./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 8393723b 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_f808fee6-2bbc-467e-9de2-4ba6e6da7808/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f808fee6-2bbc-467e-9de2-4ba6e6da7808/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f808fee6-2bbc-467e-9de2-4ba6e6da7808/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f808fee6-2bbc-467e-9de2-4ba6e6da7808/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/xcsp/Dubois-018.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f808fee6-2bbc-467e-9de2-4ba6e6da7808/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f808fee6-2bbc-467e-9de2-4ba6e6da7808/bin/uautomizer-TMbwUNV5ro --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-8393723 [2022-11-18 18:42:53,767 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:42:53,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:42:53,801 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:42:53,802 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:42:53,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:42:53,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:42:53,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:42:53,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:42:53,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:42:53,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:42:53,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:42:53,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:42:53,828 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:42:53,829 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:42:53,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:42:53,833 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:42:53,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:42:53,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:42:53,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:42:53,845 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:42:53,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:42:53,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:42:53,851 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:42:53,859 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:42:53,860 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:42:53,860 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:42:53,862 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:42:53,863 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:42:53,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:42:53,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:42:53,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:42:53,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:42:53,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:42:53,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:42:53,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:42:53,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:42:53,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:42:53,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:42:53,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:42:53,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:42:53,875 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f808fee6-2bbc-467e-9de2-4ba6e6da7808/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-18 18:42:53,910 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:42:53,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:42:53,915 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:42:53,915 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:42:53,916 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:42:53,916 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:42:53,917 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:42:53,917 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:42:53,917 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:42:53,917 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:42:53,918 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 18:42:53,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:42:53,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 18:42:53,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:42:53,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:42:53,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:42:53,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:42:53,920 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 18:42:53,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:42:53,920 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:42:53,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:42:53,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:42:53,921 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:42:53,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:42:53,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:42:53,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:42:53,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:42:53,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:42:53,922 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:42:53,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 18:42:53,923 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:42:53,923 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:42:53,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:42:53,924 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_f808fee6-2bbc-467e-9de2-4ba6e6da7808/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f808fee6-2bbc-467e-9de2-4ba6e6da7808/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eaeb668526dd99d52a76e364cd090d11972ce6d53b14aa44ca6d3800bf0c3f1 [2022-11-18 18:42:54,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:42:54,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:42:54,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:42:54,268 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:42:54,268 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:42:54,270 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f808fee6-2bbc-467e-9de2-4ba6e6da7808/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/xcsp/Dubois-018.c [2022-11-18 18:42:54,351 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f808fee6-2bbc-467e-9de2-4ba6e6da7808/bin/uautomizer-TMbwUNV5ro/data/4a952c586/72e75cda9b1b473a951a188e668ebd97/FLAG309f1989b [2022-11-18 18:42:54,860 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:42:54,861 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f808fee6-2bbc-467e-9de2-4ba6e6da7808/sv-benchmarks/c/xcsp/Dubois-018.c [2022-11-18 18:42:54,869 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f808fee6-2bbc-467e-9de2-4ba6e6da7808/bin/uautomizer-TMbwUNV5ro/data/4a952c586/72e75cda9b1b473a951a188e668ebd97/FLAG309f1989b [2022-11-18 18:42:55,211 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f808fee6-2bbc-467e-9de2-4ba6e6da7808/bin/uautomizer-TMbwUNV5ro/data/4a952c586/72e75cda9b1b473a951a188e668ebd97 [2022-11-18 18:42:55,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:42:55,218 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:42:55,222 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:42:55,223 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:42:55,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:42:55,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:42:55" (1/1) ... [2022-11-18 18:42:55,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba56cf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:55, skipping insertion in model container [2022-11-18 18:42:55,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:42:55" (1/1) ... [2022-11-18 18:42:55,237 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:42:55,295 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:42:55,600 WARN L234 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_f808fee6-2bbc-467e-9de2-4ba6e6da7808/sv-benchmarks/c/xcsp/Dubois-018.c[13032,13045] [2022-11-18 18:42:55,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:42:55,678 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:42:55,749 WARN L234 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_f808fee6-2bbc-467e-9de2-4ba6e6da7808/sv-benchmarks/c/xcsp/Dubois-018.c[13032,13045] [2022-11-18 18:42:55,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:42:55,837 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:42:55,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:55 WrapperNode [2022-11-18 18:42:55,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:42:55,839 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:42:55,839 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:42:55,839 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:42:55,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:55" (1/1) ... [2022-11-18 18:42:55,864 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:55" (1/1) ... [2022-11-18 18:42:59,368 INFO L138 Inliner]: procedures = 13, calls = 151, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 377 [2022-11-18 18:42:59,369 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:42:59,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:42:59,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:42:59,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:42:59,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:55" (1/1) ... [2022-11-18 18:42:59,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:55" (1/1) ... [2022-11-18 18:43:00,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:55" (1/1) ... [2022-11-18 18:43:00,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:55" (1/1) ... [2022-11-18 18:43:02,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:55" (1/1) ... [2022-11-18 18:43:02,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:55" (1/1) ... [2022-11-18 18:43:02,905 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:55" (1/1) ... [2022-11-18 18:43:02,957 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:55" (1/1) ... [2022-11-18 18:43:03,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:43:03,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:43:03,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:43:03,666 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:43:03,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:55" (1/1) ... [2022-11-18 18:43:03,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:43:03,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f808fee6-2bbc-467e-9de2-4ba6e6da7808/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:43:03,698 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f808fee6-2bbc-467e-9de2-4ba6e6da7808/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:43:03,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f808fee6-2bbc-467e-9de2-4ba6e6da7808/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:43:03,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:43:03,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:43:03,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:43:03,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 18:43:03,739 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2022-11-18 18:43:03,739 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2022-11-18 18:43:03,832 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:43:03,834 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:43:09,342 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:43:09,360 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:43:09,360 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 18:43:09,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:43:09 BoogieIcfgContainer [2022-11-18 18:43:09,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:43:09,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:43:09,367 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:43:09,370 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:43:09,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:42:55" (1/3) ... [2022-11-18 18:43:09,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e177896 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:43:09, skipping insertion in model container [2022-11-18 18:43:09,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:55" (2/3) ... [2022-11-18 18:43:09,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e177896 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:43:09, skipping insertion in model container [2022-11-18 18:43:09,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:43:09" (3/3) ... [2022-11-18 18:43:09,380 INFO L112 eAbstractionObserver]: Analyzing ICFG Dubois-018.c [2022-11-18 18:43:09,401 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:43:09,401 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 18:43:09,470 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:43:09,476 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;@2a9ea20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:43:09,476 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 18:43:09,481 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) [2022-11-18 18:43:09,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 778 [2022-11-18 18:43:09,527 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:43:09,528 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] [2022-11-18 18:43:09,529 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:43:09,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:09,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1433432883, now seen corresponding path program 1 times [2022-11-18 18:43:09,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:09,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019411155] [2022-11-18 18:43:09,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:09,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:43:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 18:43:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 18:43:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 18:43:11,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-18 18:43:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 18:43:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 18:43:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 18:43:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 18:43:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 18:43:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 18:43:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 18:43:11,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-18 18:43:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 18:43:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 18:43:11,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-18 18:43:11,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 18:43:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 18:43:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-18 18:43:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-18 18:43:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-18 18:43:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 18:43:11,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 18:43:11,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-18 18:43:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-18 18:43:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-18 18:43:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-18 18:43:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-18 18:43:11,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 18:43:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-18 18:43:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-18 18:43:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-18 18:43:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-18 18:43:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-18 18:43:11,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-18 18:43:11,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-18 18:43:11,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-18 18:43:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-18 18:43:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-18 18:43:11,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-11-18 18:43:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-11-18 18:43:11,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-11-18 18:43:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-18 18:43:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-11-18 18:43:11,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-18 18:43:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-18 18:43:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-11-18 18:43:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-11-18 18:43:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-11-18 18:43:12,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-11-18 18:43:12,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-18 18:43:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-18 18:43:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-11-18 18:43:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-11-18 18:43:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-11-18 18:43:12,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-11-18 18:43:12,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-11-18 18:43:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-11-18 18:43:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-11-18 18:43:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-11-18 18:43:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-11-18 18:43:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-11-18 18:43:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-11-18 18:43:12,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-11-18 18:43:12,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-11-18 18:43:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-18 18:43:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-11-18 18:43:12,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-11-18 18:43:12,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-11-18 18:43:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-11-18 18:43:12,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-11-18 18:43:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-11-18 18:43:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-11-18 18:43:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-11-18 18:43:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-11-18 18:43:12,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-11-18 18:43:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-11-18 18:43:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-11-18 18:43:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-11-18 18:43:12,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-11-18 18:43:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-11-18 18:43:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-11-18 18:43:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-11-18 18:43:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-11-18 18:43:12,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-11-18 18:43:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-11-18 18:43:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-11-18 18:43:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-11-18 18:43:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-11-18 18:43:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-11-18 18:43:12,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-11-18 18:43:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-11-18 18:43:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-11-18 18:43:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-11-18 18:43:12,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2022-11-18 18:43:12,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-11-18 18:43:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2022-11-18 18:43:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2022-11-18 18:43:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2022-11-18 18:43:12,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2022-11-18 18:43:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2022-11-18 18:43:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-11-18 18:43:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2022-11-18 18:43:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2022-11-18 18:43:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-11-18 18:43:12,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2022-11-18 18:43:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2022-11-18 18:43:12,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2022-11-18 18:43:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2022-11-18 18:43:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-11-18 18:43:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2022-11-18 18:43:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2022-11-18 18:43:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 616 [2022-11-18 18:43:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 621 [2022-11-18 18:43:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 626 [2022-11-18 18:43:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 631 [2022-11-18 18:43:12,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2022-11-18 18:43:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2022-11-18 18:43:12,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-11-18 18:43:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 651 [2022-11-18 18:43:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 656 [2022-11-18 18:43:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 661 [2022-11-18 18:43:12,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 666 [2022-11-18 18:43:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2022-11-18 18:43:12,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2022-11-18 18:43:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:13,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 681 [2022-11-18 18:43:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:13,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 686 [2022-11-18 18:43:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:13,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-11-18 18:43:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:13,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 696 [2022-11-18 18:43:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:13,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2022-11-18 18:43:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:13,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 706 [2022-11-18 18:43:13,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:13,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 711 [2022-11-18 18:43:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:13,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 716 [2022-11-18 18:43:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:13,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 721 [2022-11-18 18:43:13,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:13,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 726 [2022-11-18 18:43:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:13,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2022-11-18 18:43:13,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:13,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-11-18 18:43:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:13,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 741 [2022-11-18 18:43:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:13,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 746 [2022-11-18 18:43:13,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:13,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 751 [2022-11-18 18:43:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:13,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 756 [2022-11-18 18:43:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:13,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2022-11-18 18:43:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:13,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 766 [2022-11-18 18:43:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:13,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 771 [2022-11-18 18:43:13,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:13,886 INFO L134 CoverageAnalysis]: Checked inductivity of 41184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41184 trivial. 0 not checked. [2022-11-18 18:43:13,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:13,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019411155] [2022-11-18 18:43:13,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019411155] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:13,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:13,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:43:13,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434875570] [2022-11-18 18:43:13,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:13,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 18:43:13,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:13,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 18:43:13,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 18:43:13,956 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) [2022-11-18 18:43:14,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:43:14,070 INFO L93 Difference]: Finished difference Result 412 states and 842 transitions. [2022-11-18 18:43:14,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 18:43:14,073 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 [2022-11-18 18:43:14,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:43:14,088 INFO L225 Difference]: With dead ends: 412 [2022-11-18 18:43:14,088 INFO L226 Difference]: Without dead ends: 206 [2022-11-18 18:43:14,103 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 [2022-11-18 18:43:14,107 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 [2022-11-18 18:43:14,116 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] [2022-11-18 18:43:14,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2022-11-18 18:43:14,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2022-11-18 18:43:14,252 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) [2022-11-18 18:43:14,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 348 transitions. [2022-11-18 18:43:14,261 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 348 transitions. Word has length 777 [2022-11-18 18:43:14,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:43:14,263 INFO L495 AbstractCegarLoop]: Abstraction has 206 states and 348 transitions. [2022-11-18 18:43:14,264 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) [2022-11-18 18:43:14,265 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 348 transitions. [2022-11-18 18:43:14,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 778 [2022-11-18 18:43:14,301 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:43:14,302 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] [2022-11-18 18:43:14,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 18:43:14,303 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:43:14,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:14,304 INFO L85 PathProgramCache]: Analyzing trace with hash -299827635, now seen corresponding path program 1 times [2022-11-18 18:43:14,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:14,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837652151] [2022-11-18 18:43:14,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:14,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat