./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya --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 4a058bd9944921e52018f99044f11f694f824f3f09daf510330544b4558ba193 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:23:23,867 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:23:23,931 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 05:23:23,936 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:23:23,937 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:23:23,961 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:23:23,961 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:23:23,962 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:23:23,963 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:23:23,963 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:23:23,964 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:23:23,964 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:23:23,965 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:23:23,965 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:23:23,966 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:23:23,966 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:23:23,967 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:23:23,967 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:23:23,968 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:23:23,968 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:23:23,969 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:23:23,970 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:23:23,970 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:23:23,971 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:23:23,971 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:23:23,972 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:23:23,972 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:23:23,973 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:23:23,973 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:23:23,973 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:23:23,974 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:23:23,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:23:23,974 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:23:23,975 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:23:23,975 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:23:23,975 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:23:23,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:23:23,976 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:23:23,976 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:23:23,976 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:23:23,976 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:23:23,977 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:23:23,977 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_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a058bd9944921e52018f99044f11f694f824f3f09daf510330544b4558ba193 [2023-11-29 05:23:24,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:23:24,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:23:24,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:23:24,219 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:23:24,220 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:23:24,221 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i [2023-11-29 05:23:26,936 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:23:27,217 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:23:27,218 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i [2023-11-29 05:23:27,237 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/data/67c97f32f/8b1db7ce79914f6087225c3b78588434/FLAG8a94c5b18 [2023-11-29 05:23:27,250 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/data/67c97f32f/8b1db7ce79914f6087225c3b78588434 [2023-11-29 05:23:27,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:23:27,254 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:23:27,255 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:23:27,255 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:23:27,259 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:23:27,259 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:23:27" (1/1) ... [2023-11-29 05:23:27,260 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e8fec24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:23:27, skipping insertion in model container [2023-11-29 05:23:27,260 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:23:27" (1/1) ... [2023-11-29 05:23:27,323 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:23:27,777 WARN L240 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_13c9855a-4af1-4206-9b64-8aa900394978/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i[44118,44131] [2023-11-29 05:23:27,789 WARN L240 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_13c9855a-4af1-4206-9b64-8aa900394978/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i[44660,44673] [2023-11-29 05:23:27,878 WARN L240 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_13c9855a-4af1-4206-9b64-8aa900394978/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i[56247,56260] [2023-11-29 05:23:27,880 WARN L240 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_13c9855a-4af1-4206-9b64-8aa900394978/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i[56368,56381] [2023-11-29 05:23:27,896 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:23:27,908 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:23:27,941 WARN L240 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_13c9855a-4af1-4206-9b64-8aa900394978/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i[44118,44131] [2023-11-29 05:23:27,947 WARN L240 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_13c9855a-4af1-4206-9b64-8aa900394978/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i[44660,44673] [2023-11-29 05:23:28,001 WARN L240 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_13c9855a-4af1-4206-9b64-8aa900394978/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i[56247,56260] [2023-11-29 05:23:28,003 WARN L240 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_13c9855a-4af1-4206-9b64-8aa900394978/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i[56368,56381] [2023-11-29 05:23:28,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:23:28,066 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 05:23:28,074 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:23:28,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:23:28 WrapperNode [2023-11-29 05:23:28,075 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:23:28,076 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:23:28,076 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:23:28,076 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:23:28,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:23:28" (1/1) ... [2023-11-29 05:23:28,115 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:23:28" (1/1) ... [2023-11-29 05:23:28,185 INFO L138 Inliner]: procedures = 282, calls = 347, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1542 [2023-11-29 05:23:28,186 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:23:28,187 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:23:28,187 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:23:28,187 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:23:28,216 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:23:28" (1/1) ... [2023-11-29 05:23:28,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:23:28" (1/1) ... [2023-11-29 05:23:28,235 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:23:28" (1/1) ... [2023-11-29 05:23:28,379 INFO L175 MemorySlicer]: Split 314 memory accesses to 5 slices as follows [2, 3, 34, 270, 5]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 64 writes are split as follows [0, 2, 4, 57, 1]. [2023-11-29 05:23:28,379 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:23:28" (1/1) ... [2023-11-29 05:23:28,380 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:23:28" (1/1) ... [2023-11-29 05:23:28,423 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:23:28" (1/1) ... [2023-11-29 05:23:28,437 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:23:28" (1/1) ... [2023-11-29 05:23:28,444 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:23:28" (1/1) ... [2023-11-29 05:23:28,451 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:23:28" (1/1) ... [2023-11-29 05:23:28,462 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:23:28,463 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:23:28,463 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:23:28,463 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:23:28,464 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:23:28" (1/1) ... [2023-11-29 05:23:28,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:23:28,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:23:28,492 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:23:28,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:23:28,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 05:23:28,524 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-29 05:23:28,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 05:23:28,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 05:23:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-29 05:23:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-29 05:23:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-29 05:23:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 05:23:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-11-29 05:23:28,525 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-11-29 05:23:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 05:23:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 05:23:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 05:23:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 05:23:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 05:23:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-29 05:23:28,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-29 05:23:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 05:23:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 05:23:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 05:23:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 05:23:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 05:23:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 05:23:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:23:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-11-29 05:23:28,527 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-11-29 05:23:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 05:23:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 05:23:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-29 05:23:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-29 05:23:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-29 05:23:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-11-29 05:23:28,528 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-11-29 05:23:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:23:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 05:23:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 05:23:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 05:23:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 05:23:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:23:28,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:23:28,747 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:23:28,749 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:23:30,099 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:23:30,148 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:23:30,148 INFO L309 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-29 05:23:30,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:23:30 BoogieIcfgContainer [2023-11-29 05:23:30,149 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:23:30,152 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:23:30,152 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:23:30,155 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:23:30,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:23:27" (1/3) ... [2023-11-29 05:23:30,155 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cb3f731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:23:30, skipping insertion in model container [2023-11-29 05:23:30,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:23:28" (2/3) ... [2023-11-29 05:23:30,156 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cb3f731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:23:30, skipping insertion in model container [2023-11-29 05:23:30,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:23:30" (3/3) ... [2023-11-29 05:23:30,157 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test6-2.i [2023-11-29 05:23:30,172 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:23:30,172 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-29 05:23:30,222 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:23:30,228 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@3a5b6fc3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:23:30,228 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-29 05:23:30,233 INFO L276 IsEmpty]: Start isEmpty. Operand has 419 states, 395 states have (on average 1.6810126582278482) internal successors, (664), 399 states have internal predecessors, (664), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-29 05:23:30,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-29 05:23:30,240 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:23:30,240 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:23:30,241 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 05:23:30,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:23:30,245 INFO L85 PathProgramCache]: Analyzing trace with hash -35869811, now seen corresponding path program 1 times [2023-11-29 05:23:30,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:23:30,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800152142] [2023-11-29 05:23:30,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:30,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:23:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:23:30,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:23:30,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:23:30,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800152142] [2023-11-29 05:23:30,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800152142] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:23:30,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:23:30,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:23:30,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865823139] [2023-11-29 05:23:30,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:23:30,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 05:23:30,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:23:30,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 05:23:30,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:23:30,431 INFO L87 Difference]: Start difference. First operand has 419 states, 395 states have (on average 1.6810126582278482) internal successors, (664), 399 states have internal predecessors, (664), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:30,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:23:30,517 INFO L93 Difference]: Finished difference Result 835 states and 1400 transitions. [2023-11-29 05:23:30,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 05:23:30,519 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-29 05:23:30,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:23:30,533 INFO L225 Difference]: With dead ends: 835 [2023-11-29 05:23:30,533 INFO L226 Difference]: Without dead ends: 415 [2023-11-29 05:23:30,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:23:30,542 INFO L413 NwaCegarLoop]: 604 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:23:30,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 604 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:23:30,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2023-11-29 05:23:30,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2023-11-29 05:23:30,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 392 states have (on average 1.4821428571428572) internal successors, (581), 396 states have internal predecessors, (581), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 05:23:30,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 611 transitions. [2023-11-29 05:23:30,604 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 611 transitions. Word has length 7 [2023-11-29 05:23:30,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:23:30,605 INFO L495 AbstractCegarLoop]: Abstraction has 415 states and 611 transitions. [2023-11-29 05:23:30,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:30,605 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 611 transitions. [2023-11-29 05:23:30,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-29 05:23:30,606 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:23:30,606 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:23:30,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 05:23:30,607 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 05:23:30,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:23:30,607 INFO L85 PathProgramCache]: Analyzing trace with hash -24229221, now seen corresponding path program 1 times [2023-11-29 05:23:30,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:23:30,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329872356] [2023-11-29 05:23:30,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:30,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:23:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:23:30,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:23:30,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:23:30,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329872356] [2023-11-29 05:23:30,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329872356] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:23:30,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:23:30,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:23:30,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538756867] [2023-11-29 05:23:30,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:23:30,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:23:30,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:23:30,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:23:30,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:23:30,777 INFO L87 Difference]: Start difference. First operand 415 states and 611 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:31,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:23:31,010 INFO L93 Difference]: Finished difference Result 1034 states and 1530 transitions. [2023-11-29 05:23:31,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:23:31,011 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-11-29 05:23:31,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:23:31,017 INFO L225 Difference]: With dead ends: 1034 [2023-11-29 05:23:31,017 INFO L226 Difference]: Without dead ends: 808 [2023-11-29 05:23:31,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:23:31,019 INFO L413 NwaCegarLoop]: 642 mSDtfsCounter, 559 mSDsluCounter, 1215 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 573 SdHoareTripleChecker+Valid, 1857 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:23:31,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [573 Valid, 1857 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:23:31,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2023-11-29 05:23:31,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 417. [2023-11-29 05:23:31,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 394 states have (on average 1.4796954314720812) internal successors, (583), 398 states have internal predecessors, (583), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 05:23:31,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 613 transitions. [2023-11-29 05:23:31,058 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 613 transitions. Word has length 9 [2023-11-29 05:23:31,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:23:31,058 INFO L495 AbstractCegarLoop]: Abstraction has 417 states and 613 transitions. [2023-11-29 05:23:31,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:31,059 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 613 transitions. [2023-11-29 05:23:31,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-29 05:23:31,061 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:23:31,062 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:23:31,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 05:23:31,062 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 05:23:31,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:23:31,063 INFO L85 PathProgramCache]: Analyzing trace with hash -892865680, now seen corresponding path program 1 times [2023-11-29 05:23:31,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:23:31,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936099253] [2023-11-29 05:23:31,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:31,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:23:31,104 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:23:31,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1249857361] [2023-11-29 05:23:31,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:31,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:23:31,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:23:31,109 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:23:31,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 05:23:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:23:31,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 05:23:31,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:23:31,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:23:31,430 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:23:31,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:23:31,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936099253] [2023-11-29 05:23:31,431 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:23:31,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249857361] [2023-11-29 05:23:31,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1249857361] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:23:31,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:23:31,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:23:31,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653314266] [2023-11-29 05:23:31,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:23:31,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:23:31,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:23:31,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:23:31,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:23:31,434 INFO L87 Difference]: Start difference. First operand 417 states and 613 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:31,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:23:31,538 INFO L93 Difference]: Finished difference Result 852 states and 1254 transitions. [2023-11-29 05:23:31,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:23:31,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2023-11-29 05:23:31,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:23:31,543 INFO L225 Difference]: With dead ends: 852 [2023-11-29 05:23:31,543 INFO L226 Difference]: Without dead ends: 438 [2023-11-29 05:23:31,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:23:31,545 INFO L413 NwaCegarLoop]: 583 mSDtfsCounter, 9 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1152 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:23:31,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1152 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:23:31,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2023-11-29 05:23:31,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 437. [2023-11-29 05:23:31,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 414 states have (on average 1.4565217391304348) internal successors, (603), 418 states have internal predecessors, (603), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 05:23:31,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 633 transitions. [2023-11-29 05:23:31,564 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 633 transitions. Word has length 64 [2023-11-29 05:23:31,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:23:31,564 INFO L495 AbstractCegarLoop]: Abstraction has 437 states and 633 transitions. [2023-11-29 05:23:31,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:31,565 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 633 transitions. [2023-11-29 05:23:31,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-29 05:23:31,567 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:23:31,568 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:23:31,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 05:23:31,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:23:31,773 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 05:23:31,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:23:31,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1141012174, now seen corresponding path program 1 times [2023-11-29 05:23:31,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:23:31,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317832457] [2023-11-29 05:23:31,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:31,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:23:31,808 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:23:31,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [885425238] [2023-11-29 05:23:31,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:31,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:23:31,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:23:31,809 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:23:31,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 05:23:32,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:23:32,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 05:23:32,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:23:32,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:23:32,118 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:23:32,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:23:32,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317832457] [2023-11-29 05:23:32,118 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:23:32,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885425238] [2023-11-29 05:23:32,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [885425238] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:23:32,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:23:32,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:23:32,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63157311] [2023-11-29 05:23:32,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:23:32,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:23:32,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:23:32,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:23:32,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:23:32,121 INFO L87 Difference]: Start difference. First operand 437 states and 633 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:32,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:23:32,224 INFO L93 Difference]: Finished difference Result 858 states and 1250 transitions. [2023-11-29 05:23:32,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:23:32,225 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2023-11-29 05:23:32,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:23:32,228 INFO L225 Difference]: With dead ends: 858 [2023-11-29 05:23:32,228 INFO L226 Difference]: Without dead ends: 424 [2023-11-29 05:23:32,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:23:32,230 INFO L413 NwaCegarLoop]: 576 mSDtfsCounter, 165 mSDsluCounter, 1000 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 1576 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:23:32,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 1576 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:23:32,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2023-11-29 05:23:32,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 423. [2023-11-29 05:23:32,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 400 states have (on average 1.455) internal successors, (582), 404 states have internal predecessors, (582), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 05:23:32,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 612 transitions. [2023-11-29 05:23:32,245 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 612 transitions. Word has length 64 [2023-11-29 05:23:32,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:23:32,245 INFO L495 AbstractCegarLoop]: Abstraction has 423 states and 612 transitions. [2023-11-29 05:23:32,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:32,246 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 612 transitions. [2023-11-29 05:23:32,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-29 05:23:32,248 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:23:32,248 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:23:32,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 05:23:32,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:23:32,453 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 05:23:32,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:23:32,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1436507292, now seen corresponding path program 1 times [2023-11-29 05:23:32,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:23:32,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207515814] [2023-11-29 05:23:32,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:32,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:23:32,481 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:23:32,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1766323150] [2023-11-29 05:23:32,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:32,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:23:32,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:23:32,482 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:23:32,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 05:23:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:23:32,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 05:23:32,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:23:32,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:23:32,895 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:23:32,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:23:32,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207515814] [2023-11-29 05:23:32,896 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:23:32,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766323150] [2023-11-29 05:23:32,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766323150] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:23:32,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:23:32,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:23:32,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927519448] [2023-11-29 05:23:32,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:23:32,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:23:32,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:23:32,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:23:32,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:23:32,898 INFO L87 Difference]: Start difference. First operand 423 states and 612 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:33,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:23:33,365 INFO L93 Difference]: Finished difference Result 883 states and 1272 transitions. [2023-11-29 05:23:33,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:23:33,366 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2023-11-29 05:23:33,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:23:33,369 INFO L225 Difference]: With dead ends: 883 [2023-11-29 05:23:33,369 INFO L226 Difference]: Without dead ends: 463 [2023-11-29 05:23:33,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:23:33,371 INFO L413 NwaCegarLoop]: 585 mSDtfsCounter, 12 mSDsluCounter, 1917 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 2502 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:23:33,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2502 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 05:23:33,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2023-11-29 05:23:33,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 460. [2023-11-29 05:23:33,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 437 states have (on average 1.4324942791762014) internal successors, (626), 441 states have internal predecessors, (626), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 05:23:33,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 656 transitions. [2023-11-29 05:23:33,406 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 656 transitions. Word has length 64 [2023-11-29 05:23:33,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:23:33,406 INFO L495 AbstractCegarLoop]: Abstraction has 460 states and 656 transitions. [2023-11-29 05:23:33,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:33,407 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 656 transitions. [2023-11-29 05:23:33,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-29 05:23:33,409 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:23:33,409 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:23:33,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-29 05:23:33,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:23:33,613 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 05:23:33,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:23:33,613 INFO L85 PathProgramCache]: Analyzing trace with hash 188191015, now seen corresponding path program 1 times [2023-11-29 05:23:33,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:23:33,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437296900] [2023-11-29 05:23:33,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:33,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:23:33,640 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:23:33,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [910256731] [2023-11-29 05:23:33,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:33,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:23:33,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:23:33,642 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:23:33,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 05:23:33,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:23:33,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 05:23:33,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:23:34,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:23:34,004 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:23:34,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:23:34,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437296900] [2023-11-29 05:23:34,004 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:23:34,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910256731] [2023-11-29 05:23:34,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910256731] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:23:34,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:23:34,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:23:34,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196808225] [2023-11-29 05:23:34,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:23:34,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:23:34,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:23:34,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:23:34,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:23:34,006 INFO L87 Difference]: Start difference. First operand 460 states and 656 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:34,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:23:34,547 INFO L93 Difference]: Finished difference Result 928 states and 1327 transitions. [2023-11-29 05:23:34,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 05:23:34,548 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2023-11-29 05:23:34,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:23:34,551 INFO L225 Difference]: With dead ends: 928 [2023-11-29 05:23:34,551 INFO L226 Difference]: Without dead ends: 471 [2023-11-29 05:23:34,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:23:34,553 INFO L413 NwaCegarLoop]: 578 mSDtfsCounter, 17 mSDsluCounter, 2353 mSDsCounter, 0 mSdLazyCounter, 692 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2931 SdHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 05:23:34,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2931 Invalid, 693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 692 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 05:23:34,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2023-11-29 05:23:34,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 468. [2023-11-29 05:23:34,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 445 states have (on average 1.4337078651685393) internal successors, (638), 449 states have internal predecessors, (638), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 05:23:34,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 668 transitions. [2023-11-29 05:23:34,567 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 668 transitions. Word has length 65 [2023-11-29 05:23:34,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:23:34,567 INFO L495 AbstractCegarLoop]: Abstraction has 468 states and 668 transitions. [2023-11-29 05:23:34,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:34,568 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 668 transitions. [2023-11-29 05:23:34,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-29 05:23:34,569 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:23:34,569 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:23:34,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-29 05:23:34,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-29 05:23:34,770 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 05:23:34,770 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:23:34,771 INFO L85 PathProgramCache]: Analyzing trace with hash 173966767, now seen corresponding path program 1 times [2023-11-29 05:23:34,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:23:34,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603605098] [2023-11-29 05:23:34,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:34,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:23:34,819 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:23:34,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2110239705] [2023-11-29 05:23:34,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:34,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:23:34,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:23:34,821 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:23:34,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 05:23:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:23:35,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 05:23:35,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:23:35,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:23:35,174 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:23:35,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:23:35,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603605098] [2023-11-29 05:23:35,175 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:23:35,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2110239705] [2023-11-29 05:23:35,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2110239705] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:23:35,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:23:35,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:23:35,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213474004] [2023-11-29 05:23:35,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:23:35,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:23:35,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:23:35,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:23:35,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:23:35,177 INFO L87 Difference]: Start difference. First operand 468 states and 668 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:35,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:23:35,696 INFO L93 Difference]: Finished difference Result 947 states and 1354 transitions. [2023-11-29 05:23:35,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 05:23:35,697 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2023-11-29 05:23:35,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:23:35,700 INFO L225 Difference]: With dead ends: 947 [2023-11-29 05:23:35,700 INFO L226 Difference]: Without dead ends: 482 [2023-11-29 05:23:35,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:23:35,702 INFO L413 NwaCegarLoop]: 574 mSDtfsCounter, 46 mSDsluCounter, 2436 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 3010 SdHoareTripleChecker+Invalid, 637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 05:23:35,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 3010 Invalid, 637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 05:23:35,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2023-11-29 05:23:35,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 474. [2023-11-29 05:23:35,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 451 states have (on average 1.434589800443459) internal successors, (647), 455 states have internal predecessors, (647), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 05:23:35,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 677 transitions. [2023-11-29 05:23:35,715 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 677 transitions. Word has length 66 [2023-11-29 05:23:35,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:23:35,715 INFO L495 AbstractCegarLoop]: Abstraction has 474 states and 677 transitions. [2023-11-29 05:23:35,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:35,716 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 677 transitions. [2023-11-29 05:23:35,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-29 05:23:35,717 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:23:35,717 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:23:35,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 05:23:35,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-29 05:23:35,919 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 05:23:35,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:23:35,919 INFO L85 PathProgramCache]: Analyzing trace with hash -429024437, now seen corresponding path program 1 times [2023-11-29 05:23:35,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:23:35,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972383919] [2023-11-29 05:23:35,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:35,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:23:35,942 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:23:35,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [827206248] [2023-11-29 05:23:35,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:35,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:23:35,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:23:35,944 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:23:35,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 05:23:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:23:36,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 05:23:36,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:23:36,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:23:36,658 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:23:36,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:23:36,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972383919] [2023-11-29 05:23:36,658 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:23:36,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [827206248] [2023-11-29 05:23:36,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [827206248] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:23:36,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:23:36,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:23:36,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935152308] [2023-11-29 05:23:36,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:23:36,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:23:36,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:23:36,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:23:36,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:23:36,661 INFO L87 Difference]: Start difference. First operand 474 states and 677 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:37,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:23:37,182 INFO L93 Difference]: Finished difference Result 485 states and 688 transitions. [2023-11-29 05:23:37,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 05:23:37,182 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2023-11-29 05:23:37,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:23:37,186 INFO L225 Difference]: With dead ends: 485 [2023-11-29 05:23:37,186 INFO L226 Difference]: Without dead ends: 483 [2023-11-29 05:23:37,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-29 05:23:37,187 INFO L413 NwaCegarLoop]: 560 mSDtfsCounter, 511 mSDsluCounter, 2308 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 2868 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 05:23:37,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 2868 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 05:23:37,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2023-11-29 05:23:37,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 483. [2023-11-29 05:23:37,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 457 states have (on average 1.4310722100656454) internal successors, (654), 462 states have internal predecessors, (654), 16 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-29 05:23:37,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 686 transitions. [2023-11-29 05:23:37,211 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 686 transitions. Word has length 66 [2023-11-29 05:23:37,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:23:37,211 INFO L495 AbstractCegarLoop]: Abstraction has 483 states and 686 transitions. [2023-11-29 05:23:37,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:37,211 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 686 transitions. [2023-11-29 05:23:37,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-29 05:23:37,213 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:23:37,213 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:23:37,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 05:23:37,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:23:37,414 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 05:23:37,414 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:23:37,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1222922771, now seen corresponding path program 1 times [2023-11-29 05:23:37,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:23:37,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344401014] [2023-11-29 05:23:37,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:37,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:23:37,451 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:23:37,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [500196619] [2023-11-29 05:23:37,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:37,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:23:37,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:23:37,453 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:23:37,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 05:23:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:23:37,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 05:23:37,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:23:37,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:23:37,818 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:23:37,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:23:37,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:23:37,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344401014] [2023-11-29 05:23:37,993 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:23:37,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [500196619] [2023-11-29 05:23:37,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [500196619] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 05:23:37,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:23:37,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 9 [2023-11-29 05:23:37,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909442999] [2023-11-29 05:23:37,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:23:37,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:23:37,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:23:37,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:23:37,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-29 05:23:37,996 INFO L87 Difference]: Start difference. First operand 483 states and 686 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 6 states have internal predecessors, (72), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 05:23:38,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:23:38,307 INFO L93 Difference]: Finished difference Result 2065 states and 2967 transitions. [2023-11-29 05:23:38,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:23:38,308 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 6 states have internal predecessors, (72), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 78 [2023-11-29 05:23:38,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:23:38,318 INFO L225 Difference]: With dead ends: 2065 [2023-11-29 05:23:38,319 INFO L226 Difference]: Without dead ends: 1585 [2023-11-29 05:23:38,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 143 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-29 05:23:38,320 INFO L413 NwaCegarLoop]: 1163 mSDtfsCounter, 2216 mSDsluCounter, 2212 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2216 SdHoareTripleChecker+Valid, 3375 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:23:38,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2216 Valid, 3375 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 05:23:38,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1585 states. [2023-11-29 05:23:38,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1585 to 1342. [2023-11-29 05:23:38,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1342 states, 1292 states have (on average 1.4442724458204335) internal successors, (1866), 1300 states have internal predecessors, (1866), 33 states have call successors, (33), 13 states have call predecessors, (33), 13 states have return successors, (35), 28 states have call predecessors, (35), 33 states have call successors, (35) [2023-11-29 05:23:38,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 1934 transitions. [2023-11-29 05:23:38,376 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 1934 transitions. Word has length 78 [2023-11-29 05:23:38,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:23:38,377 INFO L495 AbstractCegarLoop]: Abstraction has 1342 states and 1934 transitions. [2023-11-29 05:23:38,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 6 states have internal predecessors, (72), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 05:23:38,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1934 transitions. [2023-11-29 05:23:38,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-29 05:23:38,379 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:23:38,379 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:23:38,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-29 05:23:38,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:23:38,580 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 05:23:38,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:23:38,580 INFO L85 PathProgramCache]: Analyzing trace with hash 790637380, now seen corresponding path program 1 times [2023-11-29 05:23:38,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:23:38,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737854979] [2023-11-29 05:23:38,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:38,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:23:38,622 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:23:38,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1101793943] [2023-11-29 05:23:38,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:38,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:23:38,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:23:38,623 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:23:38,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 05:23:38,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:23:38,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:23:38,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:23:38,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:23:38,916 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:23:38,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:23:38,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737854979] [2023-11-29 05:23:38,916 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:23:38,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1101793943] [2023-11-29 05:23:38,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1101793943] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:23:38,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:23:38,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:23:38,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740508270] [2023-11-29 05:23:38,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:23:38,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:23:38,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:23:38,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:23:38,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:23:38,918 INFO L87 Difference]: Start difference. First operand 1342 states and 1934 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:38,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:23:38,983 INFO L93 Difference]: Finished difference Result 2684 states and 3871 transitions. [2023-11-29 05:23:38,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:23:38,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2023-11-29 05:23:38,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:23:38,993 INFO L225 Difference]: With dead ends: 2684 [2023-11-29 05:23:38,993 INFO L226 Difference]: Without dead ends: 1345 [2023-11-29 05:23:38,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:23:38,996 INFO L413 NwaCegarLoop]: 595 mSDtfsCounter, 0 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1186 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:23:38,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1186 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:23:38,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2023-11-29 05:23:39,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 1345. [2023-11-29 05:23:39,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1345 states, 1295 states have (on average 1.4432432432432432) internal successors, (1869), 1303 states have internal predecessors, (1869), 33 states have call successors, (33), 13 states have call predecessors, (33), 13 states have return successors, (35), 28 states have call predecessors, (35), 33 states have call successors, (35) [2023-11-29 05:23:39,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 1345 states and 1937 transitions. [2023-11-29 05:23:39,050 INFO L78 Accepts]: Start accepts. Automaton has 1345 states and 1937 transitions. Word has length 79 [2023-11-29 05:23:39,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:23:39,050 INFO L495 AbstractCegarLoop]: Abstraction has 1345 states and 1937 transitions. [2023-11-29 05:23:39,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:39,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1345 states and 1937 transitions. [2023-11-29 05:23:39,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-29 05:23:39,052 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:23:39,052 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:23:39,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-29 05:23:39,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 05:23:39,257 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 05:23:39,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:23:39,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1183664390, now seen corresponding path program 1 times [2023-11-29 05:23:39,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:23:39,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402652450] [2023-11-29 05:23:39,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:39,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:23:39,301 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:23:39,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2090358487] [2023-11-29 05:23:39,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:39,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:23:39,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:23:39,303 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:23:39,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 05:23:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:23:39,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 05:23:39,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:23:39,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:23:39,864 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:23:39,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:23:39,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402652450] [2023-11-29 05:23:39,865 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:23:39,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090358487] [2023-11-29 05:23:39,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2090358487] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:23:39,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:23:39,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:23:39,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361509949] [2023-11-29 05:23:39,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:23:39,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:23:39,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:23:39,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:23:39,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:23:39,867 INFO L87 Difference]: Start difference. First operand 1345 states and 1937 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 2 states have internal predecessors, (77), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:40,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:23:40,084 INFO L93 Difference]: Finished difference Result 3180 states and 4634 transitions. [2023-11-29 05:23:40,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:23:40,084 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 2 states have internal predecessors, (77), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2023-11-29 05:23:40,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:23:40,095 INFO L225 Difference]: With dead ends: 3180 [2023-11-29 05:23:40,095 INFO L226 Difference]: Without dead ends: 1838 [2023-11-29 05:23:40,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:23:40,099 INFO L413 NwaCegarLoop]: 809 mSDtfsCounter, 388 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 1360 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:23:40,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 1360 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 05:23:40,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2023-11-29 05:23:40,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1362. [2023-11-29 05:23:40,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1362 states, 1320 states have (on average 1.4621212121212122) internal successors, (1930), 1326 states have internal predecessors, (1930), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (29), 25 states have call predecessors, (29), 28 states have call successors, (29) [2023-11-29 05:23:40,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1362 states and 1987 transitions. [2023-11-29 05:23:40,162 INFO L78 Accepts]: Start accepts. Automaton has 1362 states and 1987 transitions. Word has length 79 [2023-11-29 05:23:40,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:23:40,163 INFO L495 AbstractCegarLoop]: Abstraction has 1362 states and 1987 transitions. [2023-11-29 05:23:40,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 2 states have internal predecessors, (77), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:40,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 1987 transitions. [2023-11-29 05:23:40,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-29 05:23:40,164 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:23:40,165 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:23:40,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 05:23:40,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:23:40,365 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 05:23:40,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:23:40,366 INFO L85 PathProgramCache]: Analyzing trace with hash 612999263, now seen corresponding path program 1 times [2023-11-29 05:23:40,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:23:40,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924137171] [2023-11-29 05:23:40,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:40,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:23:40,409 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:23:40,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1407433789] [2023-11-29 05:23:40,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:40,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:23:40,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:23:40,411 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:23:40,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 05:23:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:23:40,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:23:40,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:23:40,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 05:23:40,819 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-29 05:23:40,819 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:23:40,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:23:40,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924137171] [2023-11-29 05:23:40,820 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:23:40,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1407433789] [2023-11-29 05:23:40,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1407433789] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:23:40,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:23:40,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:23:40,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404750601] [2023-11-29 05:23:40,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:23:40,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:23:40,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:23:40,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:23:40,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:23:40,822 INFO L87 Difference]: Start difference. First operand 1362 states and 1987 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 05:23:40,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:23:40,975 INFO L93 Difference]: Finished difference Result 1931 states and 2809 transitions. [2023-11-29 05:23:40,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:23:40,976 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 111 [2023-11-29 05:23:40,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:23:40,986 INFO L225 Difference]: With dead ends: 1931 [2023-11-29 05:23:40,987 INFO L226 Difference]: Without dead ends: 1828 [2023-11-29 05:23:40,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:23:40,988 INFO L413 NwaCegarLoop]: 586 mSDtfsCounter, 497 mSDsluCounter, 1153 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 1739 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:23:40,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 1739 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:23:40,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1828 states. [2023-11-29 05:23:41,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1828 to 1366. [2023-11-29 05:23:41,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1366 states, 1324 states have (on average 1.460725075528701) internal successors, (1934), 1330 states have internal predecessors, (1934), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (29), 25 states have call predecessors, (29), 28 states have call successors, (29) [2023-11-29 05:23:41,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1366 states and 1991 transitions. [2023-11-29 05:23:41,050 INFO L78 Accepts]: Start accepts. Automaton has 1366 states and 1991 transitions. Word has length 111 [2023-11-29 05:23:41,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:23:41,051 INFO L495 AbstractCegarLoop]: Abstraction has 1366 states and 1991 transitions. [2023-11-29 05:23:41,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 05:23:41,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states and 1991 transitions. [2023-11-29 05:23:41,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-29 05:23:41,052 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:23:41,053 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:23:41,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-29 05:23:41,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-29 05:23:41,253 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 05:23:41,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:23:41,254 INFO L85 PathProgramCache]: Analyzing trace with hash -860630692, now seen corresponding path program 1 times [2023-11-29 05:23:41,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:23:41,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360124415] [2023-11-29 05:23:41,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:41,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:23:41,307 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:23:41,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1789975593] [2023-11-29 05:23:41,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:41,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:23:41,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:23:41,308 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:23:41,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 05:23:41,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:23:41,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 05:23:41,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:23:41,831 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-29 05:23:41,831 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:23:41,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:23:41,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360124415] [2023-11-29 05:23:41,831 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:23:41,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789975593] [2023-11-29 05:23:41,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789975593] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:23:41,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:23:41,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:23:41,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052593637] [2023-11-29 05:23:41,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:23:41,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:23:41,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:23:41,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:23:41,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:23:41,834 INFO L87 Difference]: Start difference. First operand 1366 states and 1991 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 05:23:41,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:23:41,983 INFO L93 Difference]: Finished difference Result 2545 states and 3719 transitions. [2023-11-29 05:23:41,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 05:23:41,984 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 119 [2023-11-29 05:23:41,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:23:41,991 INFO L225 Difference]: With dead ends: 2545 [2023-11-29 05:23:41,991 INFO L226 Difference]: Without dead ends: 1366 [2023-11-29 05:23:41,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:23:41,993 INFO L413 NwaCegarLoop]: 583 mSDtfsCounter, 125 mSDsluCounter, 1693 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 2276 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:23:41,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 2276 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:23:41,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1366 states. [2023-11-29 05:23:42,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1366 to 1366. [2023-11-29 05:23:42,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1366 states, 1324 states have (on average 1.460725075528701) internal successors, (1934), 1330 states have internal predecessors, (1934), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 25 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-29 05:23:42,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1366 states and 1990 transitions. [2023-11-29 05:23:42,034 INFO L78 Accepts]: Start accepts. Automaton has 1366 states and 1990 transitions. Word has length 119 [2023-11-29 05:23:42,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:23:42,034 INFO L495 AbstractCegarLoop]: Abstraction has 1366 states and 1990 transitions. [2023-11-29 05:23:42,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 05:23:42,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states and 1990 transitions. [2023-11-29 05:23:42,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-29 05:23:42,035 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:23:42,035 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:23:42,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-29 05:23:42,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-29 05:23:42,236 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 05:23:42,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:23:42,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1056700508, now seen corresponding path program 1 times [2023-11-29 05:23:42,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:23:42,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846856490] [2023-11-29 05:23:42,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:42,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:23:42,287 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:23:42,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [505354932] [2023-11-29 05:23:42,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:42,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:23:42,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:23:42,289 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:23:42,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 05:23:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:23:42,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 923 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 05:23:42,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:23:42,879 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-29 05:23:42,879 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:23:42,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:23:42,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846856490] [2023-11-29 05:23:42,879 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:23:42,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505354932] [2023-11-29 05:23:42,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505354932] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:23:42,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:23:42,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 05:23:42,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33165408] [2023-11-29 05:23:42,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:23:42,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:23:42,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:23:42,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:23:42,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:23:42,881 INFO L87 Difference]: Start difference. First operand 1366 states and 1990 transitions. Second operand has 8 states, 7 states have (on average 14.857142857142858) internal successors, (104), 8 states have internal predecessors, (104), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-29 05:23:43,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:23:43,044 INFO L93 Difference]: Finished difference Result 2549 states and 3726 transitions. [2023-11-29 05:23:43,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 05:23:43,047 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 14.857142857142858) internal successors, (104), 8 states have internal predecessors, (104), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 124 [2023-11-29 05:23:43,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:23:43,054 INFO L225 Difference]: With dead ends: 2549 [2023-11-29 05:23:43,055 INFO L226 Difference]: Without dead ends: 1369 [2023-11-29 05:23:43,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:23:43,057 INFO L413 NwaCegarLoop]: 583 mSDtfsCounter, 13 mSDsluCounter, 3470 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 4053 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:23:43,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 4053 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:23:43,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1369 states. [2023-11-29 05:23:43,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1369 to 1369. [2023-11-29 05:23:43,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1369 states, 1326 states have (on average 1.4607843137254901) internal successors, (1937), 1333 states have internal predecessors, (1937), 28 states have call successors, (28), 10 states have call predecessors, (28), 11 states have return successors, (29), 25 states have call predecessors, (29), 28 states have call successors, (29) [2023-11-29 05:23:43,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 1369 states and 1994 transitions. [2023-11-29 05:23:43,098 INFO L78 Accepts]: Start accepts. Automaton has 1369 states and 1994 transitions. Word has length 124 [2023-11-29 05:23:43,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:23:43,098 INFO L495 AbstractCegarLoop]: Abstraction has 1369 states and 1994 transitions. [2023-11-29 05:23:43,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 14.857142857142858) internal successors, (104), 8 states have internal predecessors, (104), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-29 05:23:43,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1369 states and 1994 transitions. [2023-11-29 05:23:43,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-29 05:23:43,100 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:23:43,100 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:23:43,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-29 05:23:43,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-29 05:23:43,301 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 05:23:43,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:23:43,301 INFO L85 PathProgramCache]: Analyzing trace with hash -2044446592, now seen corresponding path program 1 times [2023-11-29 05:23:43,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:23:43,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625178554] [2023-11-29 05:23:43,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:43,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:23:43,352 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:23:43,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [649591542] [2023-11-29 05:23:43,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:43,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:23:43,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:23:43,354 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:23:43,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-29 05:23:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:23:43,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 953 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-29 05:23:43,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:23:43,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 05:23:43,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 15 [2023-11-29 05:23:44,290 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:23:44,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 46 treesize of output 26 [2023-11-29 05:23:44,429 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-29 05:23:44,429 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:23:44,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:23:44,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625178554] [2023-11-29 05:23:44,430 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:23:44,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649591542] [2023-11-29 05:23:44,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [649591542] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:23:44,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:23:44,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 05:23:44,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638812794] [2023-11-29 05:23:44,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:23:44,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:23:44,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:23:44,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:23:44,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:23:44,432 INFO L87 Difference]: Start difference. First operand 1369 states and 1994 transitions. Second operand has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 states have internal predecessors, (101), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-29 05:23:46,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:23:46,642 INFO L93 Difference]: Finished difference Result 3085 states and 4506 transitions. [2023-11-29 05:23:46,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 05:23:46,643 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 states have internal predecessors, (101), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 126 [2023-11-29 05:23:46,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:23:46,653 INFO L225 Difference]: With dead ends: 3085 [2023-11-29 05:23:46,653 INFO L226 Difference]: Without dead ends: 1842 [2023-11-29 05:23:46,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2023-11-29 05:23:46,657 INFO L413 NwaCegarLoop]: 548 mSDtfsCounter, 1031 mSDsluCounter, 4068 mSDsCounter, 0 mSdLazyCounter, 1775 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1038 SdHoareTripleChecker+Valid, 4616 SdHoareTripleChecker+Invalid, 1793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-29 05:23:46,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1038 Valid, 4616 Invalid, 1793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1775 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-29 05:23:46,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1842 states. [2023-11-29 05:23:46,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1842 to 1376. [2023-11-29 05:23:46,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1376 states, 1333 states have (on average 1.458364591147787) internal successors, (1944), 1340 states have internal predecessors, (1944), 28 states have call successors, (28), 10 states have call predecessors, (28), 11 states have return successors, (29), 25 states have call predecessors, (29), 28 states have call successors, (29) [2023-11-29 05:23:46,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1376 states and 2001 transitions. [2023-11-29 05:23:46,735 INFO L78 Accepts]: Start accepts. Automaton has 1376 states and 2001 transitions. Word has length 126 [2023-11-29 05:23:46,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:23:46,735 INFO L495 AbstractCegarLoop]: Abstraction has 1376 states and 2001 transitions. [2023-11-29 05:23:46,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 states have internal predecessors, (101), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-29 05:23:46,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 2001 transitions. [2023-11-29 05:23:46,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-29 05:23:46,737 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:23:46,737 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:23:46,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-29 05:23:46,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:23:46,938 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 05:23:46,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:23:46,938 INFO L85 PathProgramCache]: Analyzing trace with hash -797082272, now seen corresponding path program 1 times [2023-11-29 05:23:46,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:23:46,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792754350] [2023-11-29 05:23:46,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:46,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:23:46,987 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:23:46,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [225467227] [2023-11-29 05:23:46,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:46,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:23:46,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:23:46,988 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:23:46,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-29 05:23:47,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:23:47,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 953 conjuncts, 156 conjunts are in the unsatisfiable core [2023-11-29 05:23:47,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:23:47,458 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 05:23:47,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 05:23:47,691 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-29 05:23:47,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-11-29 05:23:47,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 05:23:47,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 05:23:47,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2023-11-29 05:23:47,821 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-11-29 05:23:48,016 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 05:23:48,016 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2023-11-29 05:23:48,022 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2023-11-29 05:23:48,143 INFO L349 Elim1Store]: treesize reduction 100, result has 4.8 percent of original size [2023-11-29 05:23:48,144 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 41968 treesize of output 35334 [2023-11-29 05:23:48,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2023-11-29 05:23:48,206 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 05:23:48,216 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 05:23:48,221 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 05:23:48,227 INFO L349 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2023-11-29 05:23:48,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 111 treesize of output 233 [2023-11-29 05:23:48,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 170 [2023-11-29 05:23:48,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 76 [2023-11-29 05:23:48,279 INFO L349 Elim1Store]: treesize reduction 97, result has 22.4 percent of original size [2023-11-29 05:23:48,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 8 case distinctions, treesize of input 84 treesize of output 78 [2023-11-29 05:23:48,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 71 [2023-11-29 05:23:48,383 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 05:23:48,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 32801 treesize of output 28007 [2023-11-29 05:23:48,522 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 05:23:48,524 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 36200 treesize of output 30958 [2023-11-29 05:23:48,742 INFO L349 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-29 05:23:48,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 20 new quantified variables, introduced 38 case distinctions, treesize of input 65535 treesize of output 53646 [2023-11-29 05:23:48,925 INFO L349 Elim1Store]: treesize reduction 2146, result has 0.0 percent of original size [2023-11-29 05:23:48,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 15 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 19 new quantified variables, introduced 35 case distinctions, treesize of input 19140 treesize of output 20210 [2023-11-29 05:23:49,049 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 05:23:49,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 12207 treesize of output 11218 [2023-11-29 05:23:49,130 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 05:23:49,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 33203 treesize of output 28333 [2023-11-29 05:23:49,190 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 05:23:49,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 42370 treesize of output 1 [2023-11-29 05:23:49,275 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 05:23:49,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 36602 treesize of output 31284 [2023-11-29 05:23:49,409 INFO L349 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-29 05:23:49,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 17130 treesize of output 17996 [2023-11-29 05:23:49,505 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 05:23:49,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 10715 treesize of output 9870 [2023-11-29 05:23:49,632 INFO L349 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-29 05:23:49,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 20 new quantified variables, introduced 38 case distinctions, treesize of input 56581 treesize of output 46120 [2023-11-29 05:23:49,722 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 05:23:49,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 25953 treesize of output 22215 [2023-11-29 05:23:49,809 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 05:23:49,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 34336 treesize of output 1 [2023-11-29 05:23:49,877 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 05:23:49,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 29352 treesize of output 25166 [2023-11-29 05:23:49,965 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 05:23:49,967 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 33203 treesize of output 28333 [2023-11-29 05:23:50,021 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 05:23:50,022 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 42370 treesize of output 1 [2023-11-29 05:23:50,098 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 05:23:50,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 36602 treesize of output 31284 [2023-11-29 05:23:50,248 INFO L349 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-29 05:23:50,250 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 20 new quantified variables, introduced 38 case distinctions, treesize of input 68965 treesize of output 56588 [2023-11-29 05:23:50,396 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 05:23:50,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 12407 treesize of output 11403 [2023-11-29 05:23:50,522 INFO L349 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-29 05:23:50,524 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 20 new quantified variables, introduced 38 case distinctions, treesize of input 61598 treesize of output 50277 [2023-11-29 05:23:50,649 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 05:23:50,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 55784 treesize of output 45494 [2023-11-29 05:23:50,700 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 05:23:50,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 12358 treesize of output 11371 [2023-11-29 05:23:50,837 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 05:23:50,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 63599 treesize of output 52541 [2023-11-29 05:23:50,976 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 05:23:50,979 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 61726 treesize of output 50700 [2023-11-29 05:23:51,041 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 05:23:51,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 12001 treesize of output 11046 [2023-11-29 05:23:51,157 INFO L349 Elim1Store]: treesize reduction 1672, result has 0.1 percent of original size [2023-11-29 05:23:51,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 16 new quantified variables, introduced 27 case distinctions, treesize of input 33637 treesize of output 30309 [2023-11-29 05:23:51,248 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 05:23:51,250 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 18276 treesize of output 16322 [2023-11-29 05:23:51,325 INFO L349 Elim1Store]: treesize reduction 731, result has 0.1 percent of original size [2023-11-29 05:23:51,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 10 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 13 new quantified variables, introduced 17 case distinctions, treesize of input 13380 treesize of output 11883 [2023-11-29 05:23:51,364 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 05:23:51,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 6240 treesize of output 1 [2023-11-29 05:23:51,428 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 05:23:51,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 18164 treesize of output 16226 [2023-11-29 05:23:51,505 INFO L349 Elim1Store]: treesize reduction 731, result has 0.1 percent of original size [2023-11-29 05:23:51,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 10 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 13 new quantified variables, introduced 17 case distinctions, treesize of input 13268 treesize of output 11787 [2023-11-29 05:23:51,547 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 05:23:51,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 6084 treesize of output 1 [2023-11-29 05:23:51,614 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 05:23:51,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 15578 treesize of output 13988 [2023-11-29 05:23:51,649 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 05:23:51,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 5096 treesize of output 1 [2023-11-29 05:23:51,697 INFO L349 Elim1Store]: treesize reduction 731, result has 0.1 percent of original size [2023-11-29 05:23:51,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 10 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 13 new quantified variables, introduced 17 case distinctions, treesize of input 11228 treesize of output 9925 [2023-11-29 05:23:51,855 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 05:23:51,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 55958 treesize of output 45512 [2023-11-29 05:23:51,966 INFO L349 Elim1Store]: treesize reduction 1672, result has 0.1 percent of original size [2023-11-29 05:23:51,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 16 new quantified variables, introduced 27 case distinctions, treesize of input 30663 treesize of output 27587 [2023-11-29 05:23:52,037 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 05:23:52,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 10509 treesize of output 9698 [2023-11-29 05:23:52,130 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 05:23:52,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 18276 treesize of output 16322 [2023-11-29 05:23:52,242 INFO L349 Elim1Store]: treesize reduction 731, result has 0.1 percent of original size [2023-11-29 05:23:52,243 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 10 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 13 new quantified variables, introduced 17 case distinctions, treesize of input 13380 treesize of output 11883 [2023-11-29 05:23:52,293 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 05:23:52,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 6240 treesize of output 1 [2023-11-29 05:23:52,923 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 05:23:52,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 34314 treesize of output 29360 [2023-11-29 05:23:52,960 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 05:23:52,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 40604 treesize of output 1 [2023-11-29 05:23:53,023 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 05:23:53,025 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 30915 treesize of output 26409 [2023-11-29 05:23:53,091 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 05:23:53,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 41564 treesize of output 35478 [2023-11-29 05:23:53,190 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 05:23:53,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 38165 treesize of output 32527 [2023-11-29 05:23:53,270 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 05:23:53,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 48638 treesize of output 1 [2023-11-29 05:23:53,387 INFO L349 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-29 05:23:53,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 20 new quantified variables, introduced 38 case distinctions, treesize of input 57637 treesize of output 46854 [2023-11-29 05:23:53,458 INFO L349 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-29 05:23:53,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 11 new quantified variables, introduced 14 case distinctions, treesize of input 7364 treesize of output 7193 [2023-11-29 05:23:53,596 INFO L349 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-29 05:23:53,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 20 new quantified variables, introduced 38 case distinctions, treesize of input 64516 treesize of output 52741 [2023-11-29 05:23:53,763 INFO L349 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-29 05:23:53,765 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 20 new quantified variables, introduced 38 case distinctions, treesize of input 76900 treesize of output 63209 [2023-11-29 05:23:53,820 INFO L349 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-29 05:23:53,821 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 11 new quantified variables, introduced 14 case distinctions, treesize of input 8707 treesize of output 8360 [2023-11-29 05:23:53,935 INFO L349 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-29 05:23:53,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 20 new quantified variables, introduced 38 case distinctions, treesize of input 69533 treesize of output 56898 [2023-11-29 05:23:54,050 INFO L349 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-29 05:23:54,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 20 new quantified variables, introduced 38 case distinctions, treesize of input 66591 treesize of output 54380 [2023-11-29 05:23:54,147 INFO L349 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-29 05:23:54,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 11 new quantified variables, introduced 14 case distinctions, treesize of input 8158 treesize of output 7891 [2023-11-29 05:23:54,337 INFO L349 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-29 05:23:54,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 20 new quantified variables, introduced 38 case distinctions, treesize of input 73470 treesize of output 60267 [2023-11-29 05:23:54,471 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 05:23:54,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 41564 treesize of output 35478 [2023-11-29 05:23:54,544 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 05:23:54,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 38165 treesize of output 32527 [2023-11-29 05:23:54,589 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 05:23:54,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 48638 treesize of output 1 [2023-11-29 05:23:54,648 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 05:23:54,649 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 41162 treesize of output 35152 [2023-11-29 05:23:54,718 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 05:23:54,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 37763 treesize of output 32201 [2023-11-29 05:23:54,749 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 05:23:54,750 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 48236 treesize of output 1 [2023-11-29 05:23:54,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-29 05:23:54,890 INFO L349 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2023-11-29 05:23:54,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2023-11-29 05:23:54,987 INFO L349 Elim1Store]: treesize reduction 137, result has 9.9 percent of original size [2023-11-29 05:23:54,987 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 169 treesize of output 110 [2023-11-29 05:23:54,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 05:23:55,009 INFO L349 Elim1Store]: treesize reduction 29, result has 31.0 percent of original size [2023-11-29 05:23:55,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 37 [2023-11-29 05:23:55,039 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 05:23:55,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 93 treesize of output 66 [2023-11-29 05:23:55,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 05:23:55,052 INFO L349 Elim1Store]: treesize reduction 41, result has 2.4 percent of original size [2023-11-29 05:23:55,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 23 [2023-11-29 05:23:55,407 INFO L349 Elim1Store]: treesize reduction 112, result has 24.8 percent of original size [2023-11-29 05:23:55,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 140 treesize of output 101 [2023-11-29 05:23:55,435 INFO L349 Elim1Store]: treesize reduction 33, result has 41.1 percent of original size [2023-11-29 05:23:55,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 126 treesize of output 126 [2023-11-29 05:23:55,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 05:23:55,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 05:23:55,802 INFO L349 Elim1Store]: treesize reduction 119, result has 5.6 percent of original size [2023-11-29 05:23:55,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 15 case distinctions, treesize of input 205 treesize of output 152 [2023-11-29 05:23:55,828 INFO L349 Elim1Store]: treesize reduction 100, result has 16.0 percent of original size [2023-11-29 05:23:55,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 137 treesize of output 123 [2023-11-29 05:23:56,220 INFO L349 Elim1Store]: treesize reduction 122, result has 21.8 percent of original size [2023-11-29 05:23:56,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 302 treesize of output 212 [2023-11-29 05:23:56,248 INFO L349 Elim1Store]: treesize reduction 10, result has 65.5 percent of original size [2023-11-29 05:23:56,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 224 treesize of output 185 [2023-11-29 05:23:56,287 INFO L349 Elim1Store]: treesize reduction 58, result has 31.8 percent of original size [2023-11-29 05:23:56,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 144 treesize of output 127 [2023-11-29 05:23:56,332 INFO L349 Elim1Store]: treesize reduction 32, result has 36.0 percent of original size [2023-11-29 05:23:56,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 143 treesize of output 126 [2023-11-29 05:23:56,357 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:23:56,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 120 treesize of output 106 [2023-11-29 05:23:56,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-11-29 05:23:56,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-11-29 05:23:56,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-11-29 05:23:56,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 8 [2023-11-29 05:23:56,742 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-11-29 05:23:56,784 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:23:56,784 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:23:56,872 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse12 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse10 (select (select |c_#memory_$Pointer$#3.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12)) (.cse11 (select (select |c_#memory_$Pointer$#3.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12))) (let ((.cse7 (mod |c_ULTIMATE.start_main_~_ha_bkt~0#1| 4294967296)) (.cse0 (select (select |c_#memory_$Pointer$#3.base| .cse10) .cse11))) (let ((.cse4 (select |c_#memory_$Pointer$#3.offset| .cse0)) (.cse2 (select |c_#memory_$Pointer$#3.base| .cse0)) (.cse5 (* .cse7 12)) (.cse6 (select (select |c_#memory_$Pointer$#3.offset| .cse10) .cse11))) (and (or (let ((.cse3 (+ .cse5 .cse6 (- 51539607548))) (.cse1 (+ (- 51539607552) .cse5 .cse6))) (and (forall ((v_ArrVal_3007 (Array Int Int))) (or (forall ((v_ArrVal_3009 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$#3.base| .cse0 v_ArrVal_3007) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_3009) .cse0) .cse1) 0)) (not (= v_ArrVal_3007 (store .cse2 .cse3 (select v_ArrVal_3007 .cse3)))))) (forall ((v_ArrVal_3008 Int) (v_ArrVal_3006 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$#3.offset| .cse0 (store .cse4 .cse3 v_ArrVal_3008)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_3006) .cse0) .cse1) 0)))) (< .cse7 2147483648)) (or (< 2147483647 .cse7) (let ((.cse8 (+ .cse5 .cse6 4)) (.cse9 (+ .cse5 .cse6))) (and (forall ((v_ArrVal_3008 Int) (v_ArrVal_3006 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$#3.offset| .cse0 (store .cse4 .cse8 v_ArrVal_3008)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_3006) .cse0) .cse9) 0)) (forall ((v_ArrVal_3007 (Array Int Int))) (or (not (= (store .cse2 .cse8 (select v_ArrVal_3007 .cse8)) v_ArrVal_3007)) (forall ((v_ArrVal_3009 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$#3.base| .cse0 v_ArrVal_3007) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_3009) .cse0) .cse9) 0)))))))))))) is different from false [2023-11-29 05:23:56,947 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse12 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse10 (select (select |c_#memory_$Pointer$#3.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12)) (.cse11 (select (select |c_#memory_$Pointer$#3.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12))) (let ((.cse0 (mod |c_ULTIMATE.start_main_#t~nondet117#1| 4294967296)) (.cse3 (select (select |c_#memory_$Pointer$#3.base| .cse10) .cse11))) (let ((.cse1 (select |c_#memory_$Pointer$#3.base| .cse3)) (.cse5 (select |c_#memory_$Pointer$#3.offset| .cse3)) (.cse6 (select (select |c_#memory_$Pointer$#3.offset| .cse10) .cse11)) (.cse7 (* .cse0 12))) (and (or (< .cse0 2147483648) (let ((.cse2 (+ .cse6 (- 51539607548) .cse7)) (.cse4 (+ (- 51539607552) .cse6 .cse7))) (and (forall ((v_ArrVal_3007 (Array Int Int))) (or (not (= v_ArrVal_3007 (store .cse1 .cse2 (select v_ArrVal_3007 .cse2)))) (forall ((v_ArrVal_3009 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$#3.base| .cse3 v_ArrVal_3007) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_3009) .cse3) .cse4) 0)))) (forall ((v_ArrVal_3008 Int) (v_ArrVal_3006 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$#3.offset| .cse3 (store .cse5 .cse2 v_ArrVal_3008)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_3006) .cse3) .cse4) 0))))) (or (< 2147483647 .cse0) (let ((.cse9 (+ .cse6 4 .cse7)) (.cse8 (+ .cse6 .cse7))) (and (forall ((v_ArrVal_3007 (Array Int Int))) (or (forall ((v_ArrVal_3009 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$#3.base| .cse3 v_ArrVal_3007) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_3009) .cse3) .cse8) 0)) (not (= v_ArrVal_3007 (store .cse1 .cse9 (select v_ArrVal_3007 .cse9)))))) (forall ((v_ArrVal_3008 Int) (v_ArrVal_3006 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$#3.offset| .cse3 (store .cse5 .cse9 v_ArrVal_3008)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_3006) .cse3) .cse8) 0)))))))))) is different from false [2023-11-29 05:23:56,962 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse5 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse3 (select (select |c_#memory_$Pointer$#3.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse5)) (.cse4 (select (select |c_#memory_$Pointer$#3.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse5))) (let ((.cse2 (select (select |c_#memory_$Pointer$#3.offset| .cse3) .cse4))) (let ((.cse1 (+ .cse2 4)) (.cse0 (select (select |c_#memory_$Pointer$#3.base| .cse3) .cse4))) (and (forall ((v_ArrVal_3007 (Array Int Int))) (or (not (= (store (select |c_#memory_$Pointer$#3.base| .cse0) .cse1 (select v_ArrVal_3007 .cse1)) v_ArrVal_3007)) (forall ((v_ArrVal_3009 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$#3.base| .cse0 v_ArrVal_3007) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_3009) .cse0) .cse2) 0)))) (forall ((v_ArrVal_3008 Int) (v_ArrVal_3006 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$#3.offset| .cse0 (store (select |c_#memory_$Pointer$#3.offset| .cse0) .cse1 v_ArrVal_3008)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_3006) .cse0) .cse2) 0))))))) is different from false [2023-11-29 05:23:56,998 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse7 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse8 (select (select |c_#memory_$Pointer$#3.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse7))) (let ((.cse9 (select |c_#memory_$Pointer$#3.base| .cse8)) (.cse11 (select |c_#memory_$Pointer$#3.offset| .cse8)) (.cse10 (+ (select (select |c_#memory_$Pointer$#3.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse7) 12))) (and (forall ((v_ArrVal_3003 Int) (v_ArrVal_3001 Int) (v_ArrVal_3007 (Array Int Int))) (let ((.cse4 (store |c_#memory_$Pointer$#3.offset| .cse8 (store .cse11 .cse10 v_ArrVal_3001))) (.cse0 (store |c_#memory_$Pointer$#3.base| .cse8 (store .cse9 .cse10 v_ArrVal_3003)))) (let ((.cse5 (select (select .cse0 |c_ULTIMATE.start_main_~users~0#1.base|) .cse7)) (.cse6 (select (select .cse4 |c_ULTIMATE.start_main_~users~0#1.base|) .cse7))) (let ((.cse1 (select (select .cse0 .cse5) .cse6)) (.cse2 (select (select .cse4 .cse5) .cse6))) (or (forall ((v_ArrVal_3009 (Array Int Int))) (= (select (select (store (store .cse0 .cse1 v_ArrVal_3007) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_3009) .cse1) .cse2) 0)) (not (= v_ArrVal_3007 (let ((.cse3 (+ 4 .cse2))) (store (select .cse0 .cse1) .cse3 (select v_ArrVal_3007 .cse3)))))))))) (forall ((v_ArrVal_3008 Int) (v_ArrVal_3003 Int) (v_ArrVal_3006 (Array Int Int)) (v_ArrVal_3001 Int)) (= (let ((.cse12 (store |c_#memory_$Pointer$#3.offset| .cse8 (store .cse11 .cse10 v_ArrVal_3001))) (.cse15 (store |c_#memory_$Pointer$#3.base| .cse8 (store .cse9 .cse10 v_ArrVal_3003)))) (let ((.cse16 (select (select .cse15 |c_ULTIMATE.start_main_~users~0#1.base|) .cse7)) (.cse17 (select (select .cse12 |c_ULTIMATE.start_main_~users~0#1.base|) .cse7))) (let ((.cse14 (select (select .cse12 .cse16) .cse17))) (select (let ((.cse13 (select (select .cse15 .cse16) .cse17))) (select (store (store .cse12 .cse13 (store (select .cse12 .cse13) (+ 4 .cse14) v_ArrVal_3008)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_3006) .cse13)) .cse14)))) 0)))))) is different from false [2023-11-29 05:23:57,023 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse7 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse8 (select (select |c_#memory_$Pointer$#3.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse7))) (let ((.cse9 (select |c_#memory_$Pointer$#3.base| .cse8)) (.cse11 (select |c_#memory_$Pointer$#3.offset| .cse8)) (.cse10 (+ 12 (select (select |c_#memory_$Pointer$#3.offset| |c_ULTIMATE.start_main_~user~0#1.base|) .cse7)))) (and (forall ((v_ArrVal_3003 Int) (v_ArrVal_3001 Int) (v_ArrVal_3007 (Array Int Int))) (let ((.cse4 (store |c_#memory_$Pointer$#3.offset| .cse8 (store .cse11 .cse10 v_ArrVal_3001))) (.cse0 (store |c_#memory_$Pointer$#3.base| .cse8 (store .cse9 .cse10 v_ArrVal_3003)))) (let ((.cse5 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7)) (.cse6 (select (select .cse4 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7))) (let ((.cse1 (select (select .cse0 .cse5) .cse6)) (.cse2 (select (select .cse4 .cse5) .cse6))) (or (forall ((v_ArrVal_3009 (Array Int Int))) (= (select (select (store (store .cse0 .cse1 v_ArrVal_3007) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_3009) .cse1) .cse2) 0)) (not (= v_ArrVal_3007 (let ((.cse3 (+ .cse2 4))) (store (select .cse0 .cse1) .cse3 (select v_ArrVal_3007 .cse3)))))))))) (forall ((v_ArrVal_3008 Int) (v_ArrVal_3003 Int) (v_ArrVal_3006 (Array Int Int)) (v_ArrVal_3001 Int)) (= (let ((.cse12 (store |c_#memory_$Pointer$#3.offset| .cse8 (store .cse11 .cse10 v_ArrVal_3001))) (.cse15 (store |c_#memory_$Pointer$#3.base| .cse8 (store .cse9 .cse10 v_ArrVal_3003)))) (let ((.cse16 (select (select .cse15 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7)) (.cse17 (select (select .cse12 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7))) (let ((.cse14 (select (select .cse12 .cse16) .cse17))) (select (let ((.cse13 (select (select .cse15 .cse16) .cse17))) (select (store (store .cse12 .cse13 (store (select .cse12 .cse13) (+ .cse14 4) v_ArrVal_3008)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_3006) .cse13)) .cse14)))) 0)))))) is different from false [2023-11-29 05:23:57,171 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse8 (store |c_#memory_$Pointer$#3.base| |c_ULTIMATE.start_main_#t~mem103#1.base| (store (select |c_#memory_$Pointer$#3.base| |c_ULTIMATE.start_main_#t~mem103#1.base|) |c_ULTIMATE.start_main_#t~mem103#1.offset| 0))) (.cse7 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse12 (store |c_#memory_$Pointer$#3.offset| |c_ULTIMATE.start_main_#t~mem103#1.base| (store (select |c_#memory_$Pointer$#3.offset| |c_ULTIMATE.start_main_#t~mem103#1.base|) |c_ULTIMATE.start_main_#t~mem103#1.offset| 0))) (.cse9 (select (select .cse8 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7))) (let ((.cse10 (select .cse8 .cse9)) (.cse13 (select .cse12 .cse9)) (.cse11 (+ (select (select .cse12 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7) 12))) (and (forall ((v_ArrVal_3003 Int) (v_ArrVal_3001 Int) (v_ArrVal_3007 (Array Int Int))) (let ((.cse4 (store .cse12 .cse9 (store .cse13 .cse11 v_ArrVal_3001))) (.cse0 (store .cse8 .cse9 (store .cse10 .cse11 v_ArrVal_3003)))) (let ((.cse5 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7)) (.cse6 (select (select .cse4 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7))) (let ((.cse1 (select (select .cse0 .cse5) .cse6)) (.cse2 (select (select .cse4 .cse5) .cse6))) (or (forall ((v_ArrVal_3009 (Array Int Int))) (= (select (select (store (store .cse0 .cse1 v_ArrVal_3007) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_3009) .cse1) .cse2) 0)) (not (= v_ArrVal_3007 (let ((.cse3 (+ .cse2 4))) (store (select .cse0 .cse1) .cse3 (select v_ArrVal_3007 .cse3)))))))))) (forall ((v_ArrVal_3008 Int) (v_ArrVal_3003 Int) (v_ArrVal_3006 (Array Int Int)) (v_ArrVal_3001 Int)) (= (let ((.cse14 (store .cse12 .cse9 (store .cse13 .cse11 v_ArrVal_3001))) (.cse17 (store .cse8 .cse9 (store .cse10 .cse11 v_ArrVal_3003)))) (let ((.cse18 (select (select .cse17 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7)) (.cse19 (select (select .cse14 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7))) (let ((.cse16 (select (select .cse14 .cse18) .cse19))) (select (let ((.cse15 (select (select .cse17 .cse18) .cse19))) (select (store (store .cse14 .cse15 (store (select .cse14 .cse15) (+ .cse16 4) v_ArrVal_3008)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_3006) .cse15)) .cse16)))) 0)))))) is different from false [2023-11-29 05:23:57,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:23:57,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792754350] [2023-11-29 05:23:57,177 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:23:57,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [225467227] [2023-11-29 05:23:57,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [225467227] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:23:57,177 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:23:57,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2023-11-29 05:23:57,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026387411] [2023-11-29 05:23:57,177 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 05:23:57,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-11-29 05:23:57,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:23:57,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-11-29 05:23:57,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=744, Unknown=6, NotChecked=354, Total=1190 [2023-11-29 05:23:57,179 INFO L87 Difference]: Start difference. First operand 1376 states and 2001 transitions. Second operand has 29 states, 24 states have (on average 4.625) internal successors, (111), 24 states have internal predecessors, (111), 6 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2023-11-29 05:24:03,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:24:03,816 INFO L93 Difference]: Finished difference Result 3278 states and 4789 transitions. [2023-11-29 05:24:03,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-11-29 05:24:03,816 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 24 states have (on average 4.625) internal successors, (111), 24 states have internal predecessors, (111), 6 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 126 [2023-11-29 05:24:03,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:24:03,824 INFO L225 Difference]: With dead ends: 3278 [2023-11-29 05:24:03,824 INFO L226 Difference]: Without dead ends: 2096 [2023-11-29 05:24:03,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 130 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 859 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=392, Invalid=3286, Unknown=6, NotChecked=738, Total=4422 [2023-11-29 05:24:03,828 INFO L413 NwaCegarLoop]: 549 mSDtfsCounter, 1067 mSDsluCounter, 11162 mSDsCounter, 0 mSdLazyCounter, 3421 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1079 SdHoareTripleChecker+Valid, 11711 SdHoareTripleChecker+Invalid, 3524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 3421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:24:03,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1079 Valid, 11711 Invalid, 3524 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [103 Valid, 3421 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-11-29 05:24:03,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2096 states. [2023-11-29 05:24:03,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2096 to 1403. [2023-11-29 05:24:03,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1403 states, 1354 states have (on average 1.4542097488921713) internal successors, (1969), 1362 states have internal predecessors, (1969), 30 states have call successors, (30), 12 states have call predecessors, (30), 15 states have return successors, (36), 28 states have call predecessors, (36), 30 states have call successors, (36) [2023-11-29 05:24:03,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1403 states and 2035 transitions. [2023-11-29 05:24:03,890 INFO L78 Accepts]: Start accepts. Automaton has 1403 states and 2035 transitions. Word has length 126 [2023-11-29 05:24:03,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:24:03,891 INFO L495 AbstractCegarLoop]: Abstraction has 1403 states and 2035 transitions. [2023-11-29 05:24:03,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 24 states have (on average 4.625) internal successors, (111), 24 states have internal predecessors, (111), 6 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2023-11-29 05:24:03,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 2035 transitions. [2023-11-29 05:24:03,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-29 05:24:03,893 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:24:03,893 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:24:03,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-29 05:24:04,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-29 05:24:04,094 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 05:24:04,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:24:04,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1306555362, now seen corresponding path program 1 times [2023-11-29 05:24:04,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:24:04,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347918182] [2023-11-29 05:24:04,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:24:04,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:24:04,148 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:24:04,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1288456027] [2023-11-29 05:24:04,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:24:04,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:24:04,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:24:04,149 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:24:04,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-29 05:24:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:24:04,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 944 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-29 05:24:04,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:24:04,701 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-29 05:24:04,701 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:24:04,824 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-29 05:24:04,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:24:04,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347918182] [2023-11-29 05:24:04,824 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:24:04,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288456027] [2023-11-29 05:24:04,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1288456027] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:24:04,825 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:24:04,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 12 [2023-11-29 05:24:04,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441943854] [2023-11-29 05:24:04,825 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:24:04,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:24:04,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:24:04,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:24:04,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:24:04,826 INFO L87 Difference]: Start difference. First operand 1403 states and 2035 transitions. Second operand has 12 states, 10 states have (on average 11.9) internal successors, (119), 12 states have internal predecessors, (119), 3 states have call successors, (13), 2 states have call predecessors, (13), 6 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-29 05:24:05,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:24:05,115 INFO L93 Difference]: Finished difference Result 2597 states and 3787 transitions. [2023-11-29 05:24:05,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 05:24:05,116 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 11.9) internal successors, (119), 12 states have internal predecessors, (119), 3 states have call successors, (13), 2 states have call predecessors, (13), 6 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 126 [2023-11-29 05:24:05,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:24:05,123 INFO L225 Difference]: With dead ends: 2597 [2023-11-29 05:24:05,123 INFO L226 Difference]: Without dead ends: 1388 [2023-11-29 05:24:05,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2023-11-29 05:24:05,126 INFO L413 NwaCegarLoop]: 582 mSDtfsCounter, 17 mSDsluCounter, 4620 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 5202 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:24:05,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 5202 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 05:24:05,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1388 states. [2023-11-29 05:24:05,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1388 to 1387. [2023-11-29 05:24:05,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1387 states, 1343 states have (on average 1.4579300074460164) internal successors, (1958), 1350 states have internal predecessors, (1958), 28 states have call successors, (28), 11 states have call predecessors, (28), 12 states have return successors, (29), 25 states have call predecessors, (29), 28 states have call successors, (29) [2023-11-29 05:24:05,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1387 states and 2015 transitions. [2023-11-29 05:24:05,190 INFO L78 Accepts]: Start accepts. Automaton has 1387 states and 2015 transitions. Word has length 126 [2023-11-29 05:24:05,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:24:05,191 INFO L495 AbstractCegarLoop]: Abstraction has 1387 states and 2015 transitions. [2023-11-29 05:24:05,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 11.9) internal successors, (119), 12 states have internal predecessors, (119), 3 states have call successors, (13), 2 states have call predecessors, (13), 6 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-29 05:24:05,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 2015 transitions. [2023-11-29 05:24:05,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 05:24:05,193 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:24:05,193 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:24:05,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-29 05:24:05,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-29 05:24:05,393 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 05:24:05,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:24:05,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1978174756, now seen corresponding path program 2 times [2023-11-29 05:24:05,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:24:05,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185472155] [2023-11-29 05:24:05,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:24:05,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:24:05,449 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:24:05,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [502786054] [2023-11-29 05:24:05,450 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 05:24:05,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:24:05,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:24:05,451 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:24:05,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-29 05:24:06,602 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 05:24:06,602 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 05:24:06,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 05:24:06,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:24:31,414 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-29 05:24:31,414 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:24:31,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:24:31,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185472155] [2023-11-29 05:24:31,415 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:24:31,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502786054] [2023-11-29 05:24:31,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502786054] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:24:31,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:24:31,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:24:31,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011232410] [2023-11-29 05:24:31,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:24:31,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:24:31,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:24:31,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:24:31,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:24:31,417 INFO L87 Difference]: Start difference. First operand 1387 states and 2015 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-29 05:24:36,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:24:40,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:24:44,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:24:48,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:24:53,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:24:53,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:24:53,733 INFO L93 Difference]: Finished difference Result 2645 states and 3855 transitions. [2023-11-29 05:24:53,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 05:24:53,734 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 130 [2023-11-29 05:24:53,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:24:53,741 INFO L225 Difference]: With dead ends: 2645 [2023-11-29 05:24:53,741 INFO L226 Difference]: Without dead ends: 1405 [2023-11-29 05:24:53,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 124 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:24:53,744 INFO L413 NwaCegarLoop]: 583 mSDtfsCounter, 17 mSDsluCounter, 2354 mSDsCounter, 0 mSdLazyCounter, 715 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2937 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 715 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:24:53,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2937 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 715 Invalid, 5 Unknown, 0 Unchecked, 22.2s Time] [2023-11-29 05:24:53,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1405 states. [2023-11-29 05:24:53,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1405 to 1387. [2023-11-29 05:24:53,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1387 states, 1343 states have (on average 1.4579300074460164) internal successors, (1958), 1350 states have internal predecessors, (1958), 28 states have call successors, (28), 11 states have call predecessors, (28), 12 states have return successors, (29), 25 states have call predecessors, (29), 28 states have call successors, (29) [2023-11-29 05:24:53,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1387 states and 2015 transitions. [2023-11-29 05:24:53,800 INFO L78 Accepts]: Start accepts. Automaton has 1387 states and 2015 transitions. Word has length 130 [2023-11-29 05:24:53,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:24:53,800 INFO L495 AbstractCegarLoop]: Abstraction has 1387 states and 2015 transitions. [2023-11-29 05:24:53,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-29 05:24:53,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 2015 transitions. [2023-11-29 05:24:53,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 05:24:53,802 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:24:53,802 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:24:53,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-29 05:24:54,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-29 05:24:54,003 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 05:24:54,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:24:54,003 INFO L85 PathProgramCache]: Analyzing trace with hash 612702266, now seen corresponding path program 1 times [2023-11-29 05:24:54,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:24:54,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477387744] [2023-11-29 05:24:54,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:24:54,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:24:54,062 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:24:54,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1649202824] [2023-11-29 05:24:54,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:24:54,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:24:54,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:24:54,064 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:24:54,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-29 05:24:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:24:54,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 1011 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:24:54,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:24:54,615 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-29 05:24:54,616 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:24:54,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:24:54,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477387744] [2023-11-29 05:24:54,616 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:24:54,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649202824] [2023-11-29 05:24:54,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649202824] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:24:54,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:24:54,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:24:54,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371150546] [2023-11-29 05:24:54,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:24:54,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:24:54,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:24:54,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:24:54,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:24:54,618 INFO L87 Difference]: Start difference. First operand 1387 states and 2015 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-29 05:24:54,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:24:54,767 INFO L93 Difference]: Finished difference Result 2853 states and 4200 transitions. [2023-11-29 05:24:54,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:24:54,768 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 130 [2023-11-29 05:24:54,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:24:54,776 INFO L225 Difference]: With dead ends: 2853 [2023-11-29 05:24:54,776 INFO L226 Difference]: Without dead ends: 1583 [2023-11-29 05:24:54,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:24:54,778 INFO L413 NwaCegarLoop]: 581 mSDtfsCounter, 141 mSDsluCounter, 1713 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 2294 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:24:54,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 2294 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:24:54,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1583 states. [2023-11-29 05:24:54,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1583 to 1376. [2023-11-29 05:24:54,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1376 states, 1332 states have (on average 1.4534534534534536) internal successors, (1936), 1339 states have internal predecessors, (1936), 28 states have call successors, (28), 11 states have call predecessors, (28), 12 states have return successors, (29), 25 states have call predecessors, (29), 28 states have call successors, (29) [2023-11-29 05:24:54,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1376 states and 1993 transitions. [2023-11-29 05:24:54,832 INFO L78 Accepts]: Start accepts. Automaton has 1376 states and 1993 transitions. Word has length 130 [2023-11-29 05:24:54,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:24:54,832 INFO L495 AbstractCegarLoop]: Abstraction has 1376 states and 1993 transitions. [2023-11-29 05:24:54,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-29 05:24:54,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 1993 transitions. [2023-11-29 05:24:54,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 05:24:54,834 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:24:54,834 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:24:54,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-11-29 05:24:55,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:24:55,035 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 05:24:55,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:24:55,035 INFO L85 PathProgramCache]: Analyzing trace with hash 994517895, now seen corresponding path program 1 times [2023-11-29 05:24:55,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:24:55,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878697058] [2023-11-29 05:24:55,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:24:55,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:24:55,081 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:24:55,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1109399503] [2023-11-29 05:24:55,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:24:55,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:24:55,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:24:55,082 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:24:55,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-29 05:24:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:24:55,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 1015 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-29 05:24:55,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:24:55,652 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 32 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 05:24:55,652 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:24:55,875 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 05:24:55,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:24:55,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878697058] [2023-11-29 05:24:55,876 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:24:55,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109399503] [2023-11-29 05:24:55,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109399503] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:24:55,876 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:24:55,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8] total 19 [2023-11-29 05:24:55,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169766110] [2023-11-29 05:24:55,877 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:24:55,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-29 05:24:55,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:24:55,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-29 05:24:55,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2023-11-29 05:24:55,879 INFO L87 Difference]: Start difference. First operand 1376 states and 1993 transitions. Second operand has 19 states, 17 states have (on average 7.588235294117647) internal successors, (129), 19 states have internal predecessors, (129), 3 states have call successors, (13), 2 states have call predecessors, (13), 6 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-29 05:24:56,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:24:56,975 INFO L93 Difference]: Finished difference Result 2477 states and 3598 transitions. [2023-11-29 05:24:56,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-29 05:24:56,976 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 7.588235294117647) internal successors, (129), 19 states have internal predecessors, (129), 3 states have call successors, (13), 2 states have call predecessors, (13), 6 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 132 [2023-11-29 05:24:56,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:24:56,981 INFO L225 Difference]: With dead ends: 2477 [2023-11-29 05:24:56,981 INFO L226 Difference]: Without dead ends: 1152 [2023-11-29 05:24:56,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=200, Invalid=670, Unknown=0, NotChecked=0, Total=870 [2023-11-29 05:24:56,983 INFO L413 NwaCegarLoop]: 502 mSDtfsCounter, 112 mSDsluCounter, 6392 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 6894 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 05:24:56,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 6894 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 05:24:56,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152 states. [2023-11-29 05:24:57,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 1151. [2023-11-29 05:24:57,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1151 states, 1107 states have (on average 1.4372177055103885) internal successors, (1591), 1114 states have internal predecessors, (1591), 28 states have call successors, (28), 11 states have call predecessors, (28), 12 states have return successors, (29), 25 states have call predecessors, (29), 28 states have call successors, (29) [2023-11-29 05:24:57,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 1648 transitions. [2023-11-29 05:24:57,031 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 1648 transitions. Word has length 132 [2023-11-29 05:24:57,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:24:57,031 INFO L495 AbstractCegarLoop]: Abstraction has 1151 states and 1648 transitions. [2023-11-29 05:24:57,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 7.588235294117647) internal successors, (129), 19 states have internal predecessors, (129), 3 states have call successors, (13), 2 states have call predecessors, (13), 6 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-29 05:24:57,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1648 transitions. [2023-11-29 05:24:57,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-29 05:24:57,033 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:24:57,033 INFO L195 NwaCegarLoop]: trace histogram [15, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:24:57,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-11-29 05:24:57,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:24:57,234 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 05:24:57,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:24:57,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1726670648, now seen corresponding path program 2 times [2023-11-29 05:24:57,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:24:57,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877965136] [2023-11-29 05:24:57,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:24:57,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:24:57,312 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:24:57,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1278772503] [2023-11-29 05:24:57,313 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 05:24:57,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:24:57,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:24:57,314 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:24:57,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-29 05:24:58,729 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 05:24:58,730 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 05:24:58,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-29 05:24:58,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:24:59,394 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2023-11-29 05:24:59,394 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:24:59,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:24:59,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877965136] [2023-11-29 05:24:59,394 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:24:59,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278772503] [2023-11-29 05:24:59,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278772503] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:24:59,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:24:59,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 05:24:59,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208467711] [2023-11-29 05:24:59,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:24:59,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 05:24:59,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:24:59,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 05:24:59,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:24:59,396 INFO L87 Difference]: Start difference. First operand 1151 states and 1648 transitions. Second operand has 10 states, 10 states have (on average 10.3) internal successors, (103), 10 states have internal predecessors, (103), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-29 05:25:01,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:25:01,806 INFO L93 Difference]: Finished difference Result 2288 states and 3293 transitions. [2023-11-29 05:25:01,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 05:25:01,806 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.3) internal successors, (103), 10 states have internal predecessors, (103), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 141 [2023-11-29 05:25:01,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:25:01,813 INFO L225 Difference]: With dead ends: 2288 [2023-11-29 05:25:01,813 INFO L226 Difference]: Without dead ends: 1193 [2023-11-29 05:25:01,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:25:01,815 INFO L413 NwaCegarLoop]: 506 mSDtfsCounter, 23 mSDsluCounter, 3647 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 4153 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-29 05:25:01,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 4153 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-29 05:25:01,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2023-11-29 05:25:01,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 1184. [2023-11-29 05:25:01,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1184 states, 1140 states have (on average 1.432456140350877) internal successors, (1633), 1147 states have internal predecessors, (1633), 28 states have call successors, (28), 11 states have call predecessors, (28), 12 states have return successors, (29), 25 states have call predecessors, (29), 28 states have call successors, (29) [2023-11-29 05:25:01,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 1690 transitions. [2023-11-29 05:25:01,847 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 1690 transitions. Word has length 141 [2023-11-29 05:25:01,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:25:01,847 INFO L495 AbstractCegarLoop]: Abstraction has 1184 states and 1690 transitions. [2023-11-29 05:25:01,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.3) internal successors, (103), 10 states have internal predecessors, (103), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-29 05:25:01,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1690 transitions. [2023-11-29 05:25:01,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-29 05:25:01,848 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:25:01,848 INFO L195 NwaCegarLoop]: trace histogram [15, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:25:01,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-11-29 05:25:02,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-11-29 05:25:02,049 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 05:25:02,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:25:02,049 INFO L85 PathProgramCache]: Analyzing trace with hash 710437404, now seen corresponding path program 1 times [2023-11-29 05:25:02,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:25:02,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096425840] [2023-11-29 05:25:02,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:25:02,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:25:02,105 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:25:02,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [265377861] [2023-11-29 05:25:02,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:25:02,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:25:02,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:25:02,106 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:25:02,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c9855a-4af1-4206-9b64-8aa900394978/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-29 05:25:02,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:02,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 1148 conjuncts, 192 conjunts are in the unsatisfiable core [2023-11-29 05:25:02,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:25:02,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 05:25:02,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 05:25:03,069 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-29 05:25:03,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-11-29 05:25:03,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 05:25:03,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2023-11-29 05:25:03,511 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 05:25:03,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 33 [2023-11-29 05:25:03,611 INFO L349 Elim1Store]: treesize reduction 100, result has 4.8 percent of original size [2023-11-29 05:25:03,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 7908 treesize of output 6612 [2023-11-29 05:25:03,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 05:25:03,828 INFO L349 Elim1Store]: treesize reduction 347, result has 18.9 percent of original size [2023-11-29 05:25:03,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 13 case distinctions, treesize of input 692 treesize of output 649 [2023-11-29 05:25:03,886 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 596 treesize of output 504 [2023-11-29 05:25:03,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 548 treesize of output 504 [2023-11-29 05:25:03,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 420 treesize of output 386 [2023-11-29 05:25:04,098 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 05:25:04,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 19141 treesize of output 17535 [2023-11-29 05:25:04,179 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 05:25:04,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 13557 treesize of output 12907 [2023-11-29 05:25:04,296 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 05:25:04,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 16952 treesize of output 16717 [2023-11-29 05:25:04,350 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 05:25:04,351 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 8722 treesize of output 8103 [2023-11-29 05:25:04,429 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 05:25:04,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 18707 treesize of output 18320 [2023-11-29 05:25:04,489 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 05:25:04,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 15407 treesize of output 14373 [2023-11-29 05:25:04,541 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 05:25:04,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 4640 treesize of output 1 [2023-11-29 05:25:04,607 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 05:25:04,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 10499 treesize of output 10309 [2023-11-29 05:25:04,655 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 05:25:04,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 7908 treesize of output 1 [2023-11-29 05:25:04,711 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 05:25:04,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 19141 treesize of output 17535 [2023-11-29 05:25:04,820 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 05:25:04,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 13557 treesize of output 12907 [2023-11-29 05:25:04,983 INFO L349 Elim1Store]: treesize reduction 2236, result has 0.0 percent of original size [2023-11-29 05:25:04,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 15 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 19 new quantified variables, introduced 36 case distinctions, treesize of input 28027 treesize of output 26583 [2023-11-29 05:25:05,037 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 05:25:05,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 10321 treesize of output 9041 [2023-11-29 05:25:05,129 INFO L349 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-29 05:25:05,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 20 new quantified variables, introduced 38 case distinctions, treesize of input 35643 treesize of output 32274 [2023-11-29 05:25:05,198 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 05:25:05,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 19467 treesize of output 17793 [2023-11-29 05:25:05,241 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 05:25:05,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 6023 treesize of output 1 [2023-11-29 05:25:05,301 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 05:25:05,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 10480 treesize of output 10544 [2023-11-29 05:25:05,422 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 05:25:05,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 21170 treesize of output 20587 [2023-11-29 05:25:05,536 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 05:25:05,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 19370 treesize of output 18939 [2023-11-29 05:25:05,588 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 05:25:05,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 10122 treesize of output 9363 [2023-11-29 05:25:05,703 INFO L349 Elim1Store]: treesize reduction 1672, result has 0.1 percent of original size [2023-11-29 05:25:05,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 16 new quantified variables, introduced 27 case distinctions, treesize of input 9045 treesize of output 10400 [2023-11-29 05:25:05,744 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 05:25:05,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 6837 treesize of output 6127 [2023-11-29 05:25:05,810 INFO L349 Elim1Store]: treesize reduction 1672, result has 0.1 percent of original size [2023-11-29 05:25:05,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 16 new quantified variables, introduced 27 case distinctions, treesize of input 8700 treesize of output 10079 [2023-11-29 05:25:05,866 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 05:25:05,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 8855 treesize of output 8885 [2023-11-29 05:25:05,914 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 05:25:05,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 12833 treesize of output 12185 [2023-11-29 05:25:05,947 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 05:25:05,947 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 3794 treesize of output 1 [2023-11-29 05:25:06,001 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 05:25:06,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 11913 treesize of output 11483 [2023-11-29 05:25:06,054 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 05:25:06,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 16567 treesize of output 15347 [2023-11-29 05:25:06,098 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 05:25:06,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 6698 treesize of output 1 [2023-11-29 05:25:06,212 INFO L349 Elim1Store]: treesize reduction 2236, result has 0.0 percent of original size [2023-11-29 05:25:06,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 15 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 19 new quantified variables, introduced 36 case distinctions, treesize of input 24805 treesize of output 23907 [2023-11-29 05:25:06,271 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 05:25:06,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 8928 treesize of output 7818 [2023-11-29 05:25:06,402 INFO L349 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-29 05:25:06,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 20 new quantified variables, introduced 38 case distinctions, treesize of input 31461 treesize of output 28782 [2023-11-29 05:25:06,462 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 05:25:06,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 9197 treesize of output 9445 [2023-11-29 05:25:06,518 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 05:25:06,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 16893 treesize of output 15605 [2023-11-29 05:25:06,558 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 05:25:06,558 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 5084 treesize of output 1 [2023-11-29 05:25:06,613 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 05:25:06,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 11913 treesize of output 11483 [2023-11-29 05:25:06,679 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 05:25:06,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 16567 treesize of output 15347 [2023-11-29 05:25:06,725 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 05:25:06,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 6698 treesize of output 1 [2023-11-29 05:25:06,820 INFO L349 Elim1Store]: treesize reduction 1672, result has 0.1 percent of original size [2023-11-29 05:25:06,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 16 new quantified variables, introduced 27 case distinctions, treesize of input 10171 treesize of output 11422 [2023-11-29 05:25:06,866 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 05:25:06,868 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 8818 treesize of output 8217 [2023-11-29 05:25:06,956 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 05:25:06,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 17232 treesize of output 17063 [2023-11-29 05:25:07,030 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 05:25:07,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 8268 treesize of output 8853 [2023-11-29 05:25:07,093 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 05:25:07,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 5161 treesize of output 1 [2023-11-29 05:25:07,140 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 05:25:07,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 16970 treesize of output 15670 [2023-11-29 05:25:07,247 INFO L349 Elim1Store]: treesize reduction 2236, result has 0.0 percent of original size [2023-11-29 05:25:07,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 15 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 19 new quantified variables, introduced 36 case distinctions, treesize of input 23575 treesize of output 22809 [2023-11-29 05:25:07,298 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 05:25:07,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 9079 treesize of output 7941 [2023-11-29 05:25:07,421 INFO L349 Elim1Store]: treesize reduction 2236, result has 0.0 percent of original size [2023-11-29 05:25:07,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 15 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 19 new quantified variables, introduced 36 case distinctions, treesize of input 24956 treesize of output 24030 [2023-11-29 05:25:07,489 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 05:25:07,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 11610 treesize of output 11216 [2023-11-29 05:25:07,548 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 05:25:07,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 16644 treesize of output 15412 [2023-11-29 05:25:07,599 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 05:25:07,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 6775 treesize of output 1 [2023-11-29 05:25:07,674 INFO L349 Elim1Store]: treesize reduction 1672, result has 0.1 percent of original size [2023-11-29 05:25:07,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 16 new quantified variables, introduced 27 case distinctions, treesize of input 10275 treesize of output 11510 [2023-11-29 05:25:07,776 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 05:25:07,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 17336 treesize of output 17151 [2023-11-29 05:25:07,814 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 05:25:07,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 8922 treesize of output 8305 [2023-11-29 05:25:07,903 INFO L349 Elim1Store]: treesize reduction 1672, result has 0.1 percent of original size [2023-11-29 05:25:07,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 16 new quantified variables, introduced 27 case distinctions, treesize of input 8804 treesize of output 10167 [2023-11-29 05:25:07,955 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 05:25:07,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 6941 treesize of output 6215 [2023-11-29 05:25:08,036 INFO L349 Elim1Store]: treesize reduction 1672, result has 0.1 percent of original size [2023-11-29 05:25:08,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 16 new quantified variables, introduced 27 case distinctions, treesize of input 9149 treesize of output 10488 [2023-11-29 05:25:08,090 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 05:25:08,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 11610 treesize of output 11216 [2023-11-29 05:25:08,150 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 05:25:08,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 16644 treesize of output 15412 [2023-11-29 05:25:08,229 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 05:25:08,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 6775 treesize of output 1 [2023-11-29 05:25:08,287 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 05:25:08,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 8552 treesize of output 8618 [2023-11-29 05:25:08,319 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 05:25:08,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 3871 treesize of output 1 [2023-11-29 05:25:08,369 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 05:25:08,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 12910 treesize of output 12250 [2023-11-29 05:25:08,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-29 05:25:17,832 INFO L349 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2023-11-29 05:25:17,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2023-11-29 05:25:18,034 INFO L349 Elim1Store]: treesize reduction 507, result has 11.8 percent of original size [2023-11-29 05:25:18,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 7 new quantified variables, introduced 7 case distinctions, treesize of input 690 treesize of output 500 [2023-11-29 05:25:18,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 05:25:18,061 INFO L349 Elim1Store]: treesize reduction 43, result has 28.3 percent of original size [2023-11-29 05:25:18,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 352 treesize of output 301 [2023-11-29 05:25:18,205 INFO L349 Elim1Store]: treesize reduction 167, result has 0.6 percent of original size [2023-11-29 05:25:18,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 504 treesize of output 358 [2023-11-29 05:25:18,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 05:25:30,040 WARN L293 SmtUtils]: Spent 10.28s on a formula simplification. DAG size of input: 997 DAG size of output: 170 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-11-29 05:25:30,040 INFO L349 Elim1Store]: treesize reduction 7028, result has 5.8 percent of original size [2023-11-29 05:25:30,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 21 select indices, 21 select index equivalence classes, 3 disjoint index pairs (out of 210 index pairs), introduced 36 new quantified variables, introduced 235 case distinctions, treesize of input 10824 treesize of output 6924 [2023-11-29 05:25:32,495 INFO L349 Elim1Store]: treesize reduction 3162, result has 6.7 percent of original size [2023-11-29 05:25:32,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 17 new quantified variables, introduced 59 case distinctions, treesize of input 4465 treesize of output 3982 [2023-11-29 05:25:32,830 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:25:32,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 3952 treesize of output 3876 [2023-11-29 05:25:32,943 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:25:32,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 3874 treesize of output 3724 [2023-11-29 05:25:33,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 3291 treesize of output 3227 [2023-11-29 05:25:33,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 3227 treesize of output 3099 [2023-11-29 05:25:33,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 3099 treesize of output 3039 [2023-11-29 05:25:33,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 3039 treesize of output 2919 [2023-11-29 05:25:42,537 INFO L349 Elim1Store]: treesize reduction 4176, result has 9.4 percent of original size [2023-11-29 05:25:42,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 29 select indices, 29 select index equivalence classes, 21 disjoint index pairs (out of 406 index pairs), introduced 36 new quantified variables, introduced 434 case distinctions, treesize of input 1046 treesize of output 948 [2023-11-29 05:25:43,053 INFO L349 Elim1Store]: treesize reduction 1286, result has 10.8 percent of original size [2023-11-29 05:25:43,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 21 new quantified variables, introduced 89 case distinctions, treesize of input 954 treesize of output 773 [2023-11-29 05:26:59,047 WARN L293 SmtUtils]: Spent 5.34s on a formula simplification. DAG size of input: 461 DAG size of output: 461 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:28:24,470 WARN L293 SmtUtils]: Spent 9.42s on a formula simplification. DAG size of input: 655 DAG size of output: 655 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:28:43,231 WARN L293 SmtUtils]: Spent 9.38s on a formula simplification that was a NOOP. DAG size: 651 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:28:53,246 WARN L293 SmtUtils]: Spent 5.30s on a formula simplification that was a NOOP. DAG size: 1006 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:30:48,023 WARN L293 SmtUtils]: Spent 5.36s on a formula simplification that was a NOOP. DAG size: 1007 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:32:41,212 WARN L293 SmtUtils]: Spent 38.08s on a formula simplification. DAG size of input: 1023 DAG size of output: 1023 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:33:19,754 WARN L293 SmtUtils]: Spent 19.43s on a formula simplification that was a NOOP. DAG size: 1017 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:33:58,191 WARN L293 SmtUtils]: Spent 38.43s on a formula simplification that was a NOOP. DAG size: 1020 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:34:40,233 WARN L293 SmtUtils]: Spent 22.59s on a formula simplification that was a NOOP. DAG size: 1731 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:36:55,055 WARN L293 SmtUtils]: Spent 23.02s on a formula simplification that was a NOOP. DAG size: 1732 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)