors, (13) [2022-11-02 20:30:02,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:30:02,657 INFO L93 Difference]: Finished difference Result 177 states and 321 transitions. [2022-11-02 20:30:02,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-02 20:30:02,658 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 3.125) internal successors, (50), 18 states have internal predecessors, (50), 11 states have call successors, (13), 1 states have call predecessors, (13), 7 states have return successors, (13), 6 states have call predecessors, (13), 11 states have call successors, (13) Word has length 37 [2022-11-02 20:30:02,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:30:02,661 INFO L225 Difference]: With dead ends: 177 [2022-11-02 20:30:02,661 INFO L226 Difference]: Without dead ends: 117 [2022-11-02 20:30:02,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 78 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=120, Invalid=530, Unknown=0, NotChecked=0, Total=650 [2022-11-02 20:30:02,665 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 60 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:30:02,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 222 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-02 20:30:02,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2022-11-02 20:30:02,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 103. [2022-11-02 20:30:02,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 66 states have (on average 1.2121212121212122) internal successors, (80), 69 states have internal predecessors, (80), 21 states have call successors, (21), 7 states have call predecessors, (21), 15 states have return successors, (65), 26 states have call predecessors, (65), 21 states have call successors, (65) [2022-11-02 20:30:02,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 166 transitions. [2022-11-02 20:30:02,694 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 166 transitions. Word has length 37 [2022-11-02 20:30:02,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:30:02,695 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 166 transitions. [2022-11-02 20:30:02,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 3.125) internal successors, (50), 18 states have internal predecessors, (50), 11 states have call successors, (13), 1 states have call predecessors, (13), 7 states have return successors, (13), 6 states have call predecessors, (13), 11 states have call successors, (13) [2022-11-02 20:30:02,696 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 166 transitions. [2022-11-02 20:30:02,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-02 20:30:02,699 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:02,699 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:30:02,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:02,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:30:02,927 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:02,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:02,927 INFO L85 PathProgramCache]: Analyzing trace with hash 384535367, now seen corresponding path program 1 times [2022-11-02 20:30:02,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:02,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954501373] [2022-11-02 20:30:02,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:02,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:02,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:03,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:30:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:03,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:03,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:03,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:03,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:03,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:03,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:03,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:03,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:30:03,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:03,273 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-02 20:30:03,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:30:03,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954501373] [2022-11-02 20:30:03,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954501373] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:30:03,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2035838792] [2022-11-02 20:30:03,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:03,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:30:03,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:03,276 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:30:03,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-02 20:30:03,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:03,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-02 20:30:03,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:30:03,519 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-02 20:30:03,519 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:30:04,276 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-02 20:30:04,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2035838792] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:30:04,276 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:30:04,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 11] total 20 [2022-11-02 20:30:04,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934254441] [2022-11-02 20:30:04,277 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:30:04,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-02 20:30:04,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:30:04,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-02 20:30:04,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2022-11-02 20:30:04,279 INFO L87 Difference]: Start difference. First operand 103 states and 166 transitions. Second operand has 20 states, 18 states have (on average 3.3333333333333335) internal successors, (60), 20 states have internal predecessors, (60), 14 states have call successors, (16), 1 states have call predecessors, (16), 8 states have return successors, (18), 7 states have call predecessors, (18), 14 states have call successors, (18) [2022-11-02 20:30:04,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:30:04,977 INFO L93 Difference]: Finished difference Result 255 states and 495 transitions. [2022-11-02 20:30:04,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-02 20:30:04,978 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 3.3333333333333335) internal successors, (60), 20 states have internal predecessors, (60), 14 states have call successors, (16), 1 states have call predecessors, (16), 8 states have return successors, (18), 7 states have call predecessors, (18), 14 states have call successors, (18) Word has length 51 [2022-11-02 20:30:04,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:30:04,981 INFO L225 Difference]: With dead ends: 255 [2022-11-02 20:30:04,981 INFO L226 Difference]: Without dead ends: 155 [2022-11-02 20:30:04,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 110 SyntacticMatches, 4 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=150, Invalid=662, Unknown=0, NotChecked=0, Total=812 [2022-11-02 20:30:04,985 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 76 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:30:04,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 227 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-02 20:30:04,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2022-11-02 20:30:05,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 109. [2022-11-02 20:30:05,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 71 states have (on average 1.2253521126760563) internal successors, (87), 72 states have internal predecessors, (87), 24 states have call successors, (24), 9 states have call predecessors, (24), 13 states have return successors, (66), 27 states have call predecessors, (66), 24 states have call successors, (66) [2022-11-02 20:30:05,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 177 transitions. [2022-11-02 20:30:05,016 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 177 transitions. Word has length 51 [2022-11-02 20:30:05,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:30:05,016 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 177 transitions. [2022-11-02 20:30:05,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 3.3333333333333335) internal successors, (60), 20 states have internal predecessors, (60), 14 states have call successors, (16), 1 states have call predecessors, (16), 8 states have return successors, (18), 7 states have call predecessors, (18), 14 states have call successors, (18) [2022-11-02 20:30:05,017 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 177 transitions. [2022-11-02 20:30:05,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-02 20:30:05,020 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:05,021 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:30:05,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:05,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:30:05,247 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:05,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:05,248 INFO L85 PathProgramCache]: Analyzing trace with hash -586612948, now seen corresponding path program 1 times [2022-11-02 20:30:05,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:05,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44492233] [2022-11-02 20:30:05,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:05,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:05,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:30:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:05,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:05,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:05,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:05,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:05,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:05,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:05,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:05,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:05,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:30:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:05,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 20:30:05,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:05,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:05,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:05,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:05,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:05,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:05,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:05,852 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 40 proven. 57 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-11-02 20:30:05,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:30:05,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44492233] [2022-11-02 20:30:05,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44492233] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:30:05,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560284446] [2022-11-02 20:30:05,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:05,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:30:05,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:05,857 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:30:05,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-02 20:30:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:05,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-02 20:30:05,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:30:06,176 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 13 proven. 92 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-02 20:30:06,176 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:30:07,447 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 13 proven. 102 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-11-02 20:30:07,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [560284446] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:30:07,448 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:30:07,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 13] total 24 [2022-11-02 20:30:07,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531859888] [2022-11-02 20:30:07,449 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:30:07,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-02 20:30:07,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:30:07,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-02 20:30:07,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=464, Unknown=0, NotChecked=0, Total=552 [2022-11-02 20:30:07,451 INFO L87 Difference]: Start difference. First operand 109 states and 177 transitions. Second operand has 24 states, 22 states have (on average 3.5) internal successors, (77), 24 states have internal predecessors, (77), 18 states have call successors, (23), 1 states have call predecessors, (23), 9 states have return successors, (27), 11 states have call predecessors, (27), 18 states have call successors, (27) [2022-11-02 20:30:08,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:30:08,254 INFO L93 Difference]: Finished difference Result 240 states and 462 transitions. [2022-11-02 20:30:08,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-02 20:30:08,255 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 3.5) internal successors, (77), 24 states have internal predecessors, (77), 18 states have call successors, (23), 1 states have call predecessors, (23), 9 states have return successors, (27), 11 states have call predecessors, (27), 18 states have call successors, (27) Word has length 93 [2022-11-02 20:30:08,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:30:08,258 INFO L225 Difference]: With dead ends: 240 [2022-11-02 20:30:08,258 INFO L226 Difference]: Without dead ends: 107 [2022-11-02 20:30:08,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 194 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=221, Invalid=1039, Unknown=0, NotChecked=0, Total=1260 [2022-11-02 20:30:08,266 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 111 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:30:08,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 209 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-02 20:30:08,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-11-02 20:30:08,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 84. [2022-11-02 20:30:08,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 57 states have (on average 1.1754385964912282) internal successors, (67), 58 states have internal predecessors, (67), 14 states have call successors, (14), 8 states have call predecessors, (14), 12 states have return successors, (35), 17 states have call predecessors, (35), 14 states have call successors, (35) [2022-11-02 20:30:08,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 116 transitions. [2022-11-02 20:30:08,312 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 116 transitions. Word has length 93 [2022-11-02 20:30:08,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:30:08,313 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 116 transitions. [2022-11-02 20:30:08,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 3.5) internal successors, (77), 24 states have internal predecessors, (77), 18 states have call successors, (23), 1 states have call predecessors, (23), 9 states have return successors, (27), 11 states have call predecessors, (27), 18 states have call successors, (27) [2022-11-02 20:30:08,313 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 116 transitions. [2022-11-02 20:30:08,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-02 20:30:08,321 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:08,322 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:30:08,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:08,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-02 20:30:08,543 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:08,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:08,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1129417830, now seen corresponding path program 1 times [2022-11-02 20:30:08,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:08,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034074420] [2022-11-02 20:30:08,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:08,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:08,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:30:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:08,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:08,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:09,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:09,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:09,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:09,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:09,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:09,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:09,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:09,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:09,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:09,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:30:09,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:09,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 20:30:09,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:09,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:09,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:09,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:09,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:09,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:09,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:09,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:09,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:30:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:09,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-02 20:30:09,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:09,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:09,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:09,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:09,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:09,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:09,313 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 73 proven. 135 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2022-11-02 20:30:09,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:30:09,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034074420] [2022-11-02 20:30:09,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034074420] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:30:09,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872405998] [2022-11-02 20:30:09,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:09,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:30:09,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:09,316 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:30:09,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-02 20:30:09,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:09,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-02 20:30:09,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:30:09,708 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 36 proven. 211 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2022-11-02 20:30:09,709 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:30:11,588 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 36 proven. 227 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2022-11-02 20:30:11,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872405998] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:30:11,589 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:30:11,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 15] total 26 [2022-11-02 20:30:11,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117406938] [2022-11-02 20:30:11,593 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:30:11,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-02 20:30:11,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:30:11,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-02 20:30:11,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=549, Unknown=0, NotChecked=0, Total=650 [2022-11-02 20:30:11,601 INFO L87 Difference]: Start difference. First operand 84 states and 116 transitions. Second operand has 26 states, 24 states have (on average 3.4166666666666665) internal successors, (82), 26 states have internal predecessors, (82), 20 states have call successors, (25), 1 states have call predecessors, (25), 10 states have return successors, (32), 12 states have call predecessors, (32), 20 states have call successors, (32) [2022-11-02 20:30:12,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:30:12,514 INFO L93 Difference]: Finished difference Result 214 states and 372 transitions. [2022-11-02 20:30:12,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-02 20:30:12,515 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 3.4166666666666665) internal successors, (82), 26 states have internal predecessors, (82), 20 states have call successors, (25), 1 states have call predecessors, (25), 10 states have return successors, (32), 12 states have call predecessors, (32), 20 states have call successors, (32) Word has length 148 [2022-11-02 20:30:12,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:30:12,517 INFO L225 Difference]: With dead ends: 214 [2022-11-02 20:30:12,518 INFO L226 Difference]: Without dead ends: 134 [2022-11-02 20:30:12,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 320 SyntacticMatches, 6 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=275, Invalid=1285, Unknown=0, NotChecked=0, Total=1560 [2022-11-02 20:30:12,520 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 108 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:30:12,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 235 Invalid, 777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-02 20:30:12,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2022-11-02 20:30:12,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 114. [2022-11-02 20:30:12,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 77 states have (on average 1.2077922077922079) internal successors, (93), 78 states have internal predecessors, (93), 20 states have call successors, (20), 11 states have call predecessors, (20), 16 states have return successors, (56), 24 states have call predecessors, (56), 20 states have call successors, (56) [2022-11-02 20:30:12,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 169 transitions. [2022-11-02 20:30:12,546 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 169 transitions. Word has length 148 [2022-11-02 20:30:12,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:30:12,547 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 169 transitions. [2022-11-02 20:30:12,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 3.4166666666666665) internal successors, (82), 26 states have internal predecessors, (82), 20 states have call successors, (25), 1 states have call predecessors, (25), 10 states have return successors, (32), 12 states have call predecessors, (32), 20 states have call successors, (32) [2022-11-02 20:30:12,547 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 169 transitions. [2022-11-02 20:30:12,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-11-02 20:30:12,551 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:12,552 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 18, 18, 17, 16, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 6, 4, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:30:12,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:12,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:30:12,771 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:12,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:12,771 INFO L85 PathProgramCache]: Analyzing trace with hash -399650163, now seen corresponding path program 2 times [2022-11-02 20:30:12,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:12,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548023106] [2022-11-02 20:30:12,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:12,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:12,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:13,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:30:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:13,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:13,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:13,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:13,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:13,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:13,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:13,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:13,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:13,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:13,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:30:13,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:13,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:13,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:13,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:30:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:14,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:14,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:14,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:14,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 20:30:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:14,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:14,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:14,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:14,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:14,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:14,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:14,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-02 20:30:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:14,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:14,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:14,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:14,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:14,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:14,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:14,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:14,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:14,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:14,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:14,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:30:14,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:14,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:14,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:14,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:30:14,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:14,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:14,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:14,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:14,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 20:30:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:14,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:14,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:14,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:14,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:14,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:14,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:14,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2032 backedges. 169 proven. 360 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2022-11-02 20:30:14,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:30:14,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548023106] [2022-11-02 20:30:14,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548023106] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:30:14,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431448500] [2022-11-02 20:30:14,239 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 20:30:14,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:30:14,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:14,243 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:30:14,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-02 20:30:14,461 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-02 20:30:14,461 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:30:14,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 625 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-02 20:30:14,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:30:14,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2032 backedges. 79 proven. 543 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2022-11-02 20:30:14,690 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:30:17,570 INFO L134 CoverageAnalysis]: Checked inductivity of 2032 backedges. 79 proven. 567 refuted. 0 times theorem prover too weak. 1386 trivial. 0 not checked. [2022-11-02 20:30:17,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1431448500] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:30:17,571 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:30:17,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 17] total 28 [2022-11-02 20:30:17,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396996789] [2022-11-02 20:30:17,572 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:30:17,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-02 20:30:17,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:30:17,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-02 20:30:17,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=637, Unknown=0, NotChecked=0, Total=756 [2022-11-02 20:30:17,576 INFO L87 Difference]: Start difference. First operand 114 states and 169 transitions. Second operand has 28 states, 26 states have (on average 3.5) internal successors, (91), 28 states have internal predecessors, (91), 22 states have call successors, (28), 1 states have call predecessors, (28), 11 states have return successors, (37), 14 states have call predecessors, (37), 22 states have call successors, (37) [2022-11-02 20:30:18,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:30:18,642 INFO L93 Difference]: Finished difference Result 260 states and 447 transitions. [2022-11-02 20:30:18,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-02 20:30:18,643 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 26 states have (on average 3.5) internal successors, (91), 28 states have internal predecessors, (91), 22 states have call successors, (28), 1 states have call predecessors, (28), 11 states have return successors, (37), 14 states have call predecessors, (37), 22 states have call successors, (37) Word has length 271 [2022-11-02 20:30:18,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:30:18,646 INFO L225 Difference]: With dead ends: 260 [2022-11-02 20:30:18,646 INFO L226 Difference]: Without dead ends: 155 [2022-11-02 20:30:18,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 649 GetRequests, 599 SyntacticMatches, 7 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=342, Invalid=1638, Unknown=0, NotChecked=0, Total=1980 [2022-11-02 20:30:18,649 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 127 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 783 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:30:18,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 273 Invalid, 968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 783 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-02 20:30:18,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2022-11-02 20:30:18,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 145. [2022-11-02 20:30:18,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 101 states have (on average 1.2376237623762376) internal successors, (125), 99 states have internal predecessors, (125), 26 states have call successors, (26), 18 states have call predecessors, (26), 17 states have return successors, (73), 27 states have call predecessors, (73), 26 states have call successors, (73) [2022-11-02 20:30:18,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 224 transitions. [2022-11-02 20:30:18,669 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 224 transitions. Word has length 271 [2022-11-02 20:30:18,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:30:18,670 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 224 transitions. [2022-11-02 20:30:18,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 26 states have (on average 3.5) internal successors, (91), 28 states have internal predecessors, (91), 22 states have call successors, (28), 1 states have call predecessors, (28), 11 states have return successors, (37), 14 states have call predecessors, (37), 22 states have call successors, (37) [2022-11-02 20:30:18,671 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 224 transitions. [2022-11-02 20:30:18,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2022-11-02 20:30:18,680 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:18,680 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 25, 25, 22, 22, 15, 15, 15, 15, 15, 15, 15, 12, 12, 12, 12, 12, 12, 12, 10, 8, 7, 3, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:30:18,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:18,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-02 20:30:18,903 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:18,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:18,903 INFO L85 PathProgramCache]: Analyzing trace with hash -854779469, now seen corresponding path program 3 times [2022-11-02 20:30:18,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:18,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910643209] [2022-11-02 20:30:18,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:18,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:19,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:30:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:19,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:20,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:20,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:20,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:30:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:20,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:30:20,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:30:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-02 20:30:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:30:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:20,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:30:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:20,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-11-02 20:30:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:20,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:20,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:30:20,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:20,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:30:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 20:30:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:20,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4086 backedges. 245 proven. 607 refuted. 0 times theorem prover too weak. 3234 trivial. 0 not checked. [2022-11-02 20:30:20,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:30:20,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910643209] [2022-11-02 20:30:20,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910643209] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:30:20,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [531583323] [2022-11-02 20:30:20,998 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-02 20:30:20,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:30:20,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:21,000 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:30:21,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-02 20:30:21,199 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-11-02 20:30:21,199 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:30:21,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-02 20:30:21,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:30:21,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4086 backedges. 726 proven. 42 refuted. 0 times theorem prover too weak. 3318 trivial. 0 not checked. [2022-11-02 20:30:21,450 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:30:23,478 INFO L134 CoverageAnalysis]: Checked inductivity of 4086 backedges. 726 proven. 43 refuted. 0 times theorem prover too weak. 3317 trivial. 0 not checked. [2022-11-02 20:30:23,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [531583323] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:30:23,479 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:30:23,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 13] total 26 [2022-11-02 20:30:23,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204117151] [2022-11-02 20:30:23,480 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:30:23,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-02 20:30:23,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:30:23,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-02 20:30:23,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=553, Unknown=0, NotChecked=0, Total=650 [2022-11-02 20:30:23,483 INFO L87 Difference]: Start difference. First operand 145 states and 224 transitions. Second operand has 26 states, 25 states have (on average 3.44) internal successors, (86), 26 states have internal predecessors, (86), 15 states have call successors, (26), 1 states have call predecessors, (26), 9 states have return successors, (32), 16 states have call predecessors, (32), 15 states have call successors, (32) [2022-11-02 20:30:24,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:30:24,079 INFO L93 Difference]: Finished difference Result 308 states and 520 transitions. [2022-11-02 20:30:24,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-02 20:30:24,080 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 3.44) internal successors, (86), 26 states have internal predecessors, (86), 15 states have call successors, (26), 1 states have call predecessors, (26), 9 states have return successors, (32), 16 states have call predecessors, (32), 15 states have call successors, (32) Word has length 378 [2022-11-02 20:30:24,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:30:24,083 INFO L225 Difference]: With dead ends: 308 [2022-11-02 20:30:24,083 INFO L226 Difference]: Without dead ends: 168 [2022-11-02 20:30:24,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 888 GetRequests, 849 SyntacticMatches, 6 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 281 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=199, Invalid=991, Unknown=0, NotChecked=0, Total=1190 [2022-11-02 20:30:24,086 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 91 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:30:24,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 246 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-02 20:30:24,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-11-02 20:30:24,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 165. [2022-11-02 20:30:24,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 116 states have (on average 1.1379310344827587) internal successors, (132), 112 states have internal predecessors, (132), 32 states have call successors, (32), 24 states have call predecessors, (32), 16 states have return successors, (79), 28 states have call predecessors, (79), 32 states have call successors, (79) [2022-11-02 20:30:24,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 243 transitions. [2022-11-02 20:30:24,114 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 243 transitions. Word has length 378 [2022-11-02 20:30:24,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:30:24,116 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 243 transitions. [2022-11-02 20:30:24,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 3.44) internal successors, (86), 26 states have internal predecessors, (86), 15 states have call successors, (26), 1 states have call predecessors, (26), 9 states have return successors, (32), 16 states have call predecessors, (32), 15 states have call successors, (32) [2022-11-02 20:30:24,116 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 243 transitions. [2022-11-02 20:30:24,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2022-11-02 20:30:24,133 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:24,134 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 42, 42, 37, 34, 22, 22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 21, 21, 21, 16, 12, 8, 8, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:30:24,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:24,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-02 20:30:24,363 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:24,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:24,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1952053737, now seen corresponding path program 4 times [2022-11-02 20:30:24,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:24,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36531043] [2022-11-02 20:30:24,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:24,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:25,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:30:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:26,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:26,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:26,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:26,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:30:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:30:27,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 20:30:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:27,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:30:27,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:30:27,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:30:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:27,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 20:30:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-02 20:30:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:27,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:30:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:30:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:27,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 20:30:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:27,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:30:27,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:27,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:30:27,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:27,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:30:27,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:27,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 20:30:27,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:27,787 INFO L134 CoverageAnalysis]: Checked inductivity of 10395 backedges. 367 proven. 1344 refuted. 0 times theorem prover too weak. 8684 trivial. 0 not checked. [2022-11-02 20:30:27,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:30:27,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36531043] [2022-11-02 20:30:27,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36531043] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:30:27,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139024524] [2022-11-02 20:30:27,789 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-02 20:30:27,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:30:27,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:27,795 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:30:27,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-02 20:30:28,128 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-02 20:30:28,128 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:30:28,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 1060 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-02 20:30:28,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:30:28,416 INFO L134 CoverageAnalysis]: Checked inductivity of 10395 backedges. 4111 proven. 176 refuted. 0 times theorem prover too weak. 6108 trivial. 0 not checked. [2022-11-02 20:30:28,417 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:30:32,735 INFO L134 CoverageAnalysis]: Checked inductivity of 10395 backedges. 342 proven. 1742 refuted. 0 times theorem prover too weak. 8311 trivial. 0 not checked. [2022-11-02 20:30:32,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139024524] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:30:32,736 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:30:32,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 19] total 31 [2022-11-02 20:30:32,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553217981] [2022-11-02 20:30:32,737 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:30:32,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-11-02 20:30:32,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:30:32,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-11-02 20:30:32,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=778, Unknown=0, NotChecked=0, Total=930 [2022-11-02 20:30:32,740 INFO L87 Difference]: Start difference. First operand 165 states and 243 transitions. Second operand has 31 states, 31 states have (on average 3.6129032258064515) internal successors, (112), 31 states have internal predecessors, (112), 25 states have call successors, (36), 2 states have call predecessors, (36), 11 states have return successors, (43), 15 states have call predecessors, (43), 25 states have call successors, (43) [2022-11-02 20:30:33,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:30:33,491 INFO L93 Difference]: Finished difference Result 338 states and 521 transitions. [2022-11-02 20:30:33,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-02 20:30:33,492 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.6129032258064515) internal successors, (112), 31 states have internal predecessors, (112), 25 states have call successors, (36), 2 states have call predecessors, (36), 11 states have return successors, (43), 15 states have call predecessors, (43), 25 states have call successors, (43) Word has length 597 [2022-11-02 20:30:33,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:30:33,496 INFO L225 Difference]: With dead ends: 338 [2022-11-02 20:30:33,496 INFO L226 Difference]: Without dead ends: 180 [2022-11-02 20:30:33,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1392 GetRequests, 1345 SyntacticMatches, 9 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=277, Invalid=1283, Unknown=0, NotChecked=0, Total=1560 [2022-11-02 20:30:33,499 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 70 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:30:33,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 303 Invalid, 741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-02 20:30:33,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2022-11-02 20:30:33,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 175. [2022-11-02 20:30:33,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 124 states have (on average 1.096774193548387) internal successors, (136), 119 states have internal predecessors, (136), 34 states have call successors, (34), 27 states have call predecessors, (34), 16 states have return successors, (83), 28 states have call predecessors, (83), 34 states have call successors, (83) [2022-11-02 20:30:33,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 253 transitions. [2022-11-02 20:30:33,518 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 253 transitions. Word has length 597 [2022-11-02 20:30:33,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:30:33,520 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 253 transitions. [2022-11-02 20:30:33,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 3.6129032258064515) internal successors, (112), 31 states have internal predecessors, (112), 25 states have call successors, (36), 2 states have call predecessors, (36), 11 states have return successors, (43), 15 states have call predecessors, (43), 25 states have call successors, (43) [2022-11-02 20:30:33,521 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 253 transitions. [2022-11-02 20:30:33,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2022-11-02 20:30:33,534 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:33,534 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 33, 33, 27, 27, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 11, 10, 7, 6, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:30:33,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:33,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:30:33,759 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:33,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:33,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1402769443, now seen corresponding path program 5 times [2022-11-02 20:30:33,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:33,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029409465] [2022-11-02 20:30:33,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:33,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:33,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:34,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:30:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:35,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:35,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:35,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:35,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:35,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:30:36,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:30:36,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:36,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:36,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 20:30:36,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:36,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:30:36,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:36,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-02 20:30:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:36,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:30:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:30:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:36,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:36,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:36,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-02 20:30:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:36,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:36,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:30:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:36,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:30:36,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:36,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 20:30:36,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:36,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:36,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:30:36,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,549 INFO L134 CoverageAnalysis]: Checked inductivity of 6082 backedges. 179 proven. 1128 refuted. 0 times theorem prover too weak. 4775 trivial. 0 not checked. [2022-11-02 20:30:36,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:30:36,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029409465] [2022-11-02 20:30:36,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029409465] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:30:36,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774816327] [2022-11-02 20:30:36,551 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-02 20:30:36,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:30:36,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:36,553 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:30:36,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-02 20:30:36,994 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 32 check-sat command(s) [2022-11-02 20:30:36,994 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:30:37,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 1045 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-02 20:30:37,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:30:37,208 INFO L134 CoverageAnalysis]: Checked inductivity of 6082 backedges. 705 proven. 290 refuted. 0 times theorem prover too weak. 5087 trivial. 0 not checked. [2022-11-02 20:30:37,209 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:30:39,884 INFO L134 CoverageAnalysis]: Checked inductivity of 6082 backedges. 707 proven. 306 refuted. 0 times theorem prover too weak. 5069 trivial. 0 not checked. [2022-11-02 20:30:39,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1774816327] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:30:39,885 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:30:39,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 11, 15] total 33 [2022-11-02 20:30:39,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459053324] [2022-11-02 20:30:39,886 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:30:39,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-11-02 20:30:39,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:30:39,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-11-02 20:30:39,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=861, Unknown=0, NotChecked=0, Total=1056 [2022-11-02 20:30:39,890 INFO L87 Difference]: Start difference. First operand 175 states and 253 transitions. Second operand has 33 states, 31 states have (on average 2.903225806451613) internal successors, (90), 33 states have internal predecessors, (90), 22 states have call successors, (28), 1 states have call predecessors, (28), 13 states have return successors, (36), 23 states have call predecessors, (36), 22 states have call successors, (36) [2022-11-02 20:30:40,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:30:40,695 INFO L93 Difference]: Finished difference Result 471 states and 749 transitions. [2022-11-02 20:30:40,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-02 20:30:40,697 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 31 states have (on average 2.903225806451613) internal successors, (90), 33 states have internal predecessors, (90), 22 states have call successors, (28), 1 states have call predecessors, (28), 13 states have return successors, (36), 23 states have call predecessors, (36), 22 states have call successors, (36) Word has length 460 [2022-11-02 20:30:40,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:30:40,705 INFO L225 Difference]: With dead ends: 471 [2022-11-02 20:30:40,706 INFO L226 Difference]: Without dead ends: 467 [2022-11-02 20:30:40,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1075 GetRequests, 1033 SyntacticMatches, 6 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 721 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=271, Invalid=1135, Unknown=0, NotChecked=0, Total=1406 [2022-11-02 20:30:40,710 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 155 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:30:40,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 214 Invalid, 916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 737 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-02 20:30:40,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2022-11-02 20:30:40,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 444. [2022-11-02 20:30:40,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 303 states have (on average 1.0792079207920793) internal successors, (327), 295 states have internal predecessors, (327), 99 states have call successors, (99), 58 states have call predecessors, (99), 41 states have return successors, (279), 90 states have call predecessors, (279), 99 states have call successors, (279) [2022-11-02 20:30:40,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 705 transitions. [2022-11-02 20:30:40,768 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 705 transitions. Word has length 460 [2022-11-02 20:30:40,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:30:40,769 INFO L495 AbstractCegarLoop]: Abstraction has 444 states and 705 transitions. [2022-11-02 20:30:40,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 31 states have (on average 2.903225806451613) internal successors, (90), 33 states have internal predecessors, (90), 22 states have call successors, (28), 1 states have call predecessors, (28), 13 states have return successors, (36), 23 states have call predecessors, (36), 22 states have call successors, (36) [2022-11-02 20:30:40,770 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 705 transitions. [2022-11-02 20:30:40,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1428 [2022-11-02 20:30:40,880 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:40,880 INFO L195 NwaCegarLoop]: trace histogram [105, 105, 104, 104, 85, 84, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 33, 32, 20, 20, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:30:40,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:41,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-02 20:30:41,095 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:41,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:41,095 INFO L85 PathProgramCache]: Analyzing trace with hash 990470558, now seen corresponding path program 6 times [2022-11-02 20:30:41,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:41,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709561193] [2022-11-02 20:30:41,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:41,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:41,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:44,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:30:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:48,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:49,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:49,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:50,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:50,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:30:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:30:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:50,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:50,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 20:30:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:50,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:50,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:50,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:30:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-02 20:30:50,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:50,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:50,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:50,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:30:50,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:30:50,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:50,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-02 20:30:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:51,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:30:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:30:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:51,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 20:30:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:30:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-02 20:30:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:52,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:30:52,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:30:52,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 20:30:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:52,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:30:52,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:52,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:30:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-11-02 20:30:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:52,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:52,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:30:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:52,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:30:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:52,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 20:30:52,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:52,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:30:52,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:52,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2022-11-02 20:30:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:30:52,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:30:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:52,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 20:30:52,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:52,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:30:52,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-02 20:30:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:30:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:30:52,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:52,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-02 20:30:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:53,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:53,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:53,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:53,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:30:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:53,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:30:53,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:53,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 20:30:53,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:53,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:53,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:53,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:53,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:30:53,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-11-02 20:30:53,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:53,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:53,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:30:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:53,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:30:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:30:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:30:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:53,246 INFO L134 CoverageAnalysis]: Checked inductivity of 60928 backedges. 1495 proven. 6379 refuted. 0 times theorem prover too weak. 53054 trivial. 0 not checked. [2022-11-02 20:30:53,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:30:53,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709561193] [2022-11-02 20:30:53,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709561193] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:30:53,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173726525] [2022-11-02 20:30:53,247 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-02 20:30:53,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:30:53,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:53,249 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:30:53,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-02 20:30:53,760 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2022-11-02 20:30:53,761 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:30:53,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-02 20:30:53,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:30:54,175 INFO L134 CoverageAnalysis]: Checked inductivity of 60928 backedges. 873 proven. 3590 refuted. 0 times theorem prover too weak. 56465 trivial. 0 not checked. [2022-11-02 20:30:54,175 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:31:02,002 INFO L134 CoverageAnalysis]: Checked inductivity of 60928 backedges. 877 proven. 3619 refuted. 0 times theorem prover too weak. 56432 trivial. 0 not checked. [2022-11-02 20:31:02,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173726525] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:31:02,003 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:31:02,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 13, 19] total 48 [2022-11-02 20:31:02,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621450459] [2022-11-02 20:31:02,005 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:31:02,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-11-02 20:31:02,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:31:02,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-11-02 20:31:02,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=1950, Unknown=0, NotChecked=0, Total=2256 [2022-11-02 20:31:02,010 INFO L87 Difference]: Start difference. First operand 444 states and 705 transitions. Second operand has 48 states, 46 states have (on average 2.739130434782609) internal successors, (126), 48 states have internal predecessors, (126), 33 states have call successors, (40), 1 states have call predecessors, (40), 22 states have return successors, (57), 35 states have call predecessors, (57), 33 states have call successors, (57) [2022-11-02 20:31:04,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:31:04,769 INFO L93 Difference]: Finished difference Result 974 states and 1721 transitions. [2022-11-02 20:31:04,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-11-02 20:31:04,770 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 46 states have (on average 2.739130434782609) internal successors, (126), 48 states have internal predecessors, (126), 33 states have call successors, (40), 1 states have call predecessors, (40), 22 states have return successors, (57), 35 states have call predecessors, (57), 33 states have call successors, (57) Word has length 1427 [2022-11-02 20:31:04,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:31:04,781 INFO L225 Difference]: With dead ends: 974 [2022-11-02 20:31:04,781 INFO L226 Difference]: Without dead ends: 494 [2022-11-02 20:31:04,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3336 GetRequests, 3246 SyntacticMatches, 8 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2601 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=942, Invalid=6030, Unknown=0, NotChecked=0, Total=6972 [2022-11-02 20:31:04,789 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 384 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 1970 mSolverCounterSat, 640 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 2610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 640 IncrementalHoareTripleChecker+Valid, 1970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-02 20:31:04,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 468 Invalid, 2610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [640 Valid, 1970 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-02 20:31:04,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2022-11-02 20:31:04,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 420. [2022-11-02 20:31:04,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 295 states have (on average 1.0949152542372882) internal successors, (323), 286 states have internal predecessors, (323), 89 states have call successors, (89), 65 states have call predecessors, (89), 35 states have return successors, (219), 68 states have call predecessors, (219), 89 states have call successors, (219) [2022-11-02 20:31:04,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 631 transitions. [2022-11-02 20:31:04,835 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 631 transitions. Word has length 1427 [2022-11-02 20:31:04,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:31:04,836 INFO L495 AbstractCegarLoop]: Abstraction has 420 states and 631 transitions. [2022-11-02 20:31:04,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 46 states have (on average 2.739130434782609) internal successors, (126), 48 states have internal predecessors, (126), 33 states have call successors, (40), 1 states have call predecessors, (40), 22 states have return successors, (57), 35 states have call predecessors, (57), 33 states have call successors, (57) [2022-11-02 20:31:04,837 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 631 transitions. [2022-11-02 20:31:04,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1033 [2022-11-02 20:31:04,851 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:31:04,852 INFO L195 NwaCegarLoop]: trace histogram [76, 76, 75, 75, 61, 61, 38, 38, 38, 38, 38, 38, 38, 37, 37, 37, 37, 37, 37, 37, 24, 23, 15, 14, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:31:04,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-02 20:31:05,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:31:05,075 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:31:05,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:31:05,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1241761113, now seen corresponding path program 7 times [2022-11-02 20:31:05,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:31:05,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534135047] [2022-11-02 20:31:05,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:31:05,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:31:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:07,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:31:07,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:08,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:08,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:09,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:09,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:09,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:10,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:31:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:10,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:31:10,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:10,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:10,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 20:31:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:31:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-02 20:31:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:10,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:31:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:31:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:10,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-02 20:31:10,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:31:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:31:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 20:31:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:31:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-11-02 20:31:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:31:10,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:10,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:31:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:10,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 20:31:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:10,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:10,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:31:10,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:10,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:11,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-02 20:31:11,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:11,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:31:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:11,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:31:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-11-02 20:31:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:11,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:11,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:31:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:31:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:11,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 20:31:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:11,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:31:11,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-02 20:31:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:31:11,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:11,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:11,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:31:11,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:11,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:11,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:11,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:11,885 INFO L134 CoverageAnalysis]: Checked inductivity of 31636 backedges. 2682 proven. 2990 refuted. 0 times theorem prover too weak. 25964 trivial. 0 not checked. [2022-11-02 20:31:11,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:31:11,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534135047] [2022-11-02 20:31:11,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534135047] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:31:11,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2036436394] [2022-11-02 20:31:11,886 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-02 20:31:11,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:31:11,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:31:11,891 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:31:11,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-02 20:31:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:12,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 2315 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-02 20:31:12,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:31:12,807 INFO L134 CoverageAnalysis]: Checked inductivity of 31636 backedges. 547 proven. 3404 refuted. 0 times theorem prover too weak. 27685 trivial. 0 not checked. [2022-11-02 20:31:12,808 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:31:20,612 INFO L134 CoverageAnalysis]: Checked inductivity of 31636 backedges. 547 proven. 3460 refuted. 0 times theorem prover too weak. 27629 trivial. 0 not checked. [2022-11-02 20:31:20,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2036436394] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:31:20,613 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:31:20,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 15, 23] total 49 [2022-11-02 20:31:20,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466230989] [2022-11-02 20:31:20,615 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:31:20,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-11-02 20:31:20,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:31:20,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-11-02 20:31:20,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=2027, Unknown=0, NotChecked=0, Total=2352 [2022-11-02 20:31:20,620 INFO L87 Difference]: Start difference. First operand 420 states and 631 transitions. Second operand has 49 states, 47 states have (on average 2.702127659574468) internal successors, (127), 49 states have internal predecessors, (127), 38 states have call successors, (44), 1 states have call predecessors, (44), 19 states have return successors, (62), 32 states have call predecessors, (62), 38 states have call successors, (62) [2022-11-02 20:31:23,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:31:23,525 INFO L93 Difference]: Finished difference Result 961 states and 1660 transitions. [2022-11-02 20:31:23,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-11-02 20:31:23,526 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 47 states have (on average 2.702127659574468) internal successors, (127), 49 states have internal predecessors, (127), 38 states have call successors, (44), 1 states have call predecessors, (44), 19 states have return successors, (62), 32 states have call predecessors, (62), 38 states have call successors, (62) Word has length 1032 [2022-11-02 20:31:23,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:31:23,537 INFO L225 Difference]: With dead ends: 961 [2022-11-02 20:31:23,538 INFO L226 Difference]: Without dead ends: 542 [2022-11-02 20:31:23,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2427 GetRequests, 2338 SyntacticMatches, 10 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2489 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=854, Invalid=5626, Unknown=0, NotChecked=0, Total=6480 [2022-11-02 20:31:23,545 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 277 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 2129 mSolverCounterSat, 553 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 2682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 553 IncrementalHoareTripleChecker+Valid, 2129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:31:23,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 589 Invalid, 2682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [553 Valid, 2129 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-02 20:31:23,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2022-11-02 20:31:23,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 458. [2022-11-02 20:31:23,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 321 states have (on average 1.0809968847352025) internal successors, (347), 312 states have internal predecessors, (347), 98 states have call successors, (98), 70 states have call predecessors, (98), 38 states have return successors, (190), 75 states have call predecessors, (190), 98 states have call successors, (190) [2022-11-02 20:31:23,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 635 transitions. [2022-11-02 20:31:23,600 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 635 transitions. Word has length 1032 [2022-11-02 20:31:23,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:31:23,601 INFO L495 AbstractCegarLoop]: Abstraction has 458 states and 635 transitions. [2022-11-02 20:31:23,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 47 states have (on average 2.702127659574468) internal successors, (127), 49 states have internal predecessors, (127), 38 states have call successors, (44), 1 states have call predecessors, (44), 19 states have return successors, (62), 32 states have call predecessors, (62), 38 states have call successors, (62) [2022-11-02 20:31:23,602 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 635 transitions. [2022-11-02 20:31:23,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1850 [2022-11-02 20:31:23,641 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:31:23,642 INFO L195 NwaCegarLoop]: trace histogram [137, 137, 134, 134, 110, 109, 68, 68, 68, 68, 68, 68, 68, 67, 67, 67, 67, 67, 67, 67, 43, 41, 27, 25, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:31:23,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-02 20:31:23,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-02 20:31:23,871 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:31:23,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:31:23,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1302999895, now seen corresponding path program 8 times [2022-11-02 20:31:23,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:31:23,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472484351] [2022-11-02 20:31:23,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:31:23,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:31:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:28,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:31:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:32,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:32,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:33,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:34,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:35,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:35,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:35,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:35,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:35,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:31:35,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:35,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:31:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:35,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:35,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 20:31:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:31:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-02 20:31:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:35,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:35,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:31:35,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:35,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:31:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-02 20:31:35,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:35,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:35,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:31:35,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:35,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:31:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:35,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:35,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 20:31:35,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:35,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:31:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:35,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:35,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:35,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-11-02 20:31:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:36,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:31:36,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:36,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:31:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:36,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 20:31:36,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:36,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:36,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:31:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-02 20:31:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:31:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:31:36,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:36,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-02 20:31:36,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:36,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:36,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:31:36,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:31:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:36,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 20:31:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:31:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:36,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 922 [2022-11-02 20:31:36,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:31:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:31:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 20:31:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:36,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:31:36,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-02 20:31:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:36,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:31:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:31:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:36,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-02 20:31:36,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:31:36,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:36,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:31:36,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 20:31:36,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:31:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:36,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1385 [2022-11-02 20:31:36,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:37,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:37,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:31:37,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:37,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:31:37,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:37,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 20:31:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:37,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:31:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-02 20:31:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:37,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:37,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:37,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:31:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:31:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:37,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-02 20:31:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:37,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:37,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:31:37,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:31:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:37,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 20:31:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:37,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:37,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:37,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:31:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:31:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:31:37,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:37,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:38,006 INFO L134 CoverageAnalysis]: Checked inductivity of 102745 backedges. 5673 proven. 6376 refuted. 0 times theorem prover too weak. 90696 trivial. 0 not checked. [2022-11-02 20:31:38,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:31:38,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472484351] [2022-11-02 20:31:38,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472484351] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:31:38,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672532221] [2022-11-02 20:31:38,007 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 20:31:38,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:31:38,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:31:38,011 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:31:38,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-02 20:31:38,938 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-02 20:31:38,938 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:31:38,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 4129 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-02 20:31:38,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:31:39,311 INFO L134 CoverageAnalysis]: Checked inductivity of 102745 backedges. 1076 proven. 6971 refuted. 0 times theorem prover too weak. 94698 trivial. 0 not checked. [2022-11-02 20:31:39,312 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:31:50,596 INFO L134 CoverageAnalysis]: Checked inductivity of 102745 backedges. 1076 proven. 7041 refuted. 0 times theorem prover too weak. 94628 trivial. 0 not checked. [2022-11-02 20:31:50,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672532221] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:31:50,597 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:31:50,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 16, 25] total 54 [2022-11-02 20:31:50,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358687441] [2022-11-02 20:31:50,599 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:31:50,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2022-11-02 20:31:50,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:31:50,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2022-11-02 20:31:50,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=388, Invalid=2474, Unknown=0, NotChecked=0, Total=2862 [2022-11-02 20:31:50,604 INFO L87 Difference]: Start difference. First operand 458 states and 635 transitions. Second operand has 54 states, 52 states have (on average 2.6346153846153846) internal successors, (137), 54 states have internal predecessors, (137), 42 states have call successors, (48), 1 states have call predecessors, (48), 21 states have return successors, (69), 36 states have call predecessors, (69), 42 states have call successors, (69) [2022-11-02 20:31:53,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:31:53,360 INFO L93 Difference]: Finished difference Result 797 states and 1237 transitions. [2022-11-02 20:31:53,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-11-02 20:31:53,361 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 52 states have (on average 2.6346153846153846) internal successors, (137), 54 states have internal predecessors, (137), 42 states have call successors, (48), 1 states have call predecessors, (48), 21 states have return successors, (69), 36 states have call predecessors, (69), 42 states have call successors, (69) Word has length 1849 [2022-11-02 20:31:53,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:31:53,367 INFO L225 Difference]: With dead ends: 797 [2022-11-02 20:31:53,368 INFO L226 Difference]: Without dead ends: 340 [2022-11-02 20:31:53,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4310 GetRequests, 4210 SyntacticMatches, 11 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3239 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1053, Invalid=7137, Unknown=0, NotChecked=0, Total=8190 [2022-11-02 20:31:53,375 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 292 mSDsluCounter, 649 mSDsCounter, 0 mSdLazyCounter, 2495 mSolverCounterSat, 556 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 3051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 556 IncrementalHoareTripleChecker+Valid, 2495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-02 20:31:53,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 712 Invalid, 3051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [556 Valid, 2495 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-02 20:31:53,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2022-11-02 20:31:53,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 288. [2022-11-02 20:31:53,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 204 states have (on average 1.0588235294117647) internal successors, (216), 197 states have internal predecessors, (216), 59 states have call successors, (59), 46 states have call predecessors, (59), 24 states have return successors, (119), 44 states have call predecessors, (119), 59 states have call successors, (119) [2022-11-02 20:31:53,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 394 transitions. [2022-11-02 20:31:53,406 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 394 transitions. Word has length 1849 [2022-11-02 20:31:53,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:31:53,407 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 394 transitions. [2022-11-02 20:31:53,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 52 states have (on average 2.6346153846153846) internal successors, (137), 54 states have internal predecessors, (137), 42 states have call successors, (48), 1 states have call predecessors, (48), 21 states have return successors, (69), 36 states have call predecessors, (69), 42 states have call successors, (69) [2022-11-02 20:31:53,408 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 394 transitions. [2022-11-02 20:31:53,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7093 [2022-11-02 20:31:53,748 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:31:53,749 INFO L195 NwaCegarLoop]: trace histogram [522, 522, 519, 519, 421, 421, 261, 261, 261, 261, 261, 261, 261, 259, 259, 259, 259, 259, 259, 259, 162, 160, 101, 98, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:31:53,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-02 20:31:53,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98cea5f-b012-421a-9377-37edff2a1a8c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-02 20:31:53,950 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:31:53,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:31:53,951 INFO L85 PathProgramCache]: Analyzing trace with hash 304115888, now seen corresponding path program 9 times [2022-11-02 20:31:53,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:31:53,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339447108] [2022-11-02 20:31:53,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:31:53,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:31:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:32:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat