./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/Dubois-018.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3ea517-b1a7-4f08-8a78-e1a904dc3ebf/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3ea517-b1a7-4f08-8a78-e1a904dc3ebf/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3ea517-b1a7-4f08-8a78-e1a904dc3ebf/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3ea517-b1a7-4f08-8a78-e1a904dc3ebf/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/xcsp/Dubois-018.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3ea517-b1a7-4f08-8a78-e1a904dc3ebf/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3ea517-b1a7-4f08-8a78-e1a904dc3ebf/bin/uautomizer-uyxdKDjOR8 --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 5eaeb668526dd99d52a76e364cd090d11972ce6d53b14aa44ca6d3800bf0c3f1 --- 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-2329fc7 [2022-12-13 13:03:59,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:03:59,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:03:59,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:03:59,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:03:59,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:03:59,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:03:59,865 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:03:59,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:03:59,867 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:03:59,867 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:03:59,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:03:59,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:03:59,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:03:59,870 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:03:59,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:03:59,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:03:59,871 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:03:59,872 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:03:59,874 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:03:59,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:03:59,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:03:59,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:03:59,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:03:59,884 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:03:59,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:03:59,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:03:59,885 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:03:59,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:03:59,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:03:59,886 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:03:59,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:03:59,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:03:59,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:03:59,889 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:03:59,889 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:03:59,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:03:59,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:03:59,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:03:59,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:03:59,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:03:59,891 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3ea517-b1a7-4f08-8a78-e1a904dc3ebf/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 13:03:59,905 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:03:59,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:03:59,906 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:03:59,906 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:03:59,906 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:03:59,906 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:03:59,907 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:03:59,907 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:03:59,907 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:03:59,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:03:59,907 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 13:03:59,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:03:59,907 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 13:03:59,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:03:59,907 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:03:59,907 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:03:59,908 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:03:59,908 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 13:03:59,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:03:59,908 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:03:59,908 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:03:59,908 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:03:59,908 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:03:59,908 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:03:59,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:03:59,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:03:59,909 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:03:59,909 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:03:59,909 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:03:59,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 13:03:59,909 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:03:59,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:03:59,909 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:03:59,909 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:03:59,909 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:03:59,909 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_3a3ea517-b1a7-4f08-8a78-e1a904dc3ebf/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3ea517-b1a7-4f08-8a78-e1a904dc3ebf/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eaeb668526dd99d52a76e364cd090d11972ce6d53b14aa44ca6d3800bf0c3f1 [2022-12-13 13:04:00,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:04:00,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:04:00,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:04:00,115 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:04:00,115 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:04:00,116 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3ea517-b1a7-4f08-8a78-e1a904dc3ebf/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/xcsp/Dubois-018.c [2022-12-13 13:04:02,682 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:04:02,847 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:04:02,848 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3ea517-b1a7-4f08-8a78-e1a904dc3ebf/sv-benchmarks/c/xcsp/Dubois-018.c [2022-12-13 13:04:02,854 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3ea517-b1a7-4f08-8a78-e1a904dc3ebf/bin/uautomizer-uyxdKDjOR8/data/314b494fe/3d884b44d8664fb6b75efbac4c2b2ae4/FLAGb6e8e37b9 [2022-12-13 13:04:03,260 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3ea517-b1a7-4f08-8a78-e1a904dc3ebf/bin/uautomizer-uyxdKDjOR8/data/314b494fe/3d884b44d8664fb6b75efbac4c2b2ae4 [2022-12-13 13:04:03,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:04:03,263 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:04:03,264 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:04:03,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:04:03,268 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:04:03,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:04:03" (1/1) ... [2022-12-13 13:04:03,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@501ceedf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:04:03, skipping insertion in model container [2022-12-13 13:04:03,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:04:03" (1/1) ... [2022-12-13 13:04:03,275 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:04:03,305 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:04:03,504 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3ea517-b1a7-4f08-8a78-e1a904dc3ebf/sv-benchmarks/c/xcsp/Dubois-018.c[13032,13045] [2022-12-13 13:04:03,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:04:03,542 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:04:03,588 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3ea517-b1a7-4f08-8a78-e1a904dc3ebf/sv-benchmarks/c/xcsp/Dubois-018.c[13032,13045] [2022-12-13 13:04:03,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:04:03,637 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:04:03,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:04:03 WrapperNode [2022-12-13 13:04:03,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:04:03,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:04:03,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:04:03,639 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:04:03,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:04:03" (1/1) ... [2022-12-13 13:04:03,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:04:03" (1/1) ... [2022-12-13 13:04:05,451 INFO L138 Inliner]: procedures = 13, calls = 151, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 377 [2022-12-13 13:04:05,451 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:04:05,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:04:05,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:04:05,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:04:05,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:04:03" (1/1) ... [2022-12-13 13:04:05,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:04:03" (1/1) ... [2022-12-13 13:04:05,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:04:03" (1/1) ... [2022-12-13 13:04:05,921 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:04:03" (1/1) ... [2022-12-13 13:04:06,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:04:03" (1/1) ... [2022-12-13 13:04:06,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:04:03" (1/1) ... [2022-12-13 13:04:07,033 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:04:03" (1/1) ... [2022-12-13 13:04:07,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:04:03" (1/1) ... [2022-12-13 13:04:07,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:04:07,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:04:07,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:04:07,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:04:07,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:04:03" (1/1) ... [2022-12-13 13:04:07,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:04:07,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3ea517-b1a7-4f08-8a78-e1a904dc3ebf/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:04:07,546 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3ea517-b1a7-4f08-8a78-e1a904dc3ebf/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:04:07,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3ea517-b1a7-4f08-8a78-e1a904dc3ebf/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:04:07,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:04:07,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:04:07,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:04:07,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:04:07,575 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2022-12-13 13:04:07,575 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2022-12-13 13:04:07,650 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:04:07,651 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:04:11,031 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:04:11,041 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:04:11,041 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 13:04:11,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:04:11 BoogieIcfgContainer [2022-12-13 13:04:11,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:04:11,046 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:04:11,046 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:04:11,049 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:04:11,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:04:03" (1/3) ... [2022-12-13 13:04:11,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dba6dc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:04:11, skipping insertion in model container [2022-12-13 13:04:11,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:04:03" (2/3) ... [2022-12-13 13:04:11,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dba6dc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:04:11, skipping insertion in model container [2022-12-13 13:04:11,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:04:11" (3/3) ... [2022-12-13 13:04:11,052 INFO L112 eAbstractionObserver]: Analyzing ICFG Dubois-018.c [2022-12-13 13:04:11,067 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:04:11,067 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 13:04:11,108 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:04:11,112 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;@726a0728, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:04:11,113 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 13:04:11,116 INFO L276 IsEmpty]: Start isEmpty. Operand has 209 states, 62 states have (on average 1.032258064516129) internal successors, (64), 63 states have internal predecessors, (64), 144 states have call successors, (144), 1 states have call predecessors, (144), 1 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2022-12-13 13:04:11,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 778 [2022-12-13 13:04:11,148 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:04:11,149 INFO L195 NwaCegarLoop]: trace histogram [144, 144, 144, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:04:11,150 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:04:11,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:04:11,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1433432883, now seen corresponding path program 1 times [2022-12-13 13:04:11,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:04:11,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911525925] [2022-12-13 13:04:11,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:04:11,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:04:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:04:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 13:04:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 13:04:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 13:04:12,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 13:04:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 13:04:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 13:04:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 13:04:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 13:04:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 13:04:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 13:04:12,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 13:04:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-12-13 13:04:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 13:04:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 13:04:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-12-13 13:04:12,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 13:04:12,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 13:04:12,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 13:04:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-12-13 13:04:12,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-12-13 13:04:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 13:04:12,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 13:04:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-12-13 13:04:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 13:04:12,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 13:04:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 13:04:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 13:04:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 13:04:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-12-13 13:04:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 13:04:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-12-13 13:04:12,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-12-13 13:04:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-12-13 13:04:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-12-13 13:04:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-12-13 13:04:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 13:04:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-12-13 13:04:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 13:04:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 13:04:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 13:04:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 13:04:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 13:04:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-12-13 13:04:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 13:04:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 13:04:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 13:04:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-12-13 13:04:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-12-13 13:04:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-12-13 13:04:12,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 13:04:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-12-13 13:04:12,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-12-13 13:04:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-12-13 13:04:12,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-12-13 13:04:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-12-13 13:04:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-12-13 13:04:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-12-13 13:04:12,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-12-13 13:04:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-12-13 13:04:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-12-13 13:04:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-12-13 13:04:12,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-12-13 13:04:12,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-12-13 13:04:12,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-12-13 13:04:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-12-13 13:04:12,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-12-13 13:04:12,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-12-13 13:04:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-12-13 13:04:12,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-12-13 13:04:12,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-12-13 13:04:12,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-12-13 13:04:12,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-12-13 13:04:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-12-13 13:04:12,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-12-13 13:04:12,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-12-13 13:04:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-12-13 13:04:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-12-13 13:04:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-12-13 13:04:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-12-13 13:04:12,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-12-13 13:04:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-12-13 13:04:12,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-12-13 13:04:12,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-12-13 13:04:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-12-13 13:04:12,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-12-13 13:04:12,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-12-13 13:04:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-12-13 13:04:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-12-13 13:04:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-12-13 13:04:12,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-12-13 13:04:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-12-13 13:04:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-12-13 13:04:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-12-13 13:04:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2022-12-13 13:04:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-12-13 13:04:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2022-12-13 13:04:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2022-12-13 13:04:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2022-12-13 13:04:12,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2022-12-13 13:04:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2022-12-13 13:04:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-12-13 13:04:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2022-12-13 13:04:12,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2022-12-13 13:04:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-12-13 13:04:12,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2022-12-13 13:04:12,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2022-12-13 13:04:12,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2022-12-13 13:04:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2022-12-13 13:04:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-12-13 13:04:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:12,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2022-12-13 13:04:12,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:13,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2022-12-13 13:04:13,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:13,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 616 [2022-12-13 13:04:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:13,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 621 [2022-12-13 13:04:13,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:13,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 626 [2022-12-13 13:04:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:13,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 631 [2022-12-13 13:04:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:13,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2022-12-13 13:04:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:13,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2022-12-13 13:04:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:13,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-12-13 13:04:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:13,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 651 [2022-12-13 13:04:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:13,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 656 [2022-12-13 13:04:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:13,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 661 [2022-12-13 13:04:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:13,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 666 [2022-12-13 13:04:13,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:13,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2022-12-13 13:04:13,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:13,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2022-12-13 13:04:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:13,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 681 [2022-12-13 13:04:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:13,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 686 [2022-12-13 13:04:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:13,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-12-13 13:04:13,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:13,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 696 [2022-12-13 13:04:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:13,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2022-12-13 13:04:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:13,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 706 [2022-12-13 13:04:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:13,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 711 [2022-12-13 13:04:13,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:13,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 716 [2022-12-13 13:04:13,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:13,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 721 [2022-12-13 13:04:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:13,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 726 [2022-12-13 13:04:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:13,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2022-12-13 13:04:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:13,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-12-13 13:04:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:13,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 741 [2022-12-13 13:04:13,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:13,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 746 [2022-12-13 13:04:13,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:13,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 751 [2022-12-13 13:04:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:13,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 756 [2022-12-13 13:04:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:13,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2022-12-13 13:04:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:13,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 766 [2022-12-13 13:04:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:13,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 771 [2022-12-13 13:04:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:04:13,667 INFO L134 CoverageAnalysis]: Checked inductivity of 41184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41184 trivial. 0 not checked. [2022-12-13 13:04:13,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:04:13,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911525925] [2022-12-13 13:04:13,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911525925] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:04:13,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:04:13,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:04:13,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44444073] [2022-12-13 13:04:13,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:04:13,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 13:04:13,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:04:13,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 13:04:13,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 13:04:13,700 INFO L87 Difference]: Start difference. First operand has 209 states, 62 states have (on average 1.032258064516129) internal successors, (64), 63 states have internal predecessors, (64), 144 states have call successors, (144), 1 states have call predecessors, (144), 1 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) Second operand has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (144), 1 states have call predecessors, (144), 1 states have return successors, (144), 1 states have call predecessors, (144), 2 states have call successors, (144) [2022-12-13 13:04:13,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:04:13,751 INFO L93 Difference]: Finished difference Result 412 states and 842 transitions. [2022-12-13 13:04:13,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 13:04:13,752 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (144), 1 states have call predecessors, (144), 1 states have return successors, (144), 1 states have call predecessors, (144), 2 states have call successors, (144) Word has length 777 [2022-12-13 13:04:13,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:04:13,759 INFO L225 Difference]: With dead ends: 412 [2022-12-13 13:04:13,759 INFO L226 Difference]: Without dead ends: 206 [2022-12-13 13:04:13,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 434 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 13:04:13,765 INFO L413 NwaCegarLoop]: 348 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:04:13,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:04:13,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2022-12-13 13:04:13,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2022-12-13 13:04:13,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 60 states have (on average 1.0) internal successors, (60), 60 states have internal predecessors, (60), 144 states have call successors, (144), 1 states have call predecessors, (144), 1 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2022-12-13 13:04:13,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 348 transitions. [2022-12-13 13:04:13,827 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 348 transitions. Word has length 777 [2022-12-13 13:04:13,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:04:13,827 INFO L495 AbstractCegarLoop]: Abstraction has 206 states and 348 transitions. [2022-12-13 13:04:13,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (144), 1 states have call predecessors, (144), 1 states have return successors, (144), 1 states have call predecessors, (144), 2 states have call successors, (144) [2022-12-13 13:04:13,827 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 348 transitions. [2022-12-13 13:04:13,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 778 [2022-12-13 13:04:13,841 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:04:13,841 INFO L195 NwaCegarLoop]: trace histogram [144, 144, 144, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:04:13,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 13:04:13,842 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:04:13,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:04:13,842 INFO L85 PathProgramCache]: Analyzing trace with hash -299827635, now seen corresponding path program 1 times [2022-12-13 13:04:13,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:04:13,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072674461] [2022-12-13 13:04:13,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:04:13,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:04:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat