./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/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_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fb9014c2bb85c9a9ac54681a12eb8ca24c098d06a79f65deadf00655e1ea97ed --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:17:13,350 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:17:13,419 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-29 03:17:13,423 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:17:13,424 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:17:13,450 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:17:13,451 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:17:13,451 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:17:13,452 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:17:13,452 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:17:13,453 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:17:13,453 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:17:13,454 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:17:13,455 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:17:13,455 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:17:13,456 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:17:13,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:17:13,457 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:17:13,457 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:17:13,458 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:17:13,459 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:17:13,459 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:17:13,460 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 03:17:13,460 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 03:17:13,461 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:17:13,461 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:17:13,461 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:17:13,462 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:17:13,462 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:17:13,463 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:17:13,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:17:13,463 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:17:13,464 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:17:13,464 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:17:13,464 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:17:13,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 03:17:13,465 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:17:13,465 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:17:13,465 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:17:13,465 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:17:13,465 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:17:13,466 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_1ad804c7-2faf-4d40-9c61-25671ae65ad6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb9014c2bb85c9a9ac54681a12eb8ca24c098d06a79f65deadf00655e1ea97ed [2023-11-29 03:17:13,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:17:13,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:17:13,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:17:13,709 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:17:13,709 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:17:13,711 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i [2023-11-29 03:17:16,516 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:17:16,886 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:17:16,887 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/sv-benchmarks/c/busybox-1.22.0/uudecode-1.i [2023-11-29 03:17:16,917 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/data/498648c0c/5058fb6042564e61b5e4ecc28da3a6fc/FLAGeefeb31e0 [2023-11-29 03:17:16,931 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/data/498648c0c/5058fb6042564e61b5e4ecc28da3a6fc [2023-11-29 03:17:16,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:17:16,935 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:17:16,937 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:17:16,937 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:17:16,942 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:17:16,943 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:17:16" (1/1) ... [2023-11-29 03:17:16,944 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6001cbd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:17:16, skipping insertion in model container [2023-11-29 03:17:16,944 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:17:16" (1/1) ... [2023-11-29 03:17:17,022 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:17:18,307 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:17:18,337 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:17:18,538 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:17:18,767 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:17:18,768 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:17:18,768 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:17:18,768 WARN L675 CHandler]: The function decode_fn_ptr is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:17:18,768 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:17:18,768 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:17:18,768 WARN L675 CHandler]: The function fwrite is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:17:18,769 WARN L675 CHandler]: The function fgetc is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:17:18,777 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:17:18,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:17:18 WrapperNode [2023-11-29 03:17:18,778 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:17:18,779 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:17:18,779 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:17:18,779 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:17:18,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:17:18" (1/1) ... [2023-11-29 03:17:18,859 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:17:18" (1/1) ... [2023-11-29 03:17:18,974 INFO L138 Inliner]: procedures = 620, calls = 857, calls flagged for inlining = 37, calls inlined = 36, statements flattened = 2887 [2023-11-29 03:17:18,975 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:17:18,975 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:17:18,975 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:17:18,975 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:17:18,987 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:17:18" (1/1) ... [2023-11-29 03:17:18,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:17:18" (1/1) ... [2023-11-29 03:17:19,005 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:17:18" (1/1) ... [2023-11-29 03:17:19,131 INFO L175 MemorySlicer]: Split 610 memory accesses to 59 slices as follows [7, 4, 2, 3, 2, 5, 5, 5, 6, 6, 6, 6, 5, 4, 17, 4, 4, 5, 5, 20, 5, 5, 4, 38, 4, 9, 35, 1, 1, 1, 1, 7, 7, 7, 7, 6, 8, 8, 8, 8, 7, 7, 3, 53, 2, 18, 17, 66, 3, 1, 1, 48, 3, 32, 2, 3, 44, 2, 7]. 11 percent of accesses are in the largest equivalence class. The 266 initializations are split as follows [0, 0, 2, 3, 2, 5, 5, 5, 5, 5, 5, 5, 5, 4, 0, 4, 4, 4, 4, 0, 4, 4, 4, 20, 0, 0, 6, 0, 0, 0, 0, 7, 7, 7, 7, 0, 7, 7, 7, 7, 7, 7, 0, 18, 2, 1, 4, 66, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 88 writes are split as follows [7, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 3, 0, 0, 0, 14, 2, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 12, 0, 8, 4, 0, 0, 1, 1, 0, 3, 8, 1, 0, 12, 1, 1]. [2023-11-29 03:17:19,131 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:17:18" (1/1) ... [2023-11-29 03:17:19,132 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:17:18" (1/1) ... [2023-11-29 03:17:19,316 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:17:18" (1/1) ... [2023-11-29 03:17:19,350 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:17:18" (1/1) ... [2023-11-29 03:17:19,507 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:17:18" (1/1) ... [2023-11-29 03:17:19,531 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:17:18" (1/1) ... [2023-11-29 03:17:19,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:17:19,599 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:17:19,599 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:17:19,599 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:17:19,600 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:17:18" (1/1) ... [2023-11-29 03:17:19,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:17:19,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:17:19,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:17:19,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:17:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-29 03:17:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#0 [2023-11-29 03:17:19,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#1 [2023-11-29 03:17:19,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#2 [2023-11-29 03:17:19,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#3 [2023-11-29 03:17:19,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#4 [2023-11-29 03:17:19,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#5 [2023-11-29 03:17:19,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#6 [2023-11-29 03:17:19,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#7 [2023-11-29 03:17:19,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#8 [2023-11-29 03:17:19,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#9 [2023-11-29 03:17:19,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#10 [2023-11-29 03:17:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#11 [2023-11-29 03:17:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#12 [2023-11-29 03:17:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#13 [2023-11-29 03:17:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#14 [2023-11-29 03:17:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#15 [2023-11-29 03:17:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#16 [2023-11-29 03:17:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#17 [2023-11-29 03:17:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#18 [2023-11-29 03:17:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#19 [2023-11-29 03:17:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#20 [2023-11-29 03:17:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#21 [2023-11-29 03:17:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#22 [2023-11-29 03:17:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#23 [2023-11-29 03:17:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#24 [2023-11-29 03:17:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#25 [2023-11-29 03:17:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#26 [2023-11-29 03:17:19,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#27 [2023-11-29 03:17:19,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#28 [2023-11-29 03:17:19,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#29 [2023-11-29 03:17:19,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#30 [2023-11-29 03:17:19,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#31 [2023-11-29 03:17:19,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#32 [2023-11-29 03:17:19,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#33 [2023-11-29 03:17:19,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#34 [2023-11-29 03:17:19,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#35 [2023-11-29 03:17:19,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#36 [2023-11-29 03:17:19,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#37 [2023-11-29 03:17:19,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#38 [2023-11-29 03:17:19,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#39 [2023-11-29 03:17:19,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#40 [2023-11-29 03:17:19,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#41 [2023-11-29 03:17:19,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#42 [2023-11-29 03:17:19,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#43 [2023-11-29 03:17:19,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#44 [2023-11-29 03:17:19,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#45 [2023-11-29 03:17:19,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#46 [2023-11-29 03:17:19,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#47 [2023-11-29 03:17:19,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#48 [2023-11-29 03:17:19,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#49 [2023-11-29 03:17:19,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#50 [2023-11-29 03:17:19,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#51 [2023-11-29 03:17:19,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#52 [2023-11-29 03:17:19,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#53 [2023-11-29 03:17:19,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#54 [2023-11-29 03:17:19,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#55 [2023-11-29 03:17:19,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#56 [2023-11-29 03:17:19,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#57 [2023-11-29 03:17:19,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#58 [2023-11-29 03:17:19,695 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#0 [2023-11-29 03:17:19,695 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#1 [2023-11-29 03:17:19,695 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#2 [2023-11-29 03:17:19,695 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#3 [2023-11-29 03:17:19,696 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#4 [2023-11-29 03:17:19,696 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#5 [2023-11-29 03:17:19,696 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#6 [2023-11-29 03:17:19,696 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#7 [2023-11-29 03:17:19,696 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#8 [2023-11-29 03:17:19,696 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#9 [2023-11-29 03:17:19,697 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#10 [2023-11-29 03:17:19,697 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#11 [2023-11-29 03:17:19,697 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#12 [2023-11-29 03:17:19,697 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#13 [2023-11-29 03:17:19,697 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#14 [2023-11-29 03:17:19,697 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#15 [2023-11-29 03:17:19,698 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#16 [2023-11-29 03:17:19,698 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#17 [2023-11-29 03:17:19,698 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#18 [2023-11-29 03:17:19,698 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#19 [2023-11-29 03:17:19,698 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#20 [2023-11-29 03:17:19,698 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#21 [2023-11-29 03:17:19,699 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#22 [2023-11-29 03:17:19,699 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#23 [2023-11-29 03:17:19,699 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#24 [2023-11-29 03:17:19,699 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#25 [2023-11-29 03:17:19,699 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#26 [2023-11-29 03:17:19,699 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#27 [2023-11-29 03:17:19,699 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#28 [2023-11-29 03:17:19,700 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#29 [2023-11-29 03:17:19,700 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#30 [2023-11-29 03:17:19,700 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#31 [2023-11-29 03:17:19,700 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#32 [2023-11-29 03:17:19,700 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#33 [2023-11-29 03:17:19,700 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#34 [2023-11-29 03:17:19,701 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#35 [2023-11-29 03:17:19,701 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#36 [2023-11-29 03:17:19,701 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#37 [2023-11-29 03:17:19,701 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#38 [2023-11-29 03:17:19,701 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#39 [2023-11-29 03:17:19,701 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#40 [2023-11-29 03:17:19,701 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#41 [2023-11-29 03:17:19,702 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#42 [2023-11-29 03:17:19,702 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#43 [2023-11-29 03:17:19,702 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#44 [2023-11-29 03:17:19,702 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#45 [2023-11-29 03:17:19,702 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#46 [2023-11-29 03:17:19,702 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#47 [2023-11-29 03:17:19,703 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#48 [2023-11-29 03:17:19,703 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#49 [2023-11-29 03:17:19,703 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#50 [2023-11-29 03:17:19,703 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#51 [2023-11-29 03:17:19,703 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#52 [2023-11-29 03:17:19,703 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#53 [2023-11-29 03:17:19,703 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#54 [2023-11-29 03:17:19,704 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#55 [2023-11-29 03:17:19,704 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#56 [2023-11-29 03:17:19,704 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#57 [2023-11-29 03:17:19,704 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#58 [2023-11-29 03:17:19,704 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2023-11-29 03:17:19,704 INFO L138 BoogieDeclarations]: Found implementation of procedure _IO_getc [2023-11-29 03:17:19,704 INFO L130 BoogieDeclarations]: Found specification of procedure xrealloc [2023-11-29 03:17:19,704 INFO L138 BoogieDeclarations]: Found implementation of procedure xrealloc [2023-11-29 03:17:19,705 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-29 03:17:19,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 03:17:19,705 INFO L130 BoogieDeclarations]: Found specification of procedure ret_ERANGE [2023-11-29 03:17:19,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ret_ERANGE [2023-11-29 03:17:19,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-29 03:17:19,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-29 03:17:19,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-29 03:17:19,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-29 03:17:19,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-29 03:17:19,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-29 03:17:19,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-29 03:17:19,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-29 03:17:19,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-29 03:17:19,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-29 03:17:19,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-29 03:17:19,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-29 03:17:19,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2023-11-29 03:17:19,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2023-11-29 03:17:19,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2023-11-29 03:17:19,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2023-11-29 03:17:19,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2023-11-29 03:17:19,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2023-11-29 03:17:19,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2023-11-29 03:17:19,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2023-11-29 03:17:19,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2023-11-29 03:17:19,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2023-11-29 03:17:19,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2023-11-29 03:17:19,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2023-11-29 03:17:19,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#24 [2023-11-29 03:17:19,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#25 [2023-11-29 03:17:19,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#26 [2023-11-29 03:17:19,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#27 [2023-11-29 03:17:19,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#28 [2023-11-29 03:17:19,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#29 [2023-11-29 03:17:19,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#30 [2023-11-29 03:17:19,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#31 [2023-11-29 03:17:19,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#32 [2023-11-29 03:17:19,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#33 [2023-11-29 03:17:19,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#34 [2023-11-29 03:17:19,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#35 [2023-11-29 03:17:19,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#36 [2023-11-29 03:17:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#37 [2023-11-29 03:17:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#38 [2023-11-29 03:17:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#39 [2023-11-29 03:17:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#40 [2023-11-29 03:17:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#41 [2023-11-29 03:17:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#42 [2023-11-29 03:17:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#43 [2023-11-29 03:17:19,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#44 [2023-11-29 03:17:19,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#45 [2023-11-29 03:17:19,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#46 [2023-11-29 03:17:19,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#47 [2023-11-29 03:17:19,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#48 [2023-11-29 03:17:19,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#49 [2023-11-29 03:17:19,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#50 [2023-11-29 03:17:19,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#51 [2023-11-29 03:17:19,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#52 [2023-11-29 03:17:19,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#53 [2023-11-29 03:17:19,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#54 [2023-11-29 03:17:19,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#55 [2023-11-29 03:17:19,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#56 [2023-11-29 03:17:19,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#57 [2023-11-29 03:17:19,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#58 [2023-11-29 03:17:19,714 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-29 03:17:19,714 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-29 03:17:19,714 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2023-11-29 03:17:19,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-29 03:17:19,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-29 03:17:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-29 03:17:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-29 03:17:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-29 03:17:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-29 03:17:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-29 03:17:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-29 03:17:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-29 03:17:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-29 03:17:19,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-29 03:17:19,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-29 03:17:19,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-29 03:17:19,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-29 03:17:19,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2023-11-29 03:17:19,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2023-11-29 03:17:19,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2023-11-29 03:17:19,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2023-11-29 03:17:19,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2023-11-29 03:17:19,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2023-11-29 03:17:19,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2023-11-29 03:17:19,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2023-11-29 03:17:19,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2023-11-29 03:17:19,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2023-11-29 03:17:19,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2023-11-29 03:17:19,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2023-11-29 03:17:19,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2023-11-29 03:17:19,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2023-11-29 03:17:19,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2023-11-29 03:17:19,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2023-11-29 03:17:19,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#30 [2023-11-29 03:17:19,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#31 [2023-11-29 03:17:19,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#32 [2023-11-29 03:17:19,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#33 [2023-11-29 03:17:19,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#34 [2023-11-29 03:17:19,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#35 [2023-11-29 03:17:19,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#36 [2023-11-29 03:17:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#37 [2023-11-29 03:17:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#38 [2023-11-29 03:17:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#39 [2023-11-29 03:17:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#40 [2023-11-29 03:17:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#41 [2023-11-29 03:17:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#42 [2023-11-29 03:17:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#43 [2023-11-29 03:17:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#44 [2023-11-29 03:17:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#45 [2023-11-29 03:17:19,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#46 [2023-11-29 03:17:19,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#47 [2023-11-29 03:17:19,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#48 [2023-11-29 03:17:19,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#49 [2023-11-29 03:17:19,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#50 [2023-11-29 03:17:19,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#51 [2023-11-29 03:17:19,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#52 [2023-11-29 03:17:19,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#53 [2023-11-29 03:17:19,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#54 [2023-11-29 03:17:19,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#55 [2023-11-29 03:17:19,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#56 [2023-11-29 03:17:19,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#57 [2023-11-29 03:17:19,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#58 [2023-11-29 03:17:19,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 03:17:19,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 03:17:19,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 03:17:19,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 03:17:19,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 03:17:19,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-29 03:17:19,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-29 03:17:19,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-29 03:17:19,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-29 03:17:19,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-29 03:17:19,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-29 03:17:19,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-29 03:17:19,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-29 03:17:19,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-29 03:17:19,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-29 03:17:19,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-29 03:17:19,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-29 03:17:19,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-29 03:17:19,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-29 03:17:19,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-29 03:17:19,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-29 03:17:19,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-29 03:17:19,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-11-29 03:17:19,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-11-29 03:17:19,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2023-11-29 03:17:19,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2023-11-29 03:17:19,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2023-11-29 03:17:19,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2023-11-29 03:17:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2023-11-29 03:17:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2023-11-29 03:17:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2023-11-29 03:17:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2023-11-29 03:17:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#32 [2023-11-29 03:17:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#33 [2023-11-29 03:17:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#34 [2023-11-29 03:17:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#35 [2023-11-29 03:17:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#36 [2023-11-29 03:17:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#37 [2023-11-29 03:17:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#38 [2023-11-29 03:17:19,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#39 [2023-11-29 03:17:19,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#40 [2023-11-29 03:17:19,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#41 [2023-11-29 03:17:19,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#42 [2023-11-29 03:17:19,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#43 [2023-11-29 03:17:19,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#44 [2023-11-29 03:17:19,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#45 [2023-11-29 03:17:19,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#46 [2023-11-29 03:17:19,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#47 [2023-11-29 03:17:19,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#48 [2023-11-29 03:17:19,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#49 [2023-11-29 03:17:19,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#50 [2023-11-29 03:17:19,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#51 [2023-11-29 03:17:19,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#52 [2023-11-29 03:17:19,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#53 [2023-11-29 03:17:19,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#54 [2023-11-29 03:17:19,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#55 [2023-11-29 03:17:19,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#56 [2023-11-29 03:17:19,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#57 [2023-11-29 03:17:19,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#58 [2023-11-29 03:17:19,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 03:17:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-29 03:17:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:17:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 03:17:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 03:17:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-29 03:17:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-29 03:17:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-29 03:17:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-29 03:17:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-29 03:17:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-29 03:17:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-29 03:17:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-29 03:17:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-29 03:17:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-29 03:17:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-29 03:17:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-29 03:17:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-29 03:17:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-29 03:17:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-29 03:17:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-29 03:17:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-29 03:17:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-29 03:17:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2023-11-29 03:17:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2023-11-29 03:17:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2023-11-29 03:17:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2023-11-29 03:17:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2023-11-29 03:17:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2023-11-29 03:17:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2023-11-29 03:17:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2023-11-29 03:17:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2023-11-29 03:17:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2023-11-29 03:17:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2023-11-29 03:17:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#31 [2023-11-29 03:17:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#32 [2023-11-29 03:17:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#33 [2023-11-29 03:17:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#34 [2023-11-29 03:17:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#35 [2023-11-29 03:17:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#36 [2023-11-29 03:17:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#37 [2023-11-29 03:17:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#38 [2023-11-29 03:17:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#39 [2023-11-29 03:17:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#40 [2023-11-29 03:17:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#41 [2023-11-29 03:17:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#42 [2023-11-29 03:17:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#43 [2023-11-29 03:17:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#44 [2023-11-29 03:17:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#45 [2023-11-29 03:17:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#46 [2023-11-29 03:17:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#47 [2023-11-29 03:17:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#48 [2023-11-29 03:17:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#49 [2023-11-29 03:17:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#50 [2023-11-29 03:17:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#51 [2023-11-29 03:17:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#52 [2023-11-29 03:17:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#53 [2023-11-29 03:17:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#54 [2023-11-29 03:17:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#55 [2023-11-29 03:17:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#56 [2023-11-29 03:17:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#57 [2023-11-29 03:17:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#58 [2023-11-29 03:17:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:17:19,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:17:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2023-11-29 03:17:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2023-11-29 03:17:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2023-11-29 03:17:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2023-11-29 03:17:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2023-11-29 03:17:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2023-11-29 03:17:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2023-11-29 03:17:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2023-11-29 03:17:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2023-11-29 03:17:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2023-11-29 03:17:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2023-11-29 03:17:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2023-11-29 03:17:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2023-11-29 03:17:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2023-11-29 03:17:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2023-11-29 03:17:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2023-11-29 03:17:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2023-11-29 03:17:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2023-11-29 03:17:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2023-11-29 03:17:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2023-11-29 03:17:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#20 [2023-11-29 03:17:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#21 [2023-11-29 03:17:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#22 [2023-11-29 03:17:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#23 [2023-11-29 03:17:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#24 [2023-11-29 03:17:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#25 [2023-11-29 03:17:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#26 [2023-11-29 03:17:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#27 [2023-11-29 03:17:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#28 [2023-11-29 03:17:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#29 [2023-11-29 03:17:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#30 [2023-11-29 03:17:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#31 [2023-11-29 03:17:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#32 [2023-11-29 03:17:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#33 [2023-11-29 03:17:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#34 [2023-11-29 03:17:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#35 [2023-11-29 03:17:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#36 [2023-11-29 03:17:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#37 [2023-11-29 03:17:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#38 [2023-11-29 03:17:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#39 [2023-11-29 03:17:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#40 [2023-11-29 03:17:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#41 [2023-11-29 03:17:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#42 [2023-11-29 03:17:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#43 [2023-11-29 03:17:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#44 [2023-11-29 03:17:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#45 [2023-11-29 03:17:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#46 [2023-11-29 03:17:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#47 [2023-11-29 03:17:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#48 [2023-11-29 03:17:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#49 [2023-11-29 03:17:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#50 [2023-11-29 03:17:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#51 [2023-11-29 03:17:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#52 [2023-11-29 03:17:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#53 [2023-11-29 03:17:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#54 [2023-11-29 03:17:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#55 [2023-11-29 03:17:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#56 [2023-11-29 03:17:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#57 [2023-11-29 03:17:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#58 [2023-11-29 03:17:19,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2023-11-29 03:17:19,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2023-11-29 03:17:19,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2023-11-29 03:17:19,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2023-11-29 03:17:19,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2023-11-29 03:17:19,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2023-11-29 03:17:19,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2023-11-29 03:17:19,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2023-11-29 03:17:19,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2023-11-29 03:17:19,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2023-11-29 03:17:19,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2023-11-29 03:17:19,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2023-11-29 03:17:19,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2023-11-29 03:17:19,756 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2023-11-29 03:17:19,756 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2023-11-29 03:17:19,756 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2023-11-29 03:17:19,756 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2023-11-29 03:17:19,756 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2023-11-29 03:17:19,756 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2023-11-29 03:17:19,756 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2023-11-29 03:17:19,756 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#20 [2023-11-29 03:17:19,756 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#21 [2023-11-29 03:17:19,756 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#22 [2023-11-29 03:17:19,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#23 [2023-11-29 03:17:19,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#24 [2023-11-29 03:17:19,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#25 [2023-11-29 03:17:19,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#26 [2023-11-29 03:17:19,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#27 [2023-11-29 03:17:19,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#28 [2023-11-29 03:17:19,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#29 [2023-11-29 03:17:19,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#30 [2023-11-29 03:17:19,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#31 [2023-11-29 03:17:19,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#32 [2023-11-29 03:17:19,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#33 [2023-11-29 03:17:19,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#34 [2023-11-29 03:17:19,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#35 [2023-11-29 03:17:19,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#36 [2023-11-29 03:17:19,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#37 [2023-11-29 03:17:19,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#38 [2023-11-29 03:17:19,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#39 [2023-11-29 03:17:19,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#40 [2023-11-29 03:17:19,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#41 [2023-11-29 03:17:19,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#42 [2023-11-29 03:17:19,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#43 [2023-11-29 03:17:19,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#44 [2023-11-29 03:17:19,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#45 [2023-11-29 03:17:19,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#46 [2023-11-29 03:17:19,759 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#47 [2023-11-29 03:17:19,759 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#48 [2023-11-29 03:17:19,759 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#49 [2023-11-29 03:17:19,759 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#50 [2023-11-29 03:17:19,759 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#51 [2023-11-29 03:17:19,759 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#52 [2023-11-29 03:17:19,759 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#53 [2023-11-29 03:17:19,759 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#54 [2023-11-29 03:17:19,759 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#55 [2023-11-29 03:17:19,759 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#56 [2023-11-29 03:17:19,759 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#57 [2023-11-29 03:17:19,760 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#58 [2023-11-29 03:17:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2023-11-29 03:17:19,760 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2023-11-29 03:17:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-29 03:17:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-29 03:17:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-29 03:17:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-29 03:17:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-29 03:17:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-29 03:17:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-29 03:17:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-29 03:17:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-29 03:17:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-29 03:17:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-29 03:17:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-29 03:17:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-29 03:17:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-29 03:17:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2023-11-29 03:17:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2023-11-29 03:17:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2023-11-29 03:17:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2023-11-29 03:17:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2023-11-29 03:17:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2023-11-29 03:17:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2023-11-29 03:17:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2023-11-29 03:17:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2023-11-29 03:17:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2023-11-29 03:17:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#24 [2023-11-29 03:17:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#25 [2023-11-29 03:17:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#26 [2023-11-29 03:17:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#27 [2023-11-29 03:17:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#28 [2023-11-29 03:17:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#29 [2023-11-29 03:17:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#30 [2023-11-29 03:17:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#31 [2023-11-29 03:17:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#32 [2023-11-29 03:17:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#33 [2023-11-29 03:17:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#34 [2023-11-29 03:17:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#35 [2023-11-29 03:17:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#36 [2023-11-29 03:17:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#37 [2023-11-29 03:17:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#38 [2023-11-29 03:17:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#39 [2023-11-29 03:17:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#40 [2023-11-29 03:17:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#41 [2023-11-29 03:17:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#42 [2023-11-29 03:17:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#43 [2023-11-29 03:17:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#44 [2023-11-29 03:17:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#45 [2023-11-29 03:17:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#46 [2023-11-29 03:17:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#47 [2023-11-29 03:17:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#48 [2023-11-29 03:17:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#49 [2023-11-29 03:17:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#50 [2023-11-29 03:17:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#51 [2023-11-29 03:17:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#52 [2023-11-29 03:17:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#53 [2023-11-29 03:17:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#54 [2023-11-29 03:17:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#55 [2023-11-29 03:17:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#56 [2023-11-29 03:17:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#57 [2023-11-29 03:17:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#58 [2023-11-29 03:17:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-29 03:17:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-29 03:17:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-29 03:17:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-29 03:17:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-29 03:17:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-29 03:17:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-29 03:17:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-29 03:17:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-29 03:17:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-29 03:17:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-29 03:17:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-29 03:17:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-29 03:17:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-29 03:17:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2023-11-29 03:17:19,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2023-11-29 03:17:19,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2023-11-29 03:17:19,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2023-11-29 03:17:19,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2023-11-29 03:17:19,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2023-11-29 03:17:19,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2023-11-29 03:17:19,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2023-11-29 03:17:19,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2023-11-29 03:17:19,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2023-11-29 03:17:19,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2023-11-29 03:17:19,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2023-11-29 03:17:19,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2023-11-29 03:17:19,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#27 [2023-11-29 03:17:19,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#28 [2023-11-29 03:17:19,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#29 [2023-11-29 03:17:19,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#30 [2023-11-29 03:17:19,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#31 [2023-11-29 03:17:19,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#32 [2023-11-29 03:17:19,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#33 [2023-11-29 03:17:19,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#34 [2023-11-29 03:17:19,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#35 [2023-11-29 03:17:19,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#36 [2023-11-29 03:17:19,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#37 [2023-11-29 03:17:19,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#38 [2023-11-29 03:17:19,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#39 [2023-11-29 03:17:19,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#40 [2023-11-29 03:17:19,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#41 [2023-11-29 03:17:19,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#42 [2023-11-29 03:17:19,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#43 [2023-11-29 03:17:19,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#44 [2023-11-29 03:17:19,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#45 [2023-11-29 03:17:19,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#46 [2023-11-29 03:17:19,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#47 [2023-11-29 03:17:19,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#48 [2023-11-29 03:17:19,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#49 [2023-11-29 03:17:19,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#50 [2023-11-29 03:17:19,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#51 [2023-11-29 03:17:19,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#52 [2023-11-29 03:17:19,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#53 [2023-11-29 03:17:19,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#54 [2023-11-29 03:17:19,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#55 [2023-11-29 03:17:19,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#56 [2023-11-29 03:17:19,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#57 [2023-11-29 03:17:19,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#58 [2023-11-29 03:17:19,770 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-11-29 03:17:19,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-29 03:17:19,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-29 03:17:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-29 03:17:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-29 03:17:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-29 03:17:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-29 03:17:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-29 03:17:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-29 03:17:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2023-11-29 03:17:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2023-11-29 03:17:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2023-11-29 03:17:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2023-11-29 03:17:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2023-11-29 03:17:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2023-11-29 03:17:19,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2023-11-29 03:17:19,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2023-11-29 03:17:19,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2023-11-29 03:17:19,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2023-11-29 03:17:19,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2023-11-29 03:17:19,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2023-11-29 03:17:19,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2023-11-29 03:17:19,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2023-11-29 03:17:19,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2023-11-29 03:17:19,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2023-11-29 03:17:19,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2023-11-29 03:17:19,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#25 [2023-11-29 03:17:19,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#26 [2023-11-29 03:17:19,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#27 [2023-11-29 03:17:19,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#28 [2023-11-29 03:17:19,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#29 [2023-11-29 03:17:19,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#30 [2023-11-29 03:17:19,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#31 [2023-11-29 03:17:19,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#32 [2023-11-29 03:17:19,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#33 [2023-11-29 03:17:19,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#34 [2023-11-29 03:17:19,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#35 [2023-11-29 03:17:19,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#36 [2023-11-29 03:17:19,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#37 [2023-11-29 03:17:19,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#38 [2023-11-29 03:17:19,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#39 [2023-11-29 03:17:19,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#40 [2023-11-29 03:17:19,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#41 [2023-11-29 03:17:19,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#42 [2023-11-29 03:17:19,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#43 [2023-11-29 03:17:19,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#44 [2023-11-29 03:17:19,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#45 [2023-11-29 03:17:19,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#46 [2023-11-29 03:17:19,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#47 [2023-11-29 03:17:19,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#48 [2023-11-29 03:17:19,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#49 [2023-11-29 03:17:19,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#50 [2023-11-29 03:17:19,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#51 [2023-11-29 03:17:19,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#52 [2023-11-29 03:17:19,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#53 [2023-11-29 03:17:19,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#54 [2023-11-29 03:17:19,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#55 [2023-11-29 03:17:19,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#56 [2023-11-29 03:17:19,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#57 [2023-11-29 03:17:19,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#58 [2023-11-29 03:17:19,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-29 03:17:19,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-29 03:17:19,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-29 03:17:19,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-29 03:17:19,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-29 03:17:19,776 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-29 03:17:19,776 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-29 03:17:19,776 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-29 03:17:19,776 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2023-11-29 03:17:19,776 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2023-11-29 03:17:19,776 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2023-11-29 03:17:19,776 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2023-11-29 03:17:19,776 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2023-11-29 03:17:19,776 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2023-11-29 03:17:19,776 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2023-11-29 03:17:19,776 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2023-11-29 03:17:19,776 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2023-11-29 03:17:19,776 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2023-11-29 03:17:19,777 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2023-11-29 03:17:19,777 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2023-11-29 03:17:19,777 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2023-11-29 03:17:19,777 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2023-11-29 03:17:19,777 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2023-11-29 03:17:19,777 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2023-11-29 03:17:19,777 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2023-11-29 03:17:19,777 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#25 [2023-11-29 03:17:19,777 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#26 [2023-11-29 03:17:19,777 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#27 [2023-11-29 03:17:19,777 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#28 [2023-11-29 03:17:19,777 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#29 [2023-11-29 03:17:19,778 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#30 [2023-11-29 03:17:19,778 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#31 [2023-11-29 03:17:19,778 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#32 [2023-11-29 03:17:19,778 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#33 [2023-11-29 03:17:19,778 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#34 [2023-11-29 03:17:19,778 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#35 [2023-11-29 03:17:19,778 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#36 [2023-11-29 03:17:19,778 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#37 [2023-11-29 03:17:19,778 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#38 [2023-11-29 03:17:19,778 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#39 [2023-11-29 03:17:19,778 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#40 [2023-11-29 03:17:19,778 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#41 [2023-11-29 03:17:19,778 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#42 [2023-11-29 03:17:19,779 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#43 [2023-11-29 03:17:19,779 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#44 [2023-11-29 03:17:19,779 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#45 [2023-11-29 03:17:19,779 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#46 [2023-11-29 03:17:19,779 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#47 [2023-11-29 03:17:19,779 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#48 [2023-11-29 03:17:19,779 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#49 [2023-11-29 03:17:19,779 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#50 [2023-11-29 03:17:19,779 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#51 [2023-11-29 03:17:19,779 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#52 [2023-11-29 03:17:19,779 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#53 [2023-11-29 03:17:19,779 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#54 [2023-11-29 03:17:19,779 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#55 [2023-11-29 03:17:19,779 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#56 [2023-11-29 03:17:19,780 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#57 [2023-11-29 03:17:19,780 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#58 [2023-11-29 03:17:19,780 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 03:17:19,780 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 03:17:19,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 03:17:19,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 03:17:19,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 03:17:19,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-29 03:17:19,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-29 03:17:19,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-29 03:17:19,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-29 03:17:19,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-29 03:17:19,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-29 03:17:19,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-29 03:17:19,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-29 03:17:19,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-29 03:17:19,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-29 03:17:19,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-29 03:17:19,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-29 03:17:19,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-29 03:17:19,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-29 03:17:19,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-29 03:17:19,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-29 03:17:19,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-29 03:17:19,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-29 03:17:19,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2023-11-29 03:17:19,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2023-11-29 03:17:19,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2023-11-29 03:17:19,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2023-11-29 03:17:19,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2023-11-29 03:17:19,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2023-11-29 03:17:19,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2023-11-29 03:17:19,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2023-11-29 03:17:19,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2023-11-29 03:17:19,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2023-11-29 03:17:19,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2023-11-29 03:17:19,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#31 [2023-11-29 03:17:19,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#32 [2023-11-29 03:17:19,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#33 [2023-11-29 03:17:19,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#34 [2023-11-29 03:17:19,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#35 [2023-11-29 03:17:19,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#36 [2023-11-29 03:17:19,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#37 [2023-11-29 03:17:19,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#38 [2023-11-29 03:17:19,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#39 [2023-11-29 03:17:19,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#40 [2023-11-29 03:17:19,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#41 [2023-11-29 03:17:19,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#42 [2023-11-29 03:17:19,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#43 [2023-11-29 03:17:19,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#44 [2023-11-29 03:17:19,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#45 [2023-11-29 03:17:19,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#46 [2023-11-29 03:17:19,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#47 [2023-11-29 03:17:19,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#48 [2023-11-29 03:17:19,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#49 [2023-11-29 03:17:19,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#50 [2023-11-29 03:17:19,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#51 [2023-11-29 03:17:19,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#52 [2023-11-29 03:17:19,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#53 [2023-11-29 03:17:19,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#54 [2023-11-29 03:17:19,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#55 [2023-11-29 03:17:19,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#56 [2023-11-29 03:17:19,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#57 [2023-11-29 03:17:19,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#58 [2023-11-29 03:17:19,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-29 03:17:19,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-29 03:17:19,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-29 03:17:19,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-29 03:17:19,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-29 03:17:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-29 03:17:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-29 03:17:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-29 03:17:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-29 03:17:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-29 03:17:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-29 03:17:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-29 03:17:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-29 03:17:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-29 03:17:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-29 03:17:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-29 03:17:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-29 03:17:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-29 03:17:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-29 03:17:19,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-29 03:17:19,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2023-11-29 03:17:19,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2023-11-29 03:17:19,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2023-11-29 03:17:19,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2023-11-29 03:17:19,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2023-11-29 03:17:19,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2023-11-29 03:17:19,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2023-11-29 03:17:19,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2023-11-29 03:17:19,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#28 [2023-11-29 03:17:19,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#29 [2023-11-29 03:17:19,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#30 [2023-11-29 03:17:19,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#31 [2023-11-29 03:17:19,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#32 [2023-11-29 03:17:19,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#33 [2023-11-29 03:17:19,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#34 [2023-11-29 03:17:19,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#35 [2023-11-29 03:17:19,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#36 [2023-11-29 03:17:19,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#37 [2023-11-29 03:17:19,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#38 [2023-11-29 03:17:19,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#39 [2023-11-29 03:17:19,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#40 [2023-11-29 03:17:19,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#41 [2023-11-29 03:17:19,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#42 [2023-11-29 03:17:19,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#43 [2023-11-29 03:17:19,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#44 [2023-11-29 03:17:19,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#45 [2023-11-29 03:17:19,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#46 [2023-11-29 03:17:19,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#47 [2023-11-29 03:17:19,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#48 [2023-11-29 03:17:19,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#49 [2023-11-29 03:17:19,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#50 [2023-11-29 03:17:19,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#51 [2023-11-29 03:17:19,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#52 [2023-11-29 03:17:19,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#53 [2023-11-29 03:17:19,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#54 [2023-11-29 03:17:19,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#55 [2023-11-29 03:17:19,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#56 [2023-11-29 03:17:19,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#57 [2023-11-29 03:17:19,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#58 [2023-11-29 03:17:19,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#0 [2023-11-29 03:17:19,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#1 [2023-11-29 03:17:19,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#2 [2023-11-29 03:17:19,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#3 [2023-11-29 03:17:19,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#4 [2023-11-29 03:17:19,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#5 [2023-11-29 03:17:19,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#6 [2023-11-29 03:17:19,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#7 [2023-11-29 03:17:19,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#8 [2023-11-29 03:17:19,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#9 [2023-11-29 03:17:19,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#10 [2023-11-29 03:17:19,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#11 [2023-11-29 03:17:19,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#12 [2023-11-29 03:17:19,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#13 [2023-11-29 03:17:19,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#14 [2023-11-29 03:17:19,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#15 [2023-11-29 03:17:19,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#16 [2023-11-29 03:17:19,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#17 [2023-11-29 03:17:19,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#18 [2023-11-29 03:17:19,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#19 [2023-11-29 03:17:19,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#20 [2023-11-29 03:17:19,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#21 [2023-11-29 03:17:19,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#22 [2023-11-29 03:17:19,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#23 [2023-11-29 03:17:19,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#24 [2023-11-29 03:17:19,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#25 [2023-11-29 03:17:19,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#26 [2023-11-29 03:17:19,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#27 [2023-11-29 03:17:19,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#28 [2023-11-29 03:17:19,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#29 [2023-11-29 03:17:19,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#30 [2023-11-29 03:17:19,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#31 [2023-11-29 03:17:19,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#32 [2023-11-29 03:17:19,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#33 [2023-11-29 03:17:19,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#34 [2023-11-29 03:17:19,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#35 [2023-11-29 03:17:19,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#36 [2023-11-29 03:17:19,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#37 [2023-11-29 03:17:19,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#38 [2023-11-29 03:17:19,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#39 [2023-11-29 03:17:19,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#40 [2023-11-29 03:17:19,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#41 [2023-11-29 03:17:19,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#42 [2023-11-29 03:17:19,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#43 [2023-11-29 03:17:19,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#44 [2023-11-29 03:17:19,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#45 [2023-11-29 03:17:19,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#46 [2023-11-29 03:17:19,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#47 [2023-11-29 03:17:19,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#48 [2023-11-29 03:17:19,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#49 [2023-11-29 03:17:19,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#50 [2023-11-29 03:17:19,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#51 [2023-11-29 03:17:19,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#52 [2023-11-29 03:17:19,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#53 [2023-11-29 03:17:19,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#54 [2023-11-29 03:17:19,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#55 [2023-11-29 03:17:19,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#56 [2023-11-29 03:17:19,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#57 [2023-11-29 03:17:19,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#58 [2023-11-29 03:17:19,793 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#0 [2023-11-29 03:17:19,793 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#1 [2023-11-29 03:17:19,793 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#2 [2023-11-29 03:17:19,793 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#3 [2023-11-29 03:17:19,793 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#4 [2023-11-29 03:17:19,793 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#5 [2023-11-29 03:17:19,793 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#6 [2023-11-29 03:17:19,793 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#7 [2023-11-29 03:17:19,793 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#8 [2023-11-29 03:17:19,793 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#9 [2023-11-29 03:17:19,793 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#10 [2023-11-29 03:17:19,794 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#11 [2023-11-29 03:17:19,794 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#12 [2023-11-29 03:17:19,794 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#13 [2023-11-29 03:17:19,794 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#14 [2023-11-29 03:17:19,794 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#15 [2023-11-29 03:17:19,794 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#16 [2023-11-29 03:17:19,794 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#17 [2023-11-29 03:17:19,794 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#18 [2023-11-29 03:17:19,794 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#19 [2023-11-29 03:17:19,794 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#20 [2023-11-29 03:17:19,794 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#21 [2023-11-29 03:17:19,794 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#22 [2023-11-29 03:17:19,794 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#23 [2023-11-29 03:17:19,794 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#24 [2023-11-29 03:17:19,795 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#25 [2023-11-29 03:17:19,795 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#26 [2023-11-29 03:17:19,795 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#27 [2023-11-29 03:17:19,795 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#28 [2023-11-29 03:17:19,795 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#29 [2023-11-29 03:17:19,795 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#30 [2023-11-29 03:17:19,795 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#31 [2023-11-29 03:17:19,795 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#32 [2023-11-29 03:17:19,795 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#33 [2023-11-29 03:17:19,795 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#34 [2023-11-29 03:17:19,795 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#35 [2023-11-29 03:17:19,795 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#36 [2023-11-29 03:17:19,795 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#37 [2023-11-29 03:17:19,795 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#38 [2023-11-29 03:17:19,796 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#39 [2023-11-29 03:17:19,796 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#40 [2023-11-29 03:17:19,796 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#41 [2023-11-29 03:17:19,796 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#42 [2023-11-29 03:17:19,796 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#43 [2023-11-29 03:17:19,796 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#44 [2023-11-29 03:17:19,796 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#45 [2023-11-29 03:17:19,796 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#46 [2023-11-29 03:17:19,796 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#47 [2023-11-29 03:17:19,796 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#48 [2023-11-29 03:17:19,796 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#49 [2023-11-29 03:17:19,796 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#50 [2023-11-29 03:17:19,796 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#51 [2023-11-29 03:17:19,796 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#52 [2023-11-29 03:17:19,797 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#53 [2023-11-29 03:17:19,797 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#54 [2023-11-29 03:17:19,797 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#55 [2023-11-29 03:17:19,797 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#56 [2023-11-29 03:17:19,797 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#57 [2023-11-29 03:17:19,797 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#58 [2023-11-29 03:17:19,797 INFO L130 BoogieDeclarations]: Found specification of procedure bb_ascii_isalnum [2023-11-29 03:17:19,797 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_ascii_isalnum [2023-11-29 03:17:19,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 03:17:19,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 03:17:19,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 03:17:19,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 03:17:19,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 03:17:19,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-29 03:17:19,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-29 03:17:19,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-29 03:17:19,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-29 03:17:19,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-29 03:17:19,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-29 03:17:19,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-29 03:17:19,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-29 03:17:19,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-29 03:17:19,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-29 03:17:19,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-29 03:17:19,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-29 03:17:19,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-29 03:17:19,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-29 03:17:19,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-29 03:17:19,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-29 03:17:19,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-29 03:17:19,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-11-29 03:17:19,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-11-29 03:17:19,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2023-11-29 03:17:19,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2023-11-29 03:17:19,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2023-11-29 03:17:19,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2023-11-29 03:17:19,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2023-11-29 03:17:19,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2023-11-29 03:17:19,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2023-11-29 03:17:19,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2023-11-29 03:17:19,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#32 [2023-11-29 03:17:19,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#33 [2023-11-29 03:17:19,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#34 [2023-11-29 03:17:19,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#35 [2023-11-29 03:17:19,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#36 [2023-11-29 03:17:19,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#37 [2023-11-29 03:17:19,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#38 [2023-11-29 03:17:19,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#39 [2023-11-29 03:17:19,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#40 [2023-11-29 03:17:19,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#41 [2023-11-29 03:17:19,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#42 [2023-11-29 03:17:19,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#43 [2023-11-29 03:17:19,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#44 [2023-11-29 03:17:19,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#45 [2023-11-29 03:17:19,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#46 [2023-11-29 03:17:19,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#47 [2023-11-29 03:17:19,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#48 [2023-11-29 03:17:19,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#49 [2023-11-29 03:17:19,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#50 [2023-11-29 03:17:19,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#51 [2023-11-29 03:17:19,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#52 [2023-11-29 03:17:19,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#53 [2023-11-29 03:17:19,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#54 [2023-11-29 03:17:19,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#55 [2023-11-29 03:17:19,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#56 [2023-11-29 03:17:19,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#57 [2023-11-29 03:17:19,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#58 [2023-11-29 03:17:19,801 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc_fgetline [2023-11-29 03:17:19,801 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc_fgetline [2023-11-29 03:17:19,801 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-29 03:17:19,802 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-29 03:17:19,802 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-29 03:17:19,802 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2023-11-29 03:17:19,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 03:17:19,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 03:17:19,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 03:17:19,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 03:17:19,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 03:17:19,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-29 03:17:19,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-29 03:17:19,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-29 03:17:19,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-29 03:17:19,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-29 03:17:19,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-29 03:17:19,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-29 03:17:19,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-29 03:17:19,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-29 03:17:19,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-29 03:17:19,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-29 03:17:19,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-29 03:17:19,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-29 03:17:19,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-29 03:17:19,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-29 03:17:19,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-29 03:17:19,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-29 03:17:19,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-11-29 03:17:19,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-11-29 03:17:19,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2023-11-29 03:17:19,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2023-11-29 03:17:19,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2023-11-29 03:17:19,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2023-11-29 03:17:19,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2023-11-29 03:17:19,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2023-11-29 03:17:19,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2023-11-29 03:17:19,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2023-11-29 03:17:19,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#32 [2023-11-29 03:17:19,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#33 [2023-11-29 03:17:19,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#34 [2023-11-29 03:17:19,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#35 [2023-11-29 03:17:19,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#36 [2023-11-29 03:17:19,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#37 [2023-11-29 03:17:19,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#38 [2023-11-29 03:17:19,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#39 [2023-11-29 03:17:19,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#40 [2023-11-29 03:17:19,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#41 [2023-11-29 03:17:19,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#42 [2023-11-29 03:17:19,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#43 [2023-11-29 03:17:19,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#44 [2023-11-29 03:17:19,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#45 [2023-11-29 03:17:19,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#46 [2023-11-29 03:17:19,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#47 [2023-11-29 03:17:19,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#48 [2023-11-29 03:17:19,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#49 [2023-11-29 03:17:19,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#50 [2023-11-29 03:17:19,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#51 [2023-11-29 03:17:19,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#52 [2023-11-29 03:17:19,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#53 [2023-11-29 03:17:19,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#54 [2023-11-29 03:17:19,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#55 [2023-11-29 03:17:19,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#56 [2023-11-29 03:17:19,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#57 [2023-11-29 03:17:19,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#58 [2023-11-29 03:17:20,954 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:17:20,961 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:17:29,951 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:17:30,077 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:17:30,077 INFO L309 CfgBuilder]: Removed 101 assume(true) statements. [2023-11-29 03:17:30,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:17:30 BoogieIcfgContainer [2023-11-29 03:17:30,079 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:17:30,081 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:17:30,081 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:17:30,084 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:17:30,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:17:16" (1/3) ... [2023-11-29 03:17:30,085 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f378511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:17:30, skipping insertion in model container [2023-11-29 03:17:30,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:17:18" (2/3) ... [2023-11-29 03:17:30,085 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f378511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:17:30, skipping insertion in model container [2023-11-29 03:17:30,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:17:30" (3/3) ... [2023-11-29 03:17:30,087 INFO L112 eAbstractionObserver]: Analyzing ICFG uudecode-1.i [2023-11-29 03:17:30,109 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:17:30,109 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 140 error locations. [2023-11-29 03:17:30,185 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:17:30,193 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;@7608f81d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:17:30,193 INFO L358 AbstractCegarLoop]: Starting to check reachability of 140 error locations. [2023-11-29 03:17:30,202 INFO L276 IsEmpty]: Start isEmpty. Operand has 840 states, 642 states have (on average 1.7445482866043613) internal successors, (1120), 779 states have internal predecessors, (1120), 42 states have call successors, (42), 18 states have call predecessors, (42), 18 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-29 03:17:30,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-29 03:17:30,210 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:30,211 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-29 03:17:30,211 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:17:30,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:30,217 INFO L85 PathProgramCache]: Analyzing trace with hash 4849409, now seen corresponding path program 1 times [2023-11-29 03:17:30,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:30,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144058115] [2023-11-29 03:17:30,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:30,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:30,722 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 03:17:30,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:30,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144058115] [2023-11-29 03:17:30,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144058115] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:30,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:30,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 03:17:30,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619813867] [2023-11-29 03:17:30,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:30,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:17:30,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:30,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:17:30,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:17:30,800 INFO L87 Difference]: Start difference. First operand has 840 states, 642 states have (on average 1.7445482866043613) internal successors, (1120), 779 states have internal predecessors, (1120), 42 states have call successors, (42), 18 states have call predecessors, (42), 18 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 03:17:31,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:31,077 INFO L93 Difference]: Finished difference Result 1657 states and 2418 transitions. [2023-11-29 03:17:31,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:17:31,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2023-11-29 03:17:31,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:31,099 INFO L225 Difference]: With dead ends: 1657 [2023-11-29 03:17:31,099 INFO L226 Difference]: Without dead ends: 817 [2023-11-29 03:17:31,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 03:17:31,113 INFO L413 NwaCegarLoop]: 1072 mSDtfsCounter, 1 mSDsluCounter, 1068 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2140 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:31,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2140 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:17:31,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2023-11-29 03:17:31,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 817. [2023-11-29 03:17:31,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 817 states, 629 states have (on average 1.6486486486486487) internal successors, (1037), 767 states have internal predecessors, (1037), 42 states have call successors, (42), 18 states have call predecessors, (42), 17 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-29 03:17:31,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 1110 transitions. [2023-11-29 03:17:31,216 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 1110 transitions. Word has length 3 [2023-11-29 03:17:31,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:31,216 INFO L495 AbstractCegarLoop]: Abstraction has 817 states and 1110 transitions. [2023-11-29 03:17:31,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 03:17:31,217 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1110 transitions. [2023-11-29 03:17:31,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-29 03:17:31,217 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:31,217 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2023-11-29 03:17:31,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 03:17:31,218 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:17:31,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:31,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1559417826, now seen corresponding path program 1 times [2023-11-29 03:17:31,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:31,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349192956] [2023-11-29 03:17:31,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:31,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:31,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:31,450 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 03:17:31,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:31,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349192956] [2023-11-29 03:17:31,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349192956] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:17:31,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806072118] [2023-11-29 03:17:31,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:31,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:17:31,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:17:31,456 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:17:31,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 03:17:32,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:32,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 908 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:17:32,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:17:32,338 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 03:17:32,338 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:17:32,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806072118] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:32,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:17:32,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 [2023-11-29 03:17:32,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189900874] [2023-11-29 03:17:32,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:32,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:17:32,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:32,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:17:32,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:17:32,341 INFO L87 Difference]: Start difference. First operand 817 states and 1110 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 03:17:32,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:32,490 INFO L93 Difference]: Finished difference Result 817 states and 1110 transitions. [2023-11-29 03:17:32,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:17:32,491 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2023-11-29 03:17:32,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:32,498 INFO L225 Difference]: With dead ends: 817 [2023-11-29 03:17:32,498 INFO L226 Difference]: Without dead ends: 816 [2023-11-29 03:17:32,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 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 03:17:32,500 INFO L413 NwaCegarLoop]: 1066 mSDtfsCounter, 5 mSDsluCounter, 1065 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2131 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:32,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 2131 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:17:32,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2023-11-29 03:17:32,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 816. [2023-11-29 03:17:32,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 816 states, 629 states have (on average 1.6470588235294117) internal successors, (1036), 766 states have internal predecessors, (1036), 42 states have call successors, (42), 18 states have call predecessors, (42), 17 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-29 03:17:32,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 1109 transitions. [2023-11-29 03:17:32,539 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 1109 transitions. Word has length 6 [2023-11-29 03:17:32,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:32,540 INFO L495 AbstractCegarLoop]: Abstraction has 816 states and 1109 transitions. [2023-11-29 03:17:32,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 03:17:32,540 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1109 transitions. [2023-11-29 03:17:32,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-29 03:17:32,541 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:32,541 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2023-11-29 03:17:32,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 03:17:32,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:17:32,742 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:17:32,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:32,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1097311618, now seen corresponding path program 1 times [2023-11-29 03:17:32,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:32,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639588243] [2023-11-29 03:17:32,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:32,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:32,940 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 03:17:32,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:32,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639588243] [2023-11-29 03:17:32,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639588243] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:32,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:32,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:17:32,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232199193] [2023-11-29 03:17:32,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:32,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:17:32,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:32,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:17:32,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:17:32,942 INFO L87 Difference]: Start difference. First operand 816 states and 1109 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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 03:17:33,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:33,074 INFO L93 Difference]: Finished difference Result 816 states and 1109 transitions. [2023-11-29 03:17:33,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:17:33,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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 03:17:33,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:33,080 INFO L225 Difference]: With dead ends: 816 [2023-11-29 03:17:33,080 INFO L226 Difference]: Without dead ends: 815 [2023-11-29 03:17:33,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 03:17:33,082 INFO L413 NwaCegarLoop]: 1067 mSDtfsCounter, 0 mSDsluCounter, 1065 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2132 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:33,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2132 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:17:33,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2023-11-29 03:17:33,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 813. [2023-11-29 03:17:33,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 813 states, 627 states have (on average 1.6475279106858054) internal successors, (1033), 763 states have internal predecessors, (1033), 42 states have call successors, (42), 18 states have call predecessors, (42), 17 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-29 03:17:33,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 1106 transitions. [2023-11-29 03:17:33,113 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 1106 transitions. Word has length 7 [2023-11-29 03:17:33,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:33,113 INFO L495 AbstractCegarLoop]: Abstraction has 813 states and 1106 transitions. [2023-11-29 03:17:33,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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 03:17:33,113 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1106 transitions. [2023-11-29 03:17:33,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-29 03:17:33,114 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:33,114 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:33,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 03:17:33,114 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:17:33,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:33,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1074564251, now seen corresponding path program 1 times [2023-11-29 03:17:33,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:33,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179170105] [2023-11-29 03:17:33,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:33,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:33,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 03:17:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:33,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:33,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:33,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179170105] [2023-11-29 03:17:33,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179170105] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:17:33,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409524750] [2023-11-29 03:17:33,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:33,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:17:33,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:17:33,359 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:17:33,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 03:17:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:34,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 925 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:17:34,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:17:34,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 03:17:34,275 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:17:34,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [409524750] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:34,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:17:34,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-29 03:17:34,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138074519] [2023-11-29 03:17:34,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:34,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:17:34,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:34,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:17:34,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:17:34,278 INFO L87 Difference]: Start difference. First operand 813 states and 1106 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:17:34,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:34,428 INFO L93 Difference]: Finished difference Result 813 states and 1106 transitions. [2023-11-29 03:17:34,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:17:34,429 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-11-29 03:17:34,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:34,435 INFO L225 Difference]: With dead ends: 813 [2023-11-29 03:17:34,435 INFO L226 Difference]: Without dead ends: 811 [2023-11-29 03:17:34,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:17:34,437 INFO L413 NwaCegarLoop]: 1058 mSDtfsCounter, 822 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 840 SdHoareTripleChecker+Valid, 1301 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:34,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [840 Valid, 1301 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:17:34,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2023-11-29 03:17:34,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 811. [2023-11-29 03:17:34,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 811 states, 627 states have (on average 1.6443381180223287) internal successors, (1031), 761 states have internal predecessors, (1031), 42 states have call successors, (42), 18 states have call predecessors, (42), 17 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-29 03:17:34,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1104 transitions. [2023-11-29 03:17:34,472 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1104 transitions. Word has length 12 [2023-11-29 03:17:34,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:34,473 INFO L495 AbstractCegarLoop]: Abstraction has 811 states and 1104 transitions. [2023-11-29 03:17:34,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:17:34,473 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1104 transitions. [2023-11-29 03:17:34,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-29 03:17:34,474 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:34,474 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:34,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 03:17:34,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:17:34,675 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:17:34,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:34,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1048245846, now seen corresponding path program 1 times [2023-11-29 03:17:34,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:34,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108045142] [2023-11-29 03:17:34,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:34,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:34,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:34,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 03:17:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:34,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:34,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:34,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108045142] [2023-11-29 03:17:34,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108045142] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:17:34,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885007861] [2023-11-29 03:17:34,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:34,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:17:34,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:17:34,901 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:17:34,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 03:17:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:35,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 926 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:17:35,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:17:35,750 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:35,750 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:17:35,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:35,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [885007861] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:17:35,773 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:17:35,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 4] total 7 [2023-11-29 03:17:35,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125133632] [2023-11-29 03:17:35,773 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:17:35,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:17:35,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:35,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:17:35,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:17:35,775 INFO L87 Difference]: Start difference. First operand 811 states and 1104 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:17:35,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:35,953 INFO L93 Difference]: Finished difference Result 1626 states and 2214 transitions. [2023-11-29 03:17:35,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:17:35,954 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 13 [2023-11-29 03:17:35,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:35,960 INFO L225 Difference]: With dead ends: 1626 [2023-11-29 03:17:35,960 INFO L226 Difference]: Without dead ends: 820 [2023-11-29 03:17:35,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:17:35,963 INFO L413 NwaCegarLoop]: 1065 mSDtfsCounter, 4 mSDsluCounter, 2126 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3191 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:35,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3191 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:17:35,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2023-11-29 03:17:35,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 820. [2023-11-29 03:17:35,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 820 states, 636 states have (on average 1.6352201257861636) internal successors, (1040), 770 states have internal predecessors, (1040), 42 states have call successors, (42), 18 states have call predecessors, (42), 17 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-29 03:17:35,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 1113 transitions. [2023-11-29 03:17:35,995 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 1113 transitions. Word has length 13 [2023-11-29 03:17:35,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:35,995 INFO L495 AbstractCegarLoop]: Abstraction has 820 states and 1113 transitions. [2023-11-29 03:17:35,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:17:35,995 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1113 transitions. [2023-11-29 03:17:35,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-29 03:17:35,996 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:35,996 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:36,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 03:17:36,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:17:36,197 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:17:36,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:36,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1634643033, now seen corresponding path program 2 times [2023-11-29 03:17:36,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:36,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465609788] [2023-11-29 03:17:36,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:36,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:36,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 03:17:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:36,622 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:36,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:36,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465609788] [2023-11-29 03:17:36,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465609788] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:17:36,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323869855] [2023-11-29 03:17:36,623 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 03:17:36,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:17:36,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:17:36,624 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:17:36,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 03:17:37,588 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 03:17:37,588 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 03:17:37,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 907 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 03:17:37,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:17:37,633 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 03:17:37,633 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:17:37,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323869855] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:37,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:17:37,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2023-11-29 03:17:37,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056665250] [2023-11-29 03:17:37,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:37,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:17:37,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:37,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:17:37,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:17:37,636 INFO L87 Difference]: Start difference. First operand 820 states and 1113 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:17:37,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:37,872 INFO L93 Difference]: Finished difference Result 820 states and 1113 transitions. [2023-11-29 03:17:37,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:17:37,873 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2023-11-29 03:17:37,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:37,878 INFO L225 Difference]: With dead ends: 820 [2023-11-29 03:17:37,878 INFO L226 Difference]: Without dead ends: 818 [2023-11-29 03:17:37,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:17:37,879 INFO L413 NwaCegarLoop]: 1052 mSDtfsCounter, 821 mSDsluCounter, 2330 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 839 SdHoareTripleChecker+Valid, 3382 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:37,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [839 Valid, 3382 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 03:17:37,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2023-11-29 03:17:37,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 818. [2023-11-29 03:17:37,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 818 states, 636 states have (on average 1.6320754716981132) internal successors, (1038), 768 states have internal predecessors, (1038), 42 states have call successors, (42), 18 states have call predecessors, (42), 17 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-29 03:17:37,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1111 transitions. [2023-11-29 03:17:37,906 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1111 transitions. Word has length 22 [2023-11-29 03:17:37,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:37,907 INFO L495 AbstractCegarLoop]: Abstraction has 818 states and 1111 transitions. [2023-11-29 03:17:37,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:17:37,907 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1111 transitions. [2023-11-29 03:17:37,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-29 03:17:37,908 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:37,908 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:37,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 03:17:38,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-29 03:17:38,112 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:17:38,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:38,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1115150741, now seen corresponding path program 1 times [2023-11-29 03:17:38,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:38,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465504933] [2023-11-29 03:17:38,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:38,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:38,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 03:17:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:38,384 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 03:17:38,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:38,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465504933] [2023-11-29 03:17:38,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465504933] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:38,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:38,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:17:38,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851369930] [2023-11-29 03:17:38,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:38,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:17:38,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:38,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:17:38,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:17:38,387 INFO L87 Difference]: Start difference. First operand 818 states and 1111 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:17:38,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:38,570 INFO L93 Difference]: Finished difference Result 1619 states and 2206 transitions. [2023-11-29 03:17:38,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:17:38,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2023-11-29 03:17:38,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:38,576 INFO L225 Difference]: With dead ends: 1619 [2023-11-29 03:17:38,576 INFO L226 Difference]: Without dead ends: 821 [2023-11-29 03:17:38,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 03:17:38,579 INFO L413 NwaCegarLoop]: 1063 mSDtfsCounter, 1 mSDsluCounter, 1058 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2121 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:38,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2121 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:17:38,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2023-11-29 03:17:38,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 821. [2023-11-29 03:17:38,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 821 states, 639 states have (on average 1.6291079812206573) internal successors, (1041), 771 states have internal predecessors, (1041), 42 states have call successors, (42), 18 states have call predecessors, (42), 17 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-29 03:17:38,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1114 transitions. [2023-11-29 03:17:38,611 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1114 transitions. Word has length 27 [2023-11-29 03:17:38,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:38,612 INFO L495 AbstractCegarLoop]: Abstraction has 821 states and 1114 transitions. [2023-11-29 03:17:38,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:17:38,612 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1114 transitions. [2023-11-29 03:17:38,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-29 03:17:38,613 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:38,613 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:38,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 03:17:38,613 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:17:38,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:38,614 INFO L85 PathProgramCache]: Analyzing trace with hash 2080694573, now seen corresponding path program 1 times [2023-11-29 03:17:38,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:38,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364460676] [2023-11-29 03:17:38,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:38,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:38,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 03:17:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:38,843 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 03:17:38,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:38,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364460676] [2023-11-29 03:17:38,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364460676] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:38,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:38,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:17:38,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334245530] [2023-11-29 03:17:38,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:38,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:17:38,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:38,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:17:38,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:17:38,846 INFO L87 Difference]: Start difference. First operand 821 states and 1114 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:17:39,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:39,031 INFO L93 Difference]: Finished difference Result 1094 states and 1525 transitions. [2023-11-29 03:17:39,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:17:39,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2023-11-29 03:17:39,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:39,040 INFO L225 Difference]: With dead ends: 1094 [2023-11-29 03:17:39,040 INFO L226 Difference]: Without dead ends: 1092 [2023-11-29 03:17:39,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 03:17:39,042 INFO L413 NwaCegarLoop]: 1058 mSDtfsCounter, 387 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 2108 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:39,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 2108 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:17:39,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2023-11-29 03:17:39,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 825. [2023-11-29 03:17:39,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 825 states, 643 states have (on average 1.6267496111975117) internal successors, (1046), 775 states have internal predecessors, (1046), 42 states have call successors, (42), 18 states have call predecessors, (42), 17 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-29 03:17:39,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 1119 transitions. [2023-11-29 03:17:39,086 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 1119 transitions. Word has length 29 [2023-11-29 03:17:39,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:39,087 INFO L495 AbstractCegarLoop]: Abstraction has 825 states and 1119 transitions. [2023-11-29 03:17:39,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:17:39,087 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1119 transitions. [2023-11-29 03:17:39,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-29 03:17:39,088 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:39,088 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:39,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 03:17:39,089 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:17:39,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:39,090 INFO L85 PathProgramCache]: Analyzing trace with hash 117069910, now seen corresponding path program 1 times [2023-11-29 03:17:39,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:39,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061015245] [2023-11-29 03:17:39,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:39,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:39,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 03:17:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:39,363 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 03:17:39,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:39,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061015245] [2023-11-29 03:17:39,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061015245] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:17:39,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625441751] [2023-11-29 03:17:39,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:39,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:17:39,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:17:39,365 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:17:39,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 03:17:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:40,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 1107 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 03:17:40,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:17:40,363 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 03:17:40,363 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:17:40,453 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 03:17:40,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625441751] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:17:40,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:17:40,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 6, 7] total 14 [2023-11-29 03:17:40,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70755255] [2023-11-29 03:17:40,455 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:17:40,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 03:17:40,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:40,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 03:17:40,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2023-11-29 03:17:40,457 INFO L87 Difference]: Start difference. First operand 825 states and 1119 transitions. Second operand has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 14 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:17:40,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:40,895 INFO L93 Difference]: Finished difference Result 1653 states and 2247 transitions. [2023-11-29 03:17:40,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 03:17:40,896 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 14 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2023-11-29 03:17:40,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:40,901 INFO L225 Difference]: With dead ends: 1653 [2023-11-29 03:17:40,901 INFO L226 Difference]: Without dead ends: 842 [2023-11-29 03:17:40,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2023-11-29 03:17:40,904 INFO L413 NwaCegarLoop]: 1057 mSDtfsCounter, 7 mSDsluCounter, 8440 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 9497 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:40,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 9497 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 03:17:40,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2023-11-29 03:17:40,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 842. [2023-11-29 03:17:40,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 842 states, 661 states have (on average 1.6081694402420574) internal successors, (1063), 792 states have internal predecessors, (1063), 42 states have call successors, (42), 18 states have call predecessors, (42), 17 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-29 03:17:40,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1136 transitions. [2023-11-29 03:17:40,933 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1136 transitions. Word has length 30 [2023-11-29 03:17:40,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:40,934 INFO L495 AbstractCegarLoop]: Abstraction has 842 states and 1136 transitions. [2023-11-29 03:17:40,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 14 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:17:40,934 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1136 transitions. [2023-11-29 03:17:40,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-29 03:17:40,936 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:40,936 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:40,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 03:17:41,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-29 03:17:41,137 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:17:41,137 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:41,137 INFO L85 PathProgramCache]: Analyzing trace with hash -691948729, now seen corresponding path program 1 times [2023-11-29 03:17:41,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:41,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591288280] [2023-11-29 03:17:41,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:41,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:41,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:41,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:17:41,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:41,408 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-29 03:17:41,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:41,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591288280] [2023-11-29 03:17:41,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591288280] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:41,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:41,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:17:41,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169816892] [2023-11-29 03:17:41,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:41,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:17:41,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:41,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:17:41,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:17:41,411 INFO L87 Difference]: Start difference. First operand 842 states and 1136 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:17:41,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:41,554 INFO L93 Difference]: Finished difference Result 856 states and 1152 transitions. [2023-11-29 03:17:41,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:17:41,555 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2023-11-29 03:17:41,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:41,560 INFO L225 Difference]: With dead ends: 856 [2023-11-29 03:17:41,560 INFO L226 Difference]: Without dead ends: 854 [2023-11-29 03:17:41,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 03:17:41,561 INFO L413 NwaCegarLoop]: 1060 mSDtfsCounter, 3 mSDsluCounter, 1056 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2116 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:41,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2116 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:17:41,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2023-11-29 03:17:41,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 852. [2023-11-29 03:17:41,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 852 states, 671 states have (on average 1.6035767511177348) internal successors, (1076), 802 states have internal predecessors, (1076), 42 states have call successors, (42), 18 states have call predecessors, (42), 17 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-29 03:17:41,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1149 transitions. [2023-11-29 03:17:41,589 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1149 transitions. Word has length 49 [2023-11-29 03:17:41,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:41,590 INFO L495 AbstractCegarLoop]: Abstraction has 852 states and 1149 transitions. [2023-11-29 03:17:41,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:17:41,590 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1149 transitions. [2023-11-29 03:17:41,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-29 03:17:41,592 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:41,592 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:41,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 03:17:41,592 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:17:41,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:41,593 INFO L85 PathProgramCache]: Analyzing trace with hash -691947000, now seen corresponding path program 1 times [2023-11-29 03:17:41,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:41,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694219346] [2023-11-29 03:17:41,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:41,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:41,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:17:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:41,821 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-29 03:17:41,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:41,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694219346] [2023-11-29 03:17:41,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694219346] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:41,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:41,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:17:41,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442655444] [2023-11-29 03:17:41,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:41,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:17:41,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:41,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:17:41,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:17:41,824 INFO L87 Difference]: Start difference. First operand 852 states and 1149 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:17:41,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:41,953 INFO L93 Difference]: Finished difference Result 852 states and 1149 transitions. [2023-11-29 03:17:41,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:17:41,954 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2023-11-29 03:17:41,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:41,959 INFO L225 Difference]: With dead ends: 852 [2023-11-29 03:17:41,959 INFO L226 Difference]: Without dead ends: 851 [2023-11-29 03:17:41,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 03:17:41,961 INFO L413 NwaCegarLoop]: 1061 mSDtfsCounter, 0 mSDsluCounter, 1058 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2119 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:41,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2119 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:17:41,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2023-11-29 03:17:41,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 847. [2023-11-29 03:17:41,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 847 states, 667 states have (on average 1.6041979010494753) internal successors, (1070), 797 states have internal predecessors, (1070), 42 states have call successors, (42), 18 states have call predecessors, (42), 17 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-29 03:17:41,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 1143 transitions. [2023-11-29 03:17:41,994 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 1143 transitions. Word has length 49 [2023-11-29 03:17:41,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:41,995 INFO L495 AbstractCegarLoop]: Abstraction has 847 states and 1143 transitions. [2023-11-29 03:17:41,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:17:41,995 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1143 transitions. [2023-11-29 03:17:41,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-29 03:17:41,996 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:41,996 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:41,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 03:17:41,996 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:17:41,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:41,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1725773670, now seen corresponding path program 1 times [2023-11-29 03:17:41,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:41,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717597091] [2023-11-29 03:17:41,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:41,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:42,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:17:42,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:42,283 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 03:17:42,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:42,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717597091] [2023-11-29 03:17:42,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717597091] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:17:42,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743098398] [2023-11-29 03:17:42,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:42,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:17:42,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:17:42,285 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:17:42,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 03:17:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:43,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 1253 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:17:43,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:17:43,441 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 03:17:43,441 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:17:43,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [743098398] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:43,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:17:43,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2023-11-29 03:17:43,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617426913] [2023-11-29 03:17:43,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:43,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:17:43,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:43,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:17:43,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:17:43,443 INFO L87 Difference]: Start difference. First operand 847 states and 1143 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:17:43,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:43,643 INFO L93 Difference]: Finished difference Result 1117 states and 1551 transitions. [2023-11-29 03:17:43,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:17:43,644 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 51 [2023-11-29 03:17:43,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:43,650 INFO L225 Difference]: With dead ends: 1117 [2023-11-29 03:17:43,650 INFO L226 Difference]: Without dead ends: 1116 [2023-11-29 03:17:43,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 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 03:17:43,651 INFO L413 NwaCegarLoop]: 1444 mSDtfsCounter, 775 mSDsluCounter, 1053 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 789 SdHoareTripleChecker+Valid, 2497 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:43,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [789 Valid, 2497 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 03:17:43,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2023-11-29 03:17:43,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 846. [2023-11-29 03:17:43,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 846 states, 667 states have (on average 1.6026986506746628) internal successors, (1069), 796 states have internal predecessors, (1069), 42 states have call successors, (42), 18 states have call predecessors, (42), 17 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-29 03:17:43,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 1142 transitions. [2023-11-29 03:17:43,680 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 1142 transitions. Word has length 51 [2023-11-29 03:17:43,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:43,680 INFO L495 AbstractCegarLoop]: Abstraction has 846 states and 1142 transitions. [2023-11-29 03:17:43,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:17:43,681 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1142 transitions. [2023-11-29 03:17:43,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-29 03:17:43,682 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:43,682 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:43,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 03:17:43,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-29 03:17:43,884 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:17:43,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:43,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1959377011, now seen corresponding path program 1 times [2023-11-29 03:17:43,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:43,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196851952] [2023-11-29 03:17:43,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:43,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:44,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:17:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:44,174 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 03:17:44,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:44,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196851952] [2023-11-29 03:17:44,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196851952] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:17:44,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [971986254] [2023-11-29 03:17:44,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:44,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:17:44,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:17:44,176 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:17:44,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 03:17:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:45,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:17:45,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:17:45,207 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 03:17:45,207 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:17:45,229 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 03:17:45,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [971986254] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:17:45,230 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:17:45,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2023-11-29 03:17:45,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767355316] [2023-11-29 03:17:45,230 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:17:45,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:17:45,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:45,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:17:45,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:17:45,231 INFO L87 Difference]: Start difference. First operand 846 states and 1142 transitions. Second operand has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:17:45,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:45,555 INFO L93 Difference]: Finished difference Result 1927 states and 2776 transitions. [2023-11-29 03:17:45,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:17:45,555 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 52 [2023-11-29 03:17:45,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:45,567 INFO L225 Difference]: With dead ends: 1927 [2023-11-29 03:17:45,568 INFO L226 Difference]: Without dead ends: 1926 [2023-11-29 03:17:45,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:17:45,569 INFO L413 NwaCegarLoop]: 1055 mSDtfsCounter, 2726 mSDsluCounter, 2513 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2754 SdHoareTripleChecker+Valid, 3568 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:45,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2754 Valid, 3568 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 03:17:45,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1926 states. [2023-11-29 03:17:45,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1926 to 858. [2023-11-29 03:17:45,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 858 states, 679 states have (on average 1.5964653902798234) internal successors, (1084), 808 states have internal predecessors, (1084), 42 states have call successors, (42), 18 states have call predecessors, (42), 17 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-29 03:17:45,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1157 transitions. [2023-11-29 03:17:45,615 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1157 transitions. Word has length 52 [2023-11-29 03:17:45,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:45,616 INFO L495 AbstractCegarLoop]: Abstraction has 858 states and 1157 transitions. [2023-11-29 03:17:45,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:17:45,616 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1157 transitions. [2023-11-29 03:17:45,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-29 03:17:45,617 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:45,617 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:45,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-29 03:17:45,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-29 03:17:45,820 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:17:45,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:45,821 INFO L85 PathProgramCache]: Analyzing trace with hash -800429840, now seen corresponding path program 1 times [2023-11-29 03:17:45,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:45,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177903641] [2023-11-29 03:17:45,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:45,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:46,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:17:46,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:46,033 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-29 03:17:46,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:46,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177903641] [2023-11-29 03:17:46,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177903641] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:17:46,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270625093] [2023-11-29 03:17:46,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:46,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:17:46,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:17:46,035 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:17:46,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 03:17:47,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:47,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 1282 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:17:47,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:17:47,037 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-29 03:17:47,037 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:17:47,059 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-29 03:17:47,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270625093] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:17:47,059 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:17:47,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-11-29 03:17:47,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402999767] [2023-11-29 03:17:47,060 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:17:47,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:17:47,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:47,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:17:47,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:17:47,061 INFO L87 Difference]: Start difference. First operand 858 states and 1157 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:17:47,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:47,225 INFO L93 Difference]: Finished difference Result 1691 states and 2291 transitions. [2023-11-29 03:17:47,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:17:47,226 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 57 [2023-11-29 03:17:47,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:47,231 INFO L225 Difference]: With dead ends: 1691 [2023-11-29 03:17:47,232 INFO L226 Difference]: Without dead ends: 876 [2023-11-29 03:17:47,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:17:47,234 INFO L413 NwaCegarLoop]: 1060 mSDtfsCounter, 4 mSDsluCounter, 2114 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3174 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:47,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3174 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:17:47,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states. [2023-11-29 03:17:47,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 876. [2023-11-29 03:17:47,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 876 states, 697 states have (on average 1.5810616929698709) internal successors, (1102), 826 states have internal predecessors, (1102), 42 states have call successors, (42), 18 states have call predecessors, (42), 17 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-29 03:17:47,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1175 transitions. [2023-11-29 03:17:47,267 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1175 transitions. Word has length 57 [2023-11-29 03:17:47,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:47,268 INFO L495 AbstractCegarLoop]: Abstraction has 876 states and 1175 transitions. [2023-11-29 03:17:47,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:17:47,268 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1175 transitions. [2023-11-29 03:17:47,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-29 03:17:47,269 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:47,269 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 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 03:17:47,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 03:17:47,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-29 03:17:47,473 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:17:47,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:47,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1340106053, now seen corresponding path program 1 times [2023-11-29 03:17:47,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:47,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507861340] [2023-11-29 03:17:47,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:47,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:48,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:17:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:48,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 03:17:48,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:48,195 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 03:17:48,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:48,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507861340] [2023-11-29 03:17:48,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507861340] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:48,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:48,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 03:17:48,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695131843] [2023-11-29 03:17:48,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:48,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:17:48,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:48,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:17:48,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:17:48,198 INFO L87 Difference]: Start difference. First operand 876 states and 1175 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:17:49,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:49,696 INFO L93 Difference]: Finished difference Result 1651 states and 2237 transitions. [2023-11-29 03:17:49,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:17:49,697 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 60 [2023-11-29 03:17:49,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:49,704 INFO L225 Difference]: With dead ends: 1651 [2023-11-29 03:17:49,704 INFO L226 Difference]: Without dead ends: 878 [2023-11-29 03:17:49,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:17:49,707 INFO L413 NwaCegarLoop]: 813 mSDtfsCounter, 1616 mSDsluCounter, 1607 mSDsCounter, 0 mSdLazyCounter, 911 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1627 SdHoareTripleChecker+Valid, 2420 SdHoareTripleChecker+Invalid, 1014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:49,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1627 Valid, 2420 Invalid, 1014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 911 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 03:17:49,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states. [2023-11-29 03:17:49,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 876. [2023-11-29 03:17:49,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 876 states, 697 states have (on average 1.5781922525107603) internal successors, (1100), 826 states have internal predecessors, (1100), 42 states have call successors, (42), 18 states have call predecessors, (42), 17 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-29 03:17:49,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1173 transitions. [2023-11-29 03:17:49,750 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1173 transitions. Word has length 60 [2023-11-29 03:17:49,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:49,751 INFO L495 AbstractCegarLoop]: Abstraction has 876 states and 1173 transitions. [2023-11-29 03:17:49,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:17:49,751 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1173 transitions. [2023-11-29 03:17:49,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-29 03:17:49,752 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:49,752 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 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 03:17:49,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 03:17:49,752 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:17:49,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:49,753 INFO L85 PathProgramCache]: Analyzing trace with hash 530759427, now seen corresponding path program 1 times [2023-11-29 03:17:49,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:49,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104895699] [2023-11-29 03:17:49,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:49,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:49,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:50,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:17:50,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:50,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 03:17:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:50,042 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 03:17:50,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:50,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104895699] [2023-11-29 03:17:50,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104895699] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:50,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:50,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:17:50,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651361249] [2023-11-29 03:17:50,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:50,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:17:50,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:50,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:17:50,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:17:50,044 INFO L87 Difference]: Start difference. First operand 876 states and 1173 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:17:51,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:51,072 INFO L93 Difference]: Finished difference Result 1743 states and 2372 transitions. [2023-11-29 03:17:51,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:17:51,073 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 60 [2023-11-29 03:17:51,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:51,079 INFO L225 Difference]: With dead ends: 1743 [2023-11-29 03:17:51,079 INFO L226 Difference]: Without dead ends: 973 [2023-11-29 03:17:51,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:17:51,082 INFO L413 NwaCegarLoop]: 846 mSDtfsCounter, 336 mSDsluCounter, 1524 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 2370 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:51,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 2370 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 03:17:51,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 973 states. [2023-11-29 03:17:51,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 973 to 916. [2023-11-29 03:17:51,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 916 states, 736 states have (on average 1.5679347826086956) internal successors, (1154), 865 states have internal predecessors, (1154), 43 states have call successors, (43), 18 states have call predecessors, (43), 17 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-29 03:17:51,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 916 states and 1229 transitions. [2023-11-29 03:17:51,128 INFO L78 Accepts]: Start accepts. Automaton has 916 states and 1229 transitions. Word has length 60 [2023-11-29 03:17:51,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:51,128 INFO L495 AbstractCegarLoop]: Abstraction has 916 states and 1229 transitions. [2023-11-29 03:17:51,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:17:51,129 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1229 transitions. [2023-11-29 03:17:51,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-29 03:17:51,129 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:51,129 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:17:51,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 03:17:51,130 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:17:51,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:51,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1041272120, now seen corresponding path program 1 times [2023-11-29 03:17:51,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:51,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288289673] [2023-11-29 03:17:51,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:51,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:51,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:17:51,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:51,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 03:17:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:51,423 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 03:17:51,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:51,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288289673] [2023-11-29 03:17:51,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288289673] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:51,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:51,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:17:51,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138887645] [2023-11-29 03:17:51,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:51,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:17:51,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:51,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:17:51,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:17:51,426 INFO L87 Difference]: Start difference. First operand 916 states and 1229 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:17:52,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:52,291 INFO L93 Difference]: Finished difference Result 920 states and 1232 transitions. [2023-11-29 03:17:52,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:17:52,292 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 62 [2023-11-29 03:17:52,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:52,296 INFO L225 Difference]: With dead ends: 920 [2023-11-29 03:17:52,296 INFO L226 Difference]: Without dead ends: 918 [2023-11-29 03:17:52,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:17:52,297 INFO L413 NwaCegarLoop]: 848 mSDtfsCounter, 217 mSDsluCounter, 1588 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 2436 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:52,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 2436 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 03:17:52,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2023-11-29 03:17:52,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 916. [2023-11-29 03:17:52,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 916 states, 736 states have (on average 1.565217391304348) internal successors, (1152), 865 states have internal predecessors, (1152), 43 states have call successors, (43), 18 states have call predecessors, (43), 17 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-29 03:17:52,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 916 states and 1227 transitions. [2023-11-29 03:17:52,333 INFO L78 Accepts]: Start accepts. Automaton has 916 states and 1227 transitions. Word has length 62 [2023-11-29 03:17:52,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:52,333 INFO L495 AbstractCegarLoop]: Abstraction has 916 states and 1227 transitions. [2023-11-29 03:17:52,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:17:52,333 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1227 transitions. [2023-11-29 03:17:52,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-29 03:17:52,334 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:52,334 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:52,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 03:17:52,334 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:17:52,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:52,335 INFO L85 PathProgramCache]: Analyzing trace with hash -783306744, now seen corresponding path program 2 times [2023-11-29 03:17:52,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:52,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185400239] [2023-11-29 03:17:52,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:52,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:52,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:17:52,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:52,619 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 03:17:52,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:52,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185400239] [2023-11-29 03:17:52,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185400239] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:17:52,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711871442] [2023-11-29 03:17:52,619 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 03:17:52,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:17:52,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:17:52,621 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:17:52,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 03:17:53,654 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 03:17:53,655 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 03:17:53,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 1055 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 03:17:53,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:17:53,716 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2023-11-29 03:17:53,716 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:17:53,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [711871442] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:53,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:17:53,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 11 [2023-11-29 03:17:53,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785057357] [2023-11-29 03:17:53,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:53,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:17:53,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:53,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:17:53,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:17:53,718 INFO L87 Difference]: Start difference. First operand 916 states and 1227 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:17:54,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:54,003 INFO L93 Difference]: Finished difference Result 1758 states and 2374 transitions. [2023-11-29 03:17:54,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:17:54,004 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 64 [2023-11-29 03:17:54,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:54,010 INFO L225 Difference]: With dead ends: 1758 [2023-11-29 03:17:54,010 INFO L226 Difference]: Without dead ends: 916 [2023-11-29 03:17:54,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:17:54,013 INFO L413 NwaCegarLoop]: 1044 mSDtfsCounter, 828 mSDsluCounter, 3099 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 846 SdHoareTripleChecker+Valid, 4143 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:54,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [846 Valid, 4143 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 03:17:54,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 916 states. [2023-11-29 03:17:54,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 916 to 916. [2023-11-29 03:17:54,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 916 states, 736 states have (on average 1.5638586956521738) internal successors, (1151), 865 states have internal predecessors, (1151), 43 states have call successors, (43), 18 states have call predecessors, (43), 17 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-29 03:17:54,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 916 states and 1226 transitions. [2023-11-29 03:17:54,065 INFO L78 Accepts]: Start accepts. Automaton has 916 states and 1226 transitions. Word has length 64 [2023-11-29 03:17:54,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:54,065 INFO L495 AbstractCegarLoop]: Abstraction has 916 states and 1226 transitions. [2023-11-29 03:17:54,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:17:54,066 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1226 transitions. [2023-11-29 03:17:54,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-29 03:17:54,066 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:54,066 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:54,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 03:17:54,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-29 03:17:54,267 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:17:54,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:54,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1431167774, now seen corresponding path program 2 times [2023-11-29 03:17:54,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:54,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829583663] [2023-11-29 03:17:54,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:54,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:54,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:17:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:54,694 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2023-11-29 03:17:54,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:54,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829583663] [2023-11-29 03:17:54,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829583663] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:17:54,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226148662] [2023-11-29 03:17:54,696 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 03:17:54,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:17:54,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:17:54,697 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:17:54,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 03:17:55,851 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 03:17:55,851 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 03:17:55,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 1396 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 03:17:55,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:17:55,909 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-11-29 03:17:55,909 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:17:55,982 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-11-29 03:17:55,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226148662] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:17:55,982 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:17:55,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2023-11-29 03:17:55,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291102630] [2023-11-29 03:17:55,983 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:17:55,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 03:17:55,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:55,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 03:17:55,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2023-11-29 03:17:55,984 INFO L87 Difference]: Start difference. First operand 916 states and 1226 transitions. Second operand has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 14 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:17:56,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:56,495 INFO L93 Difference]: Finished difference Result 1815 states and 2445 transitions. [2023-11-29 03:17:56,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-29 03:17:56,496 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 14 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 75 [2023-11-29 03:17:56,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:56,501 INFO L225 Difference]: With dead ends: 1815 [2023-11-29 03:17:56,501 INFO L226 Difference]: Without dead ends: 951 [2023-11-29 03:17:56,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=330, Invalid=792, Unknown=0, NotChecked=0, Total=1122 [2023-11-29 03:17:56,504 INFO L413 NwaCegarLoop]: 1054 mSDtfsCounter, 11 mSDsluCounter, 5250 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 6304 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:56,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 6304 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 03:17:56,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2023-11-29 03:17:56,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 951. [2023-11-29 03:17:56,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 951 states, 772 states have (on average 1.5362694300518134) internal successors, (1186), 900 states have internal predecessors, (1186), 43 states have call successors, (43), 18 states have call predecessors, (43), 17 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-29 03:17:56,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 951 states and 1261 transitions. [2023-11-29 03:17:56,547 INFO L78 Accepts]: Start accepts. Automaton has 951 states and 1261 transitions. Word has length 75 [2023-11-29 03:17:56,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:56,548 INFO L495 AbstractCegarLoop]: Abstraction has 951 states and 1261 transitions. [2023-11-29 03:17:56,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 14 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:17:56,548 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1261 transitions. [2023-11-29 03:17:56,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-29 03:17:56,549 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:56,549 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:56,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-29 03:17:56,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:17:56,750 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:17:56,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:56,750 INFO L85 PathProgramCache]: Analyzing trace with hash -928711628, now seen corresponding path program 1 times [2023-11-29 03:17:56,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:56,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762959529] [2023-11-29 03:17:56,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:56,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:57,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:17:57,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:57,190 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 03:17:57,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:57,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762959529] [2023-11-29 03:17:57,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762959529] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:17:57,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817209694] [2023-11-29 03:17:57,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:57,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:17:57,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:17:57,193 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:17:57,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 03:17:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:58,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 1526 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 03:17:58,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:17:58,273 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 03:17:58,274 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:17:58,337 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 03:17:58,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817209694] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:17:58,337 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:17:58,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2023-11-29 03:17:58,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116792617] [2023-11-29 03:17:58,337 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:17:58,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 03:17:58,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:58,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 03:17:58,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-11-29 03:17:58,338 INFO L87 Difference]: Start difference. First operand 951 states and 1261 transitions. Second operand has 13 states, 12 states have (on average 5.75) internal successors, (69), 13 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:17:59,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:59,009 INFO L93 Difference]: Finished difference Result 4046 states and 5857 transitions. [2023-11-29 03:17:59,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 03:17:59,010 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.75) internal successors, (69), 13 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 99 [2023-11-29 03:17:59,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:59,028 INFO L225 Difference]: With dead ends: 4046 [2023-11-29 03:17:59,028 INFO L226 Difference]: Without dead ends: 4045 [2023-11-29 03:17:59,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-11-29 03:17:59,029 INFO L413 NwaCegarLoop]: 1052 mSDtfsCounter, 7248 mSDsluCounter, 5531 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7318 SdHoareTripleChecker+Valid, 6583 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:59,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7318 Valid, 6583 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 03:17:59,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4045 states. [2023-11-29 03:17:59,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4045 to 975. [2023-11-29 03:17:59,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 975 states, 796 states have (on average 1.5276381909547738) internal successors, (1216), 924 states have internal predecessors, (1216), 43 states have call successors, (43), 18 states have call predecessors, (43), 17 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-29 03:17:59,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 1291 transitions. [2023-11-29 03:17:59,093 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 1291 transitions. Word has length 99 [2023-11-29 03:17:59,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:59,094 INFO L495 AbstractCegarLoop]: Abstraction has 975 states and 1291 transitions. [2023-11-29 03:17:59,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.75) internal successors, (69), 13 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:17:59,094 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1291 transitions. [2023-11-29 03:17:59,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-29 03:17:59,095 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:59,095 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:17:59,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-29 03:17:59,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:17:59,296 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:17:59,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:59,296 INFO L85 PathProgramCache]: Analyzing trace with hash -379650604, now seen corresponding path program 1 times [2023-11-29 03:17:59,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:59,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273213151] [2023-11-29 03:17:59,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:59,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:59,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:17:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:59,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:17:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:59,499 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 03:17:59,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:59,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273213151] [2023-11-29 03:17:59,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273213151] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:59,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:59,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:17:59,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738362172] [2023-11-29 03:17:59,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:59,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:17:59,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:59,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:17:59,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:17:59,501 INFO L87 Difference]: Start difference. First operand 975 states and 1291 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:18:00,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:00,472 INFO L93 Difference]: Finished difference Result 1765 states and 2393 transitions. [2023-11-29 03:18:00,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:18:00,472 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 104 [2023-11-29 03:18:00,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:00,477 INFO L225 Difference]: With dead ends: 1765 [2023-11-29 03:18:00,477 INFO L226 Difference]: Without dead ends: 1050 [2023-11-29 03:18:00,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:18:00,478 INFO L413 NwaCegarLoop]: 933 mSDtfsCounter, 331 mSDsluCounter, 1608 mSDsCounter, 0 mSdLazyCounter, 681 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 2541 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:00,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 2541 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 681 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 03:18:00,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1050 states. [2023-11-29 03:18:00,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1050 to 978. [2023-11-29 03:18:00,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 978 states, 801 states have (on average 1.5230961298377028) internal successors, (1220), 927 states have internal predecessors, (1220), 43 states have call successors, (43), 18 states have call predecessors, (43), 17 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-29 03:18:00,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 1295 transitions. [2023-11-29 03:18:00,513 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 1295 transitions. Word has length 104 [2023-11-29 03:18:00,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:00,513 INFO L495 AbstractCegarLoop]: Abstraction has 978 states and 1295 transitions. [2023-11-29 03:18:00,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:18:00,513 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1295 transitions. [2023-11-29 03:18:00,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-29 03:18:00,514 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:00,515 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:18:00,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 03:18:00,515 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:18:00,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:00,516 INFO L85 PathProgramCache]: Analyzing trace with hash -379018113, now seen corresponding path program 1 times [2023-11-29 03:18:00,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:00,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18764613] [2023-11-29 03:18:00,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:00,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:00,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:18:00,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:00,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:18:00,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:00,838 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 03:18:00,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:00,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18764613] [2023-11-29 03:18:00,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18764613] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:18:00,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:18:00,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:18:00,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471922884] [2023-11-29 03:18:00,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:18:00,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:18:00,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:00,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:18:00,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:18:00,841 INFO L87 Difference]: Start difference. First operand 978 states and 1295 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:18:01,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:01,835 INFO L93 Difference]: Finished difference Result 983 states and 1301 transitions. [2023-11-29 03:18:01,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:18:01,836 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 104 [2023-11-29 03:18:01,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:01,840 INFO L225 Difference]: With dead ends: 983 [2023-11-29 03:18:01,840 INFO L226 Difference]: Without dead ends: 980 [2023-11-29 03:18:01,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:18:01,841 INFO L413 NwaCegarLoop]: 793 mSDtfsCounter, 554 mSDsluCounter, 1199 mSDsCounter, 0 mSdLazyCounter, 673 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 1992 SdHoareTripleChecker+Invalid, 705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:01,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [574 Valid, 1992 Invalid, 705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 673 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 03:18:01,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2023-11-29 03:18:01,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 975. [2023-11-29 03:18:01,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 975 states, 801 states have (on average 1.5193508114856429) internal successors, (1217), 924 states have internal predecessors, (1217), 43 states have call successors, (43), 18 states have call predecessors, (43), 17 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-29 03:18:01,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 1292 transitions. [2023-11-29 03:18:01,873 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 1292 transitions. Word has length 104 [2023-11-29 03:18:01,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:01,873 INFO L495 AbstractCegarLoop]: Abstraction has 975 states and 1292 transitions. [2023-11-29 03:18:01,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:18:01,874 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1292 transitions. [2023-11-29 03:18:01,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-29 03:18:01,874 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:01,875 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:18:01,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 03:18:01,875 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:18:01,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:01,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1115734192, now seen corresponding path program 1 times [2023-11-29 03:18:01,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:01,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158113618] [2023-11-29 03:18:01,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:01,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:02,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:18:02,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:02,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:18:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:02,090 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 03:18:02,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:02,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158113618] [2023-11-29 03:18:02,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158113618] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:18:02,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:18:02,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:18:02,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605058361] [2023-11-29 03:18:02,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:18:02,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:18:02,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:02,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:18:02,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:18:02,092 INFO L87 Difference]: Start difference. First operand 975 states and 1292 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:18:03,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:03,015 INFO L93 Difference]: Finished difference Result 1770 states and 2398 transitions. [2023-11-29 03:18:03,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:18:03,016 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 105 [2023-11-29 03:18:03,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:03,022 INFO L225 Difference]: With dead ends: 1770 [2023-11-29 03:18:03,022 INFO L226 Difference]: Without dead ends: 1051 [2023-11-29 03:18:03,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:18:03,024 INFO L413 NwaCegarLoop]: 874 mSDtfsCounter, 449 mSDsluCounter, 1470 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 2344 SdHoareTripleChecker+Invalid, 721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:03,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 2344 Invalid, 721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 03:18:03,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states. [2023-11-29 03:18:03,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 960. [2023-11-29 03:18:03,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 960 states, 790 states have (on average 1.5151898734177216) internal successors, (1197), 909 states have internal predecessors, (1197), 43 states have call successors, (43), 18 states have call predecessors, (43), 17 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-29 03:18:03,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 1272 transitions. [2023-11-29 03:18:03,057 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 1272 transitions. Word has length 105 [2023-11-29 03:18:03,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:03,058 INFO L495 AbstractCegarLoop]: Abstraction has 960 states and 1272 transitions. [2023-11-29 03:18:03,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:18:03,058 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1272 transitions. [2023-11-29 03:18:03,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-29 03:18:03,059 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:03,059 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:18:03,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 03:18:03,059 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:18:03,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:03,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1135341473, now seen corresponding path program 1 times [2023-11-29 03:18:03,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:03,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254056282] [2023-11-29 03:18:03,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:03,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:03,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:03,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:18:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:03,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:18:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:03,341 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 03:18:03,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:03,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254056282] [2023-11-29 03:18:03,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254056282] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:18:03,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:18:03,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:18:03,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831579217] [2023-11-29 03:18:03,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:18:03,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:18:03,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:03,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:18:03,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:18:03,343 INFO L87 Difference]: Start difference. First operand 960 states and 1272 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:18:04,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:04,195 INFO L93 Difference]: Finished difference Result 1009 states and 1346 transitions. [2023-11-29 03:18:04,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:18:04,195 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 105 [2023-11-29 03:18:04,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:04,199 INFO L225 Difference]: With dead ends: 1009 [2023-11-29 03:18:04,199 INFO L226 Difference]: Without dead ends: 1008 [2023-11-29 03:18:04,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:18:04,200 INFO L413 NwaCegarLoop]: 795 mSDtfsCounter, 583 mSDsluCounter, 1251 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 2046 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:04,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 2046 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 03:18:04,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2023-11-29 03:18:04,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 959. [2023-11-29 03:18:04,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 959 states, 790 states have (on average 1.5139240506329115) internal successors, (1196), 908 states have internal predecessors, (1196), 43 states have call successors, (43), 18 states have call predecessors, (43), 17 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-29 03:18:04,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1271 transitions. [2023-11-29 03:18:04,234 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1271 transitions. Word has length 105 [2023-11-29 03:18:04,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:04,234 INFO L495 AbstractCegarLoop]: Abstraction has 959 states and 1271 transitions. [2023-11-29 03:18:04,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:18:04,234 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1271 transitions. [2023-11-29 03:18:04,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-29 03:18:04,235 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:04,235 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 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] [2023-11-29 03:18:04,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 03:18:04,236 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:18:04,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:04,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1297299650, now seen corresponding path program 1 times [2023-11-29 03:18:04,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:04,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095260139] [2023-11-29 03:18:04,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:04,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:04,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:04,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:18:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:04,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:18:04,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:04,536 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 03:18:04,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:04,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095260139] [2023-11-29 03:18:04,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095260139] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:18:04,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133634616] [2023-11-29 03:18:04,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:04,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:18:04,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:18:04,538 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:18:04,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 03:18:05,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:05,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 1612 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 03:18:05,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:18:05,612 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 03:18:05,612 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:18:05,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1133634616] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:18:05,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:18:05,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2023-11-29 03:18:05,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505123877] [2023-11-29 03:18:05,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:18:05,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:18:05,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:05,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:18:05,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:18:05,613 INFO L87 Difference]: Start difference. First operand 959 states and 1271 transitions. Second operand has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:18:05,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:05,852 INFO L93 Difference]: Finished difference Result 1798 states and 2427 transitions. [2023-11-29 03:18:05,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:18:05,853 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 106 [2023-11-29 03:18:05,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:05,857 INFO L225 Difference]: With dead ends: 1798 [2023-11-29 03:18:05,857 INFO L226 Difference]: Without dead ends: 1030 [2023-11-29 03:18:05,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:18:05,859 INFO L413 NwaCegarLoop]: 1099 mSDtfsCounter, 457 mSDsluCounter, 1806 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 2905 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:05,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 2905 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 03:18:05,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states. [2023-11-29 03:18:05,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 958. [2023-11-29 03:18:05,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 791 states have (on average 1.5082174462705435) internal successors, (1193), 907 states have internal predecessors, (1193), 43 states have call successors, (43), 18 states have call predecessors, (43), 17 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-29 03:18:05,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1268 transitions. [2023-11-29 03:18:05,891 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1268 transitions. Word has length 106 [2023-11-29 03:18:05,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:05,892 INFO L495 AbstractCegarLoop]: Abstraction has 958 states and 1268 transitions. [2023-11-29 03:18:05,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:18:05,892 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1268 transitions. [2023-11-29 03:18:05,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-29 03:18:05,893 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:05,893 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 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] [2023-11-29 03:18:05,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-29 03:18:06,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2023-11-29 03:18:06,094 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:18:06,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:06,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1164474629, now seen corresponding path program 1 times [2023-11-29 03:18:06,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:06,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128848910] [2023-11-29 03:18:06,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:06,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:06,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:18:06,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:06,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:18:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:06,282 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2023-11-29 03:18:06,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:06,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128848910] [2023-11-29 03:18:06,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128848910] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:18:06,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:18:06,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:18:06,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183159313] [2023-11-29 03:18:06,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:18:06,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:18:06,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:06,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:18:06,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:18:06,284 INFO L87 Difference]: Start difference. First operand 958 states and 1268 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:18:07,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:07,106 INFO L93 Difference]: Finished difference Result 960 states and 1271 transitions. [2023-11-29 03:18:07,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:18:07,107 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 108 [2023-11-29 03:18:07,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:07,110 INFO L225 Difference]: With dead ends: 960 [2023-11-29 03:18:07,111 INFO L226 Difference]: Without dead ends: 959 [2023-11-29 03:18:07,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:18:07,112 INFO L413 NwaCegarLoop]: 835 mSDtfsCounter, 218 mSDsluCounter, 1561 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 2396 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:07,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 2396 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 599 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 03:18:07,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2023-11-29 03:18:07,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 957. [2023-11-29 03:18:07,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 957 states, 791 states have (on average 1.506953223767383) internal successors, (1192), 906 states have internal predecessors, (1192), 43 states have call successors, (43), 18 states have call predecessors, (43), 17 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-29 03:18:07,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 957 states and 1267 transitions. [2023-11-29 03:18:07,150 INFO L78 Accepts]: Start accepts. Automaton has 957 states and 1267 transitions. Word has length 108 [2023-11-29 03:18:07,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:07,150 INFO L495 AbstractCegarLoop]: Abstraction has 957 states and 1267 transitions. [2023-11-29 03:18:07,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:18:07,151 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1267 transitions. [2023-11-29 03:18:07,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-29 03:18:07,152 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:07,152 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 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] [2023-11-29 03:18:07,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 03:18:07,153 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:18:07,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:07,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1738975974, now seen corresponding path program 1 times [2023-11-29 03:18:07,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:07,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578368977] [2023-11-29 03:18:07,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:07,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:07,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:07,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:18:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:07,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:18:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:07,877 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 03:18:07,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:07,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578368977] [2023-11-29 03:18:07,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578368977] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:18:07,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:18:07,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 03:18:07,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467413437] [2023-11-29 03:18:07,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:18:07,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:18:07,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:07,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:18:07,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:18:07,879 INFO L87 Difference]: Start difference. First operand 957 states and 1267 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:18:09,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:09,016 INFO L93 Difference]: Finished difference Result 1752 states and 2355 transitions. [2023-11-29 03:18:09,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:18:09,016 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 109 [2023-11-29 03:18:09,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:09,019 INFO L225 Difference]: With dead ends: 1752 [2023-11-29 03:18:09,019 INFO L226 Difference]: Without dead ends: 959 [2023-11-29 03:18:09,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:18:09,021 INFO L413 NwaCegarLoop]: 799 mSDtfsCounter, 1203 mSDsluCounter, 1926 mSDsCounter, 0 mSdLazyCounter, 954 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1220 SdHoareTripleChecker+Valid, 2725 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:09,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1220 Valid, 2725 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 954 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 03:18:09,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2023-11-29 03:18:09,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 957. [2023-11-29 03:18:09,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 957 states, 791 states have (on average 1.5056890012642226) internal successors, (1191), 906 states have internal predecessors, (1191), 43 states have call successors, (43), 18 states have call predecessors, (43), 17 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-29 03:18:09,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 957 states and 1266 transitions. [2023-11-29 03:18:09,055 INFO L78 Accepts]: Start accepts. Automaton has 957 states and 1266 transitions. Word has length 109 [2023-11-29 03:18:09,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:09,056 INFO L495 AbstractCegarLoop]: Abstraction has 957 states and 1266 transitions. [2023-11-29 03:18:09,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:18:09,056 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1266 transitions. [2023-11-29 03:18:09,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-29 03:18:09,057 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:09,057 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 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] [2023-11-29 03:18:09,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 03:18:09,057 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:18:09,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:09,058 INFO L85 PathProgramCache]: Analyzing trace with hash 921327524, now seen corresponding path program 1 times [2023-11-29 03:18:09,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:09,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182163938] [2023-11-29 03:18:09,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:09,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:09,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:18:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:09,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:18:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:09,638 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 03:18:09,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:09,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182163938] [2023-11-29 03:18:09,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182163938] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:18:09,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:18:09,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:18:09,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479012936] [2023-11-29 03:18:09,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:18:09,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:18:09,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:09,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:18:09,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:18:09,641 INFO L87 Difference]: Start difference. First operand 957 states and 1266 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:18:11,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:11,031 INFO L93 Difference]: Finished difference Result 1756 states and 2358 transitions. [2023-11-29 03:18:11,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:18:11,031 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 109 [2023-11-29 03:18:11,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:11,034 INFO L225 Difference]: With dead ends: 1756 [2023-11-29 03:18:11,034 INFO L226 Difference]: Without dead ends: 958 [2023-11-29 03:18:11,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:18:11,036 INFO L413 NwaCegarLoop]: 835 mSDtfsCounter, 217 mSDsluCounter, 2383 mSDsCounter, 0 mSdLazyCounter, 851 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 3218 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 851 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:11,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 3218 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 851 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 03:18:11,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2023-11-29 03:18:11,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 958. [2023-11-29 03:18:11,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 792 states have (on average 1.505050505050505) internal successors, (1192), 907 states have internal predecessors, (1192), 43 states have call successors, (43), 18 states have call predecessors, (43), 17 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-29 03:18:11,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1267 transitions. [2023-11-29 03:18:11,078 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1267 transitions. Word has length 109 [2023-11-29 03:18:11,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:11,078 INFO L495 AbstractCegarLoop]: Abstraction has 958 states and 1267 transitions. [2023-11-29 03:18:11,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:18:11,078 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1267 transitions. [2023-11-29 03:18:11,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-29 03:18:11,080 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:11,080 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 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] [2023-11-29 03:18:11,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-29 03:18:11,080 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:18:11,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:11,081 INFO L85 PathProgramCache]: Analyzing trace with hash -525058961, now seen corresponding path program 1 times [2023-11-29 03:18:11,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:11,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268371033] [2023-11-29 03:18:11,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:11,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:11,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:11,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:18:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:11,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:18:11,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:11,715 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 03:18:11,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:11,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268371033] [2023-11-29 03:18:11,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268371033] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:18:11,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523092179] [2023-11-29 03:18:11,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:11,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:18:11,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:18:11,717 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:18:11,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-29 03:18:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:12,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 1631 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-29 03:18:12,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:18:13,082 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-11-29 03:18:13,082 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:18:13,370 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-11-29 03:18:13,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [523092179] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:18:13,371 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:18:13,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 8] total 18 [2023-11-29 03:18:13,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449624966] [2023-11-29 03:18:13,371 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:18:13,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-29 03:18:13,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:13,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-29 03:18:13,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-11-29 03:18:13,373 INFO L87 Difference]: Start difference. First operand 958 states and 1267 transitions. Second operand has 18 states, 17 states have (on average 8.117647058823529) internal successors, (138), 17 states have internal predecessors, (138), 5 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2023-11-29 03:18:17,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:17,872 INFO L93 Difference]: Finished difference Result 1886 states and 2529 transitions. [2023-11-29 03:18:17,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 03:18:17,873 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 8.117647058823529) internal successors, (138), 17 states have internal predecessors, (138), 5 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) Word has length 110 [2023-11-29 03:18:17,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:17,875 INFO L225 Difference]: With dead ends: 1886 [2023-11-29 03:18:17,875 INFO L226 Difference]: Without dead ends: 1088 [2023-11-29 03:18:17,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=106, Invalid=544, Unknown=0, NotChecked=0, Total=650 [2023-11-29 03:18:17,877 INFO L413 NwaCegarLoop]: 888 mSDtfsCounter, 1493 mSDsluCounter, 9922 mSDsCounter, 0 mSdLazyCounter, 4247 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1510 SdHoareTripleChecker+Valid, 10810 SdHoareTripleChecker+Invalid, 4350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 4247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:17,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1510 Valid, 10810 Invalid, 4350 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [103 Valid, 4247 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-29 03:18:17,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2023-11-29 03:18:17,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 985. [2023-11-29 03:18:17,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 985 states, 819 states have (on average 1.496947496947497) internal successors, (1226), 934 states have internal predecessors, (1226), 43 states have call successors, (43), 18 states have call predecessors, (43), 17 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-29 03:18:17,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 985 states and 1301 transitions. [2023-11-29 03:18:17,917 INFO L78 Accepts]: Start accepts. Automaton has 985 states and 1301 transitions. Word has length 110 [2023-11-29 03:18:17,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:17,917 INFO L495 AbstractCegarLoop]: Abstraction has 985 states and 1301 transitions. [2023-11-29 03:18:17,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 8.117647058823529) internal successors, (138), 17 states have internal predecessors, (138), 5 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2023-11-29 03:18:17,917 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1301 transitions. [2023-11-29 03:18:17,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-29 03:18:17,918 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:17,918 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 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] [2023-11-29 03:18:17,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-29 03:18:18,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2023-11-29 03:18:18,119 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:18:18,119 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:18,119 INFO L85 PathProgramCache]: Analyzing trace with hash 192656518, now seen corresponding path program 1 times [2023-11-29 03:18:18,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:18,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108369357] [2023-11-29 03:18:18,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:18,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:18,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:18:18,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:18,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:18:18,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:18,886 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 03:18:18,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:18,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108369357] [2023-11-29 03:18:18,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108369357] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:18:18,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618737477] [2023-11-29 03:18:18,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:18,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:18:18,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:18:18,888 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:18:18,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-29 03:18:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:21,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 1643 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 03:18:21,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:18:21,744 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 03:18:21,744 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:18:21,871 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 03:18:21,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [618737477] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:18:21,871 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:18:21,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14 [2023-11-29 03:18:21,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490849709] [2023-11-29 03:18:21,872 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:18:21,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 03:18:21,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:21,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 03:18:21,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2023-11-29 03:18:21,874 INFO L87 Difference]: Start difference. First operand 985 states and 1301 transitions. Second operand has 14 states, 11 states have (on average 5.090909090909091) internal successors, (56), 13 states have internal predecessors, (56), 1 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 03:18:23,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:23,893 INFO L93 Difference]: Finished difference Result 1814 states and 2433 transitions. [2023-11-29 03:18:23,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 03:18:23,894 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 5.090909090909091) internal successors, (56), 13 states have internal predecessors, (56), 1 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 111 [2023-11-29 03:18:23,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:23,895 INFO L225 Difference]: With dead ends: 1814 [2023-11-29 03:18:23,896 INFO L226 Difference]: Without dead ends: 989 [2023-11-29 03:18:23,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2023-11-29 03:18:23,897 INFO L413 NwaCegarLoop]: 834 mSDtfsCounter, 216 mSDsluCounter, 3193 mSDsCounter, 0 mSdLazyCounter, 1144 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 4027 SdHoareTripleChecker+Invalid, 1173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:23,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 4027 Invalid, 1173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1144 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 03:18:23,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2023-11-29 03:18:23,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 989. [2023-11-29 03:18:23,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 989 states, 823 states have (on average 1.49453219927096) internal successors, (1230), 938 states have internal predecessors, (1230), 43 states have call successors, (43), 18 states have call predecessors, (43), 17 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-29 03:18:23,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 989 states and 1305 transitions. [2023-11-29 03:18:23,946 INFO L78 Accepts]: Start accepts. Automaton has 989 states and 1305 transitions. Word has length 111 [2023-11-29 03:18:23,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:23,946 INFO L495 AbstractCegarLoop]: Abstraction has 989 states and 1305 transitions. [2023-11-29 03:18:23,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 5.090909090909091) internal successors, (56), 13 states have internal predecessors, (56), 1 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 03:18:23,946 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1305 transitions. [2023-11-29 03:18:23,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-29 03:18:23,947 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:23,948 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 10, 10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:18:23,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-11-29 03:18:24,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:18:24,148 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:18:24,148 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:24,149 INFO L85 PathProgramCache]: Analyzing trace with hash -282467671, now seen corresponding path program 1 times [2023-11-29 03:18:24,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:24,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639058528] [2023-11-29 03:18:24,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:24,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:24,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:24,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:18:24,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:24,595 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-29 03:18:24,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:24,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639058528] [2023-11-29 03:18:24,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639058528] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:18:24,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986310045] [2023-11-29 03:18:24,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:24,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:18:24,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:18:24,597 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:18:24,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-29 03:18:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:25,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 1625 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:18:25,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:18:25,763 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-29 03:18:25,763 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:18:25,844 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-29 03:18:25,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [986310045] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:18:25,844 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:18:25,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2023-11-29 03:18:25,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378025783] [2023-11-29 03:18:25,845 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:18:25,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:18:25,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:25,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:18:25,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:18:25,846 INFO L87 Difference]: Start difference. First operand 989 states and 1305 transitions. Second operand has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:18:26,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:26,131 INFO L93 Difference]: Finished difference Result 1098 states and 1422 transitions. [2023-11-29 03:18:26,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:18:26,132 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 112 [2023-11-29 03:18:26,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:26,134 INFO L225 Difference]: With dead ends: 1098 [2023-11-29 03:18:26,135 INFO L226 Difference]: Without dead ends: 1097 [2023-11-29 03:18:26,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:18:26,135 INFO L413 NwaCegarLoop]: 1041 mSDtfsCounter, 3 mSDsluCounter, 4156 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 5197 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:26,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 5197 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 03:18:26,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2023-11-29 03:18:26,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 1094. [2023-11-29 03:18:26,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1094 states, 928 states have (on average 1.4450431034482758) internal successors, (1341), 1043 states have internal predecessors, (1341), 43 states have call successors, (43), 18 states have call predecessors, (43), 17 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-29 03:18:26,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 1416 transitions. [2023-11-29 03:18:26,182 INFO L78 Accepts]: Start accepts. Automaton has 1094 states and 1416 transitions. Word has length 112 [2023-11-29 03:18:26,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:26,183 INFO L495 AbstractCegarLoop]: Abstraction has 1094 states and 1416 transitions. [2023-11-29 03:18:26,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:18:26,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1416 transitions. [2023-11-29 03:18:26,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-29 03:18:26,184 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:26,184 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 6, 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] [2023-11-29 03:18:26,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-11-29 03:18:26,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:18:26,385 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:18:26,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:26,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1803002042, now seen corresponding path program 2 times [2023-11-29 03:18:26,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:26,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649613437] [2023-11-29 03:18:26,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:26,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:26,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:26,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:18:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:26,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:18:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:27,171 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 03:18:27,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:27,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649613437] [2023-11-29 03:18:27,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649613437] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:18:27,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125982842] [2023-11-29 03:18:27,172 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 03:18:27,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:18:27,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:18:27,173 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:18:27,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-29 03:18:28,849 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 03:18:28,850 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 03:18:28,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 1703 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-29 03:18:28,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:18:29,112 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 03:18:29,112 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:18:29,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125982842] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:18:29,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:18:29,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 15 [2023-11-29 03:18:29,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738921408] [2023-11-29 03:18:29,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:18:29,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:18:29,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:29,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:18:29,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2023-11-29 03:18:29,114 INFO L87 Difference]: Start difference. First operand 1094 states and 1416 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:18:29,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:29,648 INFO L93 Difference]: Finished difference Result 1904 states and 2523 transitions. [2023-11-29 03:18:29,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:18:29,649 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 115 [2023-11-29 03:18:29,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:29,651 INFO L225 Difference]: With dead ends: 1904 [2023-11-29 03:18:29,651 INFO L226 Difference]: Without dead ends: 1124 [2023-11-29 03:18:29,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2023-11-29 03:18:29,653 INFO L413 NwaCegarLoop]: 1053 mSDtfsCounter, 1070 mSDsluCounter, 2495 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1076 SdHoareTripleChecker+Valid, 3548 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:29,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1076 Valid, 3548 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 03:18:29,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2023-11-29 03:18:29,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 1084. [2023-11-29 03:18:29,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 918 states have (on average 1.4455337690631809) internal successors, (1327), 1033 states have internal predecessors, (1327), 43 states have call successors, (43), 18 states have call predecessors, (43), 17 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-29 03:18:29,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1402 transitions. [2023-11-29 03:18:29,701 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1402 transitions. Word has length 115 [2023-11-29 03:18:29,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:29,701 INFO L495 AbstractCegarLoop]: Abstraction has 1084 states and 1402 transitions. [2023-11-29 03:18:29,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:18:29,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1402 transitions. [2023-11-29 03:18:29,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-29 03:18:29,702 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:29,702 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 6, 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] [2023-11-29 03:18:29,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-11-29 03:18:29,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:18:29,903 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:18:29,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:29,903 INFO L85 PathProgramCache]: Analyzing trace with hash -86209037, now seen corresponding path program 1 times [2023-11-29 03:18:29,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:29,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696395978] [2023-11-29 03:18:29,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:29,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:30,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:30,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:18:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:30,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:18:30,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:30,592 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 03:18:30,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:30,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696395978] [2023-11-29 03:18:30,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696395978] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:18:30,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [589990718] [2023-11-29 03:18:30,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:30,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:18:30,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:18:30,594 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:18:30,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-29 03:18:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:31,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 1730 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-29 03:18:31,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:18:32,014 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 03:18:32,015 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:18:32,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [589990718] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:18:32,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:18:32,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 16 [2023-11-29 03:18:32,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782902460] [2023-11-29 03:18:32,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:18:32,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:18:32,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:32,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:18:32,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2023-11-29 03:18:32,016 INFO L87 Difference]: Start difference. First operand 1084 states and 1402 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:18:32,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:32,609 INFO L93 Difference]: Finished difference Result 1907 states and 2527 transitions. [2023-11-29 03:18:32,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 03:18:32,609 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 117 [2023-11-29 03:18:32,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:32,611 INFO L225 Difference]: With dead ends: 1907 [2023-11-29 03:18:32,612 INFO L226 Difference]: Without dead ends: 1143 [2023-11-29 03:18:32,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2023-11-29 03:18:32,613 INFO L413 NwaCegarLoop]: 1052 mSDtfsCounter, 1212 mSDsluCounter, 3502 mSDsCounter, 0 mSdLazyCounter, 560 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1218 SdHoareTripleChecker+Valid, 4554 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:32,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1218 Valid, 4554 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 560 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 03:18:32,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1143 states. [2023-11-29 03:18:32,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1143 to 1084. [2023-11-29 03:18:32,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 918 states have (on average 1.4444444444444444) internal successors, (1326), 1033 states have internal predecessors, (1326), 43 states have call successors, (43), 18 states have call predecessors, (43), 17 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-29 03:18:32,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1401 transitions. [2023-11-29 03:18:32,661 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1401 transitions. Word has length 117 [2023-11-29 03:18:32,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:32,661 INFO L495 AbstractCegarLoop]: Abstraction has 1084 states and 1401 transitions. [2023-11-29 03:18:32,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:18:32,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1401 transitions. [2023-11-29 03:18:32,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-29 03:18:32,662 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:32,662 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:18:32,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-11-29 03:18:32,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:18:32,863 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:18:32,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:32,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1154743915, now seen corresponding path program 1 times [2023-11-29 03:18:32,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:32,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380140056] [2023-11-29 03:18:32,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:32,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:33,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:18:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:33,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:18:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:33,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 03:18:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:33,184 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 03:18:33,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:33,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380140056] [2023-11-29 03:18:33,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380140056] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:18:33,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:18:33,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:18:33,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760711838] [2023-11-29 03:18:33,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:18:33,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:18:33,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:33,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:18:33,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:18:33,185 INFO L87 Difference]: Start difference. First operand 1084 states and 1401 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:18:33,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:33,915 INFO L93 Difference]: Finished difference Result 1801 states and 2386 transitions. [2023-11-29 03:18:33,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:18:33,915 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 121 [2023-11-29 03:18:33,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:33,917 INFO L225 Difference]: With dead ends: 1801 [2023-11-29 03:18:33,917 INFO L226 Difference]: Without dead ends: 1035 [2023-11-29 03:18:33,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:18:33,919 INFO L413 NwaCegarLoop]: 796 mSDtfsCounter, 1362 mSDsluCounter, 1471 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1378 SdHoareTripleChecker+Valid, 2267 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:33,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1378 Valid, 2267 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 03:18:33,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states. [2023-11-29 03:18:33,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 1033. [2023-11-29 03:18:33,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 872 states have (on average 1.4461009174311927) internal successors, (1261), 985 states have internal predecessors, (1261), 41 states have call successors, (41), 17 states have call predecessors, (41), 16 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 03:18:33,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1332 transitions. [2023-11-29 03:18:33,981 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1332 transitions. Word has length 121 [2023-11-29 03:18:33,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:33,981 INFO L495 AbstractCegarLoop]: Abstraction has 1033 states and 1332 transitions. [2023-11-29 03:18:33,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:18:33,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1332 transitions. [2023-11-29 03:18:33,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-29 03:18:33,982 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:33,982 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 6, 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] [2023-11-29 03:18:33,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-29 03:18:33,983 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:18:33,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:33,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1603188447, now seen corresponding path program 1 times [2023-11-29 03:18:33,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:33,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658920225] [2023-11-29 03:18:33,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:33,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:34,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:34,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:18:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:34,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:18:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:34,682 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-11-29 03:18:34,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:34,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658920225] [2023-11-29 03:18:34,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658920225] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:18:34,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780088080] [2023-11-29 03:18:34,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:34,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:18:34,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:18:34,683 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:18:34,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-29 03:18:35,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:35,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 1736 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-29 03:18:35,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:18:36,470 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 03:18:36,471 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:18:36,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1780088080] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:18:36,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:18:36,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 17 [2023-11-29 03:18:36,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729907036] [2023-11-29 03:18:36,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:18:36,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:18:36,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:36,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:18:36,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2023-11-29 03:18:36,473 INFO L87 Difference]: Start difference. First operand 1033 states and 1332 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:18:37,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:37,142 INFO L93 Difference]: Finished difference Result 1760 states and 2327 transitions. [2023-11-29 03:18:37,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 03:18:37,143 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 120 [2023-11-29 03:18:37,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:37,145 INFO L225 Difference]: With dead ends: 1760 [2023-11-29 03:18:37,145 INFO L226 Difference]: Without dead ends: 1013 [2023-11-29 03:18:37,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=357, Unknown=0, NotChecked=0, Total=420 [2023-11-29 03:18:37,146 INFO L413 NwaCegarLoop]: 963 mSDtfsCounter, 1330 mSDsluCounter, 4199 mSDsCounter, 0 mSdLazyCounter, 672 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1335 SdHoareTripleChecker+Valid, 5162 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:37,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1335 Valid, 5162 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 672 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 03:18:37,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1013 states. [2023-11-29 03:18:37,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1013 to 1010. [2023-11-29 03:18:37,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1010 states, 850 states have (on average 1.448235294117647) internal successors, (1231), 962 states have internal predecessors, (1231), 41 states have call successors, (41), 17 states have call predecessors, (41), 16 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 03:18:37,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 1010 states and 1302 transitions. [2023-11-29 03:18:37,189 INFO L78 Accepts]: Start accepts. Automaton has 1010 states and 1302 transitions. Word has length 120 [2023-11-29 03:18:37,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:37,189 INFO L495 AbstractCegarLoop]: Abstraction has 1010 states and 1302 transitions. [2023-11-29 03:18:37,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:18:37,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1302 transitions. [2023-11-29 03:18:37,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-29 03:18:37,190 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:37,190 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:18:37,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-11-29 03:18:37,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:18:37,390 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:18:37,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:37,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1176219004, now seen corresponding path program 1 times [2023-11-29 03:18:37,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:37,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480998376] [2023-11-29 03:18:37,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:37,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:37,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:37,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:18:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:37,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:18:37,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:37,706 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 03:18:37,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:37,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480998376] [2023-11-29 03:18:37,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480998376] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:18:37,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:18:37,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:18:37,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170172651] [2023-11-29 03:18:37,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:18:37,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:18:37,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:37,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:18:37,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:18:37,708 INFO L87 Difference]: Start difference. First operand 1010 states and 1302 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:18:38,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:38,859 INFO L93 Difference]: Finished difference Result 1976 states and 2672 transitions. [2023-11-29 03:18:38,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:18:38,860 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 122 [2023-11-29 03:18:38,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:38,862 INFO L225 Difference]: With dead ends: 1976 [2023-11-29 03:18:38,862 INFO L226 Difference]: Without dead ends: 1356 [2023-11-29 03:18:38,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:18:38,863 INFO L413 NwaCegarLoop]: 792 mSDtfsCounter, 673 mSDsluCounter, 2210 mSDsCounter, 0 mSdLazyCounter, 921 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 693 SdHoareTripleChecker+Valid, 3002 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:38,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [693 Valid, 3002 Invalid, 966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 921 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 03:18:38,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1356 states. [2023-11-29 03:18:38,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1356 to 1309. [2023-11-29 03:18:38,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1309 states, 1140 states have (on average 1.4859649122807017) internal successors, (1694), 1252 states have internal predecessors, (1694), 50 states have call successors, (50), 17 states have call predecessors, (50), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2023-11-29 03:18:38,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 1309 states and 1783 transitions. [2023-11-29 03:18:38,919 INFO L78 Accepts]: Start accepts. Automaton has 1309 states and 1783 transitions. Word has length 122 [2023-11-29 03:18:38,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:38,919 INFO L495 AbstractCegarLoop]: Abstraction has 1309 states and 1783 transitions. [2023-11-29 03:18:38,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:18:38,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 1783 transitions. [2023-11-29 03:18:38,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-29 03:18:38,921 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:38,921 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:18:38,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-11-29 03:18:38,921 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:18:38,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:38,921 INFO L85 PathProgramCache]: Analyzing trace with hash -918053566, now seen corresponding path program 1 times [2023-11-29 03:18:38,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:38,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120650396] [2023-11-29 03:18:38,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:38,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:39,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:18:39,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:39,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:18:39,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:39,124 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 03:18:39,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:39,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120650396] [2023-11-29 03:18:39,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120650396] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:18:39,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:18:39,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:18:39,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757574553] [2023-11-29 03:18:39,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:18:39,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:18:39,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:39,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:18:39,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:18:39,126 INFO L87 Difference]: Start difference. First operand 1309 states and 1783 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:18:39,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:39,934 INFO L93 Difference]: Finished difference Result 2118 states and 2936 transitions. [2023-11-29 03:18:39,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:18:39,935 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 122 [2023-11-29 03:18:39,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:39,937 INFO L225 Difference]: With dead ends: 2118 [2023-11-29 03:18:39,937 INFO L226 Difference]: Without dead ends: 1313 [2023-11-29 03:18:39,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:18:39,939 INFO L413 NwaCegarLoop]: 790 mSDtfsCounter, 212 mSDsluCounter, 1466 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 2256 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:39,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 2256 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 03:18:39,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1313 states. [2023-11-29 03:18:39,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1313 to 1313. [2023-11-29 03:18:39,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1313 states, 1144 states have (on average 1.4842657342657342) internal successors, (1698), 1256 states have internal predecessors, (1698), 50 states have call successors, (50), 17 states have call predecessors, (50), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2023-11-29 03:18:39,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1313 states to 1313 states and 1787 transitions. [2023-11-29 03:18:39,998 INFO L78 Accepts]: Start accepts. Automaton has 1313 states and 1787 transitions. Word has length 122 [2023-11-29 03:18:39,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:39,998 INFO L495 AbstractCegarLoop]: Abstraction has 1313 states and 1787 transitions. [2023-11-29 03:18:39,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:18:39,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 1787 transitions. [2023-11-29 03:18:40,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-29 03:18:40,001 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:40,001 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:18:40,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-11-29 03:18:40,001 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:18:40,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:40,002 INFO L85 PathProgramCache]: Analyzing trace with hash -743371782, now seen corresponding path program 1 times [2023-11-29 03:18:40,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:40,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202266356] [2023-11-29 03:18:40,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:40,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:40,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:18:40,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:40,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:18:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:40,443 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 03:18:40,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:40,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202266356] [2023-11-29 03:18:40,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202266356] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:18:40,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:18:40,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:18:40,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902932686] [2023-11-29 03:18:40,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:18:40,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:18:40,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:40,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:18:40,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:18:40,445 INFO L87 Difference]: Start difference. First operand 1313 states and 1787 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:18:41,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:41,278 INFO L93 Difference]: Finished difference Result 1798 states and 2414 transitions. [2023-11-29 03:18:41,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:18:41,278 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 126 [2023-11-29 03:18:41,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:41,281 INFO L225 Difference]: With dead ends: 1798 [2023-11-29 03:18:41,281 INFO L226 Difference]: Without dead ends: 1316 [2023-11-29 03:18:41,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:18:41,282 INFO L413 NwaCegarLoop]: 791 mSDtfsCounter, 1140 mSDsluCounter, 1488 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1156 SdHoareTripleChecker+Valid, 2279 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:41,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1156 Valid, 2279 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 03:18:41,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1316 states. [2023-11-29 03:18:41,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1316 to 1315. [2023-11-29 03:18:41,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1315 states, 1146 states have (on average 1.4799301919720769) internal successors, (1696), 1258 states have internal predecessors, (1696), 50 states have call successors, (50), 17 states have call predecessors, (50), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2023-11-29 03:18:41,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 1315 states and 1785 transitions. [2023-11-29 03:18:41,346 INFO L78 Accepts]: Start accepts. Automaton has 1315 states and 1785 transitions. Word has length 126 [2023-11-29 03:18:41,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:41,346 INFO L495 AbstractCegarLoop]: Abstraction has 1315 states and 1785 transitions. [2023-11-29 03:18:41,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:18:41,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1785 transitions. [2023-11-29 03:18:41,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-29 03:18:41,348 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:41,348 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:18:41,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-11-29 03:18:41,349 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:18:41,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:41,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1263157470, now seen corresponding path program 2 times [2023-11-29 03:18:41,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:41,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638770847] [2023-11-29 03:18:41,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:41,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:41,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:41,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:18:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:41,856 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 03:18:41,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:41,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638770847] [2023-11-29 03:18:41,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638770847] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:18:41,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2140640549] [2023-11-29 03:18:41,856 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 03:18:41,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:18:41,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:18:41,857 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:18:41,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-29 03:18:43,004 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 03:18:43,004 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 03:18:43,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 1580 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 03:18:43,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:18:43,068 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 03:18:43,068 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:18:43,252 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 03:18:43,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2140640549] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:18:43,252 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:18:43,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2023-11-29 03:18:43,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744414210] [2023-11-29 03:18:43,252 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:18:43,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-29 03:18:43,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:43,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-29 03:18:43,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2023-11-29 03:18:43,254 INFO L87 Difference]: Start difference. First operand 1315 states and 1785 transitions. Second operand has 25 states, 24 states have (on average 4.875) internal successors, (117), 25 states have internal predecessors, (117), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:18:45,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:45,470 INFO L93 Difference]: Finished difference Result 6356 states and 9352 transitions. [2023-11-29 03:18:45,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-29 03:18:45,471 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 4.875) internal successors, (117), 25 states have internal predecessors, (117), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 123 [2023-11-29 03:18:45,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:45,481 INFO L225 Difference]: With dead ends: 6356 [2023-11-29 03:18:45,481 INFO L226 Difference]: Without dead ends: 6355 [2023-11-29 03:18:45,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2023-11-29 03:18:45,483 INFO L413 NwaCegarLoop]: 988 mSDtfsCounter, 12418 mSDsluCounter, 13928 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12550 SdHoareTripleChecker+Valid, 14916 SdHoareTripleChecker+Invalid, 999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:45,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12550 Valid, 14916 Invalid, 999 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [91 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 03:18:45,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6355 states. [2023-11-29 03:18:45,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6355 to 1363. [2023-11-29 03:18:45,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1363 states, 1194 states have (on average 1.4706867671691792) internal successors, (1756), 1306 states have internal predecessors, (1756), 50 states have call successors, (50), 17 states have call predecessors, (50), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2023-11-29 03:18:45,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1363 states and 1845 transitions. [2023-11-29 03:18:45,593 INFO L78 Accepts]: Start accepts. Automaton has 1363 states and 1845 transitions. Word has length 123 [2023-11-29 03:18:45,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:45,593 INFO L495 AbstractCegarLoop]: Abstraction has 1363 states and 1845 transitions. [2023-11-29 03:18:45,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 4.875) internal successors, (117), 25 states have internal predecessors, (117), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:18:45,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 1845 transitions. [2023-11-29 03:18:45,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-29 03:18:45,595 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:45,595 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:18:45,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-11-29 03:18:45,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2023-11-29 03:18:45,796 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:18:45,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:45,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1094420989, now seen corresponding path program 1 times [2023-11-29 03:18:45,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:45,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112868240] [2023-11-29 03:18:45,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:45,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:45,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:46,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:18:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:46,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:18:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:46,075 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 03:18:46,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:46,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112868240] [2023-11-29 03:18:46,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112868240] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:18:46,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:18:46,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:18:46,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496443387] [2023-11-29 03:18:46,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:18:46,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:18:46,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:46,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:18:46,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:18:46,077 INFO L87 Difference]: Start difference. First operand 1363 states and 1845 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:18:46,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:46,970 INFO L93 Difference]: Finished difference Result 1372 states and 1857 transitions. [2023-11-29 03:18:46,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:18:46,970 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 127 [2023-11-29 03:18:46,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:46,973 INFO L225 Difference]: With dead ends: 1372 [2023-11-29 03:18:46,973 INFO L226 Difference]: Without dead ends: 1370 [2023-11-29 03:18:46,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 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 03:18:46,974 INFO L413 NwaCegarLoop]: 791 mSDtfsCounter, 218 mSDsluCounter, 1488 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 2279 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:46,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 2279 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 03:18:46,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1370 states. [2023-11-29 03:18:47,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1370 to 1367. [2023-11-29 03:18:47,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1367 states, 1198 states have (on average 1.4707846410684473) internal successors, (1762), 1310 states have internal predecessors, (1762), 50 states have call successors, (50), 17 states have call predecessors, (50), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2023-11-29 03:18:47,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1367 states and 1851 transitions. [2023-11-29 03:18:47,044 INFO L78 Accepts]: Start accepts. Automaton has 1367 states and 1851 transitions. Word has length 127 [2023-11-29 03:18:47,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:47,044 INFO L495 AbstractCegarLoop]: Abstraction has 1367 states and 1851 transitions. [2023-11-29 03:18:47,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:18:47,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1851 transitions. [2023-11-29 03:18:47,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-29 03:18:47,046 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:47,046 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 6, 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] [2023-11-29 03:18:47,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-11-29 03:18:47,046 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:18:47,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:47,047 INFO L85 PathProgramCache]: Analyzing trace with hash -224500451, now seen corresponding path program 1 times [2023-11-29 03:18:47,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:47,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868260287] [2023-11-29 03:18:47,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:47,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:47,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:47,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:18:47,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:47,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 03:18:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:47,416 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 03:18:47,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:47,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868260287] [2023-11-29 03:18:47,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868260287] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:18:47,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75008428] [2023-11-29 03:18:47,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:47,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:18:47,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:18:47,417 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:18:47,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-29 03:18:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:48,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 1761 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 03:18:48,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:18:48,723 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 03:18:48,723 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:18:48,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [75008428] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:18:48,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:18:48,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2023-11-29 03:18:48,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254192209] [2023-11-29 03:18:48,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:18:48,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:18:48,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:48,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:18:48,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:18:48,726 INFO L87 Difference]: Start difference. First operand 1367 states and 1851 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:18:49,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:49,210 INFO L93 Difference]: Finished difference Result 2050 states and 2764 transitions. [2023-11-29 03:18:49,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 03:18:49,210 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 126 [2023-11-29 03:18:49,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:49,213 INFO L225 Difference]: With dead ends: 2050 [2023-11-29 03:18:49,213 INFO L226 Difference]: Without dead ends: 1424 [2023-11-29 03:18:49,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-11-29 03:18:49,215 INFO L413 NwaCegarLoop]: 1307 mSDtfsCounter, 717 mSDsluCounter, 4850 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 727 SdHoareTripleChecker+Valid, 6157 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:49,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [727 Valid, 6157 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 03:18:49,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1424 states. [2023-11-29 03:18:49,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1424 to 1383. [2023-11-29 03:18:49,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1383 states, 1213 states have (on average 1.4723825226710634) internal successors, (1786), 1325 states have internal predecessors, (1786), 51 states have call successors, (51), 17 states have call predecessors, (51), 16 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 03:18:49,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1383 states and 1877 transitions. [2023-11-29 03:18:49,309 INFO L78 Accepts]: Start accepts. Automaton has 1383 states and 1877 transitions. Word has length 126 [2023-11-29 03:18:49,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:49,309 INFO L495 AbstractCegarLoop]: Abstraction has 1383 states and 1877 transitions. [2023-11-29 03:18:49,309 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:18:49,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 1877 transitions. [2023-11-29 03:18:49,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-29 03:18:49,311 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:49,311 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 6, 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] [2023-11-29 03:18:49,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2023-11-29 03:18:49,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2023-11-29 03:18:49,512 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:18:49,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:49,512 INFO L85 PathProgramCache]: Analyzing trace with hash -617527461, now seen corresponding path program 1 times [2023-11-29 03:18:49,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:49,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378268174] [2023-11-29 03:18:49,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:49,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:49,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:18:49,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:49,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 03:18:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:49,919 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 03:18:49,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:49,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378268174] [2023-11-29 03:18:49,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378268174] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:18:49,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [888845523] [2023-11-29 03:18:49,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:49,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:18:49,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:18:49,921 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:18:49,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-11-29 03:18:51,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:51,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 1768 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 03:18:51,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:18:51,388 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 03:18:51,388 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:18:51,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [888845523] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:18:51,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:18:51,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2023-11-29 03:18:51,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112357466] [2023-11-29 03:18:51,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:18:51,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:18:51,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:51,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:18:51,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:18:51,390 INFO L87 Difference]: Start difference. First operand 1383 states and 1877 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:18:51,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:51,770 INFO L93 Difference]: Finished difference Result 1541 states and 2108 transitions. [2023-11-29 03:18:51,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:18:51,771 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 126 [2023-11-29 03:18:51,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:51,775 INFO L225 Difference]: With dead ends: 1541 [2023-11-29 03:18:51,775 INFO L226 Difference]: Without dead ends: 1538 [2023-11-29 03:18:51,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:18:51,776 INFO L413 NwaCegarLoop]: 1306 mSDtfsCounter, 799 mSDsluCounter, 2251 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 813 SdHoareTripleChecker+Valid, 3557 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:51,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [813 Valid, 3557 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 03:18:51,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1538 states. [2023-11-29 03:18:51,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1538 to 1469. [2023-11-29 03:18:51,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1469 states, 1297 states have (on average 1.4865073245952198) internal successors, (1928), 1409 states have internal predecessors, (1928), 53 states have call successors, (53), 17 states have call predecessors, (53), 16 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-29 03:18:51,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 2023 transitions. [2023-11-29 03:18:51,861 INFO L78 Accepts]: Start accepts. Automaton has 1469 states and 2023 transitions. Word has length 126 [2023-11-29 03:18:51,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:51,861 INFO L495 AbstractCegarLoop]: Abstraction has 1469 states and 2023 transitions. [2023-11-29 03:18:51,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:18:51,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 2023 transitions. [2023-11-29 03:18:51,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-29 03:18:51,863 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:51,863 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:18:51,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2023-11-29 03:18:52,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2023-11-29 03:18:52,063 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:18:52,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:52,064 INFO L85 PathProgramCache]: Analyzing trace with hash 486522904, now seen corresponding path program 1 times [2023-11-29 03:18:52,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:52,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531932284] [2023-11-29 03:18:52,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:52,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:52,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:18:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:52,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:18:52,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:52,367 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 03:18:52,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:52,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531932284] [2023-11-29 03:18:52,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531932284] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:18:52,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:18:52,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:18:52,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215144097] [2023-11-29 03:18:52,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:18:52,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:18:52,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:52,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:18:52,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:18:52,370 INFO L87 Difference]: Start difference. First operand 1469 states and 2023 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:18:53,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:53,430 INFO L93 Difference]: Finished difference Result 1963 states and 2657 transitions. [2023-11-29 03:18:53,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:18:53,431 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 129 [2023-11-29 03:18:53,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:53,434 INFO L225 Difference]: With dead ends: 1963 [2023-11-29 03:18:53,434 INFO L226 Difference]: Without dead ends: 1475 [2023-11-29 03:18:53,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:18:53,435 INFO L413 NwaCegarLoop]: 792 mSDtfsCounter, 218 mSDsluCounter, 2262 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 3054 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:53,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 3054 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 815 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 03:18:53,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2023-11-29 03:18:53,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1471. [2023-11-29 03:18:53,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1471 states, 1299 states have (on average 1.4857582755966128) internal successors, (1930), 1411 states have internal predecessors, (1930), 53 states have call successors, (53), 17 states have call predecessors, (53), 16 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-29 03:18:53,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1471 states and 2025 transitions. [2023-11-29 03:18:53,549 INFO L78 Accepts]: Start accepts. Automaton has 1471 states and 2025 transitions. Word has length 129 [2023-11-29 03:18:53,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:53,549 INFO L495 AbstractCegarLoop]: Abstraction has 1471 states and 2025 transitions. [2023-11-29 03:18:53,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:18:53,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 2025 transitions. [2023-11-29 03:18:53,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-29 03:18:53,550 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:53,551 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 6, 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] [2023-11-29 03:18:53,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-11-29 03:18:53,551 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:18:53,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:53,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1963480300, now seen corresponding path program 1 times [2023-11-29 03:18:53,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:53,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270834104] [2023-11-29 03:18:53,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:53,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:53,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:18:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:53,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 03:18:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:53,921 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 03:18:53,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:53,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270834104] [2023-11-29 03:18:53,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270834104] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:18:53,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275053799] [2023-11-29 03:18:53,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:53,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:18:53,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:18:53,922 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:18:53,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-11-29 03:18:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:55,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 1769 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 03:18:55,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:18:55,349 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 03:18:55,349 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:18:55,416 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 03:18:55,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275053799] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:18:55,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:18:55,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2023-11-29 03:18:55,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139926882] [2023-11-29 03:18:55,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:18:55,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 03:18:55,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:55,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 03:18:55,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:18:55,418 INFO L87 Difference]: Start difference. First operand 1471 states and 2025 transitions. Second operand has 11 states, 10 states have (on average 12.2) internal successors, (122), 10 states have internal predecessors, (122), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 03:18:57,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:57,478 INFO L93 Difference]: Finished difference Result 2791 states and 3954 transitions. [2023-11-29 03:18:57,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 03:18:57,478 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.2) internal successors, (122), 10 states have internal predecessors, (122), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 127 [2023-11-29 03:18:57,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:57,482 INFO L225 Difference]: With dead ends: 2791 [2023-11-29 03:18:57,482 INFO L226 Difference]: Without dead ends: 1876 [2023-11-29 03:18:57,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=129, Invalid=213, Unknown=0, NotChecked=0, Total=342 [2023-11-29 03:18:57,484 INFO L413 NwaCegarLoop]: 763 mSDtfsCounter, 3067 mSDsluCounter, 4104 mSDsCounter, 0 mSdLazyCounter, 1762 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3093 SdHoareTripleChecker+Valid, 4867 SdHoareTripleChecker+Invalid, 1891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 1762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:57,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3093 Valid, 4867 Invalid, 1891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 1762 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 03:18:57,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1876 states. [2023-11-29 03:18:57,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1876 to 1571. [2023-11-29 03:18:57,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1571 states, 1397 states have (on average 1.4774516821760917) internal successors, (2064), 1508 states have internal predecessors, (2064), 56 states have call successors, (56), 17 states have call predecessors, (56), 16 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-11-29 03:18:57,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2165 transitions. [2023-11-29 03:18:57,580 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2165 transitions. Word has length 127 [2023-11-29 03:18:57,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:57,581 INFO L495 AbstractCegarLoop]: Abstraction has 1571 states and 2165 transitions. [2023-11-29 03:18:57,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.2) internal successors, (122), 10 states have internal predecessors, (122), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 03:18:57,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2165 transitions. [2023-11-29 03:18:57,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-29 03:18:57,582 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:57,582 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 6, 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] [2023-11-29 03:18:57,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2023-11-29 03:18:57,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2023-11-29 03:18:57,783 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:18:57,783 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:57,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1122886268, now seen corresponding path program 1 times [2023-11-29 03:18:57,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:57,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646934346] [2023-11-29 03:18:57,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:57,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:58,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:18:58,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:58,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:18:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:58,096 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 03:18:58,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:58,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646934346] [2023-11-29 03:18:58,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646934346] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:18:58,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [244077819] [2023-11-29 03:18:58,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:58,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:18:58,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:18:58,098 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:18:58,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-11-29 03:18:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:59,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 1900 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:18:59,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:18:59,483 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 03:18:59,483 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:18:59,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [244077819] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:18:59,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:18:59,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-11-29 03:18:59,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728660813] [2023-11-29 03:18:59,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:18:59,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:18:59,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:59,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:18:59,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:18:59,485 INFO L87 Difference]: Start difference. First operand 1571 states and 2165 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:18:59,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:59,691 INFO L93 Difference]: Finished difference Result 1575 states and 2170 transitions. [2023-11-29 03:18:59,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:18:59,691 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 131 [2023-11-29 03:18:59,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:59,694 INFO L225 Difference]: With dead ends: 1575 [2023-11-29 03:18:59,694 INFO L226 Difference]: Without dead ends: 1574 [2023-11-29 03:18:59,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:18:59,694 INFO L413 NwaCegarLoop]: 994 mSDtfsCounter, 8 mSDsluCounter, 1968 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2962 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:59,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 2962 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:18:59,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1574 states. [2023-11-29 03:18:59,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1574 to 1570. [2023-11-29 03:18:59,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1570 states, 1397 states have (on average 1.4767358625626341) internal successors, (2063), 1507 states have internal predecessors, (2063), 56 states have call successors, (56), 17 states have call predecessors, (56), 16 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-11-29 03:18:59,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2164 transitions. [2023-11-29 03:18:59,791 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2164 transitions. Word has length 131 [2023-11-29 03:18:59,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:59,792 INFO L495 AbstractCegarLoop]: Abstraction has 1570 states and 2164 transitions. [2023-11-29 03:18:59,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:18:59,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2164 transitions. [2023-11-29 03:18:59,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-29 03:18:59,793 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:59,793 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 6, 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] [2023-11-29 03:18:59,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2023-11-29 03:18:59,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:18:59,994 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:18:59,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:59,994 INFO L85 PathProgramCache]: Analyzing trace with hash -277896889, now seen corresponding path program 1 times [2023-11-29 03:18:59,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:59,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719579882] [2023-11-29 03:18:59,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:59,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:19:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:00,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:19:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:00,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:19:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:00,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 03:19:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:00,200 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2023-11-29 03:19:00,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:19:00,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719579882] [2023-11-29 03:19:00,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719579882] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:19:00,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:19:00,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:19:00,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856848188] [2023-11-29 03:19:00,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:19:00,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:19:00,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:19:00,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:19:00,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:19:00,202 INFO L87 Difference]: Start difference. First operand 1570 states and 2164 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:19:01,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:19:01,055 INFO L93 Difference]: Finished difference Result 2470 states and 3463 transitions. [2023-11-29 03:19:01,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:19:01,055 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 131 [2023-11-29 03:19:01,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:19:01,058 INFO L225 Difference]: With dead ends: 2470 [2023-11-29 03:19:01,058 INFO L226 Difference]: Without dead ends: 1574 [2023-11-29 03:19:01,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:19:01,060 INFO L413 NwaCegarLoop]: 789 mSDtfsCounter, 207 mSDsluCounter, 1479 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 2268 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:19:01,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 2268 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 03:19:01,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1574 states. [2023-11-29 03:19:01,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1574 to 1574. [2023-11-29 03:19:01,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1574 states, 1401 states have (on average 1.4753747323340471) internal successors, (2067), 1511 states have internal predecessors, (2067), 56 states have call successors, (56), 17 states have call predecessors, (56), 16 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-11-29 03:19:01,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1574 states to 1574 states and 2168 transitions. [2023-11-29 03:19:01,181 INFO L78 Accepts]: Start accepts. Automaton has 1574 states and 2168 transitions. Word has length 131 [2023-11-29 03:19:01,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:19:01,182 INFO L495 AbstractCegarLoop]: Abstraction has 1574 states and 2168 transitions. [2023-11-29 03:19:01,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:19:01,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1574 states and 2168 transitions. [2023-11-29 03:19:01,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-29 03:19:01,183 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:19:01,184 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 6, 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] [2023-11-29 03:19:01,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-11-29 03:19:01,184 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:19:01,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:19:01,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1966840631, now seen corresponding path program 1 times [2023-11-29 03:19:01,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:19:01,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419462634] [2023-11-29 03:19:01,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:19:01,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:19:01,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:01,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:19:01,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:01,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:19:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:01,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 03:19:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:01,748 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2023-11-29 03:19:01,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:19:01,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419462634] [2023-11-29 03:19:01,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419462634] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:19:01,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:19:01,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:19:01,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056902933] [2023-11-29 03:19:01,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:19:01,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:19:01,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:19:01,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:19:01,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:19:01,749 INFO L87 Difference]: Start difference. First operand 1574 states and 2168 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 03:19:03,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:19:03,452 INFO L93 Difference]: Finished difference Result 2523 states and 3527 transitions. [2023-11-29 03:19:03,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 03:19:03,453 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 131 [2023-11-29 03:19:03,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:19:03,455 INFO L225 Difference]: With dead ends: 2523 [2023-11-29 03:19:03,455 INFO L226 Difference]: Without dead ends: 1797 [2023-11-29 03:19:03,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:19:03,457 INFO L413 NwaCegarLoop]: 779 mSDtfsCounter, 551 mSDsluCounter, 3733 mSDsCounter, 0 mSdLazyCounter, 1405 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 4512 SdHoareTripleChecker+Invalid, 1443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:19:03,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 4512 Invalid, 1443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1405 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 03:19:03,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1797 states. [2023-11-29 03:19:03,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1797 to 1576. [2023-11-29 03:19:03,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1403 states have (on average 1.474697077690663) internal successors, (2069), 1513 states have internal predecessors, (2069), 56 states have call successors, (56), 17 states have call predecessors, (56), 16 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-11-29 03:19:03,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 2170 transitions. [2023-11-29 03:19:03,552 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 2170 transitions. Word has length 131 [2023-11-29 03:19:03,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:19:03,552 INFO L495 AbstractCegarLoop]: Abstraction has 1576 states and 2170 transitions. [2023-11-29 03:19:03,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 03:19:03,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 2170 transitions. [2023-11-29 03:19:03,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 03:19:03,553 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:19:03,554 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 6, 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] [2023-11-29 03:19:03,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-11-29 03:19:03,554 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:19:03,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:19:03,554 INFO L85 PathProgramCache]: Analyzing trace with hash 449739845, now seen corresponding path program 1 times [2023-11-29 03:19:03,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:19:03,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229401433] [2023-11-29 03:19:03,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:19:03,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:19:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:03,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:19:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:03,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:19:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:03,832 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 03:19:03,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:19:03,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229401433] [2023-11-29 03:19:03,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229401433] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:19:03,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466861517] [2023-11-29 03:19:03,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:19:03,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:19:03,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:19:03,833 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:19:03,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-11-29 03:19:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:05,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 1901 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:19:05,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:19:05,163 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 03:19:05,163 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:19:05,185 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 03:19:05,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466861517] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:19:05,185 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:19:05,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2023-11-29 03:19:05,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994876610] [2023-11-29 03:19:05,186 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:19:05,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:19:05,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:19:05,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:19:05,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:19:05,187 INFO L87 Difference]: Start difference. First operand 1576 states and 2170 transitions. Second operand has 8 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:19:06,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:19:06,574 INFO L93 Difference]: Finished difference Result 1601 states and 2207 transitions. [2023-11-29 03:19:06,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 03:19:06,575 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 132 [2023-11-29 03:19:06,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:19:06,577 INFO L225 Difference]: With dead ends: 1601 [2023-11-29 03:19:06,577 INFO L226 Difference]: Without dead ends: 1600 [2023-11-29 03:19:06,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:19:06,578 INFO L413 NwaCegarLoop]: 790 mSDtfsCounter, 250 mSDsluCounter, 3032 mSDsCounter, 0 mSdLazyCounter, 1085 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 3822 SdHoareTripleChecker+Invalid, 1122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:19:06,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 3822 Invalid, 1122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1085 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 03:19:06,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1600 states. [2023-11-29 03:19:06,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1600 to 1588. [2023-11-29 03:19:06,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1588 states, 1415 states have (on average 1.4749116607773851) internal successors, (2087), 1525 states have internal predecessors, (2087), 56 states have call successors, (56), 17 states have call predecessors, (56), 16 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-11-29 03:19:06,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1588 states and 2188 transitions. [2023-11-29 03:19:06,677 INFO L78 Accepts]: Start accepts. Automaton has 1588 states and 2188 transitions. Word has length 132 [2023-11-29 03:19:06,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:19:06,678 INFO L495 AbstractCegarLoop]: Abstraction has 1588 states and 2188 transitions. [2023-11-29 03:19:06,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:19:06,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 2188 transitions. [2023-11-29 03:19:06,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-29 03:19:06,679 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:19:06,679 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:06,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2023-11-29 03:19:06,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2023-11-29 03:19:06,880 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:19:06,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:19:06,880 INFO L85 PathProgramCache]: Analyzing trace with hash -930491705, now seen corresponding path program 1 times [2023-11-29 03:19:06,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:19:06,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806364628] [2023-11-29 03:19:06,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:19:06,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:19:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:07,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:19:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:07,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:19:07,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:07,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-29 03:19:07,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:07,273 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 03:19:07,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:19:07,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806364628] [2023-11-29 03:19:07,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806364628] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:19:07,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:19:07,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 03:19:07,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961072469] [2023-11-29 03:19:07,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:19:07,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:19:07,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:19:07,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:19:07,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:19:07,275 INFO L87 Difference]: Start difference. First operand 1588 states and 2188 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:19:09,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:19:09,022 INFO L93 Difference]: Finished difference Result 2323 states and 3141 transitions. [2023-11-29 03:19:09,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 03:19:09,023 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 134 [2023-11-29 03:19:09,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:19:09,027 INFO L225 Difference]: With dead ends: 2323 [2023-11-29 03:19:09,027 INFO L226 Difference]: Without dead ends: 1809 [2023-11-29 03:19:09,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:19:09,029 INFO L413 NwaCegarLoop]: 790 mSDtfsCounter, 725 mSDsluCounter, 2996 mSDsCounter, 0 mSdLazyCounter, 1104 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 734 SdHoareTripleChecker+Valid, 3786 SdHoareTripleChecker+Invalid, 1259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 1104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:19:09,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [734 Valid, 3786 Invalid, 1259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 1104 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 03:19:09,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1809 states. [2023-11-29 03:19:09,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1809 to 1678. [2023-11-29 03:19:09,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1678 states, 1495 states have (on average 1.476923076923077) internal successors, (2208), 1604 states have internal predecessors, (2208), 66 states have call successors, (66), 18 states have call predecessors, (66), 16 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2023-11-29 03:19:09,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1678 states and 2329 transitions. [2023-11-29 03:19:09,174 INFO L78 Accepts]: Start accepts. Automaton has 1678 states and 2329 transitions. Word has length 134 [2023-11-29 03:19:09,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:19:09,174 INFO L495 AbstractCegarLoop]: Abstraction has 1678 states and 2329 transitions. [2023-11-29 03:19:09,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:19:09,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1678 states and 2329 transitions. [2023-11-29 03:19:09,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-29 03:19:09,175 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:19:09,176 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:09,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2023-11-29 03:19:09,176 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:19:09,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:19:09,176 INFO L85 PathProgramCache]: Analyzing trace with hash -930489783, now seen corresponding path program 1 times [2023-11-29 03:19:09,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:19:09,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161285577] [2023-11-29 03:19:09,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:19:09,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:19:09,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:09,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:19:09,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:09,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:19:09,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:09,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-29 03:19:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:09,956 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 03:19:09,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:19:09,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161285577] [2023-11-29 03:19:09,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161285577] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:19:09,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:19:09,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 03:19:09,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685156275] [2023-11-29 03:19:09,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:19:09,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:19:09,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:19:09,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:19:09,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:19:09,957 INFO L87 Difference]: Start difference. First operand 1678 states and 2329 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 03:19:11,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:19:11,766 INFO L93 Difference]: Finished difference Result 3034 states and 4334 transitions. [2023-11-29 03:19:11,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 03:19:11,767 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 134 [2023-11-29 03:19:11,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:19:11,770 INFO L225 Difference]: With dead ends: 3034 [2023-11-29 03:19:11,770 INFO L226 Difference]: Without dead ends: 1739 [2023-11-29 03:19:11,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2023-11-29 03:19:11,772 INFO L413 NwaCegarLoop]: 753 mSDtfsCounter, 1294 mSDsluCounter, 3249 mSDsCounter, 0 mSdLazyCounter, 1539 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1311 SdHoareTripleChecker+Valid, 4002 SdHoareTripleChecker+Invalid, 1682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 1539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:19:11,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1311 Valid, 4002 Invalid, 1682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 1539 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 03:19:11,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1739 states. [2023-11-29 03:19:11,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1739 to 1678. [2023-11-29 03:19:11,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1678 states, 1495 states have (on average 1.4749163879598661) internal successors, (2205), 1604 states have internal predecessors, (2205), 66 states have call successors, (66), 18 states have call predecessors, (66), 16 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2023-11-29 03:19:11,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1678 states and 2326 transitions. [2023-11-29 03:19:11,878 INFO L78 Accepts]: Start accepts. Automaton has 1678 states and 2326 transitions. Word has length 134 [2023-11-29 03:19:11,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:19:11,878 INFO L495 AbstractCegarLoop]: Abstraction has 1678 states and 2326 transitions. [2023-11-29 03:19:11,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 03:19:11,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1678 states and 2326 transitions. [2023-11-29 03:19:11,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-29 03:19:11,879 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:19:11,879 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 6, 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] [2023-11-29 03:19:11,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2023-11-29 03:19:11,880 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:19:11,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:19:11,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1306065733, now seen corresponding path program 1 times [2023-11-29 03:19:11,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:19:11,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202120634] [2023-11-29 03:19:11,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:19:11,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:19:11,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:13,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:19:13,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:13,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:19:13,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:13,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-29 03:19:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:13,416 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 03:19:13,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:19:13,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202120634] [2023-11-29 03:19:13,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202120634] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:19:13,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960528529] [2023-11-29 03:19:13,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:19:13,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:19:13,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:19:13,418 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:19:13,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-11-29 03:19:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:14,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 1986 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:19:14,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:19:14,843 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2023-11-29 03:19:14,843 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:19:14,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1960528529] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:19:14,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:19:14,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [13] total 14 [2023-11-29 03:19:14,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866682504] [2023-11-29 03:19:14,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:19:14,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:19:14,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:19:14,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:19:14,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2023-11-29 03:19:14,845 INFO L87 Difference]: Start difference. First operand 1678 states and 2326 transitions. Second operand has 3 states, 2 states have (on average 39.5) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 03:19:15,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:19:15,140 INFO L93 Difference]: Finished difference Result 1711 states and 2371 transitions. [2023-11-29 03:19:15,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:19:15,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 39.5) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 147 [2023-11-29 03:19:15,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:19:15,144 INFO L225 Difference]: With dead ends: 1711 [2023-11-29 03:19:15,144 INFO L226 Difference]: Without dead ends: 1708 [2023-11-29 03:19:15,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2023-11-29 03:19:15,145 INFO L413 NwaCegarLoop]: 983 mSDtfsCounter, 38 mSDsluCounter, 948 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 1931 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:19:15,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 1931 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:19:15,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-11-29 03:19:15,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1675. [2023-11-29 03:19:15,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1675 states, 1495 states have (on average 1.4695652173913043) internal successors, (2197), 1601 states have internal predecessors, (2197), 66 states have call successors, (66), 18 states have call predecessors, (66), 16 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2023-11-29 03:19:15,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1675 states and 2318 transitions. [2023-11-29 03:19:15,256 INFO L78 Accepts]: Start accepts. Automaton has 1675 states and 2318 transitions. Word has length 147 [2023-11-29 03:19:15,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:19:15,256 INFO L495 AbstractCegarLoop]: Abstraction has 1675 states and 2318 transitions. [2023-11-29 03:19:15,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 39.5) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 03:19:15,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 2318 transitions. [2023-11-29 03:19:15,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-29 03:19:15,258 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:19:15,258 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 6, 3, 2, 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] [2023-11-29 03:19:15,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2023-11-29 03:19:15,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:19:15,459 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:19:15,459 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:19:15,459 INFO L85 PathProgramCache]: Analyzing trace with hash 522355745, now seen corresponding path program 1 times [2023-11-29 03:19:15,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:19:15,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333822955] [2023-11-29 03:19:15,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:19:15,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:19:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:15,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:19:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:15,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 03:19:15,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:15,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 03:19:15,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:15,771 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2023-11-29 03:19:15,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:19:15,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333822955] [2023-11-29 03:19:15,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333822955] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:19:15,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:19:15,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:19:15,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436976281] [2023-11-29 03:19:15,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:19:15,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:19:15,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:19:15,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:19:15,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:19:15,773 INFO L87 Difference]: Start difference. First operand 1675 states and 2318 transitions. Second operand has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:19:17,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:19:17,067 INFO L93 Difference]: Finished difference Result 3124 states and 4299 transitions. [2023-11-29 03:19:17,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:19:17,068 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 145 [2023-11-29 03:19:17,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:19:17,071 INFO L225 Difference]: With dead ends: 3124 [2023-11-29 03:19:17,072 INFO L226 Difference]: Without dead ends: 2295 [2023-11-29 03:19:17,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 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 03:19:17,074 INFO L413 NwaCegarLoop]: 783 mSDtfsCounter, 1319 mSDsluCounter, 1278 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1347 SdHoareTripleChecker+Valid, 2061 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:19:17,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1347 Valid, 2061 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 03:19:17,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2295 states. [2023-11-29 03:19:17,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2295 to 2197. [2023-11-29 03:19:17,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2197 states, 1960 states have (on average 1.4928571428571429) internal successors, (2926), 2074 states have internal predecessors, (2926), 109 states have call successors, (109), 34 states have call predecessors, (109), 30 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2023-11-29 03:19:17,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2197 states to 2197 states and 3123 transitions. [2023-11-29 03:19:17,224 INFO L78 Accepts]: Start accepts. Automaton has 2197 states and 3123 transitions. Word has length 145 [2023-11-29 03:19:17,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:19:17,225 INFO L495 AbstractCegarLoop]: Abstraction has 2197 states and 3123 transitions. [2023-11-29 03:19:17,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:19:17,225 INFO L276 IsEmpty]: Start isEmpty. Operand 2197 states and 3123 transitions. [2023-11-29 03:19:17,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-29 03:19:17,226 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:19:17,226 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 6, 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] [2023-11-29 03:19:17,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2023-11-29 03:19:17,226 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting bb_verror_msgErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:19:17,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:19:17,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1833335986, now seen corresponding path program 1 times [2023-11-29 03:19:17,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:19:17,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984530504] [2023-11-29 03:19:17,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:19:17,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:19:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:18,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:19:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:18,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:19:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:18,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-29 03:19:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:18,754 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 03:19:18,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:19:18,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984530504] [2023-11-29 03:19:18,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984530504] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:19:18,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593278774] [2023-11-29 03:19:18,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:19:18,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:19:18,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:19:18,755 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:19:18,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2023-11-29 03:19:20,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:20,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 1987 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-29 03:19:20,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:19:20,348 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 26 treesize of output 18 [2023-11-29 03:19:20,368 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 15 treesize of output 1 [2023-11-29 03:19:20,435 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 32 treesize of output 16 [2023-11-29 03:19:20,450 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 32 treesize of output 16 [2023-11-29 03:19:20,586 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 24 treesize of output 12 [2023-11-29 03:19:20,613 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 03:19:20,613 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:19:20,990 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:19:20,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 72 [2023-11-29 03:19:21,030 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 170 treesize of output 166 [2023-11-29 03:19:21,062 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 12 treesize of output 8 [2023-11-29 03:19:21,157 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 33 treesize of output 21 [2023-11-29 03:19:21,240 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 03:19:21,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1593278774] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:19:21,241 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:19:21,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 10] total 28 [2023-11-29 03:19:21,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136747118] [2023-11-29 03:19:21,242 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:19:21,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-11-29 03:19:21,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:19:21,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-11-29 03:19:21,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=649, Unknown=0, NotChecked=0, Total=756 [2023-11-29 03:19:21,244 INFO L87 Difference]: Start difference. First operand 2197 states and 3123 transitions. Second operand has 28 states, 28 states have (on average 6.321428571428571) internal successors, (177), 26 states have internal predecessors, (177), 6 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2023-11-29 03:19:25,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:19:27,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:19:31,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:19:33,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:19:35,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:19:36,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:19:38,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:19:42,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:19:50,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:19:54,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:19:58,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:20:04,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:20:07,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:20:11,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:20:16,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:20:16,038 INFO L93 Difference]: Finished difference Result 7189 states and 11064 transitions. [2023-11-29 03:20:16,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-29 03:20:16,039 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 6.321428571428571) internal successors, (177), 26 states have internal predecessors, (177), 6 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 148 [2023-11-29 03:20:16,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:20:16,048 INFO L225 Difference]: With dead ends: 7189 [2023-11-29 03:20:16,048 INFO L226 Difference]: Without dead ends: 7084 [2023-11-29 03:20:16,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 288 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=357, Invalid=1713, Unknown=0, NotChecked=0, Total=2070 [2023-11-29 03:20:16,050 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 11306 mSDsluCounter, 11192 mSDsCounter, 0 mSdLazyCounter, 5187 mSolverCounterSat, 506 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11318 SdHoareTripleChecker+Valid, 12045 SdHoareTripleChecker+Invalid, 5705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 506 IncrementalHoareTripleChecker+Valid, 5187 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:20:16,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11318 Valid, 12045 Invalid, 5705 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [506 Valid, 5187 Invalid, 12 Unknown, 0 Unchecked, 53.1s Time] [2023-11-29 03:20:16,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7084 states. [2023-11-29 03:20:16,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7084 to 2470. [2023-11-29 03:20:16,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2470 states, 2233 states have (on average 1.503806538289297) internal successors, (3358), 2347 states have internal predecessors, (3358), 109 states have call successors, (109), 34 states have call predecessors, (109), 30 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2023-11-29 03:20:16,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2470 states to 2470 states and 3555 transitions. [2023-11-29 03:20:16,245 INFO L78 Accepts]: Start accepts. Automaton has 2470 states and 3555 transitions. Word has length 148 [2023-11-29 03:20:16,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:20:16,245 INFO L495 AbstractCegarLoop]: Abstraction has 2470 states and 3555 transitions. [2023-11-29 03:20:16,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 6.321428571428571) internal successors, (177), 26 states have internal predecessors, (177), 6 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2023-11-29 03:20:16,246 INFO L276 IsEmpty]: Start isEmpty. Operand 2470 states and 3555 transitions. [2023-11-29 03:20:16,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-29 03:20:16,247 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:20:16,247 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 6, 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] [2023-11-29 03:20:16,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2023-11-29 03:20:16,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2023-11-29 03:20:16,448 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:20:16,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:20:16,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1829839911, now seen corresponding path program 1 times [2023-11-29 03:20:16,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:20:16,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348574343] [2023-11-29 03:20:16,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:20:16,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:20:16,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:16,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:20:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:16,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:20:16,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:16,852 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2023-11-29 03:20:16,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:20:16,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348574343] [2023-11-29 03:20:16,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348574343] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:20:16,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:20:16,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:20:16,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438237480] [2023-11-29 03:20:16,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:20:16,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:20:16,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:20:16,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:20:16,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:20:16,854 INFO L87 Difference]: Start difference. First operand 2470 states and 3555 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:20:18,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:20:18,922 INFO L93 Difference]: Finished difference Result 4626 states and 6750 transitions. [2023-11-29 03:20:18,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:20:18,923 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 146 [2023-11-29 03:20:18,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:20:18,927 INFO L225 Difference]: With dead ends: 4626 [2023-11-29 03:20:18,928 INFO L226 Difference]: Without dead ends: 3105 [2023-11-29 03:20:18,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:20:18,931 INFO L413 NwaCegarLoop]: 790 mSDtfsCounter, 723 mSDsluCounter, 2181 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 746 SdHoareTripleChecker+Valid, 2971 SdHoareTripleChecker+Invalid, 892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:20:18,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [746 Valid, 2971 Invalid, 892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 850 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 03:20:18,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3105 states. [2023-11-29 03:20:19,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3105 to 2472. [2023-11-29 03:20:19,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2472 states, 2235 states have (on average 1.5033557046979866) internal successors, (3360), 2349 states have internal predecessors, (3360), 109 states have call successors, (109), 34 states have call predecessors, (109), 30 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2023-11-29 03:20:19,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2472 states to 2472 states and 3557 transitions. [2023-11-29 03:20:19,156 INFO L78 Accepts]: Start accepts. Automaton has 2472 states and 3557 transitions. Word has length 146 [2023-11-29 03:20:19,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:20:19,156 INFO L495 AbstractCegarLoop]: Abstraction has 2472 states and 3557 transitions. [2023-11-29 03:20:19,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:20:19,156 INFO L276 IsEmpty]: Start isEmpty. Operand 2472 states and 3557 transitions. [2023-11-29 03:20:19,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-29 03:20:19,158 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:20:19,158 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 6, 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] [2023-11-29 03:20:19,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2023-11-29 03:20:19,159 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:20:19,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:20:19,159 INFO L85 PathProgramCache]: Analyzing trace with hash 422211366, now seen corresponding path program 1 times [2023-11-29 03:20:19,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:20:19,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425319171] [2023-11-29 03:20:19,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:20:19,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:20:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:19,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:20:19,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:19,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 03:20:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:19,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-29 03:20:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:19,480 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2023-11-29 03:20:19,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:20:19,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425319171] [2023-11-29 03:20:19,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425319171] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:20:19,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:20:19,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:20:19,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098227198] [2023-11-29 03:20:19,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:20:19,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:20:19,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:20:19,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:20:19,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:20:19,482 INFO L87 Difference]: Start difference. First operand 2472 states and 3557 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:20:22,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:20:22,526 INFO L93 Difference]: Finished difference Result 3380 states and 4700 transitions. [2023-11-29 03:20:22,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 03:20:22,527 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 148 [2023-11-29 03:20:22,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:20:22,531 INFO L225 Difference]: With dead ends: 3380 [2023-11-29 03:20:22,531 INFO L226 Difference]: Without dead ends: 3378 [2023-11-29 03:20:22,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:20:22,532 INFO L413 NwaCegarLoop]: 779 mSDtfsCounter, 3220 mSDsluCounter, 1824 mSDsCounter, 0 mSdLazyCounter, 869 mSolverCounterSat, 248 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3262 SdHoareTripleChecker+Valid, 2603 SdHoareTripleChecker+Invalid, 1117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 248 IncrementalHoareTripleChecker+Valid, 869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:20:22,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3262 Valid, 2603 Invalid, 1117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [248 Valid, 869 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-29 03:20:22,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3378 states. [2023-11-29 03:20:22,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3378 to 3181. [2023-11-29 03:20:22,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3181 states, 2881 states have (on average 1.524817771607081) internal successors, (4393), 3003 states have internal predecessors, (4393), 158 states have call successors, (158), 50 states have call predecessors, (158), 44 states have return successors, (127), 127 states have call predecessors, (127), 127 states have call successors, (127) [2023-11-29 03:20:22,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3181 states to 3181 states and 4678 transitions. [2023-11-29 03:20:22,756 INFO L78 Accepts]: Start accepts. Automaton has 3181 states and 4678 transitions. Word has length 148 [2023-11-29 03:20:22,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:20:22,756 INFO L495 AbstractCegarLoop]: Abstraction has 3181 states and 4678 transitions. [2023-11-29 03:20:22,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:20:22,756 INFO L276 IsEmpty]: Start isEmpty. Operand 3181 states and 4678 transitions. [2023-11-29 03:20:22,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-29 03:20:22,758 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:20:22,759 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 6, 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] [2023-11-29 03:20:22,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2023-11-29 03:20:22,759 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting bb_verror_msgErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:20:22,759 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:20:22,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1776341642, now seen corresponding path program 1 times [2023-11-29 03:20:22,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:20:22,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112831494] [2023-11-29 03:20:22,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:20:22,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:20:22,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:22,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:20:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:22,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:20:22,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:23,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-29 03:20:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:23,015 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2023-11-29 03:20:23,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:20:23,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112831494] [2023-11-29 03:20:23,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112831494] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:20:23,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:20:23,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:20:23,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929631385] [2023-11-29 03:20:23,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:20:23,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:20:23,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:20:23,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:20:23,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:20:23,017 INFO L87 Difference]: Start difference. First operand 3181 states and 4678 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:20:25,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:20:25,172 INFO L93 Difference]: Finished difference Result 5635 states and 8406 transitions. [2023-11-29 03:20:25,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:20:25,172 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 152 [2023-11-29 03:20:25,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:20:25,177 INFO L225 Difference]: With dead ends: 5635 [2023-11-29 03:20:25,177 INFO L226 Difference]: Without dead ends: 3352 [2023-11-29 03:20:25,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:20:25,182 INFO L413 NwaCegarLoop]: 788 mSDtfsCounter, 329 mSDsluCounter, 2218 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 3006 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:20:25,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 3006 Invalid, 848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 760 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 03:20:25,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3352 states. [2023-11-29 03:20:25,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3352 to 3184. [2023-11-29 03:20:25,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3184 states, 2884 states have (on average 1.5242718446601942) internal successors, (4396), 3006 states have internal predecessors, (4396), 158 states have call successors, (158), 50 states have call predecessors, (158), 44 states have return successors, (127), 127 states have call predecessors, (127), 127 states have call successors, (127) [2023-11-29 03:20:25,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 3184 states and 4681 transitions. [2023-11-29 03:20:25,436 INFO L78 Accepts]: Start accepts. Automaton has 3184 states and 4681 transitions. Word has length 152 [2023-11-29 03:20:25,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:20:25,436 INFO L495 AbstractCegarLoop]: Abstraction has 3184 states and 4681 transitions. [2023-11-29 03:20:25,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:20:25,437 INFO L276 IsEmpty]: Start isEmpty. Operand 3184 states and 4681 transitions. [2023-11-29 03:20:25,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-29 03:20:25,439 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:20:25,439 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 6, 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] [2023-11-29 03:20:25,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2023-11-29 03:20:25,439 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting bb_verror_msgErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:20:25,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:20:25,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1129910922, now seen corresponding path program 1 times [2023-11-29 03:20:25,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:20:25,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034949168] [2023-11-29 03:20:25,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:20:25,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:20:25,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:25,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:20:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:25,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:20:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:26,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-11-29 03:20:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:26,440 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2023-11-29 03:20:26,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:20:26,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034949168] [2023-11-29 03:20:26,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034949168] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:20:26,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100812841] [2023-11-29 03:20:26,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:20:26,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:20:26,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:20:26,442 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:20:26,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2023-11-29 03:20:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:30,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 1999 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-29 03:20:30,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:20:32,361 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2023-11-29 03:20:32,361 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:20:34,470 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2023-11-29 03:20:34,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1100812841] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:20:34,471 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:20:34,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 13] total 33 [2023-11-29 03:20:34,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024994607] [2023-11-29 03:20:34,471 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:20:34,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-11-29 03:20:34,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:20:34,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-11-29 03:20:34,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=911, Unknown=0, NotChecked=0, Total=1056 [2023-11-29 03:20:34,473 INFO L87 Difference]: Start difference. First operand 3184 states and 4681 transitions. Second operand has 33 states, 32 states have (on average 6.34375) internal successors, (203), 31 states have internal predecessors, (203), 6 states have call successors, (11), 6 states have call predecessors, (11), 5 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2023-11-29 03:20:49,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:20:49,606 INFO L93 Difference]: Finished difference Result 6432 states and 9578 transitions. [2023-11-29 03:20:49,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-29 03:20:49,607 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 6.34375) internal successors, (203), 31 states have internal predecessors, (203), 6 states have call successors, (11), 6 states have call predecessors, (11), 5 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) Word has length 151 [2023-11-29 03:20:49,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:20:49,612 INFO L225 Difference]: With dead ends: 6432 [2023-11-29 03:20:49,612 INFO L226 Difference]: Without dead ends: 3570 [2023-11-29 03:20:49,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 521 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=506, Invalid=2686, Unknown=0, NotChecked=0, Total=3192 [2023-11-29 03:20:49,617 INFO L413 NwaCegarLoop]: 750 mSDtfsCounter, 2326 mSDsluCounter, 11788 mSDsCounter, 0 mSdLazyCounter, 6279 mSolverCounterSat, 301 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2338 SdHoareTripleChecker+Valid, 12538 SdHoareTripleChecker+Invalid, 6580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 301 IncrementalHoareTripleChecker+Valid, 6279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2023-11-29 03:20:49,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2338 Valid, 12538 Invalid, 6580 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [301 Valid, 6279 Invalid, 0 Unknown, 0 Unchecked, 12.9s Time] [2023-11-29 03:20:49,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3570 states. [2023-11-29 03:20:49,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3570 to 3303. [2023-11-29 03:20:49,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3303 states, 2991 states have (on average 1.5205616850551655) internal successors, (4548), 3112 states have internal predecessors, (4548), 166 states have call successors, (166), 56 states have call predecessors, (166), 48 states have return successors, (134), 134 states have call predecessors, (134), 134 states have call successors, (134) [2023-11-29 03:20:49,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3303 states to 3303 states and 4848 transitions. [2023-11-29 03:20:49,874 INFO L78 Accepts]: Start accepts. Automaton has 3303 states and 4848 transitions. Word has length 151 [2023-11-29 03:20:49,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:20:49,874 INFO L495 AbstractCegarLoop]: Abstraction has 3303 states and 4848 transitions. [2023-11-29 03:20:49,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 6.34375) internal successors, (203), 31 states have internal predecessors, (203), 6 states have call successors, (11), 6 states have call predecessors, (11), 5 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2023-11-29 03:20:49,874 INFO L276 IsEmpty]: Start isEmpty. Operand 3303 states and 4848 transitions. [2023-11-29 03:20:49,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-29 03:20:49,877 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:20:49,877 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 7, 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] [2023-11-29 03:20:49,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2023-11-29 03:20:50,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2023-11-29 03:20:50,077 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting bb_verror_msgErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:20:50,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:20:50,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1520323413, now seen corresponding path program 1 times [2023-11-29 03:20:50,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:20:50,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806899294] [2023-11-29 03:20:50,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:20:50,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:20:50,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:50,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:20:50,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:50,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:20:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:50,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-29 03:20:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:50,966 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2023-11-29 03:20:50,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:20:50,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806899294] [2023-11-29 03:20:50,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806899294] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:20:50,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:20:50,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 03:20:50,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417701070] [2023-11-29 03:20:50,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:20:50,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:20:50,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:20:50,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:20:50,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:20:50,969 INFO L87 Difference]: Start difference. First operand 3303 states and 4848 transitions. Second operand has 8 states, 8 states have (on average 10.875) internal successors, (87), 6 states have internal predecessors, (87), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 03:20:54,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:20:54,934 INFO L93 Difference]: Finished difference Result 6435 states and 9599 transitions. [2023-11-29 03:20:54,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 03:20:54,935 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 6 states have internal predecessors, (87), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 157 [2023-11-29 03:20:54,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:20:54,939 INFO L225 Difference]: With dead ends: 6435 [2023-11-29 03:20:54,940 INFO L226 Difference]: Without dead ends: 3534 [2023-11-29 03:20:54,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2023-11-29 03:20:54,945 INFO L413 NwaCegarLoop]: 758 mSDtfsCounter, 1697 mSDsluCounter, 3442 mSDsCounter, 0 mSdLazyCounter, 1594 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1714 SdHoareTripleChecker+Valid, 4200 SdHoareTripleChecker+Invalid, 1794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 1594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:20:54,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1714 Valid, 4200 Invalid, 1794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 1594 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-29 03:20:54,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3534 states. [2023-11-29 03:20:55,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3534 to 3306. [2023-11-29 03:20:55,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3306 states, 2994 states have (on average 1.5200400801603207) internal successors, (4551), 3115 states have internal predecessors, (4551), 166 states have call successors, (166), 56 states have call predecessors, (166), 48 states have return successors, (134), 134 states have call predecessors, (134), 134 states have call successors, (134) [2023-11-29 03:20:55,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3306 states to 3306 states and 4851 transitions. [2023-11-29 03:20:55,221 INFO L78 Accepts]: Start accepts. Automaton has 3306 states and 4851 transitions. Word has length 157 [2023-11-29 03:20:55,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:20:55,222 INFO L495 AbstractCegarLoop]: Abstraction has 3306 states and 4851 transitions. [2023-11-29 03:20:55,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 6 states have internal predecessors, (87), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 03:20:55,222 INFO L276 IsEmpty]: Start isEmpty. Operand 3306 states and 4851 transitions. [2023-11-29 03:20:55,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-29 03:20:55,224 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:20:55,224 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 7, 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] [2023-11-29 03:20:55,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2023-11-29 03:20:55,224 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting bb_verror_msgErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:20:55,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:20:55,225 INFO L85 PathProgramCache]: Analyzing trace with hash 53957394, now seen corresponding path program 1 times [2023-11-29 03:20:55,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:20:55,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685033179] [2023-11-29 03:20:55,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:20:55,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:20:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:55,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:20:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:55,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:20:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:56,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-29 03:20:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:56,404 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-11-29 03:20:56,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:20:56,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685033179] [2023-11-29 03:20:56,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685033179] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:20:56,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389968099] [2023-11-29 03:20:56,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:20:56,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:20:56,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:20:56,406 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:20:56,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2023-11-29 03:20:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:58,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 2035 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 03:20:58,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:20:58,790 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2023-11-29 03:20:58,790 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:20:58,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389968099] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:20:58,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:20:58,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 17 [2023-11-29 03:20:58,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503099726] [2023-11-29 03:20:58,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:20:58,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:20:58,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:20:58,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:20:58,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2023-11-29 03:20:58,792 INFO L87 Difference]: Start difference. First operand 3306 states and 4851 transitions. Second operand has 6 states, 6 states have (on average 15.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 03:20:59,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:20:59,780 INFO L93 Difference]: Finished difference Result 6240 states and 9287 transitions. [2023-11-29 03:20:59,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:20:59,780 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 160 [2023-11-29 03:20:59,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:20:59,784 INFO L225 Difference]: With dead ends: 6240 [2023-11-29 03:20:59,784 INFO L226 Difference]: Without dead ends: 3339 [2023-11-29 03:20:59,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2023-11-29 03:20:59,788 INFO L413 NwaCegarLoop]: 987 mSDtfsCounter, 1093 mSDsluCounter, 1683 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1093 SdHoareTripleChecker+Valid, 2670 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:20:59,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1093 Valid, 2670 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 03:20:59,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3339 states. [2023-11-29 03:21:00,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3339 to 3312. [2023-11-29 03:21:00,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3312 states, 3000 states have (on average 1.519) internal successors, (4557), 3121 states have internal predecessors, (4557), 166 states have call successors, (166), 56 states have call predecessors, (166), 48 states have return successors, (134), 134 states have call predecessors, (134), 134 states have call successors, (134) [2023-11-29 03:21:00,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 3312 states and 4857 transitions. [2023-11-29 03:21:00,036 INFO L78 Accepts]: Start accepts. Automaton has 3312 states and 4857 transitions. Word has length 160 [2023-11-29 03:21:00,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:21:00,036 INFO L495 AbstractCegarLoop]: Abstraction has 3312 states and 4857 transitions. [2023-11-29 03:21:00,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 03:21:00,036 INFO L276 IsEmpty]: Start isEmpty. Operand 3312 states and 4857 transitions. [2023-11-29 03:21:00,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-29 03:21:00,038 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:21:00,038 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 7, 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] [2023-11-29 03:21:00,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2023-11-29 03:21:00,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2023-11-29 03:21:00,238 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting bb_verror_msgErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:21:00,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:21:00,239 INFO L85 PathProgramCache]: Analyzing trace with hash -885913892, now seen corresponding path program 1 times [2023-11-29 03:21:00,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:21:00,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947023824] [2023-11-29 03:21:00,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:21:00,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:21:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:00,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:21:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:00,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:21:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:01,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 03:21:01,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:01,344 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-11-29 03:21:01,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:21:01,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947023824] [2023-11-29 03:21:01,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947023824] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:21:01,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582634462] [2023-11-29 03:21:01,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:21:01,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:21:01,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:21:01,346 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:21:01,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2023-11-29 03:21:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:09,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 2036 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 03:21:09,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:21:09,847 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2023-11-29 03:21:09,847 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:21:09,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582634462] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:21:09,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:21:09,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 17 [2023-11-29 03:21:09,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263725252] [2023-11-29 03:21:09,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:21:09,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:21:09,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:21:09,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:21:09,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2023-11-29 03:21:09,849 INFO L87 Difference]: Start difference. First operand 3312 states and 4857 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 03:21:10,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:21:10,936 INFO L93 Difference]: Finished difference Result 6234 states and 9278 transitions. [2023-11-29 03:21:10,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:21:10,937 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 161 [2023-11-29 03:21:10,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:21:10,941 INFO L225 Difference]: With dead ends: 6234 [2023-11-29 03:21:10,941 INFO L226 Difference]: Without dead ends: 3333 [2023-11-29 03:21:10,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2023-11-29 03:21:10,946 INFO L413 NwaCegarLoop]: 989 mSDtfsCounter, 1255 mSDsluCounter, 1683 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1255 SdHoareTripleChecker+Valid, 2672 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:21:10,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1255 Valid, 2672 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 03:21:10,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3333 states. [2023-11-29 03:21:11,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3333 to 3315. [2023-11-29 03:21:11,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3315 states, 3003 states have (on average 1.5184815184815186) internal successors, (4560), 3124 states have internal predecessors, (4560), 166 states have call successors, (166), 56 states have call predecessors, (166), 48 states have return successors, (134), 134 states have call predecessors, (134), 134 states have call successors, (134) [2023-11-29 03:21:11,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3315 states to 3315 states and 4860 transitions. [2023-11-29 03:21:11,209 INFO L78 Accepts]: Start accepts. Automaton has 3315 states and 4860 transitions. Word has length 161 [2023-11-29 03:21:11,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:21:11,209 INFO L495 AbstractCegarLoop]: Abstraction has 3315 states and 4860 transitions. [2023-11-29 03:21:11,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 03:21:11,209 INFO L276 IsEmpty]: Start isEmpty. Operand 3315 states and 4860 transitions. [2023-11-29 03:21:11,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-29 03:21:11,211 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:21:11,211 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 7, 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] [2023-11-29 03:21:11,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2023-11-29 03:21:11,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2023-11-29 03:21:11,412 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting bb_verror_msgErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:21:11,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:21:11,412 INFO L85 PathProgramCache]: Analyzing trace with hash 172033165, now seen corresponding path program 1 times [2023-11-29 03:21:11,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:21:11,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500114550] [2023-11-29 03:21:11,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:21:11,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:21:11,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:11,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:21:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:11,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:21:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:12,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-29 03:21:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:12,446 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-11-29 03:21:12,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:21:12,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500114550] [2023-11-29 03:21:12,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500114550] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:21:12,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175262840] [2023-11-29 03:21:12,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:21:12,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:21:12,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:21:12,448 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:21:12,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2023-11-29 03:21:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:13,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 2042 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-29 03:21:13,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:21:15,860 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2023-11-29 03:21:15,860 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:21:17,379 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2023-11-29 03:21:17,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [175262840] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:21:17,380 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:21:17,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 13] total 35 [2023-11-29 03:21:17,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756011430] [2023-11-29 03:21:17,380 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:21:17,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-11-29 03:21:17,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:21:17,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-11-29 03:21:17,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=1041, Unknown=0, NotChecked=0, Total=1190 [2023-11-29 03:21:17,382 INFO L87 Difference]: Start difference. First operand 3315 states and 4860 transitions. Second operand has 35 states, 34 states have (on average 6.647058823529412) internal successors, (226), 33 states have internal predecessors, (226), 6 states have call successors, (11), 6 states have call predecessors, (11), 5 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2023-11-29 03:21:31,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:21:31,675 INFO L93 Difference]: Finished difference Result 5891 states and 8725 transitions. [2023-11-29 03:21:31,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-29 03:21:31,676 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 6.647058823529412) internal successors, (226), 33 states have internal predecessors, (226), 6 states have call successors, (11), 6 states have call predecessors, (11), 5 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) Word has length 162 [2023-11-29 03:21:31,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:21:31,680 INFO L225 Difference]: With dead ends: 5891 [2023-11-29 03:21:31,680 INFO L226 Difference]: Without dead ends: 2899 [2023-11-29 03:21:31,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 466 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=450, Invalid=2630, Unknown=0, NotChecked=0, Total=3080 [2023-11-29 03:21:31,685 INFO L413 NwaCegarLoop]: 670 mSDtfsCounter, 1823 mSDsluCounter, 11643 mSDsCounter, 0 mSdLazyCounter, 5825 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1840 SdHoareTripleChecker+Valid, 12313 SdHoareTripleChecker+Invalid, 5985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 5825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:21:31,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1840 Valid, 12313 Invalid, 5985 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [160 Valid, 5825 Invalid, 0 Unknown, 0 Unchecked, 12.3s Time] [2023-11-29 03:21:31,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2899 states. [2023-11-29 03:21:31,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2899 to 2731. [2023-11-29 03:21:31,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2731 states, 2432 states have (on average 1.5045230263157894) internal successors, (3659), 2553 states have internal predecessors, (3659), 157 states have call successors, (157), 50 states have call predecessors, (157), 44 states have return successors, (127), 127 states have call predecessors, (127), 127 states have call successors, (127) [2023-11-29 03:21:31,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2731 states to 2731 states and 3943 transitions. [2023-11-29 03:21:31,920 INFO L78 Accepts]: Start accepts. Automaton has 2731 states and 3943 transitions. Word has length 162 [2023-11-29 03:21:31,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:21:31,920 INFO L495 AbstractCegarLoop]: Abstraction has 2731 states and 3943 transitions. [2023-11-29 03:21:31,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 6.647058823529412) internal successors, (226), 33 states have internal predecessors, (226), 6 states have call successors, (11), 6 states have call predecessors, (11), 5 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2023-11-29 03:21:31,920 INFO L276 IsEmpty]: Start isEmpty. Operand 2731 states and 3943 transitions. [2023-11-29 03:21:31,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-29 03:21:31,922 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:21:31,922 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 8, 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] [2023-11-29 03:21:31,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2023-11-29 03:21:32,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:21:32,122 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting bb_verror_msgErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:21:32,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:21:32,123 INFO L85 PathProgramCache]: Analyzing trace with hash 889940654, now seen corresponding path program 1 times [2023-11-29 03:21:32,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:21:32,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129891498] [2023-11-29 03:21:32,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:21:32,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:21:32,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:32,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:21:32,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:32,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:21:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:32,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-29 03:21:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:32,456 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2023-11-29 03:21:32,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:21:32,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129891498] [2023-11-29 03:21:32,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129891498] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:21:32,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:21:32,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:21:32,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100276729] [2023-11-29 03:21:32,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:21:32,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:21:32,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:21:32,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:21:32,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:21:32,458 INFO L87 Difference]: Start difference. First operand 2731 states and 3943 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 03:21:34,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:21:34,501 INFO L93 Difference]: Finished difference Result 5144 states and 7603 transitions. [2023-11-29 03:21:34,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:21:34,502 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 165 [2023-11-29 03:21:34,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:21:34,506 INFO L225 Difference]: With dead ends: 5144 [2023-11-29 03:21:34,506 INFO L226 Difference]: Without dead ends: 2855 [2023-11-29 03:21:34,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:21:34,511 INFO L413 NwaCegarLoop]: 670 mSDtfsCounter, 506 mSDsluCounter, 1679 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 2349 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:21:34,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 2349 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 697 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 03:21:34,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2855 states. [2023-11-29 03:21:34,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2855 to 2687. [2023-11-29 03:21:34,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2687 states, 2395 states have (on average 1.5006263048016701) internal successors, (3594), 2516 states have internal predecessors, (3594), 151 states have call successors, (151), 49 states have call predecessors, (151), 43 states have return successors, (121), 121 states have call predecessors, (121), 121 states have call successors, (121) [2023-11-29 03:21:34,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2687 states to 2687 states and 3866 transitions. [2023-11-29 03:21:34,763 INFO L78 Accepts]: Start accepts. Automaton has 2687 states and 3866 transitions. Word has length 165 [2023-11-29 03:21:34,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:21:34,763 INFO L495 AbstractCegarLoop]: Abstraction has 2687 states and 3866 transitions. [2023-11-29 03:21:34,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 03:21:34,763 INFO L276 IsEmpty]: Start isEmpty. Operand 2687 states and 3866 transitions. [2023-11-29 03:21:34,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-29 03:21:34,764 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:21:34,764 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 8, 3, 2, 2, 2, 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] [2023-11-29 03:21:34,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2023-11-29 03:21:34,765 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:21:34,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:21:34,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1755286568, now seen corresponding path program 1 times [2023-11-29 03:21:34,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:21:34,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090745107] [2023-11-29 03:21:34,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:21:34,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:21:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:35,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:21:35,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:35,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 03:21:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:35,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 03:21:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:35,111 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2023-11-29 03:21:35,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:21:35,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090745107] [2023-11-29 03:21:35,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090745107] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:21:35,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:21:35,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:21:35,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398926703] [2023-11-29 03:21:35,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:21:35,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:21:35,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:21:35,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:21:35,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:21:35,112 INFO L87 Difference]: Start difference. First operand 2687 states and 3866 transitions. Second operand has 5 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:21:38,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:21:38,016 INFO L93 Difference]: Finished difference Result 4763 states and 6830 transitions. [2023-11-29 03:21:38,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:21:38,016 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 163 [2023-11-29 03:21:38,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:21:38,020 INFO L225 Difference]: With dead ends: 4763 [2023-11-29 03:21:38,020 INFO L226 Difference]: Without dead ends: 2783 [2023-11-29 03:21:38,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:21:38,023 INFO L413 NwaCegarLoop]: 1241 mSDtfsCounter, 1977 mSDsluCounter, 2299 mSDsCounter, 0 mSdLazyCounter, 1153 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2005 SdHoareTripleChecker+Valid, 3540 SdHoareTripleChecker+Invalid, 1310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 1153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:21:38,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2005 Valid, 3540 Invalid, 1310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 1153 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-29 03:21:38,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2783 states. [2023-11-29 03:21:38,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2783 to 2387. [2023-11-29 03:21:38,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2387 states, 2107 states have (on average 1.491219743711438) internal successors, (3142), 2226 states have internal predecessors, (3142), 141 states have call successors, (141), 49 states have call predecessors, (141), 43 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2023-11-29 03:21:38,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2387 states to 2387 states and 3394 transitions. [2023-11-29 03:21:38,204 INFO L78 Accepts]: Start accepts. Automaton has 2387 states and 3394 transitions. Word has length 163 [2023-11-29 03:21:38,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:21:38,204 INFO L495 AbstractCegarLoop]: Abstraction has 2387 states and 3394 transitions. [2023-11-29 03:21:38,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:21:38,205 INFO L276 IsEmpty]: Start isEmpty. Operand 2387 states and 3394 transitions. [2023-11-29 03:21:38,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-29 03:21:38,206 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:21:38,206 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 8, 2, 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] [2023-11-29 03:21:38,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2023-11-29 03:21:38,206 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:21:38,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:21:38,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1309413274, now seen corresponding path program 1 times [2023-11-29 03:21:38,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:21:38,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423084993] [2023-11-29 03:21:38,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:21:38,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:21:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:38,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:21:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:38,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 03:21:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:38,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-29 03:21:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:38,722 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2023-11-29 03:21:38,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:21:38,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423084993] [2023-11-29 03:21:38,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423084993] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:21:38,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [189442940] [2023-11-29 03:21:38,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:21:38,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:21:38,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:21:38,724 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:21:38,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2023-11-29 03:21:40,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:40,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 1933 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 03:21:40,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:21:40,559 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2023-11-29 03:21:40,559 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:21:40,787 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2023-11-29 03:21:40,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [189442940] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:21:40,787 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:21:40,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 8] total 16 [2023-11-29 03:21:40,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403549000] [2023-11-29 03:21:40,788 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:21:40,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 03:21:40,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:21:40,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 03:21:40,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2023-11-29 03:21:40,789 INFO L87 Difference]: Start difference. First operand 2387 states and 3394 transitions. Second operand has 16 states, 16 states have (on average 11.0) internal successors, (176), 15 states have internal predecessors, (176), 6 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 03:21:47,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:21:47,618 INFO L93 Difference]: Finished difference Result 4834 states and 7029 transitions. [2023-11-29 03:21:47,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-11-29 03:21:47,619 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 11.0) internal successors, (176), 15 states have internal predecessors, (176), 6 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 166 [2023-11-29 03:21:47,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:21:47,623 INFO L225 Difference]: With dead ends: 4834 [2023-11-29 03:21:47,623 INFO L226 Difference]: Without dead ends: 2858 [2023-11-29 03:21:47,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 325 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 452 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=395, Invalid=1585, Unknown=0, NotChecked=0, Total=1980 [2023-11-29 03:21:47,626 INFO L413 NwaCegarLoop]: 791 mSDtfsCounter, 3618 mSDsluCounter, 7564 mSDsCounter, 0 mSdLazyCounter, 3278 mSolverCounterSat, 199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3632 SdHoareTripleChecker+Valid, 8355 SdHoareTripleChecker+Invalid, 3477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 3278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:21:47,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3632 Valid, 8355 Invalid, 3477 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [199 Valid, 3278 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2023-11-29 03:21:47,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2858 states. [2023-11-29 03:21:47,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2858 to 2695. [2023-11-29 03:21:47,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2695 states, 2405 states have (on average 1.4956340956340957) internal successors, (3597), 2524 states have internal predecessors, (3597), 151 states have call successors, (151), 49 states have call predecessors, (151), 43 states have return successors, (121), 121 states have call predecessors, (121), 121 states have call successors, (121) [2023-11-29 03:21:47,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2695 states to 2695 states and 3869 transitions. [2023-11-29 03:21:47,883 INFO L78 Accepts]: Start accepts. Automaton has 2695 states and 3869 transitions. Word has length 166 [2023-11-29 03:21:47,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:21:47,884 INFO L495 AbstractCegarLoop]: Abstraction has 2695 states and 3869 transitions. [2023-11-29 03:21:47,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 11.0) internal successors, (176), 15 states have internal predecessors, (176), 6 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 03:21:47,884 INFO L276 IsEmpty]: Start isEmpty. Operand 2695 states and 3869 transitions. [2023-11-29 03:21:47,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-29 03:21:47,885 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:21:47,885 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 8, 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] [2023-11-29 03:21:47,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2023-11-29 03:21:48,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:21:48,086 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting xmalloc_fgetlineErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:21:48,086 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:21:48,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1374831384, now seen corresponding path program 1 times [2023-11-29 03:21:48,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:21:48,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813819107] [2023-11-29 03:21:48,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:21:48,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:21:48,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:48,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:21:48,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:48,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:21:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:48,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-29 03:21:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:48,856 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2023-11-29 03:21:48,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:21:48,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813819107] [2023-11-29 03:21:48,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813819107] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:21:48,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:21:48,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 03:21:48,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131693547] [2023-11-29 03:21:48,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:21:48,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:21:48,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:21:48,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:21:48,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:21:48,857 INFO L87 Difference]: Start difference. First operand 2695 states and 3869 transitions. Second operand has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 5 states have internal predecessors, (97), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:21:51,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:21:51,234 INFO L93 Difference]: Finished difference Result 5081 states and 7437 transitions. [2023-11-29 03:21:51,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:21:51,235 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 5 states have internal predecessors, (97), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 168 [2023-11-29 03:21:51,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:21:51,239 INFO L225 Difference]: With dead ends: 5081 [2023-11-29 03:21:51,239 INFO L226 Difference]: Without dead ends: 3511 [2023-11-29 03:21:51,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:21:51,242 INFO L413 NwaCegarLoop]: 1057 mSDtfsCounter, 1378 mSDsluCounter, 2606 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1392 SdHoareTripleChecker+Valid, 3663 SdHoareTripleChecker+Invalid, 999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-29 03:21:51,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1392 Valid, 3663 Invalid, 999 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-29 03:21:51,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3511 states. [2023-11-29 03:21:51,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3511 to 2701. [2023-11-29 03:21:51,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2701 states, 2411 states have (on average 1.4944006636250518) internal successors, (3603), 2530 states have internal predecessors, (3603), 151 states have call successors, (151), 49 states have call predecessors, (151), 43 states have return successors, (121), 121 states have call predecessors, (121), 121 states have call successors, (121) [2023-11-29 03:21:51,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2701 states to 2701 states and 3875 transitions. [2023-11-29 03:21:51,478 INFO L78 Accepts]: Start accepts. Automaton has 2701 states and 3875 transitions. Word has length 168 [2023-11-29 03:21:51,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:21:51,478 INFO L495 AbstractCegarLoop]: Abstraction has 2701 states and 3875 transitions. [2023-11-29 03:21:51,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 5 states have internal predecessors, (97), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:21:51,478 INFO L276 IsEmpty]: Start isEmpty. Operand 2701 states and 3875 transitions. [2023-11-29 03:21:51,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-29 03:21:51,480 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:21:51,480 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 8, 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] [2023-11-29 03:21:51,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2023-11-29 03:21:51,480 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting xmalloc_fgetlineErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:21:51,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:21:51,480 INFO L85 PathProgramCache]: Analyzing trace with hash -619313322, now seen corresponding path program 1 times [2023-11-29 03:21:51,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:21:51,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487707177] [2023-11-29 03:21:51,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:21:51,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:21:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:51,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:21:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:51,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:21:51,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:51,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-29 03:21:51,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:51,914 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2023-11-29 03:21:51,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:21:51,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487707177] [2023-11-29 03:21:51,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487707177] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:21:51,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:21:51,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:21:51,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981449811] [2023-11-29 03:21:51,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:21:51,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:21:51,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:21:51,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:21:51,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:21:51,916 INFO L87 Difference]: Start difference. First operand 2701 states and 3875 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 03:21:53,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:21:53,456 INFO L93 Difference]: Finished difference Result 4338 states and 6288 transitions. [2023-11-29 03:21:53,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:21:53,457 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 168 [2023-11-29 03:21:53,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:21:53,460 INFO L225 Difference]: With dead ends: 4338 [2023-11-29 03:21:53,460 INFO L226 Difference]: Without dead ends: 2698 [2023-11-29 03:21:53,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:21:53,462 INFO L413 NwaCegarLoop]: 664 mSDtfsCounter, 363 mSDsluCounter, 1044 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 1708 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:21:53,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 1708 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 03:21:53,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2698 states. [2023-11-29 03:21:53,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2698 to 2698. [2023-11-29 03:21:53,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2698 states, 2408 states have (on average 1.4912790697674418) internal successors, (3591), 2527 states have internal predecessors, (3591), 151 states have call successors, (151), 49 states have call predecessors, (151), 43 states have return successors, (121), 121 states have call predecessors, (121), 121 states have call successors, (121) [2023-11-29 03:21:53,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2698 states to 2698 states and 3863 transitions. [2023-11-29 03:21:53,714 INFO L78 Accepts]: Start accepts. Automaton has 2698 states and 3863 transitions. Word has length 168 [2023-11-29 03:21:53,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:21:53,714 INFO L495 AbstractCegarLoop]: Abstraction has 2698 states and 3863 transitions. [2023-11-29 03:21:53,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 03:21:53,715 INFO L276 IsEmpty]: Start isEmpty. Operand 2698 states and 3863 transitions. [2023-11-29 03:21:53,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-29 03:21:53,716 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:21:53,717 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 8, 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] [2023-11-29 03:21:53,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2023-11-29 03:21:53,717 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting xmalloc_fgetlineErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:21:53,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:21:53,717 INFO L85 PathProgramCache]: Analyzing trace with hash -466913996, now seen corresponding path program 1 times [2023-11-29 03:21:53,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:21:53,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117563680] [2023-11-29 03:21:53,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:21:53,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:21:53,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:53,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:21:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:54,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:21:54,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:54,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-29 03:21:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:54,044 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2023-11-29 03:21:54,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:21:54,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117563680] [2023-11-29 03:21:54,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117563680] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:21:54,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:21:54,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:21:54,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142933565] [2023-11-29 03:21:54,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:21:54,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:21:54,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:21:54,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:21:54,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:21:54,046 INFO L87 Difference]: Start difference. First operand 2698 states and 3863 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:21:55,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:21:55,968 INFO L93 Difference]: Finished difference Result 4368 states and 6316 transitions. [2023-11-29 03:21:55,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:21:55,969 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 169 [2023-11-29 03:21:55,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:21:55,972 INFO L225 Difference]: With dead ends: 4368 [2023-11-29 03:21:55,972 INFO L226 Difference]: Without dead ends: 2750 [2023-11-29 03:21:55,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:21:55,974 INFO L413 NwaCegarLoop]: 661 mSDtfsCounter, 412 mSDsluCounter, 1700 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 2361 SdHoareTripleChecker+Invalid, 806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:21:55,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [427 Valid, 2361 Invalid, 806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 03:21:55,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2750 states. [2023-11-29 03:21:56,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2750 to 2698. [2023-11-29 03:21:56,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2698 states, 2408 states have (on average 1.4900332225913622) internal successors, (3588), 2527 states have internal predecessors, (3588), 151 states have call successors, (151), 49 states have call predecessors, (151), 43 states have return successors, (121), 121 states have call predecessors, (121), 121 states have call successors, (121) [2023-11-29 03:21:56,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2698 states to 2698 states and 3860 transitions. [2023-11-29 03:21:56,206 INFO L78 Accepts]: Start accepts. Automaton has 2698 states and 3860 transitions. Word has length 169 [2023-11-29 03:21:56,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:21:56,206 INFO L495 AbstractCegarLoop]: Abstraction has 2698 states and 3860 transitions. [2023-11-29 03:21:56,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:21:56,207 INFO L276 IsEmpty]: Start isEmpty. Operand 2698 states and 3860 transitions. [2023-11-29 03:21:56,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-29 03:21:56,208 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:21:56,208 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 8, 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] [2023-11-29 03:21:56,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2023-11-29 03:21:56,209 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting xmalloc_fgetlineErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:21:56,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:21:56,209 INFO L85 PathProgramCache]: Analyzing trace with hash 362274988, now seen corresponding path program 1 times [2023-11-29 03:21:56,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:21:56,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817963932] [2023-11-29 03:21:56,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:21:56,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:21:56,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:56,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:21:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:56,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:21:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:56,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-29 03:21:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:56,556 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2023-11-29 03:21:56,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:21:56,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817963932] [2023-11-29 03:21:56,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817963932] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:21:56,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:21:56,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:21:56,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782480613] [2023-11-29 03:21:56,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:21:56,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:21:56,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:21:56,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:21:56,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:21:56,557 INFO L87 Difference]: Start difference. First operand 2698 states and 3860 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:21:58,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:21:58,134 INFO L93 Difference]: Finished difference Result 4329 states and 6258 transitions. [2023-11-29 03:21:58,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:21:58,135 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 170 [2023-11-29 03:21:58,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:21:58,139 INFO L225 Difference]: With dead ends: 4329 [2023-11-29 03:21:58,139 INFO L226 Difference]: Without dead ends: 2698 [2023-11-29 03:21:58,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:21:58,143 INFO L413 NwaCegarLoop]: 663 mSDtfsCounter, 199 mSDsluCounter, 1249 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 1912 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:21:58,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 1912 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 03:21:58,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2698 states. [2023-11-29 03:21:58,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2698 to 2698. [2023-11-29 03:21:58,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2698 states, 2408 states have (on average 1.4887873754152825) internal successors, (3585), 2527 states have internal predecessors, (3585), 151 states have call successors, (151), 49 states have call predecessors, (151), 43 states have return successors, (121), 121 states have call predecessors, (121), 121 states have call successors, (121) [2023-11-29 03:21:58,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2698 states to 2698 states and 3857 transitions. [2023-11-29 03:21:58,415 INFO L78 Accepts]: Start accepts. Automaton has 2698 states and 3857 transitions. Word has length 170 [2023-11-29 03:21:58,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:21:58,415 INFO L495 AbstractCegarLoop]: Abstraction has 2698 states and 3857 transitions. [2023-11-29 03:21:58,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:21:58,415 INFO L276 IsEmpty]: Start isEmpty. Operand 2698 states and 3857 transitions. [2023-11-29 03:21:58,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-29 03:21:58,416 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:21:58,416 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 8, 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] [2023-11-29 03:21:58,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2023-11-29 03:21:58,417 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting xmalloc_fgetlineErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:21:58,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:21:58,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1431341614, now seen corresponding path program 1 times [2023-11-29 03:21:58,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:21:58,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459093263] [2023-11-29 03:21:58,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:21:58,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:21:58,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:58,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:21:58,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:58,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:21:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:58,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-29 03:21:58,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:58,832 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2023-11-29 03:21:58,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:21:58,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459093263] [2023-11-29 03:21:58,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459093263] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:21:58,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:21:58,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:21:58,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681586592] [2023-11-29 03:21:58,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:21:58,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:21:58,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:21:58,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:21:58,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:21:58,833 INFO L87 Difference]: Start difference. First operand 2698 states and 3857 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:22:00,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:22:00,339 INFO L93 Difference]: Finished difference Result 4371 states and 6324 transitions. [2023-11-29 03:22:00,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:22:00,340 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 170 [2023-11-29 03:22:00,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:22:00,343 INFO L225 Difference]: With dead ends: 4371 [2023-11-29 03:22:00,343 INFO L226 Difference]: Without dead ends: 2701 [2023-11-29 03:22:00,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:22:00,344 INFO L413 NwaCegarLoop]: 663 mSDtfsCounter, 199 mSDsluCounter, 1246 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 1909 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:22:00,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 1909 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 03:22:00,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2701 states. [2023-11-29 03:22:00,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2701 to 2701. [2023-11-29 03:22:00,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2701 states, 2411 states have (on average 1.4881791787639984) internal successors, (3588), 2530 states have internal predecessors, (3588), 151 states have call successors, (151), 49 states have call predecessors, (151), 43 states have return successors, (121), 121 states have call predecessors, (121), 121 states have call successors, (121) [2023-11-29 03:22:00,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2701 states to 2701 states and 3860 transitions. [2023-11-29 03:22:00,571 INFO L78 Accepts]: Start accepts. Automaton has 2701 states and 3860 transitions. Word has length 170 [2023-11-29 03:22:00,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:22:00,571 INFO L495 AbstractCegarLoop]: Abstraction has 2701 states and 3860 transitions. [2023-11-29 03:22:00,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:22:00,571 INFO L276 IsEmpty]: Start isEmpty. Operand 2701 states and 3860 transitions. [2023-11-29 03:22:00,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-29 03:22:00,572 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:22:00,572 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 8, 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] [2023-11-29 03:22:00,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2023-11-29 03:22:00,573 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting xmalloc_fgetlineErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:22:00,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:22:00,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1426815921, now seen corresponding path program 1 times [2023-11-29 03:22:00,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:22:00,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086099382] [2023-11-29 03:22:00,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:22:00,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:22:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:02,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:22:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:02,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:22:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:02,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-29 03:22:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:02,128 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2023-11-29 03:22:02,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:22:02,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086099382] [2023-11-29 03:22:02,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086099382] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:22:02,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766880767] [2023-11-29 03:22:02,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:22:02,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:22:02,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:22:02,130 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:22:02,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2023-11-29 03:22:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:03,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 2076 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-29 03:22:03,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:22:04,174 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 15 treesize of output 1 [2023-11-29 03:22:04,222 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 15 treesize of output 7 [2023-11-29 03:22:04,251 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2023-11-29 03:22:04,251 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:22:04,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766880767] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:22:04,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:22:04,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 16 [2023-11-29 03:22:04,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264852477] [2023-11-29 03:22:04,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:22:04,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:22:04,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:22:04,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:22:04,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2023-11-29 03:22:04,253 INFO L87 Difference]: Start difference. First operand 2701 states and 3860 transitions. Second operand has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 03:22:04,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:22:04,874 INFO L93 Difference]: Finished difference Result 4323 states and 6263 transitions. [2023-11-29 03:22:04,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 03:22:04,875 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 171 [2023-11-29 03:22:04,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:22:04,878 INFO L225 Difference]: With dead ends: 4323 [2023-11-29 03:22:04,878 INFO L226 Difference]: Without dead ends: 2762 [2023-11-29 03:22:04,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2023-11-29 03:22:04,880 INFO L413 NwaCegarLoop]: 849 mSDtfsCounter, 181 mSDsluCounter, 3175 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 4024 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:22:04,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 4024 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 03:22:04,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2762 states. [2023-11-29 03:22:05,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2762 to 2734. [2023-11-29 03:22:05,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2734 states, 2438 states have (on average 1.4876948318293683) internal successors, (3627), 2557 states have internal predecessors, (3627), 157 states have call successors, (157), 49 states have call predecessors, (157), 43 states have return successors, (127), 127 states have call predecessors, (127), 127 states have call successors, (127) [2023-11-29 03:22:05,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2734 states to 2734 states and 3911 transitions. [2023-11-29 03:22:05,116 INFO L78 Accepts]: Start accepts. Automaton has 2734 states and 3911 transitions. Word has length 171 [2023-11-29 03:22:05,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:22:05,117 INFO L495 AbstractCegarLoop]: Abstraction has 2734 states and 3911 transitions. [2023-11-29 03:22:05,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 03:22:05,117 INFO L276 IsEmpty]: Start isEmpty. Operand 2734 states and 3911 transitions. [2023-11-29 03:22:05,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-29 03:22:05,118 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:22:05,119 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 8, 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] [2023-11-29 03:22:05,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2023-11-29 03:22:05,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2023-11-29 03:22:05,319 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting xmalloc_fgetlineErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:22:05,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:22:05,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1424968879, now seen corresponding path program 1 times [2023-11-29 03:22:05,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:22:05,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168100521] [2023-11-29 03:22:05,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:22:05,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:22:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:05,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:22:05,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:05,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:22:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:05,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-29 03:22:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:05,625 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2023-11-29 03:22:05,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:22:05,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168100521] [2023-11-29 03:22:05,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168100521] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:22:05,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:22:05,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:22:05,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43244481] [2023-11-29 03:22:05,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:22:05,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:22:05,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:22:05,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:22:05,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:22:05,626 INFO L87 Difference]: Start difference. First operand 2734 states and 3911 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:22:06,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:22:06,862 INFO L93 Difference]: Finished difference Result 4328 states and 6269 transitions. [2023-11-29 03:22:06,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:22:06,862 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 171 [2023-11-29 03:22:06,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:22:06,866 INFO L225 Difference]: With dead ends: 4328 [2023-11-29 03:22:06,866 INFO L226 Difference]: Without dead ends: 2734 [2023-11-29 03:22:06,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 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 03:22:06,868 INFO L413 NwaCegarLoop]: 664 mSDtfsCounter, 209 mSDsluCounter, 1254 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 1918 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 03:22:06,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 1918 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 03:22:06,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2734 states. [2023-11-29 03:22:07,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2734 to 2734. [2023-11-29 03:22:07,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2734 states, 2438 states have (on average 1.484003281378179) internal successors, (3618), 2557 states have internal predecessors, (3618), 157 states have call successors, (157), 49 states have call predecessors, (157), 43 states have return successors, (127), 127 states have call predecessors, (127), 127 states have call successors, (127) [2023-11-29 03:22:07,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2734 states to 2734 states and 3902 transitions. [2023-11-29 03:22:07,104 INFO L78 Accepts]: Start accepts. Automaton has 2734 states and 3902 transitions. Word has length 171 [2023-11-29 03:22:07,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:22:07,104 INFO L495 AbstractCegarLoop]: Abstraction has 2734 states and 3902 transitions. [2023-11-29 03:22:07,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:22:07,105 INFO L276 IsEmpty]: Start isEmpty. Operand 2734 states and 3902 transitions. [2023-11-29 03:22:07,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-29 03:22:07,106 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:22:07,106 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 8, 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] [2023-11-29 03:22:07,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2023-11-29 03:22:07,106 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting xmalloc_fgetlineErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:22:07,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:22:07,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1281617607, now seen corresponding path program 1 times [2023-11-29 03:22:07,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:22:07,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686073039] [2023-11-29 03:22:07,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:22:07,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:22:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:07,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:22:07,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:07,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:22:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:07,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-29 03:22:07,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:07,826 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2023-11-29 03:22:07,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:22:07,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686073039] [2023-11-29 03:22:07,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686073039] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:22:07,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:22:07,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:22:07,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881637184] [2023-11-29 03:22:07,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:22:07,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:22:07,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:22:07,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:22:07,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:22:07,828 INFO L87 Difference]: Start difference. First operand 2734 states and 3902 transitions. Second operand has 6 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:22:10,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:22:10,223 INFO L93 Difference]: Finished difference Result 2734 states and 3902 transitions. [2023-11-29 03:22:10,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 03:22:10,224 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 172 [2023-11-29 03:22:10,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:22:10,227 INFO L225 Difference]: With dead ends: 2734 [2023-11-29 03:22:10,227 INFO L226 Difference]: Without dead ends: 2733 [2023-11-29 03:22:10,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:22:10,228 INFO L413 NwaCegarLoop]: 664 mSDtfsCounter, 217 mSDsluCounter, 2552 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 3216 SdHoareTripleChecker+Invalid, 983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:22:10,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 3216 Invalid, 983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 951 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-29 03:22:10,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2733 states. [2023-11-29 03:22:10,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2733 to 2733. [2023-11-29 03:22:10,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2733 states, 2438 states have (on average 1.4827727645611157) internal successors, (3615), 2556 states have internal predecessors, (3615), 157 states have call successors, (157), 49 states have call predecessors, (157), 43 states have return successors, (127), 127 states have call predecessors, (127), 127 states have call successors, (127) [2023-11-29 03:22:10,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2733 states to 2733 states and 3899 transitions. [2023-11-29 03:22:10,461 INFO L78 Accepts]: Start accepts. Automaton has 2733 states and 3899 transitions. Word has length 172 [2023-11-29 03:22:10,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:22:10,461 INFO L495 AbstractCegarLoop]: Abstraction has 2733 states and 3899 transitions. [2023-11-29 03:22:10,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:22:10,461 INFO L276 IsEmpty]: Start isEmpty. Operand 2733 states and 3899 transitions. [2023-11-29 03:22:10,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-29 03:22:10,463 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:22:10,463 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:22:10,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2023-11-29 03:22:10,464 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:22:10,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:22:10,464 INFO L85 PathProgramCache]: Analyzing trace with hash 241446962, now seen corresponding path program 3 times [2023-11-29 03:22:10,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:22:10,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470390610] [2023-11-29 03:22:10,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:22:10,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:22:10,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:11,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:22:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:11,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1303 backedges. 0 proven. 1012 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 03:22:11,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:22:11,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470390610] [2023-11-29 03:22:11,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470390610] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:22:11,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059286801] [2023-11-29 03:22:11,615 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 03:22:11,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:22:11,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:22:11,616 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:22:11,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2023-11-29 03:22:13,670 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-11-29 03:22:13,670 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 03:22:13,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 1185 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-29 03:22:13,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:22:13,694 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 15 treesize of output 11 [2023-11-29 03:22:13,704 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 15 treesize of output 11 [2023-11-29 03:22:13,791 INFO L349 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2023-11-29 03:22:13,791 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2023-11-29 03:22:13,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:22:13,814 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 27 treesize of output 15 [2023-11-29 03:22:14,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1303 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 1258 trivial. 0 not checked. [2023-11-29 03:22:14,758 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:22:15,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1303 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 1258 trivial. 0 not checked. [2023-11-29 03:22:15,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2059286801] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:22:15,634 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:22:15,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 8, 8] total 36 [2023-11-29 03:22:15,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156652206] [2023-11-29 03:22:15,634 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:22:15,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-11-29 03:22:15,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:22:15,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-11-29 03:22:15,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=359, Invalid=901, Unknown=0, NotChecked=0, Total=1260 [2023-11-29 03:22:15,636 INFO L87 Difference]: Start difference. First operand 2733 states and 3899 transitions. Second operand has 36 states, 36 states have (on average 4.027777777777778) internal successors, (145), 36 states have internal predecessors, (145), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:22:20,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:22:20,705 INFO L93 Difference]: Finished difference Result 13889 states and 20259 transitions. [2023-11-29 03:22:20,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-29 03:22:20,706 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 4.027777777777778) internal successors, (145), 36 states have internal predecessors, (145), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 171 [2023-11-29 03:22:20,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:22:20,717 INFO L225 Difference]: With dead ends: 13889 [2023-11-29 03:22:20,717 INFO L226 Difference]: Without dead ends: 11419 [2023-11-29 03:22:20,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=431, Invalid=1051, Unknown=0, NotChecked=0, Total=1482 [2023-11-29 03:22:20,721 INFO L413 NwaCegarLoop]: 1256 mSDtfsCounter, 8279 mSDsluCounter, 17500 mSDsCounter, 0 mSdLazyCounter, 1461 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8379 SdHoareTripleChecker+Valid, 18756 SdHoareTripleChecker+Invalid, 1518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:22:20,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8379 Valid, 18756 Invalid, 1518 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [57 Valid, 1461 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-29 03:22:20,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11419 states. [2023-11-29 03:22:21,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11419 to 2740. [2023-11-29 03:22:21,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2740 states, 2445 states have (on average 1.481799591002045) internal successors, (3623), 2563 states have internal predecessors, (3623), 157 states have call successors, (157), 49 states have call predecessors, (157), 43 states have return successors, (127), 127 states have call predecessors, (127), 127 states have call successors, (127) [2023-11-29 03:22:21,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2740 states to 2740 states and 3907 transitions. [2023-11-29 03:22:21,010 INFO L78 Accepts]: Start accepts. Automaton has 2740 states and 3907 transitions. Word has length 171 [2023-11-29 03:22:21,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:22:21,010 INFO L495 AbstractCegarLoop]: Abstraction has 2740 states and 3907 transitions. [2023-11-29 03:22:21,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 4.027777777777778) internal successors, (145), 36 states have internal predecessors, (145), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:22:21,010 INFO L276 IsEmpty]: Start isEmpty. Operand 2740 states and 3907 transitions. [2023-11-29 03:22:21,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-29 03:22:21,026 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:22:21,026 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 8, 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, 1, 1, 1, 1, 1, 1] [2023-11-29 03:22:21,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2023-11-29 03:22:21,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:22:21,227 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:22:21,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:22:21,227 INFO L85 PathProgramCache]: Analyzing trace with hash 764163552, now seen corresponding path program 1 times [2023-11-29 03:22:21,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:22:21,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148772934] [2023-11-29 03:22:21,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:22:21,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:22:21,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:21,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:22:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:21,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:22:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:21,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-29 03:22:21,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:21,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:22:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:21,958 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2023-11-29 03:22:21,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:22:21,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148772934] [2023-11-29 03:22:21,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148772934] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:22:21,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:22:21,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 03:22:21,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785123236] [2023-11-29 03:22:21,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:22:21,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 03:22:21,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:22:21,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 03:22:21,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:22:21,961 INFO L87 Difference]: Start difference. First operand 2740 states and 3907 transitions. Second operand has 9 states, 8 states have (on average 13.375) internal successors, (107), 6 states have internal predecessors, (107), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 03:22:26,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:22:26,154 INFO L93 Difference]: Finished difference Result 4379 states and 6325 transitions. [2023-11-29 03:22:26,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 03:22:26,155 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.375) internal successors, (107), 6 states have internal predecessors, (107), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 179 [2023-11-29 03:22:26,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:22:26,158 INFO L225 Difference]: With dead ends: 4379 [2023-11-29 03:22:26,158 INFO L226 Difference]: Without dead ends: 2786 [2023-11-29 03:22:26,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-11-29 03:22:26,160 INFO L413 NwaCegarLoop]: 661 mSDtfsCounter, 262 mSDsluCounter, 4375 mSDsCounter, 0 mSdLazyCounter, 1755 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 5036 SdHoareTripleChecker+Invalid, 1829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 1755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:22:26,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 5036 Invalid, 1829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 1755 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-29 03:22:26,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2786 states. [2023-11-29 03:22:26,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2786 to 2761. [2023-11-29 03:22:26,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2761 states, 2466 states have (on average 1.4801297648012977) internal successors, (3650), 2584 states have internal predecessors, (3650), 154 states have call successors, (154), 49 states have call predecessors, (154), 46 states have return successors, (130), 127 states have call predecessors, (130), 124 states have call successors, (130) [2023-11-29 03:22:26,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2761 states to 2761 states and 3934 transitions. [2023-11-29 03:22:26,428 INFO L78 Accepts]: Start accepts. Automaton has 2761 states and 3934 transitions. Word has length 179 [2023-11-29 03:22:26,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:22:26,428 INFO L495 AbstractCegarLoop]: Abstraction has 2761 states and 3934 transitions. [2023-11-29 03:22:26,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.375) internal successors, (107), 6 states have internal predecessors, (107), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 03:22:26,428 INFO L276 IsEmpty]: Start isEmpty. Operand 2761 states and 3934 transitions. [2023-11-29 03:22:26,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-29 03:22:26,429 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:22:26,430 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:22:26,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2023-11-29 03:22:26,430 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting bb_verror_msgErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:22:26,430 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:22:26,430 INFO L85 PathProgramCache]: Analyzing trace with hash -738427863, now seen corresponding path program 1 times [2023-11-29 03:22:26,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:22:26,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846477321] [2023-11-29 03:22:26,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:22:26,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:22:26,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:28,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:22:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:28,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:22:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:28,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-29 03:22:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:28,241 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2023-11-29 03:22:28,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:22:28,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846477321] [2023-11-29 03:22:28,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846477321] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:22:28,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744580363] [2023-11-29 03:22:28,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:22:28,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:22:28,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:22:28,242 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:22:28,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2023-11-29 03:22:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:30,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 2214 conjuncts, 57 conjunts are in the unsatisfiable core [2023-11-29 03:22:30,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:22:30,180 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-11-29 03:22:30,181 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 19 treesize of output 16 [2023-11-29 03:22:30,456 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-11-29 03:22:30,457 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 19 treesize of output 16 [2023-11-29 03:22:30,544 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-11-29 03:22:30,544 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 19 treesize of output 16 [2023-11-29 03:22:30,564 INFO L349 Elim1Store]: treesize reduction 4, result has 75.0 percent of original size [2023-11-29 03:22:30,565 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 19 [2023-11-29 03:22:30,576 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 32 treesize of output 11 [2023-11-29 03:22:30,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2023-11-29 03:22:30,630 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 32 treesize of output 11 [2023-11-29 03:22:30,672 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 32 treesize of output 11 [2023-11-29 03:22:30,712 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 32 treesize of output 11 [2023-11-29 03:22:30,753 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 32 treesize of output 11 [2023-11-29 03:22:30,793 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 32 treesize of output 11 [2023-11-29 03:22:30,833 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 32 treesize of output 11 [2023-11-29 03:22:30,869 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 32 treesize of output 11 [2023-11-29 03:22:30,917 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 32 treesize of output 11 [2023-11-29 03:22:30,962 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 32 treesize of output 11 [2023-11-29 03:22:31,002 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 32 treesize of output 11 [2023-11-29 03:22:32,224 INFO L349 Elim1Store]: treesize reduction 25, result has 47.9 percent of original size [2023-11-29 03:22:32,224 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 1 case distinctions, treesize of input 24 treesize of output 35 [2023-11-29 03:22:32,267 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 03:22:32,509 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2023-11-29 03:22:32,509 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:22:37,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [744580363] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:22:37,544 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:22:37,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8] total 20 [2023-11-29 03:22:37,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445795331] [2023-11-29 03:22:37,545 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:22:37,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 03:22:37,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:22:37,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 03:22:37,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=573, Unknown=2, NotChecked=0, Total=650 [2023-11-29 03:22:37,547 INFO L87 Difference]: Start difference. First operand 2761 states and 3934 transitions. Second operand has 20 states, 20 states have (on average 10.35) internal successors, (207), 18 states have internal predecessors, (207), 5 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2023-11-29 03:22:41,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:22:45,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:22:52,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:23:00,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:23:15,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:23:19,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:23:19,750 INFO L93 Difference]: Finished difference Result 9067 states and 13516 transitions. [2023-11-29 03:23:19,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-29 03:23:19,750 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 10.35) internal successors, (207), 18 states have internal predecessors, (207), 5 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 181 [2023-11-29 03:23:19,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:23:19,759 INFO L225 Difference]: With dead ends: 9067 [2023-11-29 03:23:19,760 INFO L226 Difference]: Without dead ends: 7374 [2023-11-29 03:23:19,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 322 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 607 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=445, Invalid=2633, Unknown=2, NotChecked=0, Total=3080 [2023-11-29 03:23:19,763 INFO L413 NwaCegarLoop]: 1009 mSDtfsCounter, 4822 mSDsluCounter, 12675 mSDsCounter, 0 mSdLazyCounter, 6691 mSolverCounterSat, 465 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4833 SdHoareTripleChecker+Valid, 13684 SdHoareTripleChecker+Invalid, 7161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 465 IncrementalHoareTripleChecker+Valid, 6691 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:23:19,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4833 Valid, 13684 Invalid, 7161 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [465 Valid, 6691 Invalid, 5 Unknown, 0 Unchecked, 38.2s Time] [2023-11-29 03:23:19,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7374 states. [2023-11-29 03:23:20,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7374 to 4926. [2023-11-29 03:23:20,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4926 states, 4444 states have (on average 1.5193519351935194) internal successors, (6752), 4592 states have internal predecessors, (6752), 298 states have call successors, (298), 95 states have call predecessors, (298), 89 states have return successors, (250), 238 states have call predecessors, (250), 238 states have call successors, (250) [2023-11-29 03:23:20,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4926 states to 4926 states and 7300 transitions. [2023-11-29 03:23:20,288 INFO L78 Accepts]: Start accepts. Automaton has 4926 states and 7300 transitions. Word has length 181 [2023-11-29 03:23:20,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:23:20,289 INFO L495 AbstractCegarLoop]: Abstraction has 4926 states and 7300 transitions. [2023-11-29 03:23:20,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 10.35) internal successors, (207), 18 states have internal predecessors, (207), 5 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2023-11-29 03:23:20,289 INFO L276 IsEmpty]: Start isEmpty. Operand 4926 states and 7300 transitions. [2023-11-29 03:23:20,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-29 03:23:20,290 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:23:20,291 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:23:20,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2023-11-29 03:23:20,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable74 [2023-11-29 03:23:20,491 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting bb_verror_msgErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:23:20,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:23:20,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1460049167, now seen corresponding path program 1 times [2023-11-29 03:23:20,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:23:20,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779810687] [2023-11-29 03:23:20,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:23:20,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:23:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:20,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:23:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:20,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:23:21,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:21,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-29 03:23:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:21,045 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2023-11-29 03:23:21,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:23:21,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779810687] [2023-11-29 03:23:21,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779810687] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:23:21,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:23:21,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:23:21,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247234512] [2023-11-29 03:23:21,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:23:21,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:23:21,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:23:21,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:23:21,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:23:21,046 INFO L87 Difference]: Start difference. First operand 4926 states and 7300 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 03:23:23,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:23:23,414 INFO L93 Difference]: Finished difference Result 9906 states and 14919 transitions. [2023-11-29 03:23:23,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:23:23,415 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 181 [2023-11-29 03:23:23,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:23:23,421 INFO L225 Difference]: With dead ends: 9906 [2023-11-29 03:23:23,421 INFO L226 Difference]: Without dead ends: 5448 [2023-11-29 03:23:23,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:23:23,425 INFO L413 NwaCegarLoop]: 658 mSDtfsCounter, 380 mSDsluCounter, 1787 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 2445 SdHoareTripleChecker+Invalid, 830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:23:23,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 2445 Invalid, 830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 743 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 03:23:23,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5448 states. [2023-11-29 03:23:23,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5448 to 5076. [2023-11-29 03:23:23,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5076 states, 4592 states have (on average 1.5174216027874565) internal successors, (6968), 4740 states have internal predecessors, (6968), 300 states have call successors, (300), 95 states have call predecessors, (300), 89 states have return successors, (252), 240 states have call predecessors, (252), 240 states have call successors, (252) [2023-11-29 03:23:23,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5076 states to 5076 states and 7520 transitions. [2023-11-29 03:23:23,959 INFO L78 Accepts]: Start accepts. Automaton has 5076 states and 7520 transitions. Word has length 181 [2023-11-29 03:23:23,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:23:23,960 INFO L495 AbstractCegarLoop]: Abstraction has 5076 states and 7520 transitions. [2023-11-29 03:23:23,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 03:23:23,960 INFO L276 IsEmpty]: Start isEmpty. Operand 5076 states and 7520 transitions. [2023-11-29 03:23:23,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-29 03:23:23,961 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:23:23,961 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:23:23,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2023-11-29 03:23:23,962 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting bb_verror_msgErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:23:23,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:23:23,962 INFO L85 PathProgramCache]: Analyzing trace with hash -91992348, now seen corresponding path program 1 times [2023-11-29 03:23:23,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:23:23,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2263402] [2023-11-29 03:23:23,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:23:23,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:23:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:24,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:23:24,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:24,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:23:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:25,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-29 03:23:25,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:25,104 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 03:23:25,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:23:25,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2263402] [2023-11-29 03:23:25,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2263402] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:23:25,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244456086] [2023-11-29 03:23:25,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:23:25,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:23:25,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:23:25,106 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:23:25,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2023-11-29 03:23:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:26,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 2226 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-29 03:23:26,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:23:26,991 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-29 03:23:26,991 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-29 03:23:26,997 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 16 treesize of output 11 [2023-11-29 03:23:27,044 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 16 treesize of output 11 [2023-11-29 03:23:27,065 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 16 treesize of output 11 [2023-11-29 03:23:27,086 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 16 treesize of output 11 [2023-11-29 03:23:27,108 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 16 treesize of output 11 [2023-11-29 03:23:27,131 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 16 treesize of output 11 [2023-11-29 03:23:27,155 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 16 treesize of output 11 [2023-11-29 03:23:27,178 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 16 treesize of output 11 [2023-11-29 03:23:27,204 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 16 treesize of output 11 [2023-11-29 03:23:27,227 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 16 treesize of output 11 [2023-11-29 03:23:27,247 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 16 treesize of output 11 [2023-11-29 03:23:28,142 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-11-29 03:23:28,143 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:23:29,158 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-11-29 03:23:29,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244456086] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:23:29,158 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:23:29,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 12] total 33 [2023-11-29 03:23:29,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429204841] [2023-11-29 03:23:29,159 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:23:29,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-11-29 03:23:29,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:23:29,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-11-29 03:23:29,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=959, Unknown=0, NotChecked=0, Total=1056 [2023-11-29 03:23:29,160 INFO L87 Difference]: Start difference. First operand 5076 states and 7520 transitions. Second operand has 33 states, 32 states have (on average 10.4375) internal successors, (334), 27 states have internal predecessors, (334), 8 states have call successors, (12), 9 states have call predecessors, (12), 4 states have return successors, (9), 4 states have call predecessors, (9), 6 states have call successors, (9) [2023-11-29 03:23:47,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:23:47,763 INFO L93 Difference]: Finished difference Result 15948 states and 24080 transitions. [2023-11-29 03:23:47,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-29 03:23:47,764 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 10.4375) internal successors, (334), 27 states have internal predecessors, (334), 8 states have call successors, (12), 9 states have call predecessors, (12), 4 states have return successors, (9), 4 states have call predecessors, (9), 6 states have call successors, (9) Word has length 185 [2023-11-29 03:23:47,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:23:47,782 INFO L225 Difference]: With dead ends: 15948 [2023-11-29 03:23:47,782 INFO L226 Difference]: Without dead ends: 11027 [2023-11-29 03:23:47,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 630 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=414, Invalid=3368, Unknown=0, NotChecked=0, Total=3782 [2023-11-29 03:23:47,792 INFO L413 NwaCegarLoop]: 645 mSDtfsCounter, 3281 mSDsluCounter, 13795 mSDsCounter, 0 mSdLazyCounter, 6997 mSolverCounterSat, 371 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3313 SdHoareTripleChecker+Valid, 14440 SdHoareTripleChecker+Invalid, 7368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 371 IncrementalHoareTripleChecker+Valid, 6997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:23:47,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3313 Valid, 14440 Invalid, 7368 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [371 Valid, 6997 Invalid, 0 Unknown, 0 Unchecked, 15.2s Time] [2023-11-29 03:23:47,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11027 states. [2023-11-29 03:23:48,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11027 to 9997. [2023-11-29 03:23:48,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9997 states, 8991 states have (on average 1.5385385385385386) internal successors, (13833), 9217 states have internal predecessors, (13833), 678 states have call successors, (678), 245 states have call predecessors, (678), 233 states have return successors, (708), 534 states have call predecessors, (708), 534 states have call successors, (708) [2023-11-29 03:23:49,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9997 states to 9997 states and 15219 transitions. [2023-11-29 03:23:49,003 INFO L78 Accepts]: Start accepts. Automaton has 9997 states and 15219 transitions. Word has length 185 [2023-11-29 03:23:49,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:23:49,003 INFO L495 AbstractCegarLoop]: Abstraction has 9997 states and 15219 transitions. [2023-11-29 03:23:49,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 10.4375) internal successors, (334), 27 states have internal predecessors, (334), 8 states have call successors, (12), 9 states have call predecessors, (12), 4 states have return successors, (9), 4 states have call predecessors, (9), 6 states have call successors, (9) [2023-11-29 03:23:49,004 INFO L276 IsEmpty]: Start isEmpty. Operand 9997 states and 15219 transitions. [2023-11-29 03:23:49,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-11-29 03:23:49,006 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:23:49,006 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:23:49,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2023-11-29 03:23:49,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable76 [2023-11-29 03:23:49,207 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting bb_verror_msgErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:23:49,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:23:49,207 INFO L85 PathProgramCache]: Analyzing trace with hash 359388362, now seen corresponding path program 1 times [2023-11-29 03:23:49,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:23:49,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543245664] [2023-11-29 03:23:49,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:23:49,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:23:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:49,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:23:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:49,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:23:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:50,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-11-29 03:23:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:50,535 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-11-29 03:23:50,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:23:50,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543245664] [2023-11-29 03:23:50,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543245664] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:23:50,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749296518] [2023-11-29 03:23:50,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:23:50,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:23:50,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:23:50,537 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:23:50,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2023-11-29 03:23:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:52,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 2258 conjuncts, 68 conjunts are in the unsatisfiable core [2023-11-29 03:23:52,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:23:52,482 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-29 03:23:52,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-29 03:23:52,490 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 16 treesize of output 11 [2023-11-29 03:23:52,549 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 16 treesize of output 11 [2023-11-29 03:23:52,576 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 16 treesize of output 11 [2023-11-29 03:23:52,606 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 16 treesize of output 11 [2023-11-29 03:23:52,638 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 16 treesize of output 11 [2023-11-29 03:23:52,669 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 16 treesize of output 11 [2023-11-29 03:23:52,700 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 16 treesize of output 11 [2023-11-29 03:23:52,734 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 16 treesize of output 11 [2023-11-29 03:23:52,765 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 16 treesize of output 11 [2023-11-29 03:23:52,797 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 16 treesize of output 11 [2023-11-29 03:23:52,827 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 16 treesize of output 11 [2023-11-29 03:23:54,899 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2023-11-29 03:23:54,899 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:23:55,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1749296518] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:23:55,227 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:23:55,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 29 [2023-11-29 03:23:55,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504681998] [2023-11-29 03:23:55,227 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:23:55,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-11-29 03:23:55,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:23:55,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-11-29 03:23:55,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=795, Unknown=0, NotChecked=0, Total=870 [2023-11-29 03:23:55,229 INFO L87 Difference]: Start difference. First operand 9997 states and 15219 transitions. Second operand has 29 states, 27 states have (on average 8.62962962962963) internal successors, (233), 25 states have internal predecessors, (233), 5 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2023-11-29 03:24:02,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:24:13,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:24:13,867 INFO L93 Difference]: Finished difference Result 20231 states and 31038 transitions. [2023-11-29 03:24:13,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-11-29 03:24:13,868 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 27 states have (on average 8.62962962962963) internal successors, (233), 25 states have internal predecessors, (233), 5 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) Word has length 188 [2023-11-29 03:24:13,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:24:13,881 INFO L225 Difference]: With dead ends: 20231 [2023-11-29 03:24:13,881 INFO L226 Difference]: Without dead ends: 10570 [2023-11-29 03:24:13,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 429 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=292, Invalid=2678, Unknown=0, NotChecked=0, Total=2970 [2023-11-29 03:24:13,889 INFO L413 NwaCegarLoop]: 645 mSDtfsCounter, 1661 mSDsluCounter, 10843 mSDsCounter, 0 mSdLazyCounter, 4956 mSolverCounterSat, 295 mSolverCounterUnsat, 23 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1688 SdHoareTripleChecker+Valid, 11488 SdHoareTripleChecker+Invalid, 5274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 295 IncrementalHoareTripleChecker+Valid, 4956 IncrementalHoareTripleChecker+Invalid, 23 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:24:13,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1688 Valid, 11488 Invalid, 5274 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [295 Valid, 4956 Invalid, 23 Unknown, 0 Unchecked, 15.7s Time] [2023-11-29 03:24:13,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10570 states. [2023-11-29 03:24:14,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10570 to 10010. [2023-11-29 03:24:14,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10010 states, 9004 states have (on average 1.538427365615282) internal successors, (13852), 9230 states have internal predecessors, (13852), 678 states have call successors, (678), 245 states have call predecessors, (678), 233 states have return successors, (708), 534 states have call predecessors, (708), 534 states have call successors, (708) [2023-11-29 03:24:14,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10010 states to 10010 states and 15238 transitions. [2023-11-29 03:24:14,939 INFO L78 Accepts]: Start accepts. Automaton has 10010 states and 15238 transitions. Word has length 188 [2023-11-29 03:24:14,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:24:14,939 INFO L495 AbstractCegarLoop]: Abstraction has 10010 states and 15238 transitions. [2023-11-29 03:24:14,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 27 states have (on average 8.62962962962963) internal successors, (233), 25 states have internal predecessors, (233), 5 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2023-11-29 03:24:14,940 INFO L276 IsEmpty]: Start isEmpty. Operand 10010 states and 15238 transitions. [2023-11-29 03:24:14,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-11-29 03:24:14,942 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:24:14,942 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 2, 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, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:14,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2023-11-29 03:24:15,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable77 [2023-11-29 03:24:15,142 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting bb_verror_msgErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:24:15,143 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:15,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1897226257, now seen corresponding path program 1 times [2023-11-29 03:24:15,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:24:15,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428877439] [2023-11-29 03:24:15,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:15,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:24:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:15,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:24:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:15,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:24:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:15,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-29 03:24:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:15,488 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2023-11-29 03:24:15,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:24:15,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428877439] [2023-11-29 03:24:15,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428877439] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:15,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:24:15,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:24:15,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6273970] [2023-11-29 03:24:15,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:15,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:24:15,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:24:15,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:24:15,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:24:15,490 INFO L87 Difference]: Start difference. First operand 10010 states and 15238 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:24:17,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:24:17,461 INFO L93 Difference]: Finished difference Result 15275 states and 23317 transitions. [2023-11-29 03:24:17,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:24:17,461 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 189 [2023-11-29 03:24:17,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:24:17,470 INFO L225 Difference]: With dead ends: 15275 [2023-11-29 03:24:17,471 INFO L226 Difference]: Without dead ends: 7274 [2023-11-29 03:24:17,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 03:24:17,479 INFO L413 NwaCegarLoop]: 664 mSDtfsCounter, 207 mSDsluCounter, 1254 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 1918 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:24:17,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 1918 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 03:24:17,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7274 states. [2023-11-29 03:24:18,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7274 to 7016. [2023-11-29 03:24:18,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7016 states, 6370 states have (on average 1.5378335949764521) internal successors, (9796), 6530 states have internal predecessors, (9796), 396 states have call successors, (396), 149 states have call predecessors, (396), 155 states have return successors, (414), 336 states have call predecessors, (414), 336 states have call successors, (414) [2023-11-29 03:24:18,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7016 states to 7016 states and 10606 transitions. [2023-11-29 03:24:18,203 INFO L78 Accepts]: Start accepts. Automaton has 7016 states and 10606 transitions. Word has length 189 [2023-11-29 03:24:18,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:24:18,203 INFO L495 AbstractCegarLoop]: Abstraction has 7016 states and 10606 transitions. [2023-11-29 03:24:18,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:24:18,204 INFO L276 IsEmpty]: Start isEmpty. Operand 7016 states and 10606 transitions. [2023-11-29 03:24:18,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-11-29 03:24:18,205 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:24:18,205 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:18,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2023-11-29 03:24:18,205 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting xmalloc_fgetlineErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:24:18,206 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:18,206 INFO L85 PathProgramCache]: Analyzing trace with hash -929149734, now seen corresponding path program 1 times [2023-11-29 03:24:18,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:24:18,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926454411] [2023-11-29 03:24:18,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:18,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:24:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:18,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:24:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:18,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:24:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:18,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-29 03:24:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:18,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-11-29 03:24:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:18,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:24:18,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:18,867 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2023-11-29 03:24:18,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:24:18,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926454411] [2023-11-29 03:24:18,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926454411] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:18,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:24:18,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 03:24:18,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595817340] [2023-11-29 03:24:18,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:18,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 03:24:18,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:24:18,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 03:24:18,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:24:18,869 INFO L87 Difference]: Start difference. First operand 7016 states and 10606 transitions. Second operand has 11 states, 10 states have (on average 11.3) internal successors, (113), 6 states have internal predecessors, (113), 1 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 03:24:23,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:24:23,236 INFO L93 Difference]: Finished difference Result 11945 states and 18319 transitions. [2023-11-29 03:24:23,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 03:24:23,237 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 11.3) internal successors, (113), 6 states have internal predecessors, (113), 1 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 191 [2023-11-29 03:24:23,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:24:23,245 INFO L225 Difference]: With dead ends: 11945 [2023-11-29 03:24:23,245 INFO L226 Difference]: Without dead ends: 7004 [2023-11-29 03:24:23,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2023-11-29 03:24:23,249 INFO L413 NwaCegarLoop]: 663 mSDtfsCounter, 289 mSDsluCounter, 5048 mSDsCounter, 0 mSdLazyCounter, 1988 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 5711 SdHoareTripleChecker+Invalid, 2091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 1988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:24:23,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 5711 Invalid, 2091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 1988 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-29 03:24:23,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7004 states. [2023-11-29 03:24:23,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7004 to 6962. [2023-11-29 03:24:23,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6962 states, 6322 states have (on average 1.5324264473267952) internal successors, (9688), 6476 states have internal predecessors, (9688), 390 states have call successors, (390), 149 states have call predecessors, (390), 155 states have return successors, (414), 336 states have call predecessors, (414), 336 states have call successors, (414) [2023-11-29 03:24:23,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6962 states to 6962 states and 10492 transitions. [2023-11-29 03:24:23,923 INFO L78 Accepts]: Start accepts. Automaton has 6962 states and 10492 transitions. Word has length 191 [2023-11-29 03:24:23,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:24:23,923 INFO L495 AbstractCegarLoop]: Abstraction has 6962 states and 10492 transitions. [2023-11-29 03:24:23,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 11.3) internal successors, (113), 6 states have internal predecessors, (113), 1 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 03:24:23,924 INFO L276 IsEmpty]: Start isEmpty. Operand 6962 states and 10492 transitions. [2023-11-29 03:24:23,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-29 03:24:23,925 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:24:23,925 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:23,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2023-11-29 03:24:23,925 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting bb_verror_msgErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:24:23,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:23,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1058606212, now seen corresponding path program 1 times [2023-11-29 03:24:23,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:24:23,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94921647] [2023-11-29 03:24:23,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:23,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:24:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:24,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:24:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:24,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:24:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:24,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-11-29 03:24:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:24,506 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2023-11-29 03:24:24,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:24:24,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94921647] [2023-11-29 03:24:24,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94921647] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:24,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:24:24,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 03:24:24,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332386807] [2023-11-29 03:24:24,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:24,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:24:24,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:24:24,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:24:24,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:24:24,507 INFO L87 Difference]: Start difference. First operand 6962 states and 10492 transitions. Second operand has 7 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:24:27,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:24:27,328 INFO L93 Difference]: Finished difference Result 10811 states and 16339 transitions. [2023-11-29 03:24:27,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 03:24:27,329 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 190 [2023-11-29 03:24:27,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:24:27,340 INFO L225 Difference]: With dead ends: 10811 [2023-11-29 03:24:27,340 INFO L226 Difference]: Without dead ends: 7658 [2023-11-29 03:24:27,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:24:27,345 INFO L413 NwaCegarLoop]: 665 mSDtfsCounter, 296 mSDsluCounter, 2552 mSDsCounter, 0 mSdLazyCounter, 1184 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 3217 SdHoareTripleChecker+Invalid, 1224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-29 03:24:27,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 3217 Invalid, 1224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1184 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-29 03:24:27,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7658 states. [2023-11-29 03:24:28,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7658 to 7226. [2023-11-29 03:24:28,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7226 states, 6538 states have (on average 1.5185071887427348) internal successors, (9928), 6692 states have internal predecessors, (9928), 438 states have call successors, (438), 149 states have call predecessors, (438), 155 states have return successors, (462), 384 states have call predecessors, (462), 384 states have call successors, (462) [2023-11-29 03:24:28,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7226 states to 7226 states and 10828 transitions. [2023-11-29 03:24:28,130 INFO L78 Accepts]: Start accepts. Automaton has 7226 states and 10828 transitions. Word has length 190 [2023-11-29 03:24:28,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:24:28,130 INFO L495 AbstractCegarLoop]: Abstraction has 7226 states and 10828 transitions. [2023-11-29 03:24:28,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:24:28,130 INFO L276 IsEmpty]: Start isEmpty. Operand 7226 states and 10828 transitions. [2023-11-29 03:24:28,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-11-29 03:24:28,132 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:24:28,132 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:28,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2023-11-29 03:24:28,133 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting bb_verror_msgErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:24:28,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:28,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1109192250, now seen corresponding path program 2 times [2023-11-29 03:24:28,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:24:28,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034504619] [2023-11-29 03:24:28,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:28,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:24:28,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:28,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:24:28,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:28,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:24:28,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:29,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-11-29 03:24:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:29,335 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2023-11-29 03:24:29,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:24:29,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034504619] [2023-11-29 03:24:29,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034504619] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:24:29,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248601538] [2023-11-29 03:24:29,335 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 03:24:29,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:24:29,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:24:29,336 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:24:29,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2023-11-29 03:24:31,605 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 03:24:31,605 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 03:24:31,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 2290 conjuncts, 97 conjunts are in the unsatisfiable core [2023-11-29 03:24:31,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:24:31,651 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-11-29 03:24:31,652 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 19 treesize of output 16 [2023-11-29 03:24:32,159 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-11-29 03:24:32,159 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 19 treesize of output 16 [2023-11-29 03:24:32,286 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-11-29 03:24:32,287 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 19 treesize of output 16 [2023-11-29 03:24:32,367 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 03:24:32,394 INFO L349 Elim1Store]: treesize reduction 21, result has 38.2 percent of original size [2023-11-29 03:24:32,395 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2023-11-29 03:24:32,415 INFO L349 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2023-11-29 03:24:32,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2023-11-29 03:24:32,494 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 03:24:32,570 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 03:24:32,627 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 03:24:32,694 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 03:24:32,771 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 03:24:32,823 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 03:24:32,897 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 03:24:32,960 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 03:24:33,038 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 03:24:33,098 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 03:24:35,104 INFO L349 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2023-11-29 03:24:35,104 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 1 case distinctions, treesize of input 20 treesize of output 27 [2023-11-29 03:24:35,129 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 03:24:35,531 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2023-11-29 03:24:35,531 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:24:38,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248601538] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:24:38,325 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:24:38,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 19] total 34 [2023-11-29 03:24:38,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166544260] [2023-11-29 03:24:38,326 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:24:38,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-11-29 03:24:38,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:24:38,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-11-29 03:24:38,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=290, Invalid=2058, Unknown=4, NotChecked=0, Total=2352 [2023-11-29 03:24:38,328 INFO L87 Difference]: Start difference. First operand 7226 states and 10828 transitions. Second operand has 34 states, 33 states have (on average 6.787878787878788) internal successors, (224), 32 states have internal predecessors, (224), 4 states have call successors, (7), 6 states have call predecessors, (7), 5 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2023-11-29 03:24:42,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:24:46,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:24:51,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:24:55,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:25:03,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:25:07,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:25:21,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:25:24,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:25:24,279 INFO L93 Difference]: Finished difference Result 15516 states and 23267 transitions. [2023-11-29 03:25:24,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-11-29 03:25:24,280 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 6.787878787878788) internal successors, (224), 32 states have internal predecessors, (224), 4 states have call successors, (7), 6 states have call predecessors, (7), 5 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 191 [2023-11-29 03:25:24,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:25:24,288 INFO L225 Difference]: With dead ends: 15516 [2023-11-29 03:25:24,289 INFO L226 Difference]: Without dead ends: 8626 [2023-11-29 03:25:24,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1442 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=938, Invalid=7068, Unknown=4, NotChecked=0, Total=8010 [2023-11-29 03:25:24,294 INFO L413 NwaCegarLoop]: 1025 mSDtfsCounter, 2404 mSDsluCounter, 12840 mSDsCounter, 0 mSdLazyCounter, 4886 mSolverCounterSat, 271 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2435 SdHoareTripleChecker+Valid, 13865 SdHoareTripleChecker+Invalid, 5164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 4886 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:25:24,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2435 Valid, 13865 Invalid, 5164 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [271 Valid, 4886 Invalid, 7 Unknown, 0 Unchecked, 41.4s Time] [2023-11-29 03:25:24,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8626 states. [2023-11-29 03:25:25,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8626 to 8189. [2023-11-29 03:25:25,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8189 states, 7411 states have (on average 1.5159897449736877) internal successors, (11235), 7571 states have internal predecessors, (11235), 503 states have call successors, (503), 173 states have call predecessors, (503), 180 states have return successors, (534), 444 states have call predecessors, (534), 443 states have call successors, (534) [2023-11-29 03:25:25,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8189 states to 8189 states and 12272 transitions. [2023-11-29 03:25:25,174 INFO L78 Accepts]: Start accepts. Automaton has 8189 states and 12272 transitions. Word has length 191 [2023-11-29 03:25:25,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:25:25,174 INFO L495 AbstractCegarLoop]: Abstraction has 8189 states and 12272 transitions. [2023-11-29 03:25:25,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 6.787878787878788) internal successors, (224), 32 states have internal predecessors, (224), 4 states have call successors, (7), 6 states have call predecessors, (7), 5 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2023-11-29 03:25:25,174 INFO L276 IsEmpty]: Start isEmpty. Operand 8189 states and 12272 transitions. [2023-11-29 03:25:25,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-11-29 03:25:25,176 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:25:25,176 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:25:25,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2023-11-29 03:25:25,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:25:25,377 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting bb_verror_msgErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:25:25,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:25:25,377 INFO L85 PathProgramCache]: Analyzing trace with hash 2123117825, now seen corresponding path program 1 times [2023-11-29 03:25:25,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:25:25,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995289378] [2023-11-29 03:25:25,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:25:25,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:25:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:26,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:25:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:26,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:25:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:26,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-29 03:25:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:26,844 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2023-11-29 03:25:26,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:25:26,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995289378] [2023-11-29 03:25:26,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995289378] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:25:26,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851746173] [2023-11-29 03:25:26,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:25:26,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:25:26,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:25:26,846 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:25:26,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2023-11-29 03:25:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:28,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 2285 conjuncts, 62 conjunts are in the unsatisfiable core [2023-11-29 03:25:28,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:25:28,829 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 8 treesize of output 1 [2023-11-29 03:25:29,905 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2023-11-29 03:25:29,906 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:25:29,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [851746173] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:25:29,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:25:29,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [17] total 24 [2023-11-29 03:25:29,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121687728] [2023-11-29 03:25:29,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:25:29,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 03:25:29,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:25:29,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 03:25:29,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=493, Unknown=0, NotChecked=0, Total=552 [2023-11-29 03:25:29,907 INFO L87 Difference]: Start difference. First operand 8189 states and 12272 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 9 states have internal predecessors, (114), 3 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 03:25:32,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:25:32,176 INFO L93 Difference]: Finished difference Result 10839 states and 16069 transitions. [2023-11-29 03:25:32,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 03:25:32,177 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 9 states have internal predecessors, (114), 3 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 192 [2023-11-29 03:25:32,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:25:32,187 INFO L225 Difference]: With dead ends: 10839 [2023-11-29 03:25:32,188 INFO L226 Difference]: Without dead ends: 8323 [2023-11-29 03:25:32,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 188 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=114, Invalid=878, Unknown=0, NotChecked=0, Total=992 [2023-11-29 03:25:32,192 INFO L413 NwaCegarLoop]: 854 mSDtfsCounter, 1757 mSDsluCounter, 4604 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1772 SdHoareTripleChecker+Valid, 5458 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:25:32,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1772 Valid, 5458 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 03:25:32,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8323 states. [2023-11-29 03:25:33,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8323 to 8230. [2023-11-29 03:25:33,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8230 states, 7451 states have (on average 1.5140249630922025) internal successors, (11281), 7611 states have internal predecessors, (11281), 503 states have call successors, (503), 174 states have call predecessors, (503), 181 states have return successors, (534), 444 states have call predecessors, (534), 443 states have call successors, (534) [2023-11-29 03:25:33,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8230 states to 8230 states and 12318 transitions. [2023-11-29 03:25:33,108 INFO L78 Accepts]: Start accepts. Automaton has 8230 states and 12318 transitions. Word has length 192 [2023-11-29 03:25:33,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:25:33,108 INFO L495 AbstractCegarLoop]: Abstraction has 8230 states and 12318 transitions. [2023-11-29 03:25:33,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 9 states have internal predecessors, (114), 3 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 03:25:33,109 INFO L276 IsEmpty]: Start isEmpty. Operand 8230 states and 12318 transitions. [2023-11-29 03:25:33,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-11-29 03:25:33,110 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:25:33,110 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:25:33,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2023-11-29 03:25:33,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:25:33,311 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting xmalloc_fgetlineErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:25:33,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:25:33,311 INFO L85 PathProgramCache]: Analyzing trace with hash 169895059, now seen corresponding path program 1 times [2023-11-29 03:25:33,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:25:33,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815158921] [2023-11-29 03:25:33,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:25:33,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:25:33,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:33,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:25:33,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:33,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:25:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:33,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-29 03:25:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:33,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-11-29 03:25:33,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:34,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:25:34,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:34,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-29 03:25:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:34,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:25:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:34,207 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2023-11-29 03:25:34,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:25:34,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815158921] [2023-11-29 03:25:34,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815158921] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:25:34,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780838707] [2023-11-29 03:25:34,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:25:34,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:25:34,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:25:34,208 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:25:34,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2023-11-29 03:25:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:36,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 2364 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-29 03:25:36,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:25:36,254 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2023-11-29 03:25:36,255 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:25:36,480 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2023-11-29 03:25:36,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [780838707] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:25:36,480 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:25:36,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 11] total 15 [2023-11-29 03:25:36,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021935813] [2023-11-29 03:25:36,481 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:25:36,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 03:25:36,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:25:36,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 03:25:36,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2023-11-29 03:25:36,482 INFO L87 Difference]: Start difference. First operand 8230 states and 12318 transitions. Second operand has 15 states, 12 states have (on average 10.666666666666666) internal successors, (128), 10 states have internal predecessors, (128), 4 states have call successors, (14), 4 states have call predecessors, (14), 5 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-11-29 03:25:42,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:25:42,852 INFO L93 Difference]: Finished difference Result 14359 states and 21746 transitions. [2023-11-29 03:25:42,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-29 03:25:42,853 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 10.666666666666666) internal successors, (128), 10 states have internal predecessors, (128), 4 states have call successors, (14), 4 states have call predecessors, (14), 5 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) Word has length 205 [2023-11-29 03:25:42,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:25:42,863 INFO L225 Difference]: With dead ends: 14359 [2023-11-29 03:25:42,863 INFO L226 Difference]: Without dead ends: 8363 [2023-11-29 03:25:42,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 419 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=118, Invalid=694, Unknown=0, NotChecked=0, Total=812 [2023-11-29 03:25:42,869 INFO L413 NwaCegarLoop]: 663 mSDtfsCounter, 258 mSDsluCounter, 6903 mSDsCounter, 0 mSdLazyCounter, 2734 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 7566 SdHoareTripleChecker+Invalid, 2805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 2734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-11-29 03:25:42,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 7566 Invalid, 2805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 2734 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-11-29 03:25:42,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8363 states. [2023-11-29 03:25:43,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8363 to 8328. [2023-11-29 03:25:43,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8328 states, 7507 states have (on average 1.510190488877048) internal successors, (11337), 7695 states have internal predecessors, (11337), 517 states have call successors, (517), 174 states have call predecessors, (517), 209 states have return successors, (576), 458 states have call predecessors, (576), 457 states have call successors, (576) [2023-11-29 03:25:43,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8328 states to 8328 states and 12430 transitions. [2023-11-29 03:25:43,777 INFO L78 Accepts]: Start accepts. Automaton has 8328 states and 12430 transitions. Word has length 205 [2023-11-29 03:25:43,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:25:43,777 INFO L495 AbstractCegarLoop]: Abstraction has 8328 states and 12430 transitions. [2023-11-29 03:25:43,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 10.666666666666666) internal successors, (128), 10 states have internal predecessors, (128), 4 states have call successors, (14), 4 states have call predecessors, (14), 5 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-11-29 03:25:43,777 INFO L276 IsEmpty]: Start isEmpty. Operand 8328 states and 12430 transitions. [2023-11-29 03:25:43,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-11-29 03:25:43,779 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:25:43,779 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:25:43,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2023-11-29 03:25:43,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83,40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:25:43,979 INFO L420 AbstractCegarLoop]: === Iteration 85 === Targeting xmalloc_fgetlineErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:25:43,980 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:25:43,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1627056300, now seen corresponding path program 1 times [2023-11-29 03:25:43,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:25:43,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283489850] [2023-11-29 03:25:43,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:25:43,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:25:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:44,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:25:44,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:44,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:25:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:45,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-29 03:25:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:45,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-11-29 03:25:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:45,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:25:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:45,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-29 03:25:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:45,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:25:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:45,523 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2023-11-29 03:25:45,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:25:45,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283489850] [2023-11-29 03:25:45,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283489850] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:25:45,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349250264] [2023-11-29 03:25:45,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:25:45,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:25:45,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:25:45,524 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:25:45,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2023-11-29 03:25:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:48,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 2378 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-29 03:25:48,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:25:48,936 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 15 treesize of output 1 [2023-11-29 03:25:49,337 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 15 treesize of output 7 [2023-11-29 03:25:49,405 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 03:25:49,406 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:25:49,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [349250264] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:25:49,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:25:49,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [18] total 23 [2023-11-29 03:25:49,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98621083] [2023-11-29 03:25:49,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:25:49,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:25:49,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:25:49,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:25:49,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2023-11-29 03:25:49,408 INFO L87 Difference]: Start difference. First operand 8328 states and 12430 transitions. Second operand has 7 states, 6 states have (on average 20.333333333333332) internal successors, (122), 7 states have internal predecessors, (122), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-11-29 03:25:53,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:25:57,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:26:01,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:26:05,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:26:09,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:26:13,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:26:18,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:26:22,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:26:26,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:26:30,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:26:34,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:26:38,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:26:43,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:26:47,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:26:51,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:26:56,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:26:56,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:26:56,437 INFO L93 Difference]: Finished difference Result 20711 states and 31426 transitions. [2023-11-29 03:26:56,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 03:26:56,437 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 20.333333333333332) internal successors, (122), 7 states have internal predecessors, (122), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 205 [2023-11-29 03:26:56,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:26:56,458 INFO L225 Difference]: With dead ends: 20711 [2023-11-29 03:26:56,458 INFO L226 Difference]: Without dead ends: 14554 [2023-11-29 03:26:56,467 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 210 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2023-11-29 03:26:56,467 INFO L413 NwaCegarLoop]: 1148 mSDtfsCounter, 619 mSDsluCounter, 5359 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 5 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 64.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 6507 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:26:56,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [620 Valid, 6507 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 395 Invalid, 16 Unknown, 0 Unchecked, 65.2s Time] [2023-11-29 03:26:56,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14554 states. [2023-11-29 03:26:57,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14554 to 14007. [2023-11-29 03:26:57,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14007 states, 12598 states have (on average 1.5280996983648198) internal successors, (19251), 12807 states have internal predecessors, (19251), 944 states have call successors, (944), 328 states have call predecessors, (944), 370 states have return successors, (1073), 871 states have call predecessors, (1073), 842 states have call successors, (1073) [2023-11-29 03:26:57,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14007 states to 14007 states and 21268 transitions. [2023-11-29 03:26:57,867 INFO L78 Accepts]: Start accepts. Automaton has 14007 states and 21268 transitions. Word has length 205 [2023-11-29 03:26:57,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:26:57,867 INFO L495 AbstractCegarLoop]: Abstraction has 14007 states and 21268 transitions. [2023-11-29 03:26:57,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 20.333333333333332) internal successors, (122), 7 states have internal predecessors, (122), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-11-29 03:26:57,867 INFO L276 IsEmpty]: Start isEmpty. Operand 14007 states and 21268 transitions. [2023-11-29 03:26:57,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-11-29 03:26:57,870 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:26:57,870 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 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, 1, 1, 1, 1, 1, 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 03:26:57,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2023-11-29 03:26:58,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84,41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:26:58,071 INFO L420 AbstractCegarLoop]: === Iteration 86 === Targeting bb_verror_msgErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:26:58,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:58,071 INFO L85 PathProgramCache]: Analyzing trace with hash -690638126, now seen corresponding path program 1 times [2023-11-29 03:26:58,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:58,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811537908] [2023-11-29 03:26:58,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:58,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:58,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:58,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:26:58,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:58,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:26:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:59,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-29 03:26:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:59,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:26:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:59,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-29 03:26:59,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:59,668 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 03:26:59,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:26:59,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811537908] [2023-11-29 03:26:59,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811537908] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:26:59,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643138464] [2023-11-29 03:26:59,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:59,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:26:59,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:26:59,670 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:26:59,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2023-11-29 03:27:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:15,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 2401 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-29 03:27:15,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:27:15,866 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 03:27:15,867 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:27:18,088 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 03:27:18,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1643138464] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:27:18,088 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:27:18,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 15, 15] total 43 [2023-11-29 03:27:18,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213035464] [2023-11-29 03:27:18,089 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:27:18,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2023-11-29 03:27:18,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:27:18,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2023-11-29 03:27:18,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=421, Invalid=1385, Unknown=0, NotChecked=0, Total=1806 [2023-11-29 03:27:18,090 INFO L87 Difference]: Start difference. First operand 14007 states and 21268 transitions. Second operand has 43 states, 40 states have (on average 4.45) internal successors, (178), 40 states have internal predecessors, (178), 2 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 03:27:59,727 WARN L293 SmtUtils]: Spent 17.25s on a formula simplification. DAG size of input: 114 DAG size of output: 102 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 03:28:13,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:28:13,828 INFO L93 Difference]: Finished difference Result 27767 states and 42432 transitions. [2023-11-29 03:28:13,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-11-29 03:28:13,829 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 40 states have (on average 4.45) internal successors, (178), 40 states have internal predecessors, (178), 2 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 207 [2023-11-29 03:28:13,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:28:13,850 INFO L225 Difference]: With dead ends: 27767 [2023-11-29 03:28:13,850 INFO L226 Difference]: Without dead ends: 14123 [2023-11-29 03:28:13,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 467 GetRequests, 397 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 695 ImplicationChecksByTransitivity, 43.6s TimeCoverageRelationStatistics Valid=1088, Invalid=4024, Unknown=0, NotChecked=0, Total=5112 [2023-11-29 03:28:13,865 INFO L413 NwaCegarLoop]: 662 mSDtfsCounter, 397 mSDsluCounter, 12858 mSDsCounter, 0 mSdLazyCounter, 4980 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 13520 SdHoareTripleChecker+Invalid, 5103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 4980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:28:13,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 13520 Invalid, 5103 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [123 Valid, 4980 Invalid, 0 Unknown, 0 Unchecked, 13.4s Time] [2023-11-29 03:28:13,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14123 states. [2023-11-29 03:28:15,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14123 to 14046. [2023-11-29 03:28:15,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14046 states, 12637 states have (on average 1.5264698900055393) internal successors, (19290), 12846 states have internal predecessors, (19290), 944 states have call successors, (944), 328 states have call predecessors, (944), 370 states have return successors, (1073), 871 states have call predecessors, (1073), 842 states have call successors, (1073) [2023-11-29 03:28:15,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14046 states to 14046 states and 21307 transitions. [2023-11-29 03:28:15,323 INFO L78 Accepts]: Start accepts. Automaton has 14046 states and 21307 transitions. Word has length 207 [2023-11-29 03:28:15,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:28:15,323 INFO L495 AbstractCegarLoop]: Abstraction has 14046 states and 21307 transitions. [2023-11-29 03:28:15,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 40 states have (on average 4.45) internal successors, (178), 40 states have internal predecessors, (178), 2 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 03:28:15,323 INFO L276 IsEmpty]: Start isEmpty. Operand 14046 states and 21307 transitions. [2023-11-29 03:28:15,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-11-29 03:28:15,325 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:28:15,325 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 23, 20, 20, 20, 10, 10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:28:15,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2023-11-29 03:28:15,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85,42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:28:15,526 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:28:15,526 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:15,526 INFO L85 PathProgramCache]: Analyzing trace with hash -74642163, now seen corresponding path program 4 times [2023-11-29 03:28:15,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:28:15,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565209619] [2023-11-29 03:28:15,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:15,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:28:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:16,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:28:16,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:16,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1866 backedges. 0 proven. 1104 refuted. 0 times theorem prover too weak. 762 trivial. 0 not checked. [2023-11-29 03:28:16,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:28:16,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565209619] [2023-11-29 03:28:16,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565209619] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:28:16,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127984053] [2023-11-29 03:28:16,900 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-29 03:28:16,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:28:16,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:28:16,901 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:28:16,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2023-11-29 03:28:18,940 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-29 03:28:18,940 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 03:28:18,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 1942 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-29 03:28:18,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:28:19,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1866 backedges. 0 proven. 1104 refuted. 0 times theorem prover too weak. 762 trivial. 0 not checked. [2023-11-29 03:28:19,220 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:28:20,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1866 backedges. 0 proven. 1104 refuted. 0 times theorem prover too weak. 762 trivial. 0 not checked. [2023-11-29 03:28:20,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127984053] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:28:20,875 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:28:20,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 50 [2023-11-29 03:28:20,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000732232] [2023-11-29 03:28:20,875 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:28:20,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2023-11-29 03:28:20,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:28:20,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2023-11-29 03:28:20,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1275, Invalid=1275, Unknown=0, NotChecked=0, Total=2550 [2023-11-29 03:28:20,877 INFO L87 Difference]: Start difference. First operand 14046 states and 21307 transitions. Second operand has 51 states, 50 states have (on average 4.42) internal successors, (221), 51 states have internal predecessors, (221), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:28:37,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:28:37,151 INFO L93 Difference]: Finished difference Result 51976 states and 78331 transitions. [2023-11-29 03:28:37,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-11-29 03:28:37,152 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 50 states have (on average 4.42) internal successors, (221), 51 states have internal predecessors, (221), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 210 [2023-11-29 03:28:37,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:28:37,225 INFO L225 Difference]: With dead ends: 51976 [2023-11-29 03:28:37,225 INFO L226 Difference]: Without dead ends: 51975 [2023-11-29 03:28:37,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1275, Invalid=1275, Unknown=0, NotChecked=0, Total=2550 [2023-11-29 03:28:37,233 INFO L413 NwaCegarLoop]: 848 mSDtfsCounter, 16860 mSDsluCounter, 15277 mSDsCounter, 0 mSdLazyCounter, 1289 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17049 SdHoareTripleChecker+Valid, 16125 SdHoareTripleChecker+Invalid, 1415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 1289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:28:37,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17049 Valid, 16125 Invalid, 1415 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [126 Valid, 1289 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-29 03:28:37,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51975 states. [2023-11-29 03:28:39,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51975 to 14146. [2023-11-29 03:28:39,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14146 states, 12737 states have (on average 1.5242992855460469) internal successors, (19415), 12946 states have internal predecessors, (19415), 944 states have call successors, (944), 328 states have call predecessors, (944), 370 states have return successors, (1073), 871 states have call predecessors, (1073), 842 states have call successors, (1073) [2023-11-29 03:28:39,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14146 states to 14146 states and 21432 transitions. [2023-11-29 03:28:39,178 INFO L78 Accepts]: Start accepts. Automaton has 14146 states and 21432 transitions. Word has length 210 [2023-11-29 03:28:39,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:28:39,178 INFO L495 AbstractCegarLoop]: Abstraction has 14146 states and 21432 transitions. [2023-11-29 03:28:39,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 50 states have (on average 4.42) internal successors, (221), 51 states have internal predecessors, (221), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:28:39,178 INFO L276 IsEmpty]: Start isEmpty. Operand 14146 states and 21432 transitions. [2023-11-29 03:28:39,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-11-29 03:28:39,180 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:28:39,181 INFO L195 NwaCegarLoop]: trace histogram [24, 10, 10, 10, 10, 10, 10, 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, 1, 1, 1, 1, 1, 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 03:28:39,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2023-11-29 03:28:39,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable86 [2023-11-29 03:28:39,381 INFO L420 AbstractCegarLoop]: === Iteration 88 === Targeting bb_verror_msgErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 03:28:39,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:39,382 INFO L85 PathProgramCache]: Analyzing trace with hash -2027686755, now seen corresponding path program 2 times [2023-11-29 03:28:39,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:28:39,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185180678] [2023-11-29 03:28:39,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:39,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:28:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:40,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:28:40,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:40,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:28:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:42,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-29 03:28:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:43,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:28:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:43,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-11-29 03:28:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:43,111 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 03:28:43,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:28:43,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185180678] [2023-11-29 03:28:43,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185180678] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:28:43,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014801775] [2023-11-29 03:28:43,112 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 03:28:43,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:28:43,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:28:43,113 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:28:43,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad804c7-2faf-4d40-9c61-25671ae65ad6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2023-11-29 03:29:08,224 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 03:29:08,224 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 03:29:08,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 2596 conjuncts, 54 conjunts are in the unsatisfiable core [2023-11-29 03:29:08,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:29:10,548 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 03:29:10,548 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:29:20,703 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 03:29:20,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014801775] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:29:20,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:29:20,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 28, 28] total 82 [2023-11-29 03:29:20,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004855423] [2023-11-29 03:29:20,704 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:29:20,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2023-11-29 03:29:20,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:29:20,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2023-11-29 03:29:20,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1515, Invalid=5127, Unknown=0, NotChecked=0, Total=6642 [2023-11-29 03:29:20,707 INFO L87 Difference]: Start difference. First operand 14146 states and 21432 transitions. Second operand has 82 states, 79 states have (on average 2.7468354430379747) internal successors, (217), 79 states have internal predecessors, (217), 2 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 03:29:33,442 WARN L293 SmtUtils]: Spent 5.52s on a formula simplification. DAG size of input: 194 DAG size of output: 57 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 03:29:44,876 WARN L293 SmtUtils]: Spent 9.21s on a formula simplification. DAG size of input: 188 DAG size of output: 57 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 03:30:08,437 WARN L293 SmtUtils]: Spent 16.01s on a formula simplification. DAG size of input: 182 DAG size of output: 57 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)