./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_d61ad55d-304a-45b7-a8ea-b651242e0e3a/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61ad55d-304a-45b7-a8ea-b651242e0e3a/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61ad55d-304a-45b7-a8ea-b651242e0e3a/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61ad55d-304a-45b7-a8ea-b651242e0e3a/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61ad55d-304a-45b7-a8ea-b651242e0e3a/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61ad55d-304a-45b7-a8ea-b651242e0e3a/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --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 801154599e4f83be702d4edf57ef1684d9181253862a9d822c36129a43e2867e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:50:05,803 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:50:05,872 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61ad55d-304a-45b7-a8ea-b651242e0e3a/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 16:50:05,877 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:50:05,877 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:50:05,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:50:05,915 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:50:05,916 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:50:05,916 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:50:05,917 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:50:05,917 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:50:05,918 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:50:05,918 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:50:05,919 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:50:05,919 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:50:05,919 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:50:05,920 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:50:05,920 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:50:05,921 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:50:05,921 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:50:05,921 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:50:05,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:50:05,925 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:50:05,926 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:50:05,926 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:50:05,926 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:50:05,926 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:50:05,927 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:50:05,927 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:50:05,927 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:50:05,928 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:50:05,928 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:50:05,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:50:05,938 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:50:05,939 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:50:05,939 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:50:05,939 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:50:05,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:50:05,940 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:50:05,940 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:50:05,940 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:50:05,940 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:50:05,941 INFO L153 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_d61ad55d-304a-45b7-a8ea-b651242e0e3a/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61ad55d-304a-45b7-a8ea-b651242e0e3a/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 801154599e4f83be702d4edf57ef1684d9181253862a9d822c36129a43e2867e [2024-11-08 16:50:06,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:50:06,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:50:06,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:50:06,258 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:50:06,258 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:50:06,259 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61ad55d-304a-45b7-a8ea-b651242e0e3a/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-6.i Unable to find full path for "g++" [2024-11-08 16:50:08,292 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:50:08,482 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:50:08,483 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61ad55d-304a-45b7-a8ea-b651242e0e3a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-6.i [2024-11-08 16:50:08,499 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61ad55d-304a-45b7-a8ea-b651242e0e3a/bin/uautomizer-verify-jihMAELWvX/data/3fffe201c/651bdcd00a5a4ef0b43e93a5c6a39783/FLAGbd69391e3 [2024-11-08 16:50:08,851 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61ad55d-304a-45b7-a8ea-b651242e0e3a/bin/uautomizer-verify-jihMAELWvX/data/3fffe201c/651bdcd00a5a4ef0b43e93a5c6a39783 [2024-11-08 16:50:08,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:50:08,855 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:50:08,856 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:50:08,857 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:50:08,863 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:50:08,864 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:50:08" (1/1) ... [2024-11-08 16:50:08,867 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65109af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:50:08, skipping insertion in model container [2024-11-08 16:50:08,868 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:50:08" (1/1) ... [2024-11-08 16:50:08,913 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:50:09,112 WARN L250 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_d61ad55d-304a-45b7-a8ea-b651242e0e3a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-6.i[915,928] [2024-11-08 16:50:09,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:50:09,182 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:50:09,194 WARN L250 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_d61ad55d-304a-45b7-a8ea-b651242e0e3a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-6.i[915,928] [2024-11-08 16:50:09,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:50:09,255 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:50:09,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:50:09 WrapperNode [2024-11-08 16:50:09,255 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:50:09,256 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:50:09,256 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:50:09,256 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:50:09,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:50:09" (1/1) ... [2024-11-08 16:50:09,277 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:50:09" (1/1) ... [2024-11-08 16:50:09,324 INFO L138 Inliner]: procedures = 29, calls = 181, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 554 [2024-11-08 16:50:09,325 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:50:09,325 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:50:09,326 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:50:09,326 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:50:09,337 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:50:09" (1/1) ... [2024-11-08 16:50:09,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:50:09" (1/1) ... [2024-11-08 16:50:09,346 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:50:09" (1/1) ... [2024-11-08 16:50:09,376 INFO L175 MemorySlicer]: Split 135 memory accesses to 17 slices as follows [2, 5, 9, 13, 8, 6, 8, 8, 8, 8, 14, 4, 6, 6, 14, 8, 8]. 10 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 18 writes are split as follows [0, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. [2024-11-08 16:50:09,377 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:50:09" (1/1) ... [2024-11-08 16:50:09,377 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:50:09" (1/1) ... [2024-11-08 16:50:09,397 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:50:09" (1/1) ... [2024-11-08 16:50:09,402 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:50:09" (1/1) ... [2024-11-08 16:50:09,408 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:50:09" (1/1) ... [2024-11-08 16:50:09,412 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:50:09" (1/1) ... [2024-11-08 16:50:09,419 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:50:09,420 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:50:09,421 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:50:09,421 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:50:09,422 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:50:09" (1/1) ... [2024-11-08 16:50:09,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:50:09,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61ad55d-304a-45b7-a8ea-b651242e0e3a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:50:09,473 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61ad55d-304a-45b7-a8ea-b651242e0e3a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:50:09,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61ad55d-304a-45b7-a8ea-b651242e0e3a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:50:09,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:50:09,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 16:50:09,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 16:50:09,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-08 16:50:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-08 16:50:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-08 16:50:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-08 16:50:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-08 16:50:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-08 16:50:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-08 16:50:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-08 16:50:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-08 16:50:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-08 16:50:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-08 16:50:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-08 16:50:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-08 16:50:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-08 16:50:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-08 16:50:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-08 16:50:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-08 16:50:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-08 16:50:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-08 16:50:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-08 16:50:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-08 16:50:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-08 16:50:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-08 16:50:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-08 16:50:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-11-08 16:50:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-11-08 16:50:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-11-08 16:50:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-11-08 16:50:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-11-08 16:50:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2024-11-08 16:50:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#15 [2024-11-08 16:50:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#16 [2024-11-08 16:50:09,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-08 16:50:09,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-08 16:50:09,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-08 16:50:09,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-08 16:50:09,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-08 16:50:09,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-08 16:50:09,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-08 16:50:09,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-08 16:50:09,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-08 16:50:09,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-11-08 16:50:09,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-11-08 16:50:09,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-11-08 16:50:09,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-11-08 16:50:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-11-08 16:50:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#14 [2024-11-08 16:50:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#15 [2024-11-08 16:50:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#16 [2024-11-08 16:50:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 16:50:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 16:50:09,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-08 16:50:09,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-08 16:50:09,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-08 16:50:09,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-08 16:50:09,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-08 16:50:09,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-08 16:50:09,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-08 16:50:09,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-08 16:50:09,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-08 16:50:09,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-08 16:50:09,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-08 16:50:09,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-08 16:50:09,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-08 16:50:09,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-08 16:50:09,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-08 16:50:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-08 16:50:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-08 16:50:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-08 16:50:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-08 16:50:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-08 16:50:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-08 16:50:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-08 16:50:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-11-08 16:50:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-11-08 16:50:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-11-08 16:50:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-11-08 16:50:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-11-08 16:50:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-11-08 16:50:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#13 [2024-11-08 16:50:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#14 [2024-11-08 16:50:09,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#15 [2024-11-08 16:50:09,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#16 [2024-11-08 16:50:09,534 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 16:50:09,534 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 16:50:09,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 16:50:09,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 16:50:09,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 16:50:09,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 16:50:09,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-08 16:50:09,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-08 16:50:09,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-08 16:50:09,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-08 16:50:09,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-08 16:50:09,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-08 16:50:09,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-08 16:50:09,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-08 16:50:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-08 16:50:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-08 16:50:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-08 16:50:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-08 16:50:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-08 16:50:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:50:09,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:50:09,767 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:50:09,769 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:50:10,445 INFO L? ?]: Removed 131 outVars from TransFormulas that were not future-live. [2024-11-08 16:50:10,445 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:50:10,459 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:50:10,459 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 16:50:10,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:50:10 BoogieIcfgContainer [2024-11-08 16:50:10,460 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:50:10,466 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:50:10,467 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:50:10,470 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:50:10,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:50:08" (1/3) ... [2024-11-08 16:50:10,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10eae34d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:50:10, skipping insertion in model container [2024-11-08 16:50:10,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:50:09" (2/3) ... [2024-11-08 16:50:10,472 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10eae34d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:50:10, skipping insertion in model container [2024-11-08 16:50:10,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:50:10" (3/3) ... [2024-11-08 16:50:10,473 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-6.i [2024-11-08 16:50:10,490 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:50:10,490 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 16:50:10,558 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:50:10,564 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@7c583237, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:50:10,565 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 16:50:10,569 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 100 states have (on average 1.41) internal successors, (141), 101 states have internal predecessors, (141), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-08 16:50:10,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-08 16:50:10,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:50:10,587 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:50:10,588 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:50:10,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:50:10,597 INFO L85 PathProgramCache]: Analyzing trace with hash 2072388248, now seen corresponding path program 1 times [2024-11-08 16:50:10,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:50:10,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000528315] [2024-11-08 16:50:10,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:50:10,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:50:10,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:11,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 16:50:11,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:11,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 16:50:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:11,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:50:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:11,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 16:50:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:11,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 16:50:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:11,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 16:50:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:11,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 16:50:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:11,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 16:50:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:11,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 16:50:11,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:11,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 16:50:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:11,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 16:50:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:11,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 16:50:11,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:11,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 16:50:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:11,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 16:50:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:11,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 16:50:11,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:11,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 16:50:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:11,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 16:50:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:11,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 16:50:11,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:11,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 16:50:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:11,296 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-08 16:50:11,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:50:11,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000528315] [2024-11-08 16:50:11,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000528315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:50:11,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:50:11,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:50:11,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639929773] [2024-11-08 16:50:11,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:50:11,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 16:50:11,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:50:11,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 16:50:11,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:50:11,345 INFO L87 Difference]: Start difference. First operand has 122 states, 100 states have (on average 1.41) internal successors, (141), 101 states have internal predecessors, (141), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 16:50:11,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:50:11,396 INFO L93 Difference]: Finished difference Result 237 states and 371 transitions. [2024-11-08 16:50:11,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 16:50:11,398 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 158 [2024-11-08 16:50:11,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:50:11,409 INFO L225 Difference]: With dead ends: 237 [2024-11-08 16:50:11,410 INFO L226 Difference]: Without dead ends: 118 [2024-11-08 16:50:11,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:50:11,421 INFO L432 NwaCegarLoop]: 172 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, 172 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 [2024-11-08 16:50:11,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:50:11,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-08 16:50:11,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-11-08 16:50:11,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 97 states have (on average 1.3814432989690721) internal successors, (134), 97 states have internal predecessors, (134), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-08 16:50:11,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 172 transitions. [2024-11-08 16:50:11,491 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 172 transitions. Word has length 158 [2024-11-08 16:50:11,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:50:11,492 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 172 transitions. [2024-11-08 16:50:11,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 16:50:11,493 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 172 transitions. [2024-11-08 16:50:11,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-08 16:50:11,498 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:50:11,498 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:50:11,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:50:11,499 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:50:11,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:50:11,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1723196874, now seen corresponding path program 1 times [2024-11-08 16:50:11,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:50:11,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948250336] [2024-11-08 16:50:11,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:50:11,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:50:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:11,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 16:50:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:11,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 16:50:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:11,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:50:11,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:11,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 16:50:11,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:11,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 16:50:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:11,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 16:50:11,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:11,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 16:50:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:11,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 16:50:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:11,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 16:50:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:12,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 16:50:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:12,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 16:50:12,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:12,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 16:50:12,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:12,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 16:50:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:12,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 16:50:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:12,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 16:50:12,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:12,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 16:50:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:12,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 16:50:12,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:12,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 16:50:12,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:12,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 16:50:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:12,068 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-08 16:50:12,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:50:12,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948250336] [2024-11-08 16:50:12,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948250336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:50:12,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:50:12,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:50:12,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388200702] [2024-11-08 16:50:12,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:50:12,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:50:12,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:50:12,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:50:12,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:50:12,076 INFO L87 Difference]: Start difference. First operand 118 states and 172 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-08 16:50:12,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:50:12,126 INFO L93 Difference]: Finished difference Result 233 states and 341 transitions. [2024-11-08 16:50:12,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:50:12,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 158 [2024-11-08 16:50:12,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:50:12,133 INFO L225 Difference]: With dead ends: 233 [2024-11-08 16:50:12,133 INFO L226 Difference]: Without dead ends: 118 [2024-11-08 16:50:12,134 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:50:12,135 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:50:12,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 335 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:50:12,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-08 16:50:12,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-11-08 16:50:12,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 97 states have (on average 1.3711340206185567) internal successors, (133), 97 states have internal predecessors, (133), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-08 16:50:12,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 171 transitions. [2024-11-08 16:50:12,160 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 171 transitions. Word has length 158 [2024-11-08 16:50:12,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:50:12,162 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 171 transitions. [2024-11-08 16:50:12,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-08 16:50:12,162 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 171 transitions. [2024-11-08 16:50:12,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-08 16:50:12,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:50:12,170 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:50:12,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 16:50:12,170 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:50:12,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:50:12,171 INFO L85 PathProgramCache]: Analyzing trace with hash 882826680, now seen corresponding path program 1 times [2024-11-08 16:50:12,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:50:12,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391433739] [2024-11-08 16:50:12,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:50:12,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:50:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:12,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 16:50:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:12,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 16:50:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:12,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:50:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:12,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 16:50:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:12,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 16:50:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:12,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 16:50:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:12,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 16:50:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:12,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 16:50:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:12,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 16:50:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:12,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 16:50:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:12,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 16:50:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:12,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 16:50:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:12,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 16:50:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:12,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 16:50:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:12,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 16:50:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:12,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 16:50:12,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:12,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 16:50:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:12,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 16:50:12,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:12,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 16:50:12,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:12,656 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-08 16:50:12,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:50:12,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391433739] [2024-11-08 16:50:12,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391433739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:50:12,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:50:12,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:50:12,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47595201] [2024-11-08 16:50:12,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:50:12,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:50:12,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:50:12,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:50:12,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:50:12,661 INFO L87 Difference]: Start difference. First operand 118 states and 171 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-08 16:50:12,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:50:12,717 INFO L93 Difference]: Finished difference Result 235 states and 342 transitions. [2024-11-08 16:50:12,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:50:12,718 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 158 [2024-11-08 16:50:12,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:50:12,723 INFO L225 Difference]: With dead ends: 235 [2024-11-08 16:50:12,724 INFO L226 Difference]: Without dead ends: 120 [2024-11-08 16:50:12,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:50:12,725 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 0 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:50:12,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 496 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:50:12,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-08 16:50:12,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-08 16:50:12,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3636363636363635) internal successors, (135), 99 states have internal predecessors, (135), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-08 16:50:12,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 173 transitions. [2024-11-08 16:50:12,745 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 173 transitions. Word has length 158 [2024-11-08 16:50:12,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:50:12,747 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 173 transitions. [2024-11-08 16:50:12,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-08 16:50:12,748 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 173 transitions. [2024-11-08 16:50:12,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-08 16:50:12,754 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:50:12,754 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:50:12,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 16:50:12,755 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:50:12,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:50:12,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1537622346, now seen corresponding path program 1 times [2024-11-08 16:50:12,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:50:12,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563182463] [2024-11-08 16:50:12,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:50:12,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:50:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:13,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 16:50:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:13,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 16:50:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:13,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:50:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:13,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 16:50:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:13,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 16:50:13,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:13,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 16:50:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:13,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 16:50:13,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:13,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 16:50:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:13,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 16:50:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:13,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 16:50:13,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:13,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 16:50:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:13,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 16:50:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:13,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 16:50:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:13,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 16:50:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:13,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 16:50:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:13,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 16:50:13,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:13,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 16:50:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:13,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 16:50:13,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:13,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 16:50:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:13,183 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-08 16:50:13,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:50:13,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563182463] [2024-11-08 16:50:13,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563182463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:50:13,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:50:13,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:50:13,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882325869] [2024-11-08 16:50:13,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:50:13,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:50:13,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:50:13,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:50:13,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:50:13,186 INFO L87 Difference]: Start difference. First operand 120 states and 173 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-08 16:50:13,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:50:13,226 INFO L93 Difference]: Finished difference Result 237 states and 343 transitions. [2024-11-08 16:50:13,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:50:13,227 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 160 [2024-11-08 16:50:13,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:50:13,229 INFO L225 Difference]: With dead ends: 237 [2024-11-08 16:50:13,229 INFO L226 Difference]: Without dead ends: 120 [2024-11-08 16:50:13,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:50:13,231 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 0 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:50:13,231 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 491 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:50:13,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-08 16:50:13,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-08 16:50:13,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3535353535353536) internal successors, (134), 99 states have internal predecessors, (134), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-08 16:50:13,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 172 transitions. [2024-11-08 16:50:13,239 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 172 transitions. Word has length 160 [2024-11-08 16:50:13,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:50:13,240 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 172 transitions. [2024-11-08 16:50:13,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-08 16:50:13,241 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 172 transitions. [2024-11-08 16:50:13,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-08 16:50:13,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:50:13,243 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:50:13,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 16:50:13,243 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:50:13,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:50:13,244 INFO L85 PathProgramCache]: Analyzing trace with hash -50725556, now seen corresponding path program 1 times [2024-11-08 16:50:13,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:50:13,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743850874] [2024-11-08 16:50:13,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:50:13,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:50:13,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:15,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 16:50:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:15,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 16:50:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:15,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:50:15,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:15,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 16:50:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:15,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 16:50:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:15,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 16:50:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:15,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 16:50:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:15,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 16:50:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:15,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 16:50:15,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:15,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 16:50:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:15,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 16:50:15,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:15,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 16:50:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:15,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 16:50:15,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:15,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 16:50:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:15,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 16:50:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:15,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 16:50:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:15,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 16:50:15,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:15,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 16:50:15,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:15,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 16:50:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:15,378 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-08 16:50:15,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:50:15,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743850874] [2024-11-08 16:50:15,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743850874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:50:15,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:50:15,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 16:50:15,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786534777] [2024-11-08 16:50:15,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:50:15,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 16:50:15,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:50:15,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 16:50:15,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-08 16:50:15,384 INFO L87 Difference]: Start difference. First operand 120 states and 172 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-08 16:50:16,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:50:16,161 INFO L93 Difference]: Finished difference Result 384 states and 552 transitions. [2024-11-08 16:50:16,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 16:50:16,162 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 160 [2024-11-08 16:50:16,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:50:16,164 INFO L225 Difference]: With dead ends: 384 [2024-11-08 16:50:16,164 INFO L226 Difference]: Without dead ends: 267 [2024-11-08 16:50:16,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-11-08 16:50:16,166 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 422 mSDsluCounter, 1110 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 1330 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:50:16,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [422 Valid, 1330 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 16:50:16,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2024-11-08 16:50:16,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 216. [2024-11-08 16:50:16,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 183 states have (on average 1.360655737704918) internal successors, (249), 184 states have internal predecessors, (249), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-08 16:50:16,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 309 transitions. [2024-11-08 16:50:16,192 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 309 transitions. Word has length 160 [2024-11-08 16:50:16,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:50:16,192 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 309 transitions. [2024-11-08 16:50:16,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-08 16:50:16,193 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 309 transitions. [2024-11-08 16:50:16,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-08 16:50:16,195 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:50:16,195 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:50:16,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 16:50:16,196 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:50:16,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:50:16,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1176760653, now seen corresponding path program 1 times [2024-11-08 16:50:16,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:50:16,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573794442] [2024-11-08 16:50:16,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:50:16,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:50:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat