./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/Dubois-017.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_c22eca94-3c96-4045-b87a-a812ada9bd38/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22eca94-3c96-4045-b87a-a812ada9bd38/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_c22eca94-3c96-4045-b87a-a812ada9bd38/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22eca94-3c96-4045-b87a-a812ada9bd38/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/xcsp/Dubois-017.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22eca94-3c96-4045-b87a-a812ada9bd38/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_c22eca94-3c96-4045-b87a-a812ada9bd38/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 0161797d3d47f58b7fc5d66ce82438765cea4779ac8884472a06ee6979f47801 --- 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 16:16:51,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:16:51,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:16:51,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:16:51,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:16:51,953 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:16:51,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:16:51,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:16:51,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:16:51,958 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:16:51,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:16:51,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:16:51,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:16:51,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:16:51,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:16:51,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:16:51,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:16:51,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:16:51,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:16:51,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:16:51,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:16:51,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:16:51,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:16:51,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:16:51,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:16:51,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:16:51,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:16:51,976 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:16:51,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:16:51,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:16:51,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:16:51,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:16:51,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:16:51,980 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:16:51,981 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:16:51,981 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:16:51,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:16:51,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:16:51,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:16:51,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:16:51,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:16:51,984 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22eca94-3c96-4045-b87a-a812ada9bd38/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 16:16:52,003 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:16:52,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:16:52,004 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:16:52,004 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:16:52,005 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:16:52,005 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:16:52,006 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:16:52,010 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:16:52,010 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:16:52,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:16:52,011 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 16:16:52,011 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:16:52,011 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 16:16:52,011 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:16:52,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:16:52,012 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:16:52,012 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:16:52,012 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 16:16:52,012 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:16:52,013 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:16:52,013 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:16:52,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:16:52,013 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:16:52,013 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:16:52,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:16:52,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:16:52,014 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:16:52,014 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:16:52,014 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 16:16:52,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 16:16:52,015 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:16:52,015 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:16:52,015 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:16:52,015 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:16:52,016 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:16:52,016 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_c22eca94-3c96-4045-b87a-a812ada9bd38/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22eca94-3c96-4045-b87a-a812ada9bd38/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0161797d3d47f58b7fc5d66ce82438765cea4779ac8884472a06ee6979f47801 [2022-12-13 16:16:52,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:16:52,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:16:52,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:16:52,246 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:16:52,247 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:16:52,248 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22eca94-3c96-4045-b87a-a812ada9bd38/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/xcsp/Dubois-017.c [2022-12-13 16:16:54,867 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:16:55,013 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:16:55,014 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22eca94-3c96-4045-b87a-a812ada9bd38/sv-benchmarks/c/xcsp/Dubois-017.c [2022-12-13 16:16:55,020 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22eca94-3c96-4045-b87a-a812ada9bd38/bin/uautomizer-uyxdKDjOR8/data/e5ab034dd/93729ada03b843c0ae48cb2e9580ed2a/FLAGfa89bcd06 [2022-12-13 16:16:55,030 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22eca94-3c96-4045-b87a-a812ada9bd38/bin/uautomizer-uyxdKDjOR8/data/e5ab034dd/93729ada03b843c0ae48cb2e9580ed2a [2022-12-13 16:16:55,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:16:55,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:16:55,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:16:55,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:16:55,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:16:55,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:16:55" (1/1) ... [2022-12-13 16:16:55,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e069908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:16:55, skipping insertion in model container [2022-12-13 16:16:55,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:16:55" (1/1) ... [2022-12-13 16:16:55,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:16:55,066 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:16:55,227 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_c22eca94-3c96-4045-b87a-a812ada9bd38/sv-benchmarks/c/xcsp/Dubois-017.c[12348,12361] [2022-12-13 16:16:55,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:16:55,269 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:16:55,316 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_c22eca94-3c96-4045-b87a-a812ada9bd38/sv-benchmarks/c/xcsp/Dubois-017.c[12348,12361] [2022-12-13 16:16:55,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:16:55,357 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:16:55,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:16:55 WrapperNode [2022-12-13 16:16:55,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:16:55,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:16:55,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:16:55,358 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:16:55,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:16:55" (1/1) ... [2022-12-13 16:16:55,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:16:55" (1/1) ... [2022-12-13 16:16:57,107 INFO L138 Inliner]: procedures = 13, calls = 143, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 357 [2022-12-13 16:16:57,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:16:57,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:16:57,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:16:57,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:16:57,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:16:55" (1/1) ... [2022-12-13 16:16:57,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:16:55" (1/1) ... [2022-12-13 16:16:57,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:16:55" (1/1) ... [2022-12-13 16:16:57,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:16:55" (1/1) ... [2022-12-13 16:16:58,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:16:55" (1/1) ... [2022-12-13 16:16:58,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:16:55" (1/1) ... [2022-12-13 16:16:58,497 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:16:55" (1/1) ... [2022-12-13 16:16:58,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:16:55" (1/1) ... [2022-12-13 16:16:58,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:16:58,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:16:58,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:16:58,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:16:58,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:16:55" (1/1) ... [2022-12-13 16:16:58,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:16:58,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22eca94-3c96-4045-b87a-a812ada9bd38/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:16:58,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22eca94-3c96-4045-b87a-a812ada9bd38/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:16:58,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22eca94-3c96-4045-b87a-a812ada9bd38/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:16:58,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:16:58,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:16:58,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:16:58,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 16:16:58,936 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2022-12-13 16:16:58,936 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2022-12-13 16:16:58,996 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:16:58,997 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:17:02,123 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:17:02,134 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:17:02,134 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 16:17:02,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:17:02 BoogieIcfgContainer [2022-12-13 16:17:02,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:17:02,139 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:17:02,139 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:17:02,141 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:17:02,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:16:55" (1/3) ... [2022-12-13 16:17:02,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@207e4d93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:17:02, skipping insertion in model container [2022-12-13 16:17:02,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:16:55" (2/3) ... [2022-12-13 16:17:02,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@207e4d93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:17:02, skipping insertion in model container [2022-12-13 16:17:02,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:17:02" (3/3) ... [2022-12-13 16:17:02,143 INFO L112 eAbstractionObserver]: Analyzing ICFG Dubois-017.c [2022-12-13 16:17:02,156 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:17:02,156 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 16:17:02,194 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:17:02,198 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;@30b46ae4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:17:02,199 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 16:17:02,202 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 59 states have (on average 1.0338983050847457) internal successors, (61), 60 states have internal predecessors, (61), 136 states have call successors, (136), 1 states have call predecessors, (136), 1 states have return successors, (136), 136 states have call predecessors, (136), 136 states have call successors, (136) [2022-12-13 16:17:02,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2022-12-13 16:17:02,227 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:17:02,228 INFO L195 NwaCegarLoop]: trace histogram [136, 136, 136, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:17:02,229 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:17:02,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:17:02,232 INFO L85 PathProgramCache]: Analyzing trace with hash 614162225, now seen corresponding path program 1 times [2022-12-13 16:17:02,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:17:02,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621934411] [2022-12-13 16:17:02,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:17:02,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:17:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:17:03,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 16:17:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 16:17:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:17:03,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 16:17:03,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 16:17:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 16:17:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 16:17:03,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 16:17:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 16:17:03,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 16:17:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 16:17:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-12-13 16:17:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 16:17:03,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 16:17:03,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-12-13 16:17:03,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 16:17:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 16:17:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 16:17:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-12-13 16:17:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-12-13 16:17:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 16:17:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 16:17:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-12-13 16:17:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 16:17:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 16:17:03,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 16:17:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 16:17:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 16:17:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-12-13 16:17:03,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 16:17:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-12-13 16:17:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-12-13 16:17:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-12-13 16:17:03,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-12-13 16:17:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-12-13 16:17:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 16:17:03,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-12-13 16:17:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 16:17:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 16:17:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 16:17:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 16:17:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 16:17:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-12-13 16:17:03,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 16:17:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 16:17:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 16:17:03,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-12-13 16:17:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-12-13 16:17:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-12-13 16:17:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 16:17:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-12-13 16:17:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-12-13 16:17:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-12-13 16:17:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-12-13 16:17:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-12-13 16:17:03,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-12-13 16:17:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-12-13 16:17:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-12-13 16:17:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-12-13 16:17:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-12-13 16:17:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-12-13 16:17:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-12-13 16:17:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-12-13 16:17:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-12-13 16:17:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-12-13 16:17:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-12-13 16:17:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-12-13 16:17:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-12-13 16:17:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-12-13 16:17:03,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-12-13 16:17:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-12-13 16:17:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-12-13 16:17:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-12-13 16:17:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-12-13 16:17:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-12-13 16:17:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-12-13 16:17:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-12-13 16:17:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-12-13 16:17:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-12-13 16:17:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-12-13 16:17:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-12-13 16:17:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-12-13 16:17:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-12-13 16:17:03,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-12-13 16:17:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-12-13 16:17:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-12-13 16:17:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-12-13 16:17:03,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-12-13 16:17:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-12-13 16:17:03,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-12-13 16:17:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-12-13 16:17:03,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-12-13 16:17:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-12-13 16:17:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2022-12-13 16:17:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-12-13 16:17:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2022-12-13 16:17:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2022-12-13 16:17:03,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2022-12-13 16:17:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2022-12-13 16:17:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2022-12-13 16:17:03,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-12-13 16:17:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2022-12-13 16:17:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2022-12-13 16:17:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2022-12-13 16:17:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2022-12-13 16:17:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-12-13 16:17:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 588 [2022-12-13 16:17:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2022-12-13 16:17:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2022-12-13 16:17:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2022-12-13 16:17:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2022-12-13 16:17:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 613 [2022-12-13 16:17:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 618 [2022-12-13 16:17:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2022-12-13 16:17:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-12-13 16:17:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2022-12-13 16:17:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 638 [2022-12-13 16:17:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:03,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2022-12-13 16:17:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:04,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 648 [2022-12-13 16:17:04,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:04,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2022-12-13 16:17:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:04,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 658 [2022-12-13 16:17:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:04,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 663 [2022-12-13 16:17:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:04,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2022-12-13 16:17:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:04,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-12-13 16:17:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:04,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2022-12-13 16:17:04,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:04,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2022-12-13 16:17:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:04,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 688 [2022-12-13 16:17:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:04,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 693 [2022-12-13 16:17:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:04,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 698 [2022-12-13 16:17:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:04,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 703 [2022-12-13 16:17:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:04,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 708 [2022-12-13 16:17:04,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:04,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2022-12-13 16:17:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:04,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-12-13 16:17:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:04,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 723 [2022-12-13 16:17:04,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:04,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 728 [2022-12-13 16:17:04,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:17:04,395 INFO L134 CoverageAnalysis]: Checked inductivity of 36720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36720 trivial. 0 not checked. [2022-12-13 16:17:04,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:17:04,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621934411] [2022-12-13 16:17:04,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621934411] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:17:04,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:17:04,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:17:04,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925925104] [2022-12-13 16:17:04,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:17:04,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 16:17:04,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:17:04,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 16:17:04,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 16:17:04,436 INFO L87 Difference]: Start difference. First operand has 198 states, 59 states have (on average 1.0338983050847457) internal successors, (61), 60 states have internal predecessors, (61), 136 states have call successors, (136), 1 states have call predecessors, (136), 1 states have return successors, (136), 136 states have call predecessors, (136), 136 states have call successors, (136) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (136), 1 states have call predecessors, (136), 1 states have return successors, (136), 1 states have call predecessors, (136), 2 states have call successors, (136) [2022-12-13 16:17:04,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:17:04,501 INFO L93 Difference]: Finished difference Result 390 states and 796 transitions. [2022-12-13 16:17:04,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 16:17:04,503 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (136), 1 states have call predecessors, (136), 1 states have return successors, (136), 1 states have call predecessors, (136), 2 states have call successors, (136) Word has length 734 [2022-12-13 16:17:04,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:17:04,511 INFO L225 Difference]: With dead ends: 390 [2022-12-13 16:17:04,511 INFO L226 Difference]: Without dead ends: 195 [2022-12-13 16:17:04,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 410 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 16:17:04,521 INFO L413 NwaCegarLoop]: 329 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, 329 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 16:17:04,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:17:04,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-12-13 16:17:04,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2022-12-13 16:17:04,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 57 states have (on average 1.0) internal successors, (57), 57 states have internal predecessors, (57), 136 states have call successors, (136), 1 states have call predecessors, (136), 1 states have return successors, (136), 136 states have call predecessors, (136), 136 states have call successors, (136) [2022-12-13 16:17:04,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 329 transitions. [2022-12-13 16:17:04,601 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 329 transitions. Word has length 734 [2022-12-13 16:17:04,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:17:04,602 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 329 transitions. [2022-12-13 16:17:04,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (136), 1 states have call predecessors, (136), 1 states have return successors, (136), 1 states have call predecessors, (136), 2 states have call successors, (136) [2022-12-13 16:17:04,603 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 329 transitions. [2022-12-13 16:17:04,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2022-12-13 16:17:04,625 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:17:04,625 INFO L195 NwaCegarLoop]: trace histogram [136, 136, 136, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:17:04,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 16:17:04,626 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:17:04,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:17:04,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1555864369, now seen corresponding path program 1 times [2022-12-13 16:17:04,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:17:04,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262088673] [2022-12-13 16:17:04,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:17:04,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:17:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat