./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-54.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/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_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-54.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b6271bd0a37fb423024bed9c2fae52ec13738291896513228b822cdc7afdfa85 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:16:49,383 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:16:49,447 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 06:16:49,452 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:16:49,452 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:16:49,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:16:49,478 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:16:49,479 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:16:49,479 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:16:49,480 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:16:49,480 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:16:49,481 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:16:49,482 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:16:49,482 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:16:49,483 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:16:49,483 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:16:49,484 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:16:49,484 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:16:49,485 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:16:49,485 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:16:49,486 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:16:49,486 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:16:49,487 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:16:49,487 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:16:49,488 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:16:49,488 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:16:49,489 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:16:49,489 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:16:49,490 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:16:49,490 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:16:49,490 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:16:49,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:16:49,491 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:16:49,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:16:49,491 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:16:49,492 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:16:49,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:16:49,492 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:16:49,492 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:16:49,492 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:16:49,493 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:16:49,493 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:16:49,493 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_c513ea88-946d-458f-b5bb-f31efd45a6b1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6271bd0a37fb423024bed9c2fae52ec13738291896513228b822cdc7afdfa85 [2023-11-29 06:16:49,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:16:49,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:16:49,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:16:49,746 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:16:49,746 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:16:49,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-54.i [2023-11-29 06:16:52,472 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:16:52,662 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:16:52,663 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-54.i [2023-11-29 06:16:52,674 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/data/fe3d1cb3b/0156ae98a1814238993379790870005a/FLAG5de6e6641 [2023-11-29 06:16:52,688 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/data/fe3d1cb3b/0156ae98a1814238993379790870005a [2023-11-29 06:16:52,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:16:52,692 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:16:52,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:16:52,694 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:16:52,699 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:16:52,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:16:52" (1/1) ... [2023-11-29 06:16:52,701 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3deef37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:52, skipping insertion in model container [2023-11-29 06:16:52,701 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:16:52" (1/1) ... [2023-11-29 06:16:52,729 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:16:52,875 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-54.i[916,929] [2023-11-29 06:16:52,928 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:16:52,940 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:16:52,952 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-54.i[916,929] [2023-11-29 06:16:52,988 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:16:53,008 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:16:53,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:53 WrapperNode [2023-11-29 06:16:53,009 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:16:53,010 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:16:53,010 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:16:53,010 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:16:53,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:53" (1/1) ... [2023-11-29 06:16:53,031 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:53" (1/1) ... [2023-11-29 06:16:53,066 INFO L138 Inliner]: procedures = 29, calls = 139, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 406 [2023-11-29 06:16:53,067 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:16:53,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:16:53,068 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:16:53,068 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:16:53,079 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:53" (1/1) ... [2023-11-29 06:16:53,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:53" (1/1) ... [2023-11-29 06:16:53,084 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:53" (1/1) ... [2023-11-29 06:16:53,103 INFO L175 MemorySlicer]: Split 115 memory accesses to 2 slices as follows [2, 113]. 98 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 12]. The 16 writes are split as follows [0, 16]. [2023-11-29 06:16:53,104 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:53" (1/1) ... [2023-11-29 06:16:53,104 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:53" (1/1) ... [2023-11-29 06:16:53,122 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:53" (1/1) ... [2023-11-29 06:16:53,128 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:53" (1/1) ... [2023-11-29 06:16:53,130 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:53" (1/1) ... [2023-11-29 06:16:53,133 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:53" (1/1) ... [2023-11-29 06:16:53,138 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:16:53,140 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:16:53,140 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:16:53,140 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:16:53,141 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:53" (1/1) ... [2023-11-29 06:16:53,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:16:53,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:16:53,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:16:53,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:16:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:16:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 06:16:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 06:16:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-29 06:16:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-29 06:16:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-29 06:16:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-29 06:16:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 06:16:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 06:16:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-29 06:16:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-29 06:16:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 06:16:53,202 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 06:16:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:16:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 06:16:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:16:53,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:16:53,309 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:16:53,311 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:16:53,748 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:16:53,792 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:16:53,792 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 06:16:53,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:16:53 BoogieIcfgContainer [2023-11-29 06:16:53,793 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:16:53,796 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:16:53,796 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:16:53,799 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:16:53,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:16:52" (1/3) ... [2023-11-29 06:16:53,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a7046db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:16:53, skipping insertion in model container [2023-11-29 06:16:53,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:53" (2/3) ... [2023-11-29 06:16:53,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a7046db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:16:53, skipping insertion in model container [2023-11-29 06:16:53,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:16:53" (3/3) ... [2023-11-29 06:16:53,802 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-54.i [2023-11-29 06:16:53,822 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:16:53,822 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 06:16:53,875 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:16:53,882 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;@110fdf2e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:16:53,882 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 06:16:53,887 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 88 states have (on average 1.4886363636363635) internal successors, (131), 89 states have internal predecessors, (131), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 06:16:53,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-29 06:16:53,901 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:16:53,901 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:16:53,902 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:16:53,907 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:16:53,907 INFO L85 PathProgramCache]: Analyzing trace with hash -491998411, now seen corresponding path program 1 times [2023-11-29 06:16:53,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:16:53,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694611660] [2023-11-29 06:16:53,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:16:53,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:16:54,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:16:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 06:16:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 06:16:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 06:16:54,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 06:16:54,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 06:16:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 06:16:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 06:16:54,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 06:16:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 06:16:54,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 06:16:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 06:16:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,229 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 06:16:54,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:16:54,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694611660] [2023-11-29 06:16:54,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694611660] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:16:54,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:16:54,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:16:54,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766733471] [2023-11-29 06:16:54,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:16:54,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 06:16:54,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:16:54,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 06:16:54,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:16:54,272 INFO L87 Difference]: Start difference. First operand has 103 states, 88 states have (on average 1.4886363636363635) internal successors, (131), 89 states have internal predecessors, (131), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 06:16:54,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:16:54,317 INFO L93 Difference]: Finished difference Result 203 states and 320 transitions. [2023-11-29 06:16:54,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 06:16:54,319 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 100 [2023-11-29 06:16:54,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:16:54,328 INFO L225 Difference]: With dead ends: 203 [2023-11-29 06:16:54,328 INFO L226 Difference]: Without dead ends: 101 [2023-11-29 06:16:54,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:16:54,336 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:16:54,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 146 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:16:54,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-11-29 06:16:54,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2023-11-29 06:16:54,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 87 states have (on average 1.4482758620689655) internal successors, (126), 87 states have internal predecessors, (126), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 06:16:54,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 150 transitions. [2023-11-29 06:16:54,384 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 150 transitions. Word has length 100 [2023-11-29 06:16:54,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:16:54,385 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 150 transitions. [2023-11-29 06:16:54,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 06:16:54,385 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 150 transitions. [2023-11-29 06:16:54,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-29 06:16:54,390 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:16:54,391 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:16:54,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 06:16:54,391 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:16:54,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:16:54,392 INFO L85 PathProgramCache]: Analyzing trace with hash 98750945, now seen corresponding path program 1 times [2023-11-29 06:16:54,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:16:54,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780917064] [2023-11-29 06:16:54,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:16:54,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:16:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:16:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 06:16:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 06:16:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 06:16:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 06:16:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 06:16:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 06:16:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 06:16:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 06:16:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 06:16:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 06:16:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 06:16:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,714 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 06:16:54,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:16:54,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780917064] [2023-11-29 06:16:54,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780917064] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:16:54,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:16:54,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:16:54,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899047952] [2023-11-29 06:16:54,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:16:54,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:16:54,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:16:54,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:16:54,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:16:54,718 INFO L87 Difference]: Start difference. First operand 101 states and 150 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:16:54,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:16:54,785 INFO L93 Difference]: Finished difference Result 232 states and 346 transitions. [2023-11-29 06:16:54,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:16:54,785 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 100 [2023-11-29 06:16:54,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:16:54,788 INFO L225 Difference]: With dead ends: 232 [2023-11-29 06:16:54,788 INFO L226 Difference]: Without dead ends: 132 [2023-11-29 06:16:54,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 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 06:16:54,791 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 76 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:16:54,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 464 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:16:54,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2023-11-29 06:16:54,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 103. [2023-11-29 06:16:54,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 89 states have (on average 1.4382022471910112) internal successors, (128), 89 states have internal predecessors, (128), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 06:16:54,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 152 transitions. [2023-11-29 06:16:54,806 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 152 transitions. Word has length 100 [2023-11-29 06:16:54,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:16:54,808 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 152 transitions. [2023-11-29 06:16:54,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:16:54,809 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 152 transitions. [2023-11-29 06:16:54,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-29 06:16:54,811 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:16:54,811 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:16:54,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 06:16:54,812 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:16:54,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:16:54,812 INFO L85 PathProgramCache]: Analyzing trace with hash 952924422, now seen corresponding path program 1 times [2023-11-29 06:16:54,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:16:54,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508320850] [2023-11-29 06:16:54,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:16:54,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:16:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:16:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 06:16:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 06:16:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 06:16:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 06:16:54,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 06:16:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 06:16:54,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 06:16:54,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 06:16:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 06:16:54,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 06:16:54,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 06:16:54,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:54,993 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 06:16:54,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:16:54,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508320850] [2023-11-29 06:16:54,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508320850] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:16:54,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:16:54,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:16:54,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801197606] [2023-11-29 06:16:54,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:16:54,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:16:54,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:16:54,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:16:54,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:16:54,996 INFO L87 Difference]: Start difference. First operand 103 states and 152 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:16:55,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:16:55,042 INFO L93 Difference]: Finished difference Result 213 states and 314 transitions. [2023-11-29 06:16:55,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:16:55,043 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 102 [2023-11-29 06:16:55,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:16:55,045 INFO L225 Difference]: With dead ends: 213 [2023-11-29 06:16:55,045 INFO L226 Difference]: Without dead ends: 111 [2023-11-29 06:16:55,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 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 06:16:55,047 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 12 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:16:55,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 426 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:16:55,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-29 06:16:55,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 105. [2023-11-29 06:16:55,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 91 states have (on average 1.4285714285714286) internal successors, (130), 91 states have internal predecessors, (130), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 06:16:55,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 154 transitions. [2023-11-29 06:16:55,058 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 154 transitions. Word has length 102 [2023-11-29 06:16:55,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:16:55,059 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 154 transitions. [2023-11-29 06:16:55,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:16:55,059 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 154 transitions. [2023-11-29 06:16:55,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-29 06:16:55,061 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:16:55,061 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:16:55,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 06:16:55,062 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:16:55,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:16:55,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1010182724, now seen corresponding path program 1 times [2023-11-29 06:16:55,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:16:55,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042838951] [2023-11-29 06:16:55,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:16:55,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:16:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:55,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:16:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:55,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 06:16:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:55,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 06:16:55,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:55,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 06:16:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:55,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 06:16:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:55,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 06:16:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:55,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 06:16:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:55,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 06:16:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:55,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 06:16:55,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:55,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 06:16:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:55,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 06:16:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:55,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 06:16:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:55,211 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 06:16:55,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:16:55,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042838951] [2023-11-29 06:16:55,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042838951] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:16:55,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:16:55,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:16:55,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811257971] [2023-11-29 06:16:55,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:16:55,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:16:55,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:16:55,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:16:55,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:16:55,214 INFO L87 Difference]: Start difference. First operand 105 states and 154 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:16:55,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:16:55,253 INFO L93 Difference]: Finished difference Result 213 states and 312 transitions. [2023-11-29 06:16:55,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:16:55,254 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 102 [2023-11-29 06:16:55,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:16:55,256 INFO L225 Difference]: With dead ends: 213 [2023-11-29 06:16:55,256 INFO L226 Difference]: Without dead ends: 109 [2023-11-29 06:16:55,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 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 06:16:55,258 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 3 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:16:55,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 427 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:16:55,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-11-29 06:16:55,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 107. [2023-11-29 06:16:55,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 93 states have (on average 1.4193548387096775) internal successors, (132), 93 states have internal predecessors, (132), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 06:16:55,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 156 transitions. [2023-11-29 06:16:55,269 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 156 transitions. Word has length 102 [2023-11-29 06:16:55,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:16:55,270 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 156 transitions. [2023-11-29 06:16:55,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:16:55,271 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 156 transitions. [2023-11-29 06:16:55,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-29 06:16:55,272 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:16:55,273 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:16:55,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 06:16:55,273 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:16:55,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:16:55,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1010242306, now seen corresponding path program 1 times [2023-11-29 06:16:55,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:16:55,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197264314] [2023-11-29 06:16:55,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:16:55,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:16:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:55,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:16:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:55,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 06:16:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:55,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 06:16:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:55,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 06:16:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:55,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 06:16:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:55,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 06:16:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:55,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 06:16:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:55,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 06:16:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:55,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 06:16:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:55,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 06:16:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:55,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 06:16:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:55,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 06:16:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:55,988 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 06:16:55,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:16:55,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197264314] [2023-11-29 06:16:55,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197264314] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:16:55,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:16:55,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:16:55,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623822948] [2023-11-29 06:16:55,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:16:55,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:16:55,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:16:55,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:16:55,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:16:55,991 INFO L87 Difference]: Start difference. First operand 107 states and 156 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:16:56,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:16:56,271 INFO L93 Difference]: Finished difference Result 319 states and 466 transitions. [2023-11-29 06:16:56,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:16:56,272 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 102 [2023-11-29 06:16:56,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:16:56,274 INFO L225 Difference]: With dead ends: 319 [2023-11-29 06:16:56,274 INFO L226 Difference]: Without dead ends: 213 [2023-11-29 06:16:56,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 33 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 06:16:56,276 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 108 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:16:56,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 227 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:16:56,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2023-11-29 06:16:56,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 209. [2023-11-29 06:16:56,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 182 states have (on average 1.4175824175824177) internal successors, (258), 182 states have internal predecessors, (258), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 06:16:56,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 306 transitions. [2023-11-29 06:16:56,301 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 306 transitions. Word has length 102 [2023-11-29 06:16:56,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:16:56,302 INFO L495 AbstractCegarLoop]: Abstraction has 209 states and 306 transitions. [2023-11-29 06:16:56,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:16:56,302 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 306 transitions. [2023-11-29 06:16:56,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-29 06:16:56,304 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:16:56,304 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:16:56,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 06:16:56,305 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:16:56,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:16:56,305 INFO L85 PathProgramCache]: Analyzing trace with hash -983902400, now seen corresponding path program 1 times [2023-11-29 06:16:56,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:16:56,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081422607] [2023-11-29 06:16:56,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:16:56,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:16:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:56,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:16:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:56,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 06:16:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:56,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 06:16:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:56,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 06:16:56,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:56,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 06:16:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:56,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 06:16:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:56,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 06:16:56,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:56,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 06:16:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:56,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 06:16:56,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:56,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 06:16:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:56,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 06:16:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:56,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 06:16:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:56,796 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 06:16:56,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:16:56,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081422607] [2023-11-29 06:16:56,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081422607] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:16:56,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:16:56,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:16:56,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399882924] [2023-11-29 06:16:56,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:16:56,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:16:56,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:16:56,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:16:56,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:16:56,799 INFO L87 Difference]: Start difference. First operand 209 states and 306 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:16:57,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:16:57,182 INFO L93 Difference]: Finished difference Result 545 states and 797 transitions. [2023-11-29 06:16:57,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:16:57,183 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 102 [2023-11-29 06:16:57,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:16:57,186 INFO L225 Difference]: With dead ends: 545 [2023-11-29 06:16:57,186 INFO L226 Difference]: Without dead ends: 337 [2023-11-29 06:16:57,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 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 06:16:57,188 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 211 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:16:57,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 321 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 06:16:57,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2023-11-29 06:16:57,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 226. [2023-11-29 06:16:57,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 199 states have (on average 1.4271356783919598) internal successors, (284), 199 states have internal predecessors, (284), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 06:16:57,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 332 transitions. [2023-11-29 06:16:57,206 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 332 transitions. Word has length 102 [2023-11-29 06:16:57,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:16:57,206 INFO L495 AbstractCegarLoop]: Abstraction has 226 states and 332 transitions. [2023-11-29 06:16:57,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:16:57,207 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 332 transitions. [2023-11-29 06:16:57,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-29 06:16:57,208 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:16:57,208 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:16:57,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 06:16:57,209 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:16:57,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:16:57,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1743526207, now seen corresponding path program 1 times [2023-11-29 06:16:57,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:16:57,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688310033] [2023-11-29 06:16:57,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:16:57,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:16:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:57,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:16:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:57,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 06:16:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:57,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 06:16:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:57,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 06:16:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:57,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 06:16:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:57,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 06:16:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:57,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 06:16:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:57,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 06:16:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:57,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 06:16:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:57,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 06:16:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:57,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 06:16:57,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:57,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 06:16:57,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:57,841 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 06:16:57,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:16:57,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688310033] [2023-11-29 06:16:57,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688310033] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:16:57,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:16:57,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:16:57,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941302595] [2023-11-29 06:16:57,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:16:57,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:16:57,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:16:57,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:16:57,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:16:57,844 INFO L87 Difference]: Start difference. First operand 226 states and 332 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:16:58,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:16:58,170 INFO L93 Difference]: Finished difference Result 455 states and 667 transitions. [2023-11-29 06:16:58,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:16:58,170 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 103 [2023-11-29 06:16:58,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:16:58,172 INFO L225 Difference]: With dead ends: 455 [2023-11-29 06:16:58,173 INFO L226 Difference]: Without dead ends: 230 [2023-11-29 06:16:58,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:16:58,174 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 138 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:16:58,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 301 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 06:16:58,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2023-11-29 06:16:58,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 226. [2023-11-29 06:16:58,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 199 states have (on average 1.4221105527638191) internal successors, (283), 199 states have internal predecessors, (283), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 06:16:58,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 331 transitions. [2023-11-29 06:16:58,186 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 331 transitions. Word has length 103 [2023-11-29 06:16:58,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:16:58,186 INFO L495 AbstractCegarLoop]: Abstraction has 226 states and 331 transitions. [2023-11-29 06:16:58,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:16:58,187 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 331 transitions. [2023-11-29 06:16:58,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-29 06:16:58,188 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:16:58,188 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:16:58,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 06:16:58,188 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:16:58,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:16:58,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1485360769, now seen corresponding path program 1 times [2023-11-29 06:16:58,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:16:58,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725734199] [2023-11-29 06:16:58,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:16:58,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:16:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:58,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:16:58,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:58,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 06:16:58,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:58,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 06:16:58,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:58,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 06:16:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:58,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 06:16:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:58,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 06:16:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:58,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 06:16:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:58,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 06:16:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:58,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 06:16:58,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:58,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 06:16:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:58,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 06:16:58,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:58,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 06:16:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:58,995 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 06:16:58,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:16:58,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725734199] [2023-11-29 06:16:58,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725734199] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:16:58,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:16:58,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:16:58,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647517304] [2023-11-29 06:16:58,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:16:58,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:16:58,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:16:58,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:16:58,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:16:58,997 INFO L87 Difference]: Start difference. First operand 226 states and 331 transitions. Second operand has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 06:16:59,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:16:59,441 INFO L93 Difference]: Finished difference Result 615 states and 886 transitions. [2023-11-29 06:16:59,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 06:16:59,442 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 103 [2023-11-29 06:16:59,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:16:59,445 INFO L225 Difference]: With dead ends: 615 [2023-11-29 06:16:59,445 INFO L226 Difference]: Without dead ends: 390 [2023-11-29 06:16:59,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-11-29 06:16:59,446 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 228 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:16:59,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 571 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 06:16:59,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2023-11-29 06:16:59,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 348. [2023-11-29 06:16:59,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 307 states have (on average 1.3843648208469055) internal successors, (425), 309 states have internal predecessors, (425), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-29 06:16:59,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 497 transitions. [2023-11-29 06:16:59,487 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 497 transitions. Word has length 103 [2023-11-29 06:16:59,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:16:59,488 INFO L495 AbstractCegarLoop]: Abstraction has 348 states and 497 transitions. [2023-11-29 06:16:59,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 06:16:59,488 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 497 transitions. [2023-11-29 06:16:59,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-29 06:16:59,490 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:16:59,490 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:16:59,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 06:16:59,491 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:16:59,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:16:59,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1257208201, now seen corresponding path program 1 times [2023-11-29 06:16:59,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:16:59,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158185810] [2023-11-29 06:16:59,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:16:59,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:16:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:00,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:17:00,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:00,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 06:17:00,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:00,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 06:17:00,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:00,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 06:17:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:00,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 06:17:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:00,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 06:17:00,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:00,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 06:17:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:00,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 06:17:00,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:00,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 06:17:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:00,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 06:17:00,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:00,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 06:17:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:00,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 06:17:00,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:00,405 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 06:17:00,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:17:00,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158185810] [2023-11-29 06:17:00,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158185810] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:17:00,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:17:00,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:17:00,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105910347] [2023-11-29 06:17:00,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:17:00,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:17:00,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:17:00,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:17:00,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:17:00,407 INFO L87 Difference]: Start difference. First operand 348 states and 497 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 06:17:01,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:17:01,003 INFO L93 Difference]: Finished difference Result 797 states and 1142 transitions. [2023-11-29 06:17:01,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 06:17:01,003 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 104 [2023-11-29 06:17:01,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:17:01,009 INFO L225 Difference]: With dead ends: 797 [2023-11-29 06:17:01,009 INFO L226 Difference]: Without dead ends: 606 [2023-11-29 06:17:01,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:17:01,010 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 200 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 06:17:01,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 637 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 06:17:01,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2023-11-29 06:17:01,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 374. [2023-11-29 06:17:01,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 333 states have (on average 1.3963963963963963) internal successors, (465), 335 states have internal predecessors, (465), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-29 06:17:01,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 537 transitions. [2023-11-29 06:17:01,040 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 537 transitions. Word has length 104 [2023-11-29 06:17:01,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:17:01,040 INFO L495 AbstractCegarLoop]: Abstraction has 374 states and 537 transitions. [2023-11-29 06:17:01,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 06:17:01,040 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 537 transitions. [2023-11-29 06:17:01,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-29 06:17:01,042 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:17:01,042 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:17:01,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 06:17:01,042 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:17:01,043 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:17:01,043 INFO L85 PathProgramCache]: Analyzing trace with hash 670402187, now seen corresponding path program 1 times [2023-11-29 06:17:01,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:17:01,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893371064] [2023-11-29 06:17:01,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:17:01,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:17:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:01,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:17:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:01,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 06:17:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:01,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 06:17:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:01,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 06:17:01,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:01,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 06:17:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:01,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 06:17:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:01,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 06:17:01,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:01,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 06:17:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:01,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 06:17:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:01,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 06:17:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:01,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 06:17:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:01,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 06:17:01,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:01,406 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 06:17:01,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:17:01,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893371064] [2023-11-29 06:17:01,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893371064] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:17:01,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:17:01,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 06:17:01,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46313930] [2023-11-29 06:17:01,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:17:01,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:17:01,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:17:01,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:17:01,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:17:01,408 INFO L87 Difference]: Start difference. First operand 374 states and 537 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:17:01,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:17:01,955 INFO L93 Difference]: Finished difference Result 896 states and 1287 transitions. [2023-11-29 06:17:01,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 06:17:01,955 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 104 [2023-11-29 06:17:01,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:17:01,959 INFO L225 Difference]: With dead ends: 896 [2023-11-29 06:17:01,959 INFO L226 Difference]: Without dead ends: 679 [2023-11-29 06:17:01,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2023-11-29 06:17:01,961 INFO L413 NwaCegarLoop]: 237 mSDtfsCounter, 250 mSDsluCounter, 1135 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 1372 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 06:17:01,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 1372 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 612 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 06:17:01,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2023-11-29 06:17:01,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 376. [2023-11-29 06:17:01,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 335 states have (on average 1.3940298507462687) internal successors, (467), 337 states have internal predecessors, (467), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-29 06:17:01,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 539 transitions. [2023-11-29 06:17:01,988 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 539 transitions. Word has length 104 [2023-11-29 06:17:01,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:17:01,988 INFO L495 AbstractCegarLoop]: Abstraction has 376 states and 539 transitions. [2023-11-29 06:17:01,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:17:01,988 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 539 transitions. [2023-11-29 06:17:01,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-29 06:17:01,990 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:17:01,990 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:17:01,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 06:17:01,990 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:17:01,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:17:01,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1232320761, now seen corresponding path program 1 times [2023-11-29 06:17:01,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:17:01,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612885983] [2023-11-29 06:17:01,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:17:01,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:17:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:02,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:17:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:02,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 06:17:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:02,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 06:17:02,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:02,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 06:17:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:02,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 06:17:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:02,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 06:17:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:02,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 06:17:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:02,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 06:17:02,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:02,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 06:17:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:02,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 06:17:02,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:02,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 06:17:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:02,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 06:17:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:02,697 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 06:17:02,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:17:02,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612885983] [2023-11-29 06:17:02,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612885983] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:17:02,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:17:02,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 06:17:02,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147558583] [2023-11-29 06:17:02,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:17:02,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 06:17:02,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:17:02,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 06:17:02,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:17:02,700 INFO L87 Difference]: Start difference. First operand 376 states and 539 transitions. Second operand has 10 states, 10 states have (on average 4.7) internal successors, (47), 10 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:17:03,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:17:03,838 INFO L93 Difference]: Finished difference Result 973 states and 1394 transitions. [2023-11-29 06:17:03,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-29 06:17:03,839 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.7) internal successors, (47), 10 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 104 [2023-11-29 06:17:03,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:17:03,844 INFO L225 Difference]: With dead ends: 973 [2023-11-29 06:17:03,844 INFO L226 Difference]: Without dead ends: 754 [2023-11-29 06:17:03,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2023-11-29 06:17:03,846 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 367 mSDsluCounter, 1338 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 367 SdHoareTripleChecker+Valid, 1580 SdHoareTripleChecker+Invalid, 1264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 06:17:03,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [367 Valid, 1580 Invalid, 1264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1248 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 06:17:03,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2023-11-29 06:17:03,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 534. [2023-11-29 06:17:03,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 473 states have (on average 1.3826638477801267) internal successors, (654), 476 states have internal predecessors, (654), 54 states have call successors, (54), 6 states have call predecessors, (54), 6 states have return successors, (54), 51 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 06:17:03,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 762 transitions. [2023-11-29 06:17:03,889 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 762 transitions. Word has length 104 [2023-11-29 06:17:03,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:17:03,889 INFO L495 AbstractCegarLoop]: Abstraction has 534 states and 762 transitions. [2023-11-29 06:17:03,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.7) internal successors, (47), 10 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:17:03,890 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 762 transitions. [2023-11-29 06:17:03,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-29 06:17:03,891 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:17:03,892 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:17:03,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 06:17:03,892 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:17:03,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:17:03,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1819126775, now seen corresponding path program 1 times [2023-11-29 06:17:03,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:17:03,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656961072] [2023-11-29 06:17:03,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:17:03,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:17:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:04,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:17:04,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:04,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 06:17:04,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:04,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 06:17:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:04,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 06:17:04,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:04,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 06:17:04,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:04,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 06:17:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:04,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 06:17:04,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:04,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 06:17:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:04,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 06:17:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:04,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 06:17:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:04,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 06:17:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:04,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 06:17:04,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:04,685 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 06:17:04,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:17:04,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656961072] [2023-11-29 06:17:04,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656961072] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:17:04,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:17:04,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:17:04,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386326875] [2023-11-29 06:17:04,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:17:04,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:17:04,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:17:04,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:17:04,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:17:04,687 INFO L87 Difference]: Start difference. First operand 534 states and 762 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 06:17:05,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:17:05,102 INFO L93 Difference]: Finished difference Result 1059 states and 1510 transitions. [2023-11-29 06:17:05,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:17:05,102 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 104 [2023-11-29 06:17:05,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:17:05,107 INFO L225 Difference]: With dead ends: 1059 [2023-11-29 06:17:05,107 INFO L226 Difference]: Without dead ends: 682 [2023-11-29 06:17:05,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 37 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 06:17:05,109 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 121 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 06:17:05,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 641 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 06:17:05,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2023-11-29 06:17:05,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 528. [2023-11-29 06:17:05,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 467 states have (on average 1.3790149892933619) internal successors, (644), 470 states have internal predecessors, (644), 54 states have call successors, (54), 6 states have call predecessors, (54), 6 states have return successors, (54), 51 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 06:17:05,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 752 transitions. [2023-11-29 06:17:05,145 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 752 transitions. Word has length 104 [2023-11-29 06:17:05,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:17:05,145 INFO L495 AbstractCegarLoop]: Abstraction has 528 states and 752 transitions. [2023-11-29 06:17:05,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 06:17:05,145 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 752 transitions. [2023-11-29 06:17:05,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-29 06:17:05,147 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:17:05,147 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:17:05,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 06:17:05,147 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:17:05,148 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:17:05,148 INFO L85 PathProgramCache]: Analyzing trace with hash 78160493, now seen corresponding path program 1 times [2023-11-29 06:17:05,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:17:05,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058996395] [2023-11-29 06:17:05,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:17:05,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:17:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:05,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:17:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:05,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 06:17:05,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:05,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 06:17:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:05,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 06:17:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:05,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 06:17:05,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:05,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 06:17:05,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:05,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 06:17:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:05,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 06:17:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:05,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 06:17:05,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:05,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 06:17:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:05,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 06:17:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:05,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 06:17:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:05,462 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 06:17:05,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:17:05,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058996395] [2023-11-29 06:17:05,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058996395] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:17:05,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:17:05,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:17:05,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749652327] [2023-11-29 06:17:05,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:17:05,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:17:05,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:17:05,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:17:05,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:17:05,464 INFO L87 Difference]: Start difference. First operand 528 states and 752 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:17:05,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:17:05,712 INFO L93 Difference]: Finished difference Result 589 states and 830 transitions. [2023-11-29 06:17:05,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:17:05,713 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 105 [2023-11-29 06:17:05,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:17:05,716 INFO L225 Difference]: With dead ends: 589 [2023-11-29 06:17:05,717 INFO L226 Difference]: Without dead ends: 587 [2023-11-29 06:17:05,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 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 06:17:05,718 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 111 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:17:05,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 405 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:17:05,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2023-11-29 06:17:05,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 586. [2023-11-29 06:17:05,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 511 states have (on average 1.3581213307240705) internal successors, (694), 515 states have internal predecessors, (694), 64 states have call successors, (64), 10 states have call predecessors, (64), 10 states have return successors, (64), 60 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-29 06:17:05,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 822 transitions. [2023-11-29 06:17:05,751 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 822 transitions. Word has length 105 [2023-11-29 06:17:05,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:17:05,752 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 822 transitions. [2023-11-29 06:17:05,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:17:05,752 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 822 transitions. [2023-11-29 06:17:05,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-29 06:17:05,754 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:17:05,754 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:17:05,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 06:17:05,755 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:17:05,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:17:05,755 INFO L85 PathProgramCache]: Analyzing trace with hash 78220075, now seen corresponding path program 1 times [2023-11-29 06:17:05,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:17:05,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020228820] [2023-11-29 06:17:05,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:17:05,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:17:05,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:17:05,799 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:17:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:17:05,873 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:17:05,873 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 06:17:05,874 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 06:17:05,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 06:17:05,878 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:17:05,880 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 06:17:05,911 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-29 06:17:05,912 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-29 06:17:05,912 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-29 06:17:05,913 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-29 06:17:05,913 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-29 06:17:05,913 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-29 06:17:05,914 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-29 06:17:05,914 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-29 06:17:05,915 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-29 06:17:05,915 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-29 06:17:05,915 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-29 06:17:05,915 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-29 06:17:05,915 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated [2023-11-29 06:17:05,916 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-29 06:17:05,916 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-29 06:17:05,916 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-29 06:17:05,916 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated [2023-11-29 06:17:05,917 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-29 06:17:05,917 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-29 06:17:05,917 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-29 06:17:05,917 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-29 06:17:05,918 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-29 06:17:05,918 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-29 06:17:05,918 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-11-29 06:17:05,918 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-29 06:17:05,918 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-29 06:17:05,919 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-29 06:17:05,919 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-29 06:17:05,919 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-29 06:17:05,919 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-11-29 06:17:05,920 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-29 06:17:05,920 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-29 06:17:05,921 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite26 could not be translated [2023-11-29 06:17:05,921 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated [2023-11-29 06:17:05,921 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem24 could not be translated [2023-11-29 06:17:05,922 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated [2023-11-29 06:17:05,922 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-29 06:17:05,922 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated [2023-11-29 06:17:05,922 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-29 06:17:05,923 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated [2023-11-29 06:17:05,923 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated [2023-11-29 06:17:05,923 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-29 06:17:05,923 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated [2023-11-29 06:17:05,923 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-29 06:17:05,924 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-29 06:17:05,924 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-29 06:17:05,924 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-29 06:17:05,924 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite99 could not be translated [2023-11-29 06:17:05,924 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated [2023-11-29 06:17:05,924 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated [2023-11-29 06:17:05,924 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-29 06:17:05,924 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated [2023-11-29 06:17:05,925 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-29 06:17:05,925 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-29 06:17:05,925 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-29 06:17:05,925 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-29 06:17:05,925 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-29 06:17:05,925 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated [2023-11-29 06:17:05,925 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-29 06:17:05,925 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-29 06:17:05,926 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-29 06:17:05,926 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite99 could not be translated [2023-11-29 06:17:05,926 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated [2023-11-29 06:17:05,926 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-29 06:17:05,926 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-29 06:17:05,926 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated [2023-11-29 06:17:05,926 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-29 06:17:05,926 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-29 06:17:05,926 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite99 could not be translated [2023-11-29 06:17:05,927 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated [2023-11-29 06:17:05,927 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated [2023-11-29 06:17:05,927 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-29 06:17:05,927 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated [2023-11-29 06:17:05,927 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-29 06:17:05,927 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short120 could not be translated [2023-11-29 06:17:05,927 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-29 06:17:05,927 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-29 06:17:05,927 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-29 06:17:05,928 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-29 06:17:05,928 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated [2023-11-29 06:17:05,928 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-29 06:17:05,928 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated [2023-11-29 06:17:05,928 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-29 06:17:05,928 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-29 06:17:05,928 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite99 could not be translated [2023-11-29 06:17:05,928 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite119 could not be translated [2023-11-29 06:17:05,928 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated [2023-11-29 06:17:05,928 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-29 06:17:05,928 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short120 could not be translated [2023-11-29 06:17:05,929 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-29 06:17:05,929 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-29 06:17:05,929 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-29 06:17:05,929 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-29 06:17:05,929 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-29 06:17:05,929 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated [2023-11-29 06:17:05,929 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-29 06:17:05,929 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite119 could not be translated [2023-11-29 06:17:05,929 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-29 06:17:05,929 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated [2023-11-29 06:17:05,929 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-29 06:17:05,930 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-29 06:17:05,930 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated [2023-11-29 06:17:05,930 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite99 could not be translated [2023-11-29 06:17:05,930 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short120 could not be translated [2023-11-29 06:17:05,930 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-29 06:17:05,930 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-29 06:17:05,930 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite119 could not be translated [2023-11-29 06:17:05,930 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite99 could not be translated [2023-11-29 06:17:05,930 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-29 06:17:05,930 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-29 06:17:05,930 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-29 06:17:05,931 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short120 could not be translated [2023-11-29 06:17:05,931 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-29 06:17:05,931 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated [2023-11-29 06:17:05,931 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short123 could not be translated [2023-11-29 06:17:05,931 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated [2023-11-29 06:17:05,931 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated [2023-11-29 06:17:05,931 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-29 06:17:05,931 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated [2023-11-29 06:17:05,931 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem122 could not be translated [2023-11-29 06:17:05,932 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite119 could not be translated [2023-11-29 06:17:05,932 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-29 06:17:05,932 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated [2023-11-29 06:17:05,932 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-29 06:17:05,932 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-29 06:17:05,932 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem121 could not be translated [2023-11-29 06:17:05,932 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-29 06:17:05,932 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-29 06:17:05,933 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite99 could not be translated [2023-11-29 06:17:05,933 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated [2023-11-29 06:17:05,933 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-29 06:17:05,933 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short120 could not be translated [2023-11-29 06:17:05,933 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-29 06:17:05,933 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-29 06:17:05,934 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated [2023-11-29 06:17:05,934 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite119 could not be translated [2023-11-29 06:17:05,934 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite99 could not be translated [2023-11-29 06:17:05,934 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-29 06:17:05,934 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-29 06:17:05,934 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated [2023-11-29 06:17:05,935 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated [2023-11-29 06:17:05,935 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short123 could not be translated [2023-11-29 06:17:05,935 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem121 could not be translated [2023-11-29 06:17:05,935 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-29 06:17:05,935 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem122 could not be translated [2023-11-29 06:17:05,935 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short126 could not be translated [2023-11-29 06:17:05,935 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short120 could not be translated [2023-11-29 06:17:05,935 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-29 06:17:05,935 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-29 06:17:05,935 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-29 06:17:05,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:17:05 BoogieIcfgContainer [2023-11-29 06:17:05,953 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 06:17:05,954 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:17:05,954 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:17:05,954 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:17:05,954 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:16:53" (3/4) ... [2023-11-29 06:17:05,956 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 06:17:05,956 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:17:05,957 INFO L158 Benchmark]: Toolchain (without parser) took 13264.85ms. Allocated memory was 138.4MB in the beginning and 383.8MB in the end (delta: 245.4MB). Free memory was 98.3MB in the beginning and 290.2MB in the end (delta: -191.9MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2023-11-29 06:17:05,957 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 138.4MB. Free memory is still 110.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:17:05,957 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.29ms. Allocated memory is still 138.4MB. Free memory was 98.3MB in the beginning and 83.0MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 06:17:05,958 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.17ms. Allocated memory is still 138.4MB. Free memory was 83.0MB in the beginning and 79.1MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 06:17:05,958 INFO L158 Benchmark]: Boogie Preprocessor took 71.24ms. Allocated memory is still 138.4MB. Free memory was 79.1MB in the beginning and 74.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 06:17:05,958 INFO L158 Benchmark]: RCFGBuilder took 653.42ms. Allocated memory was 138.4MB in the beginning and 190.8MB in the end (delta: 52.4MB). Free memory was 74.9MB in the beginning and 156.2MB in the end (delta: -81.3MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2023-11-29 06:17:05,959 INFO L158 Benchmark]: TraceAbstraction took 12157.23ms. Allocated memory was 190.8MB in the beginning and 383.8MB in the end (delta: 192.9MB). Free memory was 155.1MB in the beginning and 290.2MB in the end (delta: -135.0MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2023-11-29 06:17:05,959 INFO L158 Benchmark]: Witness Printer took 2.98ms. Allocated memory is still 383.8MB. Free memory is still 290.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:17:05,961 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 138.4MB. Free memory is still 110.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.29ms. Allocated memory is still 138.4MB. Free memory was 98.3MB in the beginning and 83.0MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.17ms. Allocated memory is still 138.4MB. Free memory was 83.0MB in the beginning and 79.1MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.24ms. Allocated memory is still 138.4MB. Free memory was 79.1MB in the beginning and 74.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 653.42ms. Allocated memory was 138.4MB in the beginning and 190.8MB in the end (delta: 52.4MB). Free memory was 74.9MB in the beginning and 156.2MB in the end (delta: -81.3MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. * TraceAbstraction took 12157.23ms. Allocated memory was 190.8MB in the beginning and 383.8MB in the end (delta: 192.9MB). Free memory was 155.1MB in the beginning and 290.2MB in the end (delta: -135.0MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Witness Printer took 2.98ms. Allocated memory is still 383.8MB. Free memory is still 290.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite26 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem24 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short120 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite119 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short120 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite119 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short120 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite119 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short120 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short123 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem122 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite119 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem121 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short120 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite119 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short123 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem121 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem122 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short126 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short120 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryFLOATComparisonOperation at line 109. Possible FailurePath: [L36] unsigned char isInitial = 0; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { 16, 10, 0, 1, 0, 0, 9.75, 5.5, 4.1, 9.8, 25, 2 }; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { 16, 10, 0, 1, 0, 0, 9.75, 5.5, 4.1, 9.8, 25, 2 }; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { 16, 10, 0, 1, 0, 0, 9.75, 5.5, 4.1, 9.8, 25, 2 }; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { 16, 10, 0, 1, 0, 0, 9.75, 5.5, 4.1, 9.8, 25, 2 }; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { 16, 10, 0, 1, 0, 0, 9.75, 5.5, 4.1, 9.8, 25, 2 }; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { 16, 10, 0, 1, 0, 0, 9.75, 5.5, 4.1, 9.8, 25, 2 }; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { 16, 10, 0, 1, 0, 0, 9.75, 5.5, 4.1, 9.8, 25, 2 }; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { 16, 10, 0, 1, 0, 0, 9.75, 5.5, 4.1, 9.8, 25, 2 }; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { 16, 10, 0, 1, 0, 0, 9.75, 5.5, 4.1, 9.8, 25, 2 }; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { 16, 10, 0, 1, 0, 0, 9.75, 5.5, 4.1, 9.8, 25, 2 }; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { 16, 10, 0, 1, 0, 0, 9.75, 5.5, 4.1, 9.8, 25, 2 }; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { 16, 10, 0, 1, 0, 0, 9.75, 5.5, 4.1, 9.8, 25, 2 }; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { 16, 10, 0, 1, 0, 0, 9.75, 5.5, 4.1, 9.8, 25, 2 }; [L113] isInitial = 1 [L114] FCALL initially() [L115] COND TRUE 1 [L116] FCALL updateLastVariables() [L117] CALL updateVariables() [L86] WrapperStruct00.var_1_3 = __VERIFIER_nondet_uchar() [L87] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L87] CALL assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L87] RET assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L88] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L88] CALL assume_abort_if_not(WrapperStruct00.var_1_3 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L88] RET assume_abort_if_not(WrapperStruct00.var_1_3 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1] [L89] WrapperStruct00.var_1_6 = __VERIFIER_nondet_uchar() [L90] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L90] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L90] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L91] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L91] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L91] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L92] WrapperStruct00.var_1_9 = __VERIFIER_nondet_uchar() [L93] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L93] RET assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L94] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_9 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L94] RET assume_abort_if_not(WrapperStruct00.var_1_9 <= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L95] WrapperStruct00.var_1_10 = __VERIFIER_nondet_uchar() [L96] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_10 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L96] RET assume_abort_if_not(WrapperStruct00.var_1_10 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L97] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_10 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L97] RET assume_abort_if_not(WrapperStruct00.var_1_10 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L98] WrapperStruct00.var_1_12 = __VERIFIER_nondet_double() [L99] EXPR WrapperStruct00.var_1_12 [L99] EXPR WrapperStruct00.var_1_12 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L99] EXPR WrapperStruct00.var_1_12 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F [L99] EXPR WrapperStruct00.var_1_12 [L99] EXPR WrapperStruct00.var_1_12 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L99] EXPR (WrapperStruct00.var_1_12 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L99] EXPR (WrapperStruct00.var_1_12 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L99] CALL assume_abort_if_not((WrapperStruct00.var_1_12 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L99] RET assume_abort_if_not((WrapperStruct00.var_1_12 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L100] WrapperStruct00.var_1_13 = __VERIFIER_nondet_double() [L101] EXPR WrapperStruct00.var_1_13 [L101] EXPR WrapperStruct00.var_1_13 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L101] EXPR WrapperStruct00.var_1_13 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F [L101] EXPR WrapperStruct00.var_1_13 [L101] EXPR WrapperStruct00.var_1_13 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L101] EXPR (WrapperStruct00.var_1_13 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L101] EXPR (WrapperStruct00.var_1_13 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L101] CALL assume_abort_if_not((WrapperStruct00.var_1_13 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L101] RET assume_abort_if_not((WrapperStruct00.var_1_13 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L102] WrapperStruct00.var_1_16 = __VERIFIER_nondet_char() [L103] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L103] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= -127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L103] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= -127) VAL [WrapperStruct00={4:0}, isInitial=1] [L104] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L104] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1] [L117] RET updateVariables() [L118] CALL step() [L54] EXPR WrapperStruct00.var_1_12 [L54] WrapperStruct00.var_1_14 = WrapperStruct00.var_1_12 [L55] EXPR WrapperStruct00.var_1_16 [L55] WrapperStruct00.var_1_15 = WrapperStruct00.var_1_16 [L56] signed long int stepLocal_0 = -4; [L57] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L57] COND FALSE !(stepLocal_0 >= WrapperStruct00.var_1_15) [L60] EXPR WrapperStruct00.var_1_3 [L60] unsigned char stepLocal_2 = WrapperStruct00.var_1_3; [L61] WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1] [L61] COND FALSE !(WrapperStruct00.var_1_9) [L70] EXPR WrapperStruct00.var_1_1 VAL [WrapperStruct00={4:0}, isInitial=1] [L70] EXPR ((10) > (WrapperStruct00.var_1_1)) ? (10) : (WrapperStruct00.var_1_1) [L70] EXPR WrapperStruct00.var_1_1 [L70] EXPR ((10) > (WrapperStruct00.var_1_1)) ? (10) : (WrapperStruct00.var_1_1) VAL [WrapperStruct00={4:0}, isInitial=1, stepLocal_0=-4, stepLocal_2=7] [L70] signed long int stepLocal_1 = (((10) > (WrapperStruct00.var_1_1)) ? (10) : (WrapperStruct00.var_1_1)); [L71] EXPR WrapperStruct00.var_1_1 VAL [WrapperStruct00={4:0}, isInitial=1] [L71] COND FALSE !((8 * WrapperStruct00.var_1_1) == stepLocal_1) [L82] EXPR WrapperStruct00.var_1_10 [L82] WrapperStruct00.var_1_4 = WrapperStruct00.var_1_10 [L118] RET step() [L119] CALL, EXPR property() [L109] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L109] EXPR (-4 >= WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((WrapperStruct00.var_1_3) < (((((1) < 0 ) ? -(1) : (1))))) ? (WrapperStruct00.var_1_3) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1 [L109] EXPR (-4 >= WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((WrapperStruct00.var_1_3) < (((((1) < 0 ) ? -(1) : (1))))) ? (WrapperStruct00.var_1_3) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1 VAL [WrapperStruct00={4:0}, isInitial=1] [L109] EXPR ((-4 >= WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((WrapperStruct00.var_1_3) < (((((1) < 0 ) ? -(1) : (1))))) ? (WrapperStruct00.var_1_3) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1) && (((8 * WrapperStruct00.var_1_1) == ((((10) > (WrapperStruct00.var_1_1)) ? (10) : (WrapperStruct00.var_1_1)))) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_4 == ((unsigned char) ((WrapperStruct00.var_1_11 < WrapperStruct00.var_1_14) && WrapperStruct00.var_1_9))) : ((WrapperStruct00.var_1_14 >= ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))) ? (WrapperStruct00.var_1_4 == ((unsigned char) (! WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_4 == ((unsigned char) 0)))) : (WrapperStruct00.var_1_4 == ((unsigned char) WrapperStruct00.var_1_10))) VAL [WrapperStruct00={4:0}, isInitial=1] [L109] EXPR ((-4 >= WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((WrapperStruct00.var_1_3) < (((((1) < 0 ) ? -(1) : (1))))) ? (WrapperStruct00.var_1_3) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1) && (((8 * WrapperStruct00.var_1_1) == ((((10) > (WrapperStruct00.var_1_1)) ? (10) : (WrapperStruct00.var_1_1)))) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_4 == ((unsigned char) ((WrapperStruct00.var_1_11 < WrapperStruct00.var_1_14) && WrapperStruct00.var_1_9))) : ((WrapperStruct00.var_1_14 >= ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))) ? (WrapperStruct00.var_1_4 == ((unsigned char) (! WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_4 == ((unsigned char) 0)))) : (WrapperStruct00.var_1_4 == ((unsigned char) WrapperStruct00.var_1_10))) [L109] EXPR WrapperStruct00.var_1_1 [L109] EXPR WrapperStruct00.var_1_1 VAL [WrapperStruct00={4:0}, isInitial=1] [L109] EXPR ((10) > (WrapperStruct00.var_1_1)) ? (10) : (WrapperStruct00.var_1_1) [L109] EXPR WrapperStruct00.var_1_1 [L109] EXPR ((10) > (WrapperStruct00.var_1_1)) ? (10) : (WrapperStruct00.var_1_1) VAL [WrapperStruct00={4:0}, isInitial=1] [L109] EXPR ((8 * WrapperStruct00.var_1_1) == ((((10) > (WrapperStruct00.var_1_1)) ? (10) : (WrapperStruct00.var_1_1)))) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_4 == ((unsigned char) ((WrapperStruct00.var_1_11 < WrapperStruct00.var_1_14) && WrapperStruct00.var_1_9))) : ((WrapperStruct00.var_1_14 >= ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))) ? (WrapperStruct00.var_1_4 == ((unsigned char) (! WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_4 == ((unsigned char) 0)))) : (WrapperStruct00.var_1_4 == ((unsigned char) WrapperStruct00.var_1_10)) [L109] EXPR WrapperStruct00.var_1_4 [L109] EXPR WrapperStruct00.var_1_10 [L109] EXPR ((8 * WrapperStruct00.var_1_1) == ((((10) > (WrapperStruct00.var_1_1)) ? (10) : (WrapperStruct00.var_1_1)))) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_4 == ((unsigned char) ((WrapperStruct00.var_1_11 < WrapperStruct00.var_1_14) && WrapperStruct00.var_1_9))) : ((WrapperStruct00.var_1_14 >= ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))) ? (WrapperStruct00.var_1_4 == ((unsigned char) (! WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_4 == ((unsigned char) 0)))) : (WrapperStruct00.var_1_4 == ((unsigned char) WrapperStruct00.var_1_10)) VAL [WrapperStruct00={4:0}, isInitial=1] [L109] EXPR ((-4 >= WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((WrapperStruct00.var_1_3) < (((((1) < 0 ) ? -(1) : (1))))) ? (WrapperStruct00.var_1_3) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1) && (((8 * WrapperStruct00.var_1_1) == ((((10) > (WrapperStruct00.var_1_1)) ? (10) : (WrapperStruct00.var_1_1)))) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_4 == ((unsigned char) ((WrapperStruct00.var_1_11 < WrapperStruct00.var_1_14) && WrapperStruct00.var_1_9))) : ((WrapperStruct00.var_1_14 >= ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))) ? (WrapperStruct00.var_1_4 == ((unsigned char) (! WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_4 == ((unsigned char) 0)))) : (WrapperStruct00.var_1_4 == ((unsigned char) WrapperStruct00.var_1_10))) VAL [WrapperStruct00={4:0}, isInitial=1] [L109] EXPR (((-4 >= WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((WrapperStruct00.var_1_3) < (((((1) < 0 ) ? -(1) : (1))))) ? (WrapperStruct00.var_1_3) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1) && (((8 * WrapperStruct00.var_1_1) == ((((10) > (WrapperStruct00.var_1_1)) ? (10) : (WrapperStruct00.var_1_1)))) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_4 == ((unsigned char) ((WrapperStruct00.var_1_11 < WrapperStruct00.var_1_14) && WrapperStruct00.var_1_9))) : ((WrapperStruct00.var_1_14 >= ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))) ? (WrapperStruct00.var_1_4 == ((unsigned char) (! WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_4 == ((unsigned char) 0)))) : (WrapperStruct00.var_1_4 == ((unsigned char) WrapperStruct00.var_1_10)))) && (WrapperStruct00.var_1_9 ? ((WrapperStruct00.var_1_3 > WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_11 == ((double) ((((((((WrapperStruct00.var_1_12) > (16.5)) ? (WrapperStruct00.var_1_12) : (16.5)))) > (WrapperStruct00.var_1_13)) ? (((((WrapperStruct00.var_1_12) > (16.5)) ? (WrapperStruct00.var_1_12) : (16.5)))) : (WrapperStruct00.var_1_13))))) : (WrapperStruct00.var_1_10 ? (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_12)) : 1)) : 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L109] EXPR (((-4 >= WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((WrapperStruct00.var_1_3) < (((((1) < 0 ) ? -(1) : (1))))) ? (WrapperStruct00.var_1_3) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1) && (((8 * WrapperStruct00.var_1_1) == ((((10) > (WrapperStruct00.var_1_1)) ? (10) : (WrapperStruct00.var_1_1)))) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_4 == ((unsigned char) ((WrapperStruct00.var_1_11 < WrapperStruct00.var_1_14) && WrapperStruct00.var_1_9))) : ((WrapperStruct00.var_1_14 >= ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))) ? (WrapperStruct00.var_1_4 == ((unsigned char) (! WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_4 == ((unsigned char) 0)))) : (WrapperStruct00.var_1_4 == ((unsigned char) WrapperStruct00.var_1_10)))) && (WrapperStruct00.var_1_9 ? ((WrapperStruct00.var_1_3 > WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_11 == ((double) ((((((((WrapperStruct00.var_1_12) > (16.5)) ? (WrapperStruct00.var_1_12) : (16.5)))) > (WrapperStruct00.var_1_13)) ? (((((WrapperStruct00.var_1_12) > (16.5)) ? (WrapperStruct00.var_1_12) : (16.5)))) : (WrapperStruct00.var_1_13))))) : (WrapperStruct00.var_1_10 ? (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_12)) : 1)) : 1) [L109] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1] [L109] EXPR WrapperStruct00.var_1_9 ? ((WrapperStruct00.var_1_3 > WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_11 == ((double) ((((((((WrapperStruct00.var_1_12) > (16.5)) ? (WrapperStruct00.var_1_12) : (16.5)))) > (WrapperStruct00.var_1_13)) ? (((((WrapperStruct00.var_1_12) > (16.5)) ? (WrapperStruct00.var_1_12) : (16.5)))) : (WrapperStruct00.var_1_13))))) : (WrapperStruct00.var_1_10 ? (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_12)) : 1)) : 1 [L109] EXPR WrapperStruct00.var_1_9 ? ((WrapperStruct00.var_1_3 > WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_11 == ((double) ((((((((WrapperStruct00.var_1_12) > (16.5)) ? (WrapperStruct00.var_1_12) : (16.5)))) > (WrapperStruct00.var_1_13)) ? (((((WrapperStruct00.var_1_12) > (16.5)) ? (WrapperStruct00.var_1_12) : (16.5)))) : (WrapperStruct00.var_1_13))))) : (WrapperStruct00.var_1_10 ? (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_12)) : 1)) : 1 VAL [WrapperStruct00={4:0}, isInitial=1] [L109] EXPR (((-4 >= WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((WrapperStruct00.var_1_3) < (((((1) < 0 ) ? -(1) : (1))))) ? (WrapperStruct00.var_1_3) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1) && (((8 * WrapperStruct00.var_1_1) == ((((10) > (WrapperStruct00.var_1_1)) ? (10) : (WrapperStruct00.var_1_1)))) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_4 == ((unsigned char) ((WrapperStruct00.var_1_11 < WrapperStruct00.var_1_14) && WrapperStruct00.var_1_9))) : ((WrapperStruct00.var_1_14 >= ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))) ? (WrapperStruct00.var_1_4 == ((unsigned char) (! WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_4 == ((unsigned char) 0)))) : (WrapperStruct00.var_1_4 == ((unsigned char) WrapperStruct00.var_1_10)))) && (WrapperStruct00.var_1_9 ? ((WrapperStruct00.var_1_3 > WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_11 == ((double) ((((((((WrapperStruct00.var_1_12) > (16.5)) ? (WrapperStruct00.var_1_12) : (16.5)))) > (WrapperStruct00.var_1_13)) ? (((((WrapperStruct00.var_1_12) > (16.5)) ? (WrapperStruct00.var_1_12) : (16.5)))) : (WrapperStruct00.var_1_13))))) : (WrapperStruct00.var_1_10 ? (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_12)) : 1)) : 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L109] EXPR ((((-4 >= WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((WrapperStruct00.var_1_3) < (((((1) < 0 ) ? -(1) : (1))))) ? (WrapperStruct00.var_1_3) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1) && (((8 * WrapperStruct00.var_1_1) == ((((10) > (WrapperStruct00.var_1_1)) ? (10) : (WrapperStruct00.var_1_1)))) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_4 == ((unsigned char) ((WrapperStruct00.var_1_11 < WrapperStruct00.var_1_14) && WrapperStruct00.var_1_9))) : ((WrapperStruct00.var_1_14 >= ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))) ? (WrapperStruct00.var_1_4 == ((unsigned char) (! WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_4 == ((unsigned char) 0)))) : (WrapperStruct00.var_1_4 == ((unsigned char) WrapperStruct00.var_1_10)))) && (WrapperStruct00.var_1_9 ? ((WrapperStruct00.var_1_3 > WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_11 == ((double) ((((((((WrapperStruct00.var_1_12) > (16.5)) ? (WrapperStruct00.var_1_12) : (16.5)))) > (WrapperStruct00.var_1_13)) ? (((((WrapperStruct00.var_1_12) > (16.5)) ? (WrapperStruct00.var_1_12) : (16.5)))) : (WrapperStruct00.var_1_13))))) : (WrapperStruct00.var_1_10 ? (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_12)) : 1)) : 1)) && (WrapperStruct00.var_1_14 == ((float) WrapperStruct00.var_1_12)) VAL [WrapperStruct00={4:0}, isInitial=1] [L109] EXPR ((((-4 >= WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((WrapperStruct00.var_1_3) < (((((1) < 0 ) ? -(1) : (1))))) ? (WrapperStruct00.var_1_3) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1) && (((8 * WrapperStruct00.var_1_1) == ((((10) > (WrapperStruct00.var_1_1)) ? (10) : (WrapperStruct00.var_1_1)))) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_4 == ((unsigned char) ((WrapperStruct00.var_1_11 < WrapperStruct00.var_1_14) && WrapperStruct00.var_1_9))) : ((WrapperStruct00.var_1_14 >= ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))) ? (WrapperStruct00.var_1_4 == ((unsigned char) (! WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_4 == ((unsigned char) 0)))) : (WrapperStruct00.var_1_4 == ((unsigned char) WrapperStruct00.var_1_10)))) && (WrapperStruct00.var_1_9 ? ((WrapperStruct00.var_1_3 > WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_11 == ((double) ((((((((WrapperStruct00.var_1_12) > (16.5)) ? (WrapperStruct00.var_1_12) : (16.5)))) > (WrapperStruct00.var_1_13)) ? (((((WrapperStruct00.var_1_12) > (16.5)) ? (WrapperStruct00.var_1_12) : (16.5)))) : (WrapperStruct00.var_1_13))))) : (WrapperStruct00.var_1_10 ? (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_12)) : 1)) : 1)) && (WrapperStruct00.var_1_14 == ((float) WrapperStruct00.var_1_12)) [L109] EXPR WrapperStruct00.var_1_14 [L109] EXPR WrapperStruct00.var_1_12 [L109] EXPR ((((-4 >= WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((WrapperStruct00.var_1_3) < (((((1) < 0 ) ? -(1) : (1))))) ? (WrapperStruct00.var_1_3) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1) && (((8 * WrapperStruct00.var_1_1) == ((((10) > (WrapperStruct00.var_1_1)) ? (10) : (WrapperStruct00.var_1_1)))) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_4 == ((unsigned char) ((WrapperStruct00.var_1_11 < WrapperStruct00.var_1_14) && WrapperStruct00.var_1_9))) : ((WrapperStruct00.var_1_14 >= ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))) ? (WrapperStruct00.var_1_4 == ((unsigned char) (! WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_4 == ((unsigned char) 0)))) : (WrapperStruct00.var_1_4 == ((unsigned char) WrapperStruct00.var_1_10)))) && (WrapperStruct00.var_1_9 ? ((WrapperStruct00.var_1_3 > WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_11 == ((double) ((((((((WrapperStruct00.var_1_12) > (16.5)) ? (WrapperStruct00.var_1_12) : (16.5)))) > (WrapperStruct00.var_1_13)) ? (((((WrapperStruct00.var_1_12) > (16.5)) ? (WrapperStruct00.var_1_12) : (16.5)))) : (WrapperStruct00.var_1_13))))) : (WrapperStruct00.var_1_10 ? (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_12)) : 1)) : 1)) && (WrapperStruct00.var_1_14 == ((float) WrapperStruct00.var_1_12)) VAL [WrapperStruct00={4:0}, isInitial=1] [L109] EXPR (((((-4 >= WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((WrapperStruct00.var_1_3) < (((((1) < 0 ) ? -(1) : (1))))) ? (WrapperStruct00.var_1_3) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1) && (((8 * WrapperStruct00.var_1_1) == ((((10) > (WrapperStruct00.var_1_1)) ? (10) : (WrapperStruct00.var_1_1)))) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_4 == ((unsigned char) ((WrapperStruct00.var_1_11 < WrapperStruct00.var_1_14) && WrapperStruct00.var_1_9))) : ((WrapperStruct00.var_1_14 >= ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))) ? (WrapperStruct00.var_1_4 == ((unsigned char) (! WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_4 == ((unsigned char) 0)))) : (WrapperStruct00.var_1_4 == ((unsigned char) WrapperStruct00.var_1_10)))) && (WrapperStruct00.var_1_9 ? ((WrapperStruct00.var_1_3 > WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_11 == ((double) ((((((((WrapperStruct00.var_1_12) > (16.5)) ? (WrapperStruct00.var_1_12) : (16.5)))) > (WrapperStruct00.var_1_13)) ? (((((WrapperStruct00.var_1_12) > (16.5)) ? (WrapperStruct00.var_1_12) : (16.5)))) : (WrapperStruct00.var_1_13))))) : (WrapperStruct00.var_1_10 ? (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_12)) : 1)) : 1)) && (WrapperStruct00.var_1_14 == ((float) WrapperStruct00.var_1_12))) && (WrapperStruct00.var_1_15 == ((signed char) WrapperStruct00.var_1_16)) VAL [WrapperStruct00={4:0}, isInitial=1] [L109] EXPR (((((-4 >= WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((WrapperStruct00.var_1_3) < (((((1) < 0 ) ? -(1) : (1))))) ? (WrapperStruct00.var_1_3) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1) && (((8 * WrapperStruct00.var_1_1) == ((((10) > (WrapperStruct00.var_1_1)) ? (10) : (WrapperStruct00.var_1_1)))) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_4 == ((unsigned char) ((WrapperStruct00.var_1_11 < WrapperStruct00.var_1_14) && WrapperStruct00.var_1_9))) : ((WrapperStruct00.var_1_14 >= ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))) ? (WrapperStruct00.var_1_4 == ((unsigned char) (! WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_4 == ((unsigned char) 0)))) : (WrapperStruct00.var_1_4 == ((unsigned char) WrapperStruct00.var_1_10)))) && (WrapperStruct00.var_1_9 ? ((WrapperStruct00.var_1_3 > WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_11 == ((double) ((((((((WrapperStruct00.var_1_12) > (16.5)) ? (WrapperStruct00.var_1_12) : (16.5)))) > (WrapperStruct00.var_1_13)) ? (((((WrapperStruct00.var_1_12) > (16.5)) ? (WrapperStruct00.var_1_12) : (16.5)))) : (WrapperStruct00.var_1_13))))) : (WrapperStruct00.var_1_10 ? (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_12)) : 1)) : 1)) && (WrapperStruct00.var_1_14 == ((float) WrapperStruct00.var_1_12))) && (WrapperStruct00.var_1_15 == ((signed char) WrapperStruct00.var_1_16)) VAL [WrapperStruct00={4:0}, isInitial=1] [L109-L110] return (((((-4 >= WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((WrapperStruct00.var_1_3) < (((((1) < 0 ) ? -(1) : (1))))) ? (WrapperStruct00.var_1_3) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1) && (((8 * WrapperStruct00.var_1_1) == ((((10) > (WrapperStruct00.var_1_1)) ? (10) : (WrapperStruct00.var_1_1)))) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_4 == ((unsigned char) ((WrapperStruct00.var_1_11 < WrapperStruct00.var_1_14) && WrapperStruct00.var_1_9))) : ((WrapperStruct00.var_1_14 >= ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))) ? (WrapperStruct00.var_1_4 == ((unsigned char) (! WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_4 == ((unsigned char) 0)))) : (WrapperStruct00.var_1_4 == ((unsigned char) WrapperStruct00.var_1_10)))) && (WrapperStruct00.var_1_9 ? ((WrapperStruct00.var_1_3 > WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_11 == ((double) ((((((((WrapperStruct00.var_1_12) > (16.5)) ? (WrapperStruct00.var_1_12) : (16.5)))) > (WrapperStruct00.var_1_13)) ? (((((WrapperStruct00.var_1_12) > (16.5)) ? (WrapperStruct00.var_1_12) : (16.5)))) : (WrapperStruct00.var_1_13))))) : (WrapperStruct00.var_1_10 ? (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_12)) : 1)) : 1)) && (WrapperStruct00.var_1_14 == ((float) WrapperStruct00.var_1_12))) && (WrapperStruct00.var_1_15 == ((signed char) WrapperStruct00.var_1_16)) ; [L119] RET, EXPR property() [L119] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 103 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.0s, OverallIterations: 14, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1828 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1825 mSDsluCounter, 7518 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5596 mSDsCounter, 92 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4261 IncrementalHoareTripleChecker+Invalid, 4353 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 92 mSolverCounterUnsat, 1922 mSDtfsCounter, 4261 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 478 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=586occurred in iteration=13, InterpolantAutomatonStates: 93, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 1108 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 1440 NumberOfCodeBlocks, 1440 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1322 ConstructedInterpolants, 0 QuantifiedInterpolants, 3110 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 3432/3432 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 06:17:05,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/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_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-54.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b6271bd0a37fb423024bed9c2fae52ec13738291896513228b822cdc7afdfa85 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:17:07,928 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:17:08,005 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 06:17:08,010 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:17:08,011 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:17:08,036 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:17:08,036 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:17:08,037 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:17:08,038 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:17:08,038 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:17:08,039 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:17:08,040 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:17:08,041 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:17:08,041 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:17:08,042 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:17:08,042 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:17:08,043 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:17:08,044 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:17:08,044 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:17:08,045 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:17:08,045 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:17:08,046 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:17:08,046 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:17:08,047 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 06:17:08,047 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 06:17:08,048 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 06:17:08,048 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:17:08,049 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:17:08,049 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:17:08,050 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:17:08,050 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:17:08,050 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:17:08,051 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:17:08,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:17:08,051 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:17:08,052 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:17:08,052 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:17:08,052 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 06:17:08,052 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 06:17:08,053 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:17:08,053 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:17:08,053 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:17:08,053 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:17:08,054 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:17:08,054 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 06:17:08,054 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_c513ea88-946d-458f-b5bb-f31efd45a6b1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6271bd0a37fb423024bed9c2fae52ec13738291896513228b822cdc7afdfa85 [2023-11-29 06:17:08,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:17:08,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:17:08,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:17:08,363 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:17:08,364 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:17:08,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-54.i [2023-11-29 06:17:11,128 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:17:11,302 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:17:11,303 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-54.i [2023-11-29 06:17:11,312 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/data/9c866aa75/bc5d5bfa895f4d4bab698d43567ef494/FLAG1b736f465 [2023-11-29 06:17:11,325 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/data/9c866aa75/bc5d5bfa895f4d4bab698d43567ef494 [2023-11-29 06:17:11,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:17:11,330 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:17:11,331 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:17:11,331 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:17:11,335 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:17:11,336 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:17:11" (1/1) ... [2023-11-29 06:17:11,336 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77be9fd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:11, skipping insertion in model container [2023-11-29 06:17:11,337 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:17:11" (1/1) ... [2023-11-29 06:17:11,362 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:17:11,513 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-54.i[916,929] [2023-11-29 06:17:11,566 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:17:11,581 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:17:11,594 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-54.i[916,929] [2023-11-29 06:17:11,635 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:17:11,661 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:17:11,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:11 WrapperNode [2023-11-29 06:17:11,661 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:17:11,663 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:17:11,663 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:17:11,663 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:17:11,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:11" (1/1) ... [2023-11-29 06:17:11,688 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:11" (1/1) ... [2023-11-29 06:17:11,730 INFO L138 Inliner]: procedures = 33, calls = 139, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 405 [2023-11-29 06:17:11,730 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:17:11,731 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:17:11,731 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:17:11,731 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:17:11,743 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:11" (1/1) ... [2023-11-29 06:17:11,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:11" (1/1) ... [2023-11-29 06:17:11,753 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:11" (1/1) ... [2023-11-29 06:17:11,773 INFO L175 MemorySlicer]: Split 115 memory accesses to 2 slices as follows [2, 113]. 98 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 12]. The 16 writes are split as follows [0, 16]. [2023-11-29 06:17:11,774 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:11" (1/1) ... [2023-11-29 06:17:11,774 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:11" (1/1) ... [2023-11-29 06:17:11,800 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:11" (1/1) ... [2023-11-29 06:17:11,806 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:11" (1/1) ... [2023-11-29 06:17:11,811 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:11" (1/1) ... [2023-11-29 06:17:11,814 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:11" (1/1) ... [2023-11-29 06:17:11,821 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:17:11,822 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:17:11,823 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:17:11,823 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:17:11,824 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:11" (1/1) ... [2023-11-29 06:17:11,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:17:11,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:17:11,854 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:17:11,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:17:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:17:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2023-11-29 06:17:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2023-11-29 06:17:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2023-11-29 06:17:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2023-11-29 06:17:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-11-29 06:17:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-11-29 06:17:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 06:17:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-29 06:17:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-11-29 06:17:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-11-29 06:17:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2023-11-29 06:17:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2023-11-29 06:17:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-11-29 06:17:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-11-29 06:17:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2023-11-29 06:17:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2023-11-29 06:17:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 06:17:11,908 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 06:17:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:17:11,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:17:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-11-29 06:17:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-11-29 06:17:12,037 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:17:12,039 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:17:13,293 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:17:13,339 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:17:13,340 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 06:17:13,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:17:13 BoogieIcfgContainer [2023-11-29 06:17:13,340 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:17:13,343 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:17:13,343 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:17:13,345 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:17:13,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:17:11" (1/3) ... [2023-11-29 06:17:13,346 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eba6980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:17:13, skipping insertion in model container [2023-11-29 06:17:13,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:11" (2/3) ... [2023-11-29 06:17:13,347 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eba6980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:17:13, skipping insertion in model container [2023-11-29 06:17:13,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:17:13" (3/3) ... [2023-11-29 06:17:13,348 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-54.i [2023-11-29 06:17:13,362 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:17:13,362 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 06:17:13,403 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:17:13,409 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;@3cd5f885, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:17:13,409 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 06:17:13,412 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 88 states have (on average 1.4886363636363635) internal successors, (131), 89 states have internal predecessors, (131), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 06:17:13,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-29 06:17:13,425 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:17:13,425 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:17:13,426 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:17:13,430 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:17:13,430 INFO L85 PathProgramCache]: Analyzing trace with hash -491998411, now seen corresponding path program 1 times [2023-11-29 06:17:13,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:17:13,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [229010541] [2023-11-29 06:17:13,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:17:13,443 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:17:13,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:17:13,444 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 06:17:13,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-29 06:17:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:13,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 06:17:13,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:17:13,840 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2023-11-29 06:17:13,841 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:17:13,841 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:17:13,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [229010541] [2023-11-29 06:17:13,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [229010541] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:17:13,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:17:13,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:17:13,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50451089] [2023-11-29 06:17:13,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:17:13,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 06:17:13,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:17:13,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 06:17:13,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:17:13,881 INFO L87 Difference]: Start difference. First operand has 103 states, 88 states have (on average 1.4886363636363635) internal successors, (131), 89 states have internal predecessors, (131), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 06:17:14,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:17:14,120 INFO L93 Difference]: Finished difference Result 203 states and 320 transitions. [2023-11-29 06:17:14,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 06:17:14,122 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 100 [2023-11-29 06:17:14,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:17:14,130 INFO L225 Difference]: With dead ends: 203 [2023-11-29 06:17:14,130 INFO L226 Difference]: Without dead ends: 101 [2023-11-29 06:17:14,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:17:14,137 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:17:14,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 146 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:17:14,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-11-29 06:17:14,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2023-11-29 06:17:14,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 87 states have (on average 1.4482758620689655) internal successors, (126), 87 states have internal predecessors, (126), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 06:17:14,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 150 transitions. [2023-11-29 06:17:14,176 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 150 transitions. Word has length 100 [2023-11-29 06:17:14,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:17:14,176 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 150 transitions. [2023-11-29 06:17:14,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 06:17:14,177 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 150 transitions. [2023-11-29 06:17:14,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-29 06:17:14,182 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:17:14,182 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:17:14,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 06:17:14,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:17:14,383 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:17:14,384 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:17:14,384 INFO L85 PathProgramCache]: Analyzing trace with hash 98750945, now seen corresponding path program 1 times [2023-11-29 06:17:14,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:17:14,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1319422794] [2023-11-29 06:17:14,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:17:14,385 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:17:14,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:17:14,387 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 06:17:14,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-29 06:17:14,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:14,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:17:14,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:17:14,747 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 06:17:14,747 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:17:14,748 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:17:14,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1319422794] [2023-11-29 06:17:14,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1319422794] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:17:14,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:17:14,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:17:14,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850539688] [2023-11-29 06:17:14,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:17:14,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:17:14,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:17:14,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:17:14,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:17:14,752 INFO L87 Difference]: Start difference. First operand 101 states and 150 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:17:14,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:17:14,960 INFO L93 Difference]: Finished difference Result 232 states and 346 transitions. [2023-11-29 06:17:14,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:17:14,961 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 100 [2023-11-29 06:17:14,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:17:14,964 INFO L225 Difference]: With dead ends: 232 [2023-11-29 06:17:14,964 INFO L226 Difference]: Without dead ends: 132 [2023-11-29 06:17:14,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 97 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 06:17:14,967 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 76 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:17:14,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 464 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:17:14,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2023-11-29 06:17:14,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 103. [2023-11-29 06:17:14,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 89 states have (on average 1.4382022471910112) internal successors, (128), 89 states have internal predecessors, (128), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 06:17:14,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 152 transitions. [2023-11-29 06:17:14,983 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 152 transitions. Word has length 100 [2023-11-29 06:17:14,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:17:14,985 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 152 transitions. [2023-11-29 06:17:14,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:17:14,985 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 152 transitions. [2023-11-29 06:17:14,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-29 06:17:14,988 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:17:14,988 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:17:14,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-29 06:17:15,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:17:15,193 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:17:15,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:17:15,193 INFO L85 PathProgramCache]: Analyzing trace with hash 952924422, now seen corresponding path program 1 times [2023-11-29 06:17:15,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:17:15,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1968593326] [2023-11-29 06:17:15,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:17:15,194 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:17:15,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:17:15,195 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 06:17:15,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-29 06:17:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:15,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:17:15,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:17:15,510 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 06:17:15,510 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:17:15,510 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:17:15,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1968593326] [2023-11-29 06:17:15,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1968593326] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:17:15,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:17:15,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:17:15,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745946002] [2023-11-29 06:17:15,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:17:15,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:17:15,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:17:15,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:17:15,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:17:15,513 INFO L87 Difference]: Start difference. First operand 103 states and 152 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:17:15,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:17:15,870 INFO L93 Difference]: Finished difference Result 220 states and 324 transitions. [2023-11-29 06:17:15,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 06:17:15,871 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 102 [2023-11-29 06:17:15,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:17:15,873 INFO L225 Difference]: With dead ends: 220 [2023-11-29 06:17:15,873 INFO L226 Difference]: Without dead ends: 118 [2023-11-29 06:17:15,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 98 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 06:17:15,894 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 28 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:17:15,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 559 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 06:17:15,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-29 06:17:15,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 107. [2023-11-29 06:17:15,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 93 states have (on average 1.4193548387096775) internal successors, (132), 93 states have internal predecessors, (132), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 06:17:15,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 156 transitions. [2023-11-29 06:17:15,904 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 156 transitions. Word has length 102 [2023-11-29 06:17:15,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:17:15,904 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 156 transitions. [2023-11-29 06:17:15,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:17:15,905 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 156 transitions. [2023-11-29 06:17:15,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-29 06:17:15,906 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:17:15,906 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:17:15,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-29 06:17:16,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:17:16,107 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:17:16,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:17:16,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1010182724, now seen corresponding path program 1 times [2023-11-29 06:17:16,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:17:16,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1781807896] [2023-11-29 06:17:16,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:17:16,109 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:17:16,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:17:16,110 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 06:17:16,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-29 06:17:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:16,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 06:17:16,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:17:16,411 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 06:17:16,411 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:17:16,411 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:17:16,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1781807896] [2023-11-29 06:17:16,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1781807896] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:17:16,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:17:16,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:17:16,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297712588] [2023-11-29 06:17:16,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:17:16,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:17:16,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:17:16,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:17:16,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:17:16,413 INFO L87 Difference]: Start difference. First operand 107 states and 156 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:17:16,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:17:16,808 INFO L93 Difference]: Finished difference Result 225 states and 326 transitions. [2023-11-29 06:17:16,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 06:17:16,809 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 102 [2023-11-29 06:17:16,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:17:16,811 INFO L225 Difference]: With dead ends: 225 [2023-11-29 06:17:16,811 INFO L226 Difference]: Without dead ends: 119 [2023-11-29 06:17:16,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:17:16,813 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 22 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:17:16,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 693 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 06:17:16,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-11-29 06:17:16,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 109. [2023-11-29 06:17:16,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 95 states have (on average 1.4105263157894736) internal successors, (134), 95 states have internal predecessors, (134), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 06:17:16,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 158 transitions. [2023-11-29 06:17:16,821 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 158 transitions. Word has length 102 [2023-11-29 06:17:16,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:17:16,821 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 158 transitions. [2023-11-29 06:17:16,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:17:16,822 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 158 transitions. [2023-11-29 06:17:16,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-29 06:17:16,823 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:17:16,823 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:17:16,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-11-29 06:17:17,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:17:17,024 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:17:17,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:17:17,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1010242306, now seen corresponding path program 1 times [2023-11-29 06:17:17,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:17:17,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [351921589] [2023-11-29 06:17:17,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:17:17,025 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:17:17,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:17:17,026 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 06:17:17,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-29 06:17:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:17,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-29 06:17:17,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:17:17,419 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 0 case distinctions, treesize of input 23 treesize of output 22 [2023-11-29 06:17:17,574 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:17:17,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 38 treesize of output 25 [2023-11-29 06:17:17,725 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:17:17,726 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 33 treesize of output 35 [2023-11-29 06:17:17,978 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:17:17,979 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 38 [2023-11-29 06:17:18,180 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:17:18,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 58 [2023-11-29 06:17:22,532 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:17:22,533 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 79 treesize of output 64 [2023-11-29 06:17:22,812 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:17:22,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 68 treesize of output 64 [2023-11-29 06:17:23,176 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:17:23,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 79 treesize of output 64 [2023-11-29 06:17:23,312 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:17:23,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 57 treesize of output 25 [2023-11-29 06:17:23,336 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-29 06:17:23,336 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:17:23,336 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:17:23,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [351921589] [2023-11-29 06:17:23,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [351921589] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:17:23,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:17:23,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:17:23,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927962995] [2023-11-29 06:17:23,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:17:23,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:17:23,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:17:23,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:17:23,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=24, Unknown=1, NotChecked=0, Total=42 [2023-11-29 06:17:23,340 INFO L87 Difference]: Start difference. First operand 109 states and 158 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-29 06:17:27,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:17:27,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:17:27,922 INFO L93 Difference]: Finished difference Result 325 states and 472 transitions. [2023-11-29 06:17:27,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:17:27,923 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 102 [2023-11-29 06:17:27,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:17:27,925 INFO L225 Difference]: With dead ends: 325 [2023-11-29 06:17:27,925 INFO L226 Difference]: Without dead ends: 217 [2023-11-29 06:17:27,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=24, Invalid=31, Unknown=1, NotChecked=0, Total=56 [2023-11-29 06:17:27,926 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 391 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-11-29 06:17:27,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [391 Valid, 227 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-11-29 06:17:27,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2023-11-29 06:17:27,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 213. [2023-11-29 06:17:27,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 186 states have (on average 1.4086021505376345) internal successors, (262), 186 states have internal predecessors, (262), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 06:17:27,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 310 transitions. [2023-11-29 06:17:27,954 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 310 transitions. Word has length 102 [2023-11-29 06:17:27,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:17:27,955 INFO L495 AbstractCegarLoop]: Abstraction has 213 states and 310 transitions. [2023-11-29 06:17:27,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-29 06:17:27,955 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 310 transitions. [2023-11-29 06:17:27,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-29 06:17:27,957 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:17:27,957 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:17:27,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-11-29 06:17:28,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:17:28,161 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:17:28,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:17:28,161 INFO L85 PathProgramCache]: Analyzing trace with hash -983902400, now seen corresponding path program 1 times [2023-11-29 06:17:28,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:17:28,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1233426501] [2023-11-29 06:17:28,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:17:28,162 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:17:28,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:17:28,163 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 06:17:28,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-29 06:17:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:28,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 06:17:28,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:17:28,526 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 30 treesize of output 1 [2023-11-29 06:17:28,587 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:17:28,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 34 treesize of output 36 [2023-11-29 06:17:28,627 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:17:28,628 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 16 [2023-11-29 06:17:28,976 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 06:17:28,976 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:17:28,976 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:17:28,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1233426501] [2023-11-29 06:17:28,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1233426501] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:17:28,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:17:28,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:17:28,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959264527] [2023-11-29 06:17:28,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:17:28,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:17:28,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:17:28,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:17:28,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:17:28,979 INFO L87 Difference]: Start difference. First operand 213 states and 310 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:17:34,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:17:34,212 INFO L93 Difference]: Finished difference Result 665 states and 960 transitions. [2023-11-29 06:17:34,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 06:17:34,213 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 102 [2023-11-29 06:17:34,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:17:34,215 INFO L225 Difference]: With dead ends: 665 [2023-11-29 06:17:34,216 INFO L226 Difference]: Without dead ends: 453 [2023-11-29 06:17:34,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:17:34,217 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 339 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:17:34,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 358 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-11-29 06:17:34,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2023-11-29 06:17:34,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 338. [2023-11-29 06:17:34,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 297 states have (on average 1.393939393939394) internal successors, (414), 299 states have internal predecessors, (414), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-29 06:17:34,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 486 transitions. [2023-11-29 06:17:34,251 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 486 transitions. Word has length 102 [2023-11-29 06:17:34,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:17:34,252 INFO L495 AbstractCegarLoop]: Abstraction has 338 states and 486 transitions. [2023-11-29 06:17:34,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:17:34,252 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 486 transitions. [2023-11-29 06:17:34,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-29 06:17:34,259 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:17:34,259 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:17:34,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-11-29 06:17:34,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:17:34,460 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:17:34,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:17:34,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1743526207, now seen corresponding path program 1 times [2023-11-29 06:17:34,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:17:34,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [140030232] [2023-11-29 06:17:34,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:17:34,461 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:17:34,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:17:34,462 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 06:17:34,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-29 06:17:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:34,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-29 06:17:34,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:17:34,794 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 0 case distinctions, treesize of input 28 treesize of output 12 [2023-11-29 06:17:34,822 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 0 case distinctions, treesize of input 28 treesize of output 12 [2023-11-29 06:17:34,847 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 0 case distinctions, treesize of input 28 treesize of output 12 [2023-11-29 06:17:34,872 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 0 case distinctions, treesize of input 23 treesize of output 22 [2023-11-29 06:17:34,968 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:17:34,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 44 treesize of output 35 [2023-11-29 06:17:38,473 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:17:38,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 58 [2023-11-29 06:17:46,731 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:17:46,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 68 treesize of output 64 [2023-11-29 06:17:46,993 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:17:46,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 79 treesize of output 64 [2023-11-29 06:17:47,157 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:17:47,157 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 70 treesize of output 75 [2023-11-29 06:17:47,342 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:17:47,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 74 treesize of output 30 [2023-11-29 06:17:47,364 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-11-29 06:17:47,365 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:17:47,365 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:17:47,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [140030232] [2023-11-29 06:17:47,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [140030232] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:17:47,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:17:47,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:17:47,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561128201] [2023-11-29 06:17:47,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:17:47,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:17:47,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:17:47,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:17:47,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=30, Unknown=3, NotChecked=0, Total=56 [2023-11-29 06:17:47,367 INFO L87 Difference]: Start difference. First operand 338 states and 486 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 7 states have internal predecessors, (55), 4 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-11-29 06:17:52,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:17:52,227 INFO L93 Difference]: Finished difference Result 682 states and 977 transitions. [2023-11-29 06:17:52,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:17:52,227 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 7 states have internal predecessors, (55), 4 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 103 [2023-11-29 06:17:52,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:17:52,230 INFO L225 Difference]: With dead ends: 682 [2023-11-29 06:17:52,230 INFO L226 Difference]: Without dead ends: 345 [2023-11-29 06:17:52,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 11.6s TimeCoverageRelationStatistics Valid=39, Invalid=48, Unknown=3, NotChecked=0, Total=90 [2023-11-29 06:17:52,232 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 447 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-29 06:17:52,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 451 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-11-29 06:17:52,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2023-11-29 06:17:52,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 338. [2023-11-29 06:17:52,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 297 states have (on average 1.387205387205387) internal successors, (412), 299 states have internal predecessors, (412), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-29 06:17:52,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 484 transitions. [2023-11-29 06:17:52,258 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 484 transitions. Word has length 103 [2023-11-29 06:17:52,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:17:52,259 INFO L495 AbstractCegarLoop]: Abstraction has 338 states and 484 transitions. [2023-11-29 06:17:52,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 7 states have internal predecessors, (55), 4 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-11-29 06:17:52,259 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 484 transitions. [2023-11-29 06:17:52,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-29 06:17:52,260 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:17:52,260 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:17:52,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2023-11-29 06:17:52,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:17:52,461 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:17:52,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:17:52,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1485360769, now seen corresponding path program 1 times [2023-11-29 06:17:52,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:17:52,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [179718922] [2023-11-29 06:17:52,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:17:52,462 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:17:52,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:17:52,463 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 06:17:52,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-29 06:17:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:17:52,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-29 06:17:52,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:17:52,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 06:17:52,945 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 0 case distinctions, treesize of input 53 treesize of output 20 [2023-11-29 06:17:52,999 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 0 case distinctions, treesize of input 43 treesize of output 40 [2023-11-29 06:17:56,063 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:17:56,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 56 [2023-11-29 06:17:56,396 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:17:56,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 85 treesize of output 70 [2023-11-29 06:17:56,694 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:17:56,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 91 treesize of output 84 [2023-11-29 06:17:57,052 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:17:57,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 130 treesize of output 58 [2023-11-29 06:17:57,145 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 170 proven. 24 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-29 06:17:57,146 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:17:57,330 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 06:17:57,330 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:17:57,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [179718922] [2023-11-29 06:17:57,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [179718922] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 06:17:57,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:17:57,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [17] total 19 [2023-11-29 06:17:57,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074796190] [2023-11-29 06:17:57,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:17:57,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:17:57,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:17:57,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:17:57,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=284, Unknown=1, NotChecked=0, Total=342 [2023-11-29 06:17:57,332 INFO L87 Difference]: Start difference. First operand 338 states and 484 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:17:59,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:17:59,786 INFO L93 Difference]: Finished difference Result 806 states and 1148 transitions. [2023-11-29 06:17:59,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 06:17:59,787 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 103 [2023-11-29 06:17:59,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:17:59,789 INFO L225 Difference]: With dead ends: 806 [2023-11-29 06:17:59,789 INFO L226 Difference]: Without dead ends: 469 [2023-11-29 06:17:59,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=80, Invalid=425, Unknown=1, NotChecked=0, Total=506 [2023-11-29 06:17:59,791 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 211 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:17:59,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 555 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-29 06:17:59,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2023-11-29 06:17:59,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 352. [2023-11-29 06:17:59,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 311 states have (on average 1.3794212218649518) internal successors, (429), 313 states have internal predecessors, (429), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-29 06:17:59,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 501 transitions. [2023-11-29 06:17:59,815 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 501 transitions. Word has length 103 [2023-11-29 06:17:59,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:17:59,815 INFO L495 AbstractCegarLoop]: Abstraction has 352 states and 501 transitions. [2023-11-29 06:17:59,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:17:59,815 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 501 transitions. [2023-11-29 06:17:59,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-29 06:17:59,816 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:17:59,816 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:17:59,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2023-11-29 06:18:00,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:18:00,017 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:18:00,017 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:18:00,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1257208201, now seen corresponding path program 1 times [2023-11-29 06:18:00,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:18:00,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1092348087] [2023-11-29 06:18:00,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:18:00,018 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:18:00,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:18:00,019 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 06:18:00,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-29 06:18:00,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:18:00,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-29 06:18:00,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:18:00,339 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 06:18:00,342 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 14 treesize of output 10 [2023-11-29 06:18:00,404 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 0 case distinctions, treesize of input 30 treesize of output 14 [2023-11-29 06:18:00,452 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 0 case distinctions, treesize of input 25 treesize of output 24 [2023-11-29 06:18:00,578 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:18:00,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 51 treesize of output 27 [2023-11-29 06:18:00,657 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:18:00,658 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 51 treesize of output 27 [2023-11-29 06:18:00,742 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:18:00,742 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 35 treesize of output 37 [2023-11-29 06:18:00,939 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:18:00,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 40 [2023-11-29 06:18:01,086 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:18:01,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 64 [2023-11-29 06:18:01,279 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:18:01,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 73 treesize of output 78 [2023-11-29 06:18:01,417 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:18:01,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 74 treesize of output 34 [2023-11-29 06:18:01,539 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-29 06:18:01,539 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:18:01,539 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:18:01,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1092348087] [2023-11-29 06:18:01,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1092348087] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:18:01,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:18:01,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 06:18:01,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112927350] [2023-11-29 06:18:01,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:18:01,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 06:18:01,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:18:01,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 06:18:01,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:18:01,541 INFO L87 Difference]: Start difference. First operand 352 states and 501 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 4 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-11-29 06:18:07,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:18:13,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:18:18,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:18:20,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:18:27,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:18:27,732 INFO L93 Difference]: Finished difference Result 815 states and 1159 transitions. [2023-11-29 06:18:27,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 06:18:27,733 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 4 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 104 [2023-11-29 06:18:27,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:18:27,737 INFO L225 Difference]: With dead ends: 815 [2023-11-29 06:18:27,738 INFO L226 Difference]: Without dead ends: 620 [2023-11-29 06:18:27,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=68, Invalid=114, Unknown=0, NotChecked=0, Total=182 [2023-11-29 06:18:27,739 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 555 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 875 mSolverCounterSat, 58 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 875 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.9s IncrementalHoareTripleChecker+Time [2023-11-29 06:18:27,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [555 Valid, 581 Invalid, 934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 875 Invalid, 1 Unknown, 0 Unchecked, 25.9s Time] [2023-11-29 06:18:27,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2023-11-29 06:18:27,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 378. [2023-11-29 06:18:27,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 337 states have (on average 1.3916913946587537) internal successors, (469), 339 states have internal predecessors, (469), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-29 06:18:27,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 541 transitions. [2023-11-29 06:18:27,795 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 541 transitions. Word has length 104 [2023-11-29 06:18:27,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:18:27,795 INFO L495 AbstractCegarLoop]: Abstraction has 378 states and 541 transitions. [2023-11-29 06:18:27,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 4 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-11-29 06:18:27,796 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 541 transitions. [2023-11-29 06:18:27,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-29 06:18:27,797 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:18:27,797 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:18:27,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2023-11-29 06:18:27,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:18:27,998 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:18:27,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:18:27,999 INFO L85 PathProgramCache]: Analyzing trace with hash 670402187, now seen corresponding path program 1 times [2023-11-29 06:18:27,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:18:27,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1116260004] [2023-11-29 06:18:27,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:18:28,000 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:18:28,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:18:28,001 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 06:18:28,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-11-29 06:18:28,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:18:28,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 06:18:28,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:18:28,358 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 12 treesize of output 8 [2023-11-29 06:18:28,383 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:18:28,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 30 treesize of output 32 [2023-11-29 06:18:28,419 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:18:28,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 14 [2023-11-29 06:18:28,474 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 06:18:28,474 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:18:28,474 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:18:28,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1116260004] [2023-11-29 06:18:28,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1116260004] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:18:28,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:18:28,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 06:18:28,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004431242] [2023-11-29 06:18:28,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:18:28,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 06:18:28,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:18:28,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 06:18:28,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:18:28,476 INFO L87 Difference]: Start difference. First operand 378 states and 541 transitions. Second operand has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:18:34,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:18:34,697 INFO L93 Difference]: Finished difference Result 907 states and 1297 transitions. [2023-11-29 06:18:34,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-29 06:18:34,698 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 104 [2023-11-29 06:18:34,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:18:34,702 INFO L225 Difference]: With dead ends: 907 [2023-11-29 06:18:34,702 INFO L226 Difference]: Without dead ends: 686 [2023-11-29 06:18:34,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=133, Invalid=373, Unknown=0, NotChecked=0, Total=506 [2023-11-29 06:18:34,704 INFO L413 NwaCegarLoop]: 239 mSDtfsCounter, 368 mSDsluCounter, 1290 mSDsCounter, 0 mSdLazyCounter, 810 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 1529 SdHoareTripleChecker+Invalid, 830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2023-11-29 06:18:34,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 1529 Invalid, 830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 810 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2023-11-29 06:18:34,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2023-11-29 06:18:34,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 380. [2023-11-29 06:18:34,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 339 states have (on average 1.3893805309734513) internal successors, (471), 341 states have internal predecessors, (471), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-29 06:18:34,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 543 transitions. [2023-11-29 06:18:34,753 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 543 transitions. Word has length 104 [2023-11-29 06:18:34,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:18:34,753 INFO L495 AbstractCegarLoop]: Abstraction has 380 states and 543 transitions. [2023-11-29 06:18:34,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:18:34,754 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 543 transitions. [2023-11-29 06:18:34,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-29 06:18:34,755 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:18:34,755 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:18:34,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2023-11-29 06:18:34,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:18:34,963 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:18:34,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:18:34,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1232320761, now seen corresponding path program 1 times [2023-11-29 06:18:34,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:18:34,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [261625089] [2023-11-29 06:18:34,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:18:34,964 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:18:34,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:18:34,965 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 06:18:34,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-11-29 06:18:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:18:35,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 06:18:35,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:18:35,294 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 06:18:35,324 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 0 case distinctions, treesize of input 33 treesize of output 26 [2023-11-29 06:18:35,383 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:18:35,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 49 [2023-11-29 06:18:35,490 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:18:35,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 65 treesize of output 27 [2023-11-29 06:18:35,561 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 06:18:35,561 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:18:35,561 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:18:35,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [261625089] [2023-11-29 06:18:35,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [261625089] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:18:35,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:18:35,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 06:18:35,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308977430] [2023-11-29 06:18:35,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:18:35,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 06:18:35,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:18:35,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 06:18:35,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:18:35,563 INFO L87 Difference]: Start difference. First operand 380 states and 543 transitions. Second operand has 10 states, 10 states have (on average 4.7) internal successors, (47), 10 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:18:41,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:18:41,539 INFO L93 Difference]: Finished difference Result 867 states and 1235 transitions. [2023-11-29 06:18:41,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-29 06:18:41,540 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.7) internal successors, (47), 10 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 104 [2023-11-29 06:18:41,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:18:41,544 INFO L225 Difference]: With dead ends: 867 [2023-11-29 06:18:41,544 INFO L226 Difference]: Without dead ends: 644 [2023-11-29 06:18:41,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2023-11-29 06:18:41,545 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 432 mSDsluCounter, 997 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 1195 SdHoareTripleChecker+Invalid, 903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-11-29 06:18:41,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 1195 Invalid, 903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-11-29 06:18:41,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2023-11-29 06:18:41,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 380. [2023-11-29 06:18:41,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 339 states have (on average 1.3893805309734513) internal successors, (471), 341 states have internal predecessors, (471), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-29 06:18:41,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 543 transitions. [2023-11-29 06:18:41,585 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 543 transitions. Word has length 104 [2023-11-29 06:18:41,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:18:41,585 INFO L495 AbstractCegarLoop]: Abstraction has 380 states and 543 transitions. [2023-11-29 06:18:41,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.7) internal successors, (47), 10 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:18:41,586 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 543 transitions. [2023-11-29 06:18:41,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-29 06:18:41,587 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:18:41,587 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:18:41,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2023-11-29 06:18:41,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:18:41,787 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:18:41,788 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:18:41,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1819126775, now seen corresponding path program 1 times [2023-11-29 06:18:41,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:18:41,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [70672786] [2023-11-29 06:18:41,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:18:41,788 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:18:41,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:18:41,789 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 06:18:41,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-11-29 06:18:42,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:18:42,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 06:18:42,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:18:42,116 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 06:18:42,137 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 0 case distinctions, treesize of input 25 treesize of output 24 [2023-11-29 06:18:42,204 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:18:42,204 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 47 [2023-11-29 06:18:42,267 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:18:42,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 20 [2023-11-29 06:18:42,289 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 06:18:42,289 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:18:42,289 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:18:42,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [70672786] [2023-11-29 06:18:42,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [70672786] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:18:42,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:18:42,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:18:42,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128140383] [2023-11-29 06:18:42,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:18:42,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:18:42,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:18:42,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:18:42,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:18:42,291 INFO L87 Difference]: Start difference. First operand 380 states and 543 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:18:46,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:18:50,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:18:50,622 INFO L93 Difference]: Finished difference Result 753 states and 1074 transitions. [2023-11-29 06:18:50,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 06:18:50,623 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 104 [2023-11-29 06:18:50,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:18:50,626 INFO L225 Difference]: With dead ends: 753 [2023-11-29 06:18:50,626 INFO L226 Difference]: Without dead ends: 530 [2023-11-29 06:18:50,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:18:50,627 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 312 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:18:50,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 714 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2023-11-29 06:18:50,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2023-11-29 06:18:50,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 375. [2023-11-29 06:18:50,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 334 states have (on average 1.3862275449101797) internal successors, (463), 336 states have internal predecessors, (463), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-29 06:18:50,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 535 transitions. [2023-11-29 06:18:50,672 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 535 transitions. Word has length 104 [2023-11-29 06:18:50,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:18:50,673 INFO L495 AbstractCegarLoop]: Abstraction has 375 states and 535 transitions. [2023-11-29 06:18:50,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:18:50,673 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 535 transitions. [2023-11-29 06:18:50,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-29 06:18:50,675 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:18:50,675 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:18:50,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2023-11-29 06:18:50,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:18:50,875 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:18:50,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:18:50,876 INFO L85 PathProgramCache]: Analyzing trace with hash 78160493, now seen corresponding path program 1 times [2023-11-29 06:18:50,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:18:50,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [259553569] [2023-11-29 06:18:50,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:18:50,876 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:18:50,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:18:50,877 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 06:18:50,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-11-29 06:18:51,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:18:51,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 06:18:51,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:18:51,310 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 14 treesize of output 10 [2023-11-29 06:18:51,365 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 0 case distinctions, treesize of input 43 treesize of output 25 [2023-11-29 06:18:51,446 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:18:51,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 48 [2023-11-29 06:18:51,724 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:18:51,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 90 treesize of output 36 [2023-11-29 06:18:51,760 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-11-29 06:18:51,761 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:18:51,761 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:18:51,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [259553569] [2023-11-29 06:18:51,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [259553569] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:18:51,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:18:51,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:18:51,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854817850] [2023-11-29 06:18:51,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:18:51,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:18:51,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:18:51,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:18:51,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:18:51,762 INFO L87 Difference]: Start difference. First operand 375 states and 535 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 06:18:55,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:18:55,651 INFO L93 Difference]: Finished difference Result 436 states and 611 transitions. [2023-11-29 06:18:55,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 06:18:55,652 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 105 [2023-11-29 06:18:55,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:18:55,654 INFO L225 Difference]: With dead ends: 436 [2023-11-29 06:18:55,654 INFO L226 Difference]: Without dead ends: 434 [2023-11-29 06:18:55,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-11-29 06:18:55,655 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 308 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-29 06:18:55,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 402 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-29 06:18:55,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2023-11-29 06:18:55,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 425. [2023-11-29 06:18:55,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 371 states have (on average 1.3638814016172507) internal successors, (506), 374 states have internal predecessors, (506), 46 states have call successors, (46), 7 states have call predecessors, (46), 7 states have return successors, (46), 43 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-29 06:18:55,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 598 transitions. [2023-11-29 06:18:55,704 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 598 transitions. Word has length 105 [2023-11-29 06:18:55,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:18:55,704 INFO L495 AbstractCegarLoop]: Abstraction has 425 states and 598 transitions. [2023-11-29 06:18:55,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 06:18:55,704 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 598 transitions. [2023-11-29 06:18:55,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-29 06:18:55,706 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:18:55,706 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:18:55,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2023-11-29 06:18:55,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:18:55,907 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:18:55,907 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:18:55,907 INFO L85 PathProgramCache]: Analyzing trace with hash 78220075, now seen corresponding path program 1 times [2023-11-29 06:18:55,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:18:55,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [761350329] [2023-11-29 06:18:55,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:18:55,908 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:18:55,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:18:55,910 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 06:18:55,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2023-11-29 06:18:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:18:56,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-29 06:18:56,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:18:56,531 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 30 treesize of output 1 [2023-11-29 06:18:57,138 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:18:57,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 133 treesize of output 79 [2023-11-29 06:19:01,701 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:19:01,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 147 treesize of output 95 [2023-11-29 06:19:02,532 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:19:02,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 252 treesize of output 150 [2023-11-29 06:19:12,438 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:19:12,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 258 treesize of output 164 [2023-11-29 06:19:31,992 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:19:31,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 410 treesize of output 140 [2023-11-29 06:19:33,064 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2023-11-29 06:19:33,064 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:19:33,065 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:19:33,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [761350329] [2023-11-29 06:19:33,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [761350329] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:19:33,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:19:33,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 06:19:33,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204616267] [2023-11-29 06:19:33,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:19:33,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 06:19:33,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:19:33,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 06:19:33,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=114, Unknown=1, NotChecked=0, Total=156 [2023-11-29 06:19:33,066 INFO L87 Difference]: Start difference. First operand 425 states and 598 transitions. Second operand has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 12 states have internal predecessors, (57), 4 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-11-29 06:19:37,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:19:45,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:19:49,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:19:53,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.53s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:19:57,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.64s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:20:01,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:20:05,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:20:10,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:20:21,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:20:25,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:20:30,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:20:50,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:20:56,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:20:58,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:21:01,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:21:09,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:21:11,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:21:11,615 INFO L93 Difference]: Finished difference Result 1420 states and 1974 transitions. [2023-11-29 06:21:11,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 06:21:11,618 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 12 states have internal predecessors, (57), 4 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 105 [2023-11-29 06:21:11,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:21:11,622 INFO L225 Difference]: With dead ends: 1420 [2023-11-29 06:21:11,622 INFO L226 Difference]: Without dead ends: 1030 [2023-11-29 06:21:11,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 18.6s TimeCoverageRelationStatistics Valid=74, Invalid=196, Unknown=2, NotChecked=0, Total=272 [2023-11-29 06:21:11,624 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 541 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 88 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 88.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 543 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 1149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 90.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:21:11,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [543 Valid, 667 Invalid, 1149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1049 Invalid, 12 Unknown, 0 Unchecked, 90.1s Time] [2023-11-29 06:21:11,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states. [2023-11-29 06:21:11,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 974. [2023-11-29 06:21:11,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 974 states, 858 states have (on average 1.3484848484848484) internal successors, (1157), 867 states have internal predecessors, (1157), 94 states have call successors, (94), 21 states have call predecessors, (94), 21 states have return successors, (94), 85 states have call predecessors, (94), 94 states have call successors, (94) [2023-11-29 06:21:11,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 974 states and 1345 transitions. [2023-11-29 06:21:11,769 INFO L78 Accepts]: Start accepts. Automaton has 974 states and 1345 transitions. Word has length 105 [2023-11-29 06:21:11,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:21:11,770 INFO L495 AbstractCegarLoop]: Abstraction has 974 states and 1345 transitions. [2023-11-29 06:21:11,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 12 states have internal predecessors, (57), 4 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-11-29 06:21:11,770 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1345 transitions. [2023-11-29 06:21:11,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-29 06:21:11,773 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:21:11,773 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:21:11,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2023-11-29 06:21:11,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:21:11,973 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:21:11,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:21:11,974 INFO L85 PathProgramCache]: Analyzing trace with hash 135478377, now seen corresponding path program 1 times [2023-11-29 06:21:11,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:21:11,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1099959836] [2023-11-29 06:21:11,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:21:11,974 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:21:11,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:21:11,975 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 06:21:11,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2023-11-29 06:21:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:12,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:21:12,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:21:12,220 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 06:21:12,221 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:21:12,221 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:21:12,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1099959836] [2023-11-29 06:21:12,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1099959836] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:21:12,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:21:12,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:21:12,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390435625] [2023-11-29 06:21:12,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:21:12,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:21:12,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:21:12,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:21:12,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:21:12,222 INFO L87 Difference]: Start difference. First operand 974 states and 1345 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:21:12,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:21:12,643 INFO L93 Difference]: Finished difference Result 1979 states and 2723 transitions. [2023-11-29 06:21:12,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:21:12,644 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 105 [2023-11-29 06:21:12,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:21:12,648 INFO L225 Difference]: With dead ends: 1979 [2023-11-29 06:21:12,649 INFO L226 Difference]: Without dead ends: 1042 [2023-11-29 06:21:12,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 101 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 06:21:12,650 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 28 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:21:12,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 550 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 06:21:12,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2023-11-29 06:21:12,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 1004. [2023-11-29 06:21:12,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1004 states, 888 states have (on average 1.3367117117117118) internal successors, (1187), 897 states have internal predecessors, (1187), 94 states have call successors, (94), 21 states have call predecessors, (94), 21 states have return successors, (94), 85 states have call predecessors, (94), 94 states have call successors, (94) [2023-11-29 06:21:12,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1375 transitions. [2023-11-29 06:21:12,803 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1375 transitions. Word has length 105 [2023-11-29 06:21:12,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:21:12,804 INFO L495 AbstractCegarLoop]: Abstraction has 1004 states and 1375 transitions. [2023-11-29 06:21:12,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:21:12,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1375 transitions. [2023-11-29 06:21:12,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-29 06:21:12,806 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:21:12,806 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:21:12,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2023-11-29 06:21:13,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:21:13,007 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:21:13,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:21:13,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1465005485, now seen corresponding path program 1 times [2023-11-29 06:21:13,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:21:13,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1354510199] [2023-11-29 06:21:13,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:21:13,008 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:21:13,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:21:13,009 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 06:21:13,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2023-11-29 06:21:13,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:13,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:21:13,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:21:13,279 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-11-29 06:21:13,279 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:21:13,280 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:21:13,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1354510199] [2023-11-29 06:21:13,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1354510199] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:21:13,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:21:13,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:21:13,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717408560] [2023-11-29 06:21:13,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:21:13,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:21:13,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:21:13,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:21:13,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:21:13,281 INFO L87 Difference]: Start difference. First operand 1004 states and 1375 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 06:21:13,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:21:13,666 INFO L93 Difference]: Finished difference Result 1991 states and 2728 transitions. [2023-11-29 06:21:13,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:21:13,667 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 105 [2023-11-29 06:21:13,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:21:13,673 INFO L225 Difference]: With dead ends: 1991 [2023-11-29 06:21:13,673 INFO L226 Difference]: Without dead ends: 1016 [2023-11-29 06:21:13,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 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 06:21:13,674 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 7 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:21:13,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 435 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 06:21:13,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1016 states. [2023-11-29 06:21:13,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 1004. [2023-11-29 06:21:13,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1004 states, 888 states have (on average 1.3333333333333333) internal successors, (1184), 897 states have internal predecessors, (1184), 94 states have call successors, (94), 21 states have call predecessors, (94), 21 states have return successors, (94), 85 states have call predecessors, (94), 94 states have call successors, (94) [2023-11-29 06:21:13,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1372 transitions. [2023-11-29 06:21:13,769 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1372 transitions. Word has length 105 [2023-11-29 06:21:13,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:21:13,769 INFO L495 AbstractCegarLoop]: Abstraction has 1004 states and 1372 transitions. [2023-11-29 06:21:13,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 06:21:13,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1372 transitions. [2023-11-29 06:21:13,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-29 06:21:13,771 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:21:13,771 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:21:13,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2023-11-29 06:21:13,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:21:13,972 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:21:13,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:21:13,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1389698949, now seen corresponding path program 1 times [2023-11-29 06:21:13,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:21:13,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1530832257] [2023-11-29 06:21:13,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:21:13,973 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:21:13,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:21:13,974 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 06:21:13,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2023-11-29 06:21:14,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:14,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 06:21:14,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:21:14,254 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 28 treesize of output 16 [2023-11-29 06:21:14,283 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 06:21:14,283 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:21:14,283 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:21:14,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1530832257] [2023-11-29 06:21:14,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1530832257] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:21:14,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:21:14,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:21:14,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296095434] [2023-11-29 06:21:14,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:21:14,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:21:14,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:21:14,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:21:14,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:21:14,285 INFO L87 Difference]: Start difference. First operand 1004 states and 1372 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:21:16,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:21:16,150 INFO L93 Difference]: Finished difference Result 1867 states and 2547 transitions. [2023-11-29 06:21:16,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:21:16,151 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 106 [2023-11-29 06:21:16,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:21:16,155 INFO L225 Difference]: With dead ends: 1867 [2023-11-29 06:21:16,155 INFO L226 Difference]: Without dead ends: 900 [2023-11-29 06:21:16,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 102 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 06:21:16,157 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 2 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:21:16,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 432 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 06:21:16,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2023-11-29 06:21:16,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 900. [2023-11-29 06:21:16,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 796 states have (on average 1.32035175879397) internal successors, (1051), 803 states have internal predecessors, (1051), 82 states have call successors, (82), 21 states have call predecessors, (82), 21 states have return successors, (82), 75 states have call predecessors, (82), 82 states have call successors, (82) [2023-11-29 06:21:16,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1215 transitions. [2023-11-29 06:21:16,261 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1215 transitions. Word has length 106 [2023-11-29 06:21:16,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:21:16,261 INFO L495 AbstractCegarLoop]: Abstraction has 900 states and 1215 transitions. [2023-11-29 06:21:16,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:21:16,261 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1215 transitions. [2023-11-29 06:21:16,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-29 06:21:16,262 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:21:16,262 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:21:16,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2023-11-29 06:21:16,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:21:16,463 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:21:16,463 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:21:16,463 INFO L85 PathProgramCache]: Analyzing trace with hash -821716788, now seen corresponding path program 1 times [2023-11-29 06:21:16,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:21:16,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [161854321] [2023-11-29 06:21:16,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:21:16,464 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:21:16,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:21:16,465 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 06:21:16,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2023-11-29 06:21:16,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:16,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 06:21:16,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:21:16,833 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 14 treesize of output 10 [2023-11-29 06:21:17,012 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 0 case distinctions, treesize of input 36 treesize of output 29 [2023-11-29 06:21:17,224 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:21:17,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 57 treesize of output 42 [2023-11-29 06:21:21,453 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:21:21,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 45 [2023-11-29 06:21:25,676 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:21:25,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 55 [2023-11-29 06:21:26,044 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:21:26,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 69 [2023-11-29 06:21:26,205 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:21:26,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 79 treesize of output 31 [2023-11-29 06:21:26,263 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 209 proven. 18 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-29 06:21:26,263 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:21:26,622 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 15 proven. 18 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-29 06:21:26,622 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:21:26,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [161854321] [2023-11-29 06:21:26,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [161854321] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:21:26,622 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:21:26,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7] total 17 [2023-11-29 06:21:26,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358546164] [2023-11-29 06:21:26,623 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:21:26,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 06:21:26,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:21:26,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 06:21:26,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=192, Unknown=1, NotChecked=0, Total=272 [2023-11-29 06:21:26,624 INFO L87 Difference]: Start difference. First operand 900 states and 1215 transitions. Second operand has 17 states, 15 states have (on average 5.733333333333333) internal successors, (86), 16 states have internal predecessors, (86), 8 states have call successors, (20), 5 states have call predecessors, (20), 7 states have return successors, (20), 7 states have call predecessors, (20), 8 states have call successors, (20) [2023-11-29 06:21:31,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:21:35,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:21:39,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:21:47,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:21:55,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:21:59,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:22:03,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:22:07,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:22:11,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:22:28,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:22:29,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:22:29,734 INFO L93 Difference]: Finished difference Result 1628 states and 2141 transitions. [2023-11-29 06:22:29,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 06:22:29,735 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 5.733333333333333) internal successors, (86), 16 states have internal predecessors, (86), 8 states have call successors, (20), 5 states have call predecessors, (20), 7 states have return successors, (20), 7 states have call predecessors, (20), 8 states have call successors, (20) Word has length 107 [2023-11-29 06:22:29,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:22:29,738 INFO L225 Difference]: With dead ends: 1628 [2023-11-29 06:22:29,738 INFO L226 Difference]: Without dead ends: 765 [2023-11-29 06:22:29,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 196 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 29.4s TimeCoverageRelationStatistics Valid=260, Invalid=604, Unknown=6, NotChecked=0, Total=870 [2023-11-29 06:22:29,740 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 376 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 74 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:22:29,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 285 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 546 Invalid, 9 Unknown, 0 Unchecked, 42.2s Time] [2023-11-29 06:22:29,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2023-11-29 06:22:29,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 504. [2023-11-29 06:22:29,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 443 states have (on average 1.2641083521444696) internal successors, (560), 445 states have internal predecessors, (560), 40 states have call successors, (40), 20 states have call predecessors, (40), 20 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 06:22:29,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 640 transitions. [2023-11-29 06:22:29,797 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 640 transitions. Word has length 107 [2023-11-29 06:22:29,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:22:29,797 INFO L495 AbstractCegarLoop]: Abstraction has 504 states and 640 transitions. [2023-11-29 06:22:29,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 5.733333333333333) internal successors, (86), 16 states have internal predecessors, (86), 8 states have call successors, (20), 5 states have call predecessors, (20), 7 states have return successors, (20), 7 states have call predecessors, (20), 8 states have call successors, (20) [2023-11-29 06:22:29,797 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 640 transitions. [2023-11-29 06:22:29,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-29 06:22:29,798 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:22:29,799 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:22:29,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2023-11-29 06:22:29,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:22:29,999 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:22:29,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:22:29,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1824140694, now seen corresponding path program 1 times [2023-11-29 06:22:30,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:22:30,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [936024404] [2023-11-29 06:22:30,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:22:30,000 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:22:30,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:22:30,001 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 06:22:30,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2023-11-29 06:22:30,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:22:30,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 06:22:30,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:22:30,270 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 28 treesize of output 16 [2023-11-29 06:22:30,296 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 06:22:30,296 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:22:30,296 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:22:30,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [936024404] [2023-11-29 06:22:30,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [936024404] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:22:30,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:22:30,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:22:30,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961112653] [2023-11-29 06:22:30,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:22:30,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:22:30,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:22:30,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:22:30,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:22:30,298 INFO L87 Difference]: Start difference. First operand 504 states and 640 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:22:33,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:22:33,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:22:33,969 INFO L93 Difference]: Finished difference Result 1048 states and 1329 transitions. [2023-11-29 06:22:33,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:22:33,970 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 107 [2023-11-29 06:22:33,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:22:33,973 INFO L225 Difference]: With dead ends: 1048 [2023-11-29 06:22:33,973 INFO L226 Difference]: Without dead ends: 545 [2023-11-29 06:22:33,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 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 06:22:33,974 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 98 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-29 06:22:33,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 282 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-29 06:22:33,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2023-11-29 06:22:34,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 483. [2023-11-29 06:22:34,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 422 states have (on average 1.2488151658767772) internal successors, (527), 424 states have internal predecessors, (527), 40 states have call successors, (40), 20 states have call predecessors, (40), 20 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 06:22:34,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 607 transitions. [2023-11-29 06:22:34,034 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 607 transitions. Word has length 107 [2023-11-29 06:22:34,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:22:34,034 INFO L495 AbstractCegarLoop]: Abstraction has 483 states and 607 transitions. [2023-11-29 06:22:34,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:22:34,034 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 607 transitions. [2023-11-29 06:22:34,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-29 06:22:34,035 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:22:34,035 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:22:34,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2023-11-29 06:22:34,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:22:34,236 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:22:34,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:22:34,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1664483229, now seen corresponding path program 1 times [2023-11-29 06:22:34,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:22:34,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1041828557] [2023-11-29 06:22:34,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:22:34,237 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:22:34,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:22:34,238 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 06:22:34,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2023-11-29 06:22:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:22:34,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:22:34,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:22:34,538 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 06:22:34,538 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:22:34,538 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:22:34,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1041828557] [2023-11-29 06:22:34,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1041828557] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:22:34,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:22:34,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:22:34,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341250484] [2023-11-29 06:22:34,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:22:34,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:22:34,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:22:34,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:22:34,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:22:34,539 INFO L87 Difference]: Start difference. First operand 483 states and 607 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:22:34,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:22:34,843 INFO L93 Difference]: Finished difference Result 755 states and 948 transitions. [2023-11-29 06:22:34,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:22:34,844 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 107 [2023-11-29 06:22:34,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:22:34,846 INFO L225 Difference]: With dead ends: 755 [2023-11-29 06:22:34,846 INFO L226 Difference]: Without dead ends: 455 [2023-11-29 06:22:34,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 104 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 06:22:34,848 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 1 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:22:34,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 357 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:22:34,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2023-11-29 06:22:34,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 437. [2023-11-29 06:22:34,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 376 states have (on average 1.2180851063829787) internal successors, (458), 378 states have internal predecessors, (458), 40 states have call successors, (40), 20 states have call predecessors, (40), 20 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 06:22:34,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 538 transitions. [2023-11-29 06:22:34,932 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 538 transitions. Word has length 107 [2023-11-29 06:22:34,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:22:34,932 INFO L495 AbstractCegarLoop]: Abstraction has 437 states and 538 transitions. [2023-11-29 06:22:34,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 06:22:34,932 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 538 transitions. [2023-11-29 06:22:34,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-29 06:22:34,933 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:22:34,934 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:22:34,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Ended with exit code 0 [2023-11-29 06:22:35,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:22:35,135 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:22:35,135 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:22:35,135 INFO L85 PathProgramCache]: Analyzing trace with hash 181814321, now seen corresponding path program 1 times [2023-11-29 06:22:35,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:22:35,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1686518101] [2023-11-29 06:22:35,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:22:35,136 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:22:35,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:22:35,137 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 06:22:35,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2023-11-29 06:22:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:22:35,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-29 06:22:35,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:22:35,837 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 30 treesize of output 1 [2023-11-29 06:22:36,744 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:22:36,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 141 treesize of output 57 [2023-11-29 06:22:37,046 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:22:37,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 125 treesize of output 67 [2023-11-29 06:22:37,671 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:22:37,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 230 treesize of output 122 [2023-11-29 06:22:46,324 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:22:46,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 231 treesize of output 137 [2023-11-29 06:23:02,176 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:23:02,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 388 treesize of output 130 [2023-11-29 06:23:03,050 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 139 proven. 9 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2023-11-29 06:23:03,050 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:23:11,028 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:23:11,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1686518101] [2023-11-29 06:23:11,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1686518101] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:23:11,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1995748374] [2023-11-29 06:23:11,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:23:11,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 06:23:11,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 06:23:11,030 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 06:23:11,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-11-29 06:23:12,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:23:12,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-29 06:23:12,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:23:13,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2023-11-29 06:23:28,455 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:23:28,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 122 treesize of output 69 [2023-11-29 06:23:33,379 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:23:33,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 108 treesize of output 78 [2023-11-29 06:23:33,814 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:23:33,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 176 treesize of output 129 [2023-11-29 06:23:46,922 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:23:46,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 105 treesize of output 102 [2023-11-29 06:24:00,890 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:24:00,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 226 treesize of output 102 [2023-11-29 06:24:01,385 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 131 proven. 9 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-11-29 06:24:01,385 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:24:07,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1995748374] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:24:07,374 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:24:07,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 26 [2023-11-29 06:24:07,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663779762] [2023-11-29 06:24:07,374 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:24:07,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-29 06:24:07,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:24:07,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-29 06:24:07,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=643, Unknown=3, NotChecked=0, Total=812 [2023-11-29 06:24:07,376 INFO L87 Difference]: Start difference. First operand 437 states and 538 transitions. Second operand has 27 states, 25 states have (on average 4.4) internal successors, (110), 23 states have internal predecessors, (110), 7 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 6 states have call predecessors, (24), 7 states have call successors, (24) [2023-11-29 06:24:18,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:24:41,615 WARN L293 SmtUtils]: Spent 9.80s on a formula simplification. DAG size of input: 91 DAG size of output: 64 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 06:24:45,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:24:47,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:25:00,258 WARN L293 SmtUtils]: Spent 7.49s on a formula simplification. DAG size of input: 105 DAG size of output: 71 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 06:25:16,919 WARN L293 SmtUtils]: Spent 7.31s on a formula simplification. DAG size of input: 106 DAG size of output: 72 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 06:25:26,909 WARN L293 SmtUtils]: Spent 7.10s on a formula simplification. DAG size of input: 107 DAG size of output: 73 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 06:25:32,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.72s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:25:34,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:25:38,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:25:41,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.88s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:26:04,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:26:08,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:26:12,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:26:16,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:26:19,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:26:23,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:26:24,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:26:38,387 WARN L293 SmtUtils]: Spent 7.18s on a formula simplification. DAG size of input: 116 DAG size of output: 76 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 06:27:00,371 WARN L293 SmtUtils]: Spent 14.93s on a formula simplification. DAG size of input: 118 DAG size of output: 71 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 06:27:05,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:27:09,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:27:21,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.78s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:27:26,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:27:28,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:27:31,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.95s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:27:35,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:27:38,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.10s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:27:42,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:27:46,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:28:23,386 WARN L293 SmtUtils]: Spent 14.73s on a formula simplification. DAG size of input: 104 DAG size of output: 64 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 06:28:28,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:28:32,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:28:36,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:28:44,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:28:48,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:28:53,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:28:57,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:28:58,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:28:58,373 INFO L93 Difference]: Finished difference Result 1136 states and 1388 transitions. [2023-11-29 06:28:58,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-29 06:28:58,374 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 25 states have (on average 4.4) internal successors, (110), 23 states have internal predecessors, (110), 7 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 6 states have call predecessors, (24), 7 states have call successors, (24) Word has length 107 [2023-11-29 06:28:58,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:28:58,377 INFO L225 Difference]: With dead ends: 1136 [2023-11-29 06:28:58,377 INFO L226 Difference]: Without dead ends: 700 [2023-11-29 06:28:58,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 238 SyntacticMatches, 4 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 192.5s TimeCoverageRelationStatistics Valid=504, Invalid=1647, Unknown=11, NotChecked=0, Total=2162 [2023-11-29 06:28:58,379 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 531 mSDsluCounter, 850 mSDsCounter, 0 mSdLazyCounter, 1837 mSolverCounterSat, 91 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 138.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 952 SdHoareTripleChecker+Invalid, 1948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1837 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 140.4s IncrementalHoareTripleChecker+Time [2023-11-29 06:28:58,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 952 Invalid, 1948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1837 Invalid, 20 Unknown, 0 Unchecked, 140.4s Time] [2023-11-29 06:28:58,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2023-11-29 06:28:58,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 654. [2023-11-29 06:28:58,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 562 states have (on average 1.2117437722419928) internal successors, (681), 567 states have internal predecessors, (681), 59 states have call successors, (59), 32 states have call predecessors, (59), 32 states have return successors, (59), 54 states have call predecessors, (59), 59 states have call successors, (59) [2023-11-29 06:28:58,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 799 transitions. [2023-11-29 06:28:58,491 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 799 transitions. Word has length 107 [2023-11-29 06:28:58,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:28:58,492 INFO L495 AbstractCegarLoop]: Abstraction has 654 states and 799 transitions. [2023-11-29 06:28:58,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 25 states have (on average 4.4) internal successors, (110), 23 states have internal predecessors, (110), 7 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 6 states have call predecessors, (24), 7 states have call successors, (24) [2023-11-29 06:28:58,492 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 799 transitions. [2023-11-29 06:28:58,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-29 06:28:58,493 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:28:58,494 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:28:58,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0 [2023-11-29 06:28:58,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2023-11-29 06:28:58,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 06:28:58,895 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:28:58,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:28:58,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1057833327, now seen corresponding path program 1 times [2023-11-29 06:28:58,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:28:58,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [105185665] [2023-11-29 06:28:58,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:28:58,896 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:28:58,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:28:58,897 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 06:28:58,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2023-11-29 06:28:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:28:59,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 06:28:59,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:28:59,268 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-29 06:28:59,268 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:28:59,268 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:28:59,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [105185665] [2023-11-29 06:28:59,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [105185665] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:28:59,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:28:59,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:28:59,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26692801] [2023-11-29 06:28:59,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:28:59,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:28:59,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:28:59,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:28:59,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:28:59,270 INFO L87 Difference]: Start difference. First operand 654 states and 799 transitions. Second operand has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-29 06:28:59,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:28:59,952 INFO L93 Difference]: Finished difference Result 1142 states and 1380 transitions. [2023-11-29 06:28:59,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 06:28:59,952 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 107 [2023-11-29 06:28:59,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:28:59,955 INFO L225 Difference]: With dead ends: 1142 [2023-11-29 06:28:59,955 INFO L226 Difference]: Without dead ends: 483 [2023-11-29 06:28:59,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:28:59,957 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 7 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 06:28:59,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 500 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 06:28:59,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2023-11-29 06:29:00,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 467. [2023-11-29 06:29:00,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 397 states have (on average 1.1964735516372795) internal successors, (475), 400 states have internal predecessors, (475), 43 states have call successors, (43), 26 states have call predecessors, (43), 26 states have return successors, (43), 40 states have call predecessors, (43), 43 states have call successors, (43) [2023-11-29 06:29:00,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 561 transitions. [2023-11-29 06:29:00,044 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 561 transitions. Word has length 107 [2023-11-29 06:29:00,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:29:00,044 INFO L495 AbstractCegarLoop]: Abstraction has 467 states and 561 transitions. [2023-11-29 06:29:00,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-29 06:29:00,045 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 561 transitions. [2023-11-29 06:29:00,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-29 06:29:00,046 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:29:00,047 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:29:00,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Ended with exit code 0 [2023-11-29 06:29:00,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:29:00,249 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:29:00,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:29:00,249 INFO L85 PathProgramCache]: Analyzing trace with hash -418633943, now seen corresponding path program 1 times [2023-11-29 06:29:00,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:29:00,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1092981236] [2023-11-29 06:29:00,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:29:00,250 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:29:00,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:29:00,251 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 06:29:00,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c513ea88-946d-458f-b5bb-f31efd45a6b1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2023-11-29 06:29:00,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:29:00,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-29 06:29:00,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:29:00,644 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 14 treesize of output 10 [2023-11-29 06:29:00,883 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 0 case distinctions, treesize of input 36 treesize of output 29 [2023-11-29 06:29:01,191 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:29:01,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 46 treesize of output 37 [2023-11-29 06:29:05,537 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:29:05,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 60 [2023-11-29 06:29:14,107 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:29:14,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 70 treesize of output 66 [2023-11-29 06:29:14,598 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:29:14,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 81 treesize of output 66 [2023-11-29 06:29:14,928 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:29:14,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 72 treesize of output 77 [2023-11-29 06:29:15,642 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:29:15,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 78 treesize of output 30 [2023-11-29 06:29:15,734 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 205 proven. 18 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-11-29 06:29:15,734 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:29:16,306 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 15 proven. 18 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-29 06:29:16,306 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:29:16,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1092981236] [2023-11-29 06:29:16,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1092981236] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:29:16,306 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:29:16,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7] total 17 [2023-11-29 06:29:16,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377674631] [2023-11-29 06:29:16,307 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:29:16,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 06:29:16,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:29:16,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 06:29:16,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=190, Unknown=3, NotChecked=0, Total=272 [2023-11-29 06:29:16,309 INFO L87 Difference]: Start difference. First operand 467 states and 561 transitions. Second operand has 17 states, 15 states have (on average 6.8) internal successors, (102), 16 states have internal predecessors, (102), 8 states have call successors, (20), 5 states have call predecessors, (20), 7 states have return successors, (20), 7 states have call predecessors, (20), 8 states have call successors, (20) [2023-11-29 06:29:21,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:29:25,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:29:29,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:29:33,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:29:37,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:29:41,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:29:53,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:29:57,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:30:09,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:30:13,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:30:17,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:30:21,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:30:25,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:30:29,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:30:33,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:30:37,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:30:41,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:30:45,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:30:49,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:30:53,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:30:57,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:31:01,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:31:05,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:31:10,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:31:14,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:31:18,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:31:22,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]