./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-93.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_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-93.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 04241549eabde3ff2d586f095963e5dc8050ef781bb277f02f58fe6e784fa8ed --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:14:06,309 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:14:06,386 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 06:14:06,391 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:14:06,392 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:14:06,421 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:14:06,421 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:14:06,422 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:14:06,423 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:14:06,424 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:14:06,424 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:14:06,425 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:14:06,426 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:14:06,426 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:14:06,427 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:14:06,428 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:14:06,428 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:14:06,429 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:14:06,429 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:14:06,430 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:14:06,430 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:14:06,432 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:14:06,433 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:14:06,433 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:14:06,434 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:14:06,434 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:14:06,434 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:14:06,435 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:14:06,435 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:14:06,436 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:14:06,436 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:14:06,437 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:14:06,437 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:14:06,437 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:14:06,438 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:14:06,438 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:14:06,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:14:06,438 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:14:06,439 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:14:06,439 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:14:06,439 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:14:06,440 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:14:06,440 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_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 04241549eabde3ff2d586f095963e5dc8050ef781bb277f02f58fe6e784fa8ed [2023-11-29 06:14:06,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:14:06,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:14:06,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:14:06,729 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:14:06,729 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:14:06,731 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-93.i [2023-11-29 06:14:09,900 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:14:10,113 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:14:10,114 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-93.i [2023-11-29 06:14:10,125 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/data/a33fc5a93/97c466171b5b4db996022871c59531fa/FLAGedb08435c [2023-11-29 06:14:10,139 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/data/a33fc5a93/97c466171b5b4db996022871c59531fa [2023-11-29 06:14:10,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:14:10,144 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:14:10,145 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:14:10,145 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:14:10,150 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:14:10,151 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:14:10" (1/1) ... [2023-11-29 06:14:10,152 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@579cd743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:10, skipping insertion in model container [2023-11-29 06:14:10,152 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:14:10" (1/1) ... [2023-11-29 06:14:10,195 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:14:10,336 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_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-93.i[916,929] [2023-11-29 06:14:10,429 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:14:10,443 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:14:10,454 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_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-93.i[916,929] [2023-11-29 06:14:10,504 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:14:10,522 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:14:10,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:10 WrapperNode [2023-11-29 06:14:10,523 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:14:10,524 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:14:10,524 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:14:10,524 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:14:10,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:10" (1/1) ... [2023-11-29 06:14:10,547 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:10" (1/1) ... [2023-11-29 06:14:10,605 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 209 [2023-11-29 06:14:10,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:14:10,606 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:14:10,606 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:14:10,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:14:10,616 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:10" (1/1) ... [2023-11-29 06:14:10,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:10" (1/1) ... [2023-11-29 06:14:10,622 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:10" (1/1) ... [2023-11-29 06:14:10,659 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 06:14:10,659 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:10" (1/1) ... [2023-11-29 06:14:10,660 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:10" (1/1) ... [2023-11-29 06:14:10,681 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:10" (1/1) ... [2023-11-29 06:14:10,686 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:10" (1/1) ... [2023-11-29 06:14:10,692 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:10" (1/1) ... [2023-11-29 06:14:10,696 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:10" (1/1) ... [2023-11-29 06:14:10,704 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:14:10,705 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:14:10,705 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:14:10,705 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:14:10,706 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:10" (1/1) ... [2023-11-29 06:14:10,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:14:10,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:14:10,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:14:10,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:14:10,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:14:10,769 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 06:14:10,770 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 06:14:10,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:14:10,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:14:10,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:14:10,859 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:14:10,862 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:14:11,326 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:14:11,362 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:14:11,362 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 06:14:11,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:14:11 BoogieIcfgContainer [2023-11-29 06:14:11,363 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:14:11,366 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:14:11,366 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:14:11,369 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:14:11,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:14:10" (1/3) ... [2023-11-29 06:14:11,370 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3076fa62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:14:11, skipping insertion in model container [2023-11-29 06:14:11,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:10" (2/3) ... [2023-11-29 06:14:11,371 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3076fa62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:14:11, skipping insertion in model container [2023-11-29 06:14:11,371 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:14:11" (3/3) ... [2023-11-29 06:14:11,372 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-93.i [2023-11-29 06:14:11,387 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:14:11,387 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 06:14:11,438 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:14:11,446 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;@98d7618, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:14:11,446 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 06:14:11,451 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 53 states have (on average 1.5660377358490567) internal successors, (83), 54 states have internal predecessors, (83), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-29 06:14:11,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-29 06:14:11,465 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:11,466 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:14:11,467 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:14:11,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:11,473 INFO L85 PathProgramCache]: Analyzing trace with hash 569691707, now seen corresponding path program 1 times [2023-11-29 06:14:11,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:11,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326148650] [2023-11-29 06:14:11,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:11,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:11,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:14:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:11,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 06:14:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:11,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 06:14:11,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:11,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 06:14:11,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:11,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 06:14:11,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:11,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 06:14:11,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:11,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 06:14:11,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:11,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 06:14:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:11,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 06:14:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:11,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 06:14:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:11,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 06:14:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:11,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 06:14:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:11,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 06:14:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:11,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 06:14:11,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:11,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 06:14:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:11,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 06:14:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:11,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 06:14:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:11,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-29 06:14:11,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:11,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-29 06:14:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:11,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-29 06:14:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:11,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 06:14:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:11,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 06:14:11,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:11,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-29 06:14:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:11,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-29 06:14:11,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:11,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326148650] [2023-11-29 06:14:11,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326148650] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:11,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:11,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:14:11,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893393731] [2023-11-29 06:14:11,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:11,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 06:14:11,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:11,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 06:14:11,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:14:11,951 INFO L87 Difference]: Start difference. First operand has 79 states, 53 states have (on average 1.5660377358490567) internal successors, (83), 54 states have internal predecessors, (83), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-29 06:14:11,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:11,997 INFO L93 Difference]: Finished difference Result 153 states and 275 transitions. [2023-11-29 06:14:11,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 06:14:12,000 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 151 [2023-11-29 06:14:12,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:12,008 INFO L225 Difference]: With dead ends: 153 [2023-11-29 06:14:12,009 INFO L226 Difference]: Without dead ends: 75 [2023-11-29 06:14:12,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 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 06:14:12,016 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:12,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 114 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:14:12,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-29 06:14:12,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-11-29 06:14:12,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 50 states have (on average 1.42) internal successors, (71), 50 states have internal predecessors, (71), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-29 06:14:12,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 117 transitions. [2023-11-29 06:14:12,067 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 117 transitions. Word has length 151 [2023-11-29 06:14:12,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:12,068 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 117 transitions. [2023-11-29 06:14:12,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-29 06:14:12,069 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 117 transitions. [2023-11-29 06:14:12,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-29 06:14:12,088 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:12,088 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:14:12,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 06:14:12,089 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:14:12,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:12,090 INFO L85 PathProgramCache]: Analyzing trace with hash -598116619, now seen corresponding path program 1 times [2023-11-29 06:14:12,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:12,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328681625] [2023-11-29 06:14:12,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:12,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:12,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:14:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 06:14:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 06:14:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 06:14:12,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 06:14:12,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 06:14:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 06:14:12,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 06:14:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 06:14:12,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 06:14:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 06:14:12,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 06:14:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 06:14:12,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 06:14:12,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 06:14:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 06:14:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 06:14:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-29 06:14:12,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-29 06:14:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-29 06:14:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 06:14:12,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 06:14:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-29 06:14:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-29 06:14:12,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:12,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328681625] [2023-11-29 06:14:12,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328681625] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:12,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:12,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:14:12,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209466043] [2023-11-29 06:14:12,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:12,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:14:12,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:12,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:14:12,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:14:12,399 INFO L87 Difference]: Start difference. First operand 75 states and 117 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-29 06:14:12,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:12,503 INFO L93 Difference]: Finished difference Result 220 states and 344 transitions. [2023-11-29 06:14:12,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:14:12,504 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 151 [2023-11-29 06:14:12,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:12,508 INFO L225 Difference]: With dead ends: 220 [2023-11-29 06:14:12,509 INFO L226 Difference]: Without dead ends: 146 [2023-11-29 06:14:12,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:14:12,512 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 107 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:12,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 311 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:14:12,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2023-11-29 06:14:12,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 76. [2023-11-29 06:14:12,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 51 states have (on average 1.411764705882353) internal successors, (72), 51 states have internal predecessors, (72), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-29 06:14:12,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 118 transitions. [2023-11-29 06:14:12,534 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 118 transitions. Word has length 151 [2023-11-29 06:14:12,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:12,536 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 118 transitions. [2023-11-29 06:14:12,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-29 06:14:12,537 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2023-11-29 06:14:12,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-29 06:14:12,540 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:12,540 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:14:12,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 06:14:12,541 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:14:12,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:12,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1184922633, now seen corresponding path program 1 times [2023-11-29 06:14:12,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:12,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197065691] [2023-11-29 06:14:12,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:12,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:12,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:14:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 06:14:12,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 06:14:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 06:14:12,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 06:14:12,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 06:14:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 06:14:12,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 06:14:12,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 06:14:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 06:14:12,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 06:14:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 06:14:12,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 06:14:12,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 06:14:12,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 06:14:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 06:14:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 06:14:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-29 06:14:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-29 06:14:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-29 06:14:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 06:14:12,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 06:14:12,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-29 06:14:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-29 06:14:12,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:12,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197065691] [2023-11-29 06:14:12,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197065691] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:12,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:12,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:14:12,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869067053] [2023-11-29 06:14:12,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:12,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:14:12,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:12,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:14:12,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:14:12,947 INFO L87 Difference]: Start difference. First operand 76 states and 118 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-29 06:14:13,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:13,193 INFO L93 Difference]: Finished difference Result 226 states and 351 transitions. [2023-11-29 06:14:13,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 06:14:13,194 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 151 [2023-11-29 06:14:13,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:13,198 INFO L225 Difference]: With dead ends: 226 [2023-11-29 06:14:13,198 INFO L226 Difference]: Without dead ends: 151 [2023-11-29 06:14:13,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:14:13,201 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 139 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:13,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 550 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:14:13,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2023-11-29 06:14:13,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 120. [2023-11-29 06:14:13,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 71 states have (on average 1.3098591549295775) internal successors, (93), 71 states have internal predecessors, (93), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-29 06:14:13,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 185 transitions. [2023-11-29 06:14:13,229 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 185 transitions. Word has length 151 [2023-11-29 06:14:13,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:13,230 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 185 transitions. [2023-11-29 06:14:13,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-29 06:14:13,230 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 185 transitions. [2023-11-29 06:14:13,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-29 06:14:13,234 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:13,234 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:14:13,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 06:14:13,234 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:14:13,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:13,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1015513151, now seen corresponding path program 1 times [2023-11-29 06:14:13,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:13,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610015846] [2023-11-29 06:14:13,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:13,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:13,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:14:13,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:13,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 06:14:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:13,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 06:14:13,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:13,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 06:14:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:13,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 06:14:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:13,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 06:14:13,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:13,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 06:14:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:13,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 06:14:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:13,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 06:14:13,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:13,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 06:14:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:13,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 06:14:13,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:13,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 06:14:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:13,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 06:14:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:13,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 06:14:13,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:13,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 06:14:13,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:13,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 06:14:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:13,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 06:14:13,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:13,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-29 06:14:13,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:13,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-29 06:14:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:13,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-29 06:14:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:13,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 06:14:13,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:13,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 06:14:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:13,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-29 06:14:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:13,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-29 06:14:13,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:13,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610015846] [2023-11-29 06:14:13,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610015846] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:13,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:13,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:14:13,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879184517] [2023-11-29 06:14:13,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:13,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:14:13,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:13,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:14:13,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:14:13,562 INFO L87 Difference]: Start difference. First operand 120 states and 185 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-29 06:14:13,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:13,770 INFO L93 Difference]: Finished difference Result 227 states and 351 transitions. [2023-11-29 06:14:13,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:14:13,771 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 151 [2023-11-29 06:14:13,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:13,774 INFO L225 Difference]: With dead ends: 227 [2023-11-29 06:14:13,774 INFO L226 Difference]: Without dead ends: 151 [2023-11-29 06:14:13,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 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 06:14:13,776 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 72 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:13,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 313 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:14:13,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2023-11-29 06:14:13,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 143. [2023-11-29 06:14:13,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 94 states have (on average 1.3936170212765957) internal successors, (131), 94 states have internal predecessors, (131), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-29 06:14:13,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 223 transitions. [2023-11-29 06:14:13,806 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 223 transitions. Word has length 151 [2023-11-29 06:14:13,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:13,807 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 223 transitions. [2023-11-29 06:14:13,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-29 06:14:13,808 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 223 transitions. [2023-11-29 06:14:13,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-29 06:14:13,811 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:13,811 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:14:13,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 06:14:13,812 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:14:13,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:13,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1962617751, now seen corresponding path program 1 times [2023-11-29 06:14:13,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:13,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535839948] [2023-11-29 06:14:13,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:13,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:14,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:14:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:14,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 06:14:14,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:14,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 06:14:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:14,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 06:14:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:14,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 06:14:14,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:14,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 06:14:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:14,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 06:14:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:14,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 06:14:14,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:14,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 06:14:14,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:14,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 06:14:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:14,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 06:14:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:14,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 06:14:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:14,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 06:14:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:14,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 06:14:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:14,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 06:14:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:14,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 06:14:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:14,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 06:14:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:14,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-29 06:14:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:14,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-29 06:14:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:14,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-29 06:14:14,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:14,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 06:14:14,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:14,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 06:14:14,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:14,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-29 06:14:14,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:14,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-29 06:14:14,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:14,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535839948] [2023-11-29 06:14:14,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535839948] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:14,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:14,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:14:14,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817716118] [2023-11-29 06:14:14,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:14,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:14:14,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:14,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:14:14,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:14:14,334 INFO L87 Difference]: Start difference. First operand 143 states and 223 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-29 06:14:14,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:14,511 INFO L93 Difference]: Finished difference Result 365 states and 560 transitions. [2023-11-29 06:14:14,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:14:14,512 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 152 [2023-11-29 06:14:14,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:14,516 INFO L225 Difference]: With dead ends: 365 [2023-11-29 06:14:14,516 INFO L226 Difference]: Without dead ends: 273 [2023-11-29 06:14:14,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:14:14,518 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 161 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:14,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 243 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:14:14,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2023-11-29 06:14:14,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 214. [2023-11-29 06:14:14,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 156 states have (on average 1.4294871794871795) internal successors, (223), 157 states have internal predecessors, (223), 53 states have call successors, (53), 4 states have call predecessors, (53), 4 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2023-11-29 06:14:14,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 329 transitions. [2023-11-29 06:14:14,556 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 329 transitions. Word has length 152 [2023-11-29 06:14:14,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:14,557 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 329 transitions. [2023-11-29 06:14:14,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-29 06:14:14,558 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 329 transitions. [2023-11-29 06:14:14,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-29 06:14:14,560 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:14,561 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:14:14,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 06:14:14,561 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:14:14,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:14,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1052485867, now seen corresponding path program 1 times [2023-11-29 06:14:14,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:14,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578988194] [2023-11-29 06:14:14,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:14,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:14,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:14:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:14,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 06:14:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:14,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 06:14:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:14,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 06:14:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:14,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 06:14:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:14,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 06:14:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:14,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 06:14:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:14,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 06:14:14,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:14,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 06:14:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:14,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 06:14:15,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:15,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 06:14:15,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:15,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 06:14:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:15,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 06:14:15,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:15,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 06:14:15,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:15,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 06:14:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:15,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 06:14:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:15,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 06:14:15,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:15,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-29 06:14:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:15,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-29 06:14:15,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:15,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-29 06:14:15,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:15,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 06:14:15,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:15,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 06:14:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:15,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-29 06:14:15,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:15,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 21 proven. 45 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-29 06:14:15,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:15,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578988194] [2023-11-29 06:14:15,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578988194] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:14:15,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498834378] [2023-11-29 06:14:15,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:15,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:14:15,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:14:15,071 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:14:15,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 06:14:15,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:15,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 06:14:15,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:14:15,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 456 proven. 45 refuted. 0 times theorem prover too weak. 511 trivial. 0 not checked. [2023-11-29 06:14:15,592 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:14:15,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 21 proven. 45 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-29 06:14:15,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [498834378] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:14:15,884 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 06:14:15,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2023-11-29 06:14:15,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337453905] [2023-11-29 06:14:15,884 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 06:14:15,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:14:15,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:15,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:14:15,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:14:15,887 INFO L87 Difference]: Start difference. First operand 214 states and 329 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2023-11-29 06:14:16,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:16,199 INFO L93 Difference]: Finished difference Result 381 states and 576 transitions. [2023-11-29 06:14:16,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 06:14:16,200 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 152 [2023-11-29 06:14:16,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:16,204 INFO L225 Difference]: With dead ends: 381 [2023-11-29 06:14:16,204 INFO L226 Difference]: Without dead ends: 224 [2023-11-29 06:14:16,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 345 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-29 06:14:16,206 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 112 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:16,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 229 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:14:16,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2023-11-29 06:14:16,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 216. [2023-11-29 06:14:16,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 156 states have (on average 1.3653846153846154) internal successors, (213), 157 states have internal predecessors, (213), 53 states have call successors, (53), 6 states have call predecessors, (53), 6 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2023-11-29 06:14:16,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 319 transitions. [2023-11-29 06:14:16,247 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 319 transitions. Word has length 152 [2023-11-29 06:14:16,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:16,248 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 319 transitions. [2023-11-29 06:14:16,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2023-11-29 06:14:16,249 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 319 transitions. [2023-11-29 06:14:16,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-29 06:14:16,251 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:16,251 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:14:16,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 06:14:16,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:14:16,452 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:14:16,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:16,453 INFO L85 PathProgramCache]: Analyzing trace with hash -374269849, now seen corresponding path program 1 times [2023-11-29 06:14:16,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:16,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931723999] [2023-11-29 06:14:16,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:16,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:16,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:16,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:14:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:16,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 06:14:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:16,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 06:14:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:16,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 06:14:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:16,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 06:14:16,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:16,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 06:14:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:16,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 06:14:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:16,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 06:14:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:16,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 06:14:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:16,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 06:14:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:16,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 06:14:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:16,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 06:14:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:16,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 06:14:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:16,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 06:14:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:16,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 06:14:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:16,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 06:14:16,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:16,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 06:14:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:16,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-29 06:14:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:16,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-29 06:14:16,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:16,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-29 06:14:16,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:16,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 06:14:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:16,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 06:14:16,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:16,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-29 06:14:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:16,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-29 06:14:16,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:16,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931723999] [2023-11-29 06:14:16,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931723999] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:16,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:16,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:14:16,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537044500] [2023-11-29 06:14:16,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:16,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:14:16,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:16,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:14:16,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:14:16,610 INFO L87 Difference]: Start difference. First operand 216 states and 319 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-29 06:14:16,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:16,693 INFO L93 Difference]: Finished difference Result 461 states and 687 transitions. [2023-11-29 06:14:16,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:14:16,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 152 [2023-11-29 06:14:16,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:16,698 INFO L225 Difference]: With dead ends: 461 [2023-11-29 06:14:16,698 INFO L226 Difference]: Without dead ends: 314 [2023-11-29 06:14:16,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:14:16,700 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 105 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:16,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 286 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:14:16,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2023-11-29 06:14:16,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 312. [2023-11-29 06:14:16,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 227 states have (on average 1.3568281938325992) internal successors, (308), 228 states have internal predecessors, (308), 76 states have call successors, (76), 8 states have call predecessors, (76), 8 states have return successors, (76), 75 states have call predecessors, (76), 76 states have call successors, (76) [2023-11-29 06:14:16,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 460 transitions. [2023-11-29 06:14:16,756 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 460 transitions. Word has length 152 [2023-11-29 06:14:16,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:16,757 INFO L495 AbstractCegarLoop]: Abstraction has 312 states and 460 transitions. [2023-11-29 06:14:16,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-29 06:14:16,757 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 460 transitions. [2023-11-29 06:14:16,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-29 06:14:16,759 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:16,759 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:14:16,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 06:14:16,760 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:14:16,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:16,760 INFO L85 PathProgramCache]: Analyzing trace with hash 326794729, now seen corresponding path program 1 times [2023-11-29 06:14:16,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:16,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557986702] [2023-11-29 06:14:16,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:16,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:16,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:18,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:14:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:18,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 06:14:18,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:18,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 06:14:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:18,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 06:14:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:18,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 06:14:18,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:18,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 06:14:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:18,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 06:14:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:18,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 06:14:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:18,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 06:14:18,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:18,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 06:14:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:18,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 06:14:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:18,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 06:14:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:18,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 06:14:18,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:18,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 06:14:18,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:18,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 06:14:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:18,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 06:14:18,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:18,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 06:14:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:18,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-29 06:14:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:18,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-29 06:14:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:18,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-29 06:14:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:18,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 06:14:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:18,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 06:14:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:18,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-29 06:14:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:18,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-29 06:14:18,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:18,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557986702] [2023-11-29 06:14:18,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557986702] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:18,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:18,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:14:18,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396262466] [2023-11-29 06:14:18,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:18,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:14:18,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:18,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:14:18,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:14:18,212 INFO L87 Difference]: Start difference. First operand 312 states and 460 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-29 06:14:18,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:18,837 INFO L93 Difference]: Finished difference Result 940 states and 1380 transitions. [2023-11-29 06:14:18,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:14:18,838 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 152 [2023-11-29 06:14:18,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:18,843 INFO L225 Difference]: With dead ends: 940 [2023-11-29 06:14:18,844 INFO L226 Difference]: Without dead ends: 707 [2023-11-29 06:14:18,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:14:18,846 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 200 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:18,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 395 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 06:14:18,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2023-11-29 06:14:18,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 523. [2023-11-29 06:14:18,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 380 states have (on average 1.2947368421052632) internal successors, (492), 382 states have internal predecessors, (492), 129 states have call successors, (129), 13 states have call predecessors, (129), 13 states have return successors, (129), 127 states have call predecessors, (129), 129 states have call successors, (129) [2023-11-29 06:14:18,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 750 transitions. [2023-11-29 06:14:18,925 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 750 transitions. Word has length 152 [2023-11-29 06:14:18,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:18,926 INFO L495 AbstractCegarLoop]: Abstraction has 523 states and 750 transitions. [2023-11-29 06:14:18,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-29 06:14:18,926 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 750 transitions. [2023-11-29 06:14:18,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-29 06:14:18,928 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:18,928 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:14:18,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 06:14:18,928 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:14:18,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:18,929 INFO L85 PathProgramCache]: Analyzing trace with hash -353263641, now seen corresponding path program 1 times [2023-11-29 06:14:18,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:18,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517088853] [2023-11-29 06:14:18,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:18,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:19,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:14:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:19,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 06:14:19,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:19,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 06:14:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:19,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 06:14:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:19,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 06:14:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:19,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 06:14:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:19,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 06:14:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:19,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 06:14:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:19,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 06:14:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:19,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 06:14:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:19,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 06:14:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:19,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 06:14:19,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:19,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 06:14:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:19,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 06:14:19,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:19,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 06:14:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:19,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 06:14:19,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:19,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 06:14:19,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:19,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-29 06:14:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:19,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-29 06:14:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:19,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-29 06:14:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:19,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 06:14:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:19,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 06:14:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:19,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-29 06:14:19,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:19,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 45 proven. 21 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-29 06:14:19,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:19,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517088853] [2023-11-29 06:14:19,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517088853] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:14:19,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874512638] [2023-11-29 06:14:19,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:19,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:14:19,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:14:19,485 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:14:19,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 06:14:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:19,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 06:14:19,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:14:20,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 472 proven. 21 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2023-11-29 06:14:20,157 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:14:20,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 45 proven. 21 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-29 06:14:20,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874512638] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:14:20,511 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 06:14:20,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 19 [2023-11-29 06:14:20,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888444304] [2023-11-29 06:14:20,511 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 06:14:20,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-29 06:14:20,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:20,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-29 06:14:20,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2023-11-29 06:14:20,514 INFO L87 Difference]: Start difference. First operand 523 states and 750 transitions. Second operand has 19 states, 19 states have (on average 4.842105263157895) internal successors, (92), 19 states have internal predecessors, (92), 6 states have call successors, (69), 3 states have call predecessors, (69), 6 states have return successors, (69), 6 states have call predecessors, (69), 6 states have call successors, (69) [2023-11-29 06:14:21,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:21,763 INFO L93 Difference]: Finished difference Result 1539 states and 2199 transitions. [2023-11-29 06:14:21,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-29 06:14:21,764 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.842105263157895) internal successors, (92), 19 states have internal predecessors, (92), 6 states have call successors, (69), 3 states have call predecessors, (69), 6 states have return successors, (69), 6 states have call predecessors, (69), 6 states have call successors, (69) Word has length 152 [2023-11-29 06:14:21,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:21,774 INFO L225 Difference]: With dead ends: 1539 [2023-11-29 06:14:21,774 INFO L226 Difference]: Without dead ends: 1071 [2023-11-29 06:14:21,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=251, Invalid=805, Unknown=0, NotChecked=0, Total=1056 [2023-11-29 06:14:21,777 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 544 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 566 SdHoareTripleChecker+Valid, 699 SdHoareTripleChecker+Invalid, 874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:21,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [566 Valid, 699 Invalid, 874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 06:14:21,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2023-11-29 06:14:21,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 527. [2023-11-29 06:14:21,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 383 states have (on average 1.2898172323759791) internal successors, (494), 385 states have internal predecessors, (494), 129 states have call successors, (129), 14 states have call predecessors, (129), 14 states have return successors, (129), 127 states have call predecessors, (129), 129 states have call successors, (129) [2023-11-29 06:14:21,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 752 transitions. [2023-11-29 06:14:21,936 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 752 transitions. Word has length 152 [2023-11-29 06:14:21,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:21,937 INFO L495 AbstractCegarLoop]: Abstraction has 527 states and 752 transitions. [2023-11-29 06:14:21,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.842105263157895) internal successors, (92), 19 states have internal predecessors, (92), 6 states have call successors, (69), 3 states have call predecessors, (69), 6 states have return successors, (69), 6 states have call predecessors, (69), 6 states have call successors, (69) [2023-11-29 06:14:21,937 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 752 transitions. [2023-11-29 06:14:21,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-29 06:14:21,940 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:21,940 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:14:21,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 06:14:22,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:14:22,141 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:14:22,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:22,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1141427227, now seen corresponding path program 1 times [2023-11-29 06:14:22,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:22,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829674625] [2023-11-29 06:14:22,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:22,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:22,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:14:22,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:22,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 06:14:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:22,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 06:14:22,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:22,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 06:14:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:22,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 06:14:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:22,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 06:14:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:22,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 06:14:22,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:22,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 06:14:22,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:22,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 06:14:22,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:22,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 06:14:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:22,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 06:14:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:22,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 06:14:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:22,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 06:14:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:22,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 06:14:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:22,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 06:14:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:22,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 06:14:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:22,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 06:14:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:22,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-29 06:14:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:22,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-29 06:14:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:22,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-29 06:14:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:22,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 06:14:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:22,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 06:14:22,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:22,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-29 06:14:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:22,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 15 proven. 51 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-29 06:14:22,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:22,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829674625] [2023-11-29 06:14:22,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829674625] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:14:22,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272196769] [2023-11-29 06:14:22,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:22,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:14:22,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:14:22,681 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:14:22,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 06:14:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:22,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 06:14:22,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:14:23,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 372 proven. 51 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2023-11-29 06:14:23,305 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:14:23,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 15 proven. 51 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-29 06:14:23,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1272196769] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:14:23,562 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 06:14:23,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 18 [2023-11-29 06:14:23,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441300419] [2023-11-29 06:14:23,562 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 06:14:23,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-29 06:14:23,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:23,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-29 06:14:23,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2023-11-29 06:14:23,565 INFO L87 Difference]: Start difference. First operand 527 states and 752 transitions. Second operand has 18 states, 18 states have (on average 5.0) internal successors, (90), 18 states have internal predecessors, (90), 5 states have call successors, (69), 3 states have call predecessors, (69), 6 states have return successors, (69), 5 states have call predecessors, (69), 5 states have call successors, (69) [2023-11-29 06:14:24,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:24,536 INFO L93 Difference]: Finished difference Result 1111 states and 1557 transitions. [2023-11-29 06:14:24,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-29 06:14:24,537 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.0) internal successors, (90), 18 states have internal predecessors, (90), 5 states have call successors, (69), 3 states have call predecessors, (69), 6 states have return successors, (69), 5 states have call predecessors, (69), 5 states have call successors, (69) Word has length 153 [2023-11-29 06:14:24,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:24,543 INFO L225 Difference]: With dead ends: 1111 [2023-11-29 06:14:24,543 INFO L226 Difference]: Without dead ends: 643 [2023-11-29 06:14:24,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=323, Invalid=1009, Unknown=0, NotChecked=0, Total=1332 [2023-11-29 06:14:24,546 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 569 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 249 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 249 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:24,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 518 Invalid, 751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [249 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 06:14:24,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2023-11-29 06:14:24,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 611. [2023-11-29 06:14:24,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 440 states have (on average 1.25) internal successors, (550), 446 states have internal predecessors, (550), 149 states have call successors, (149), 21 states have call predecessors, (149), 21 states have return successors, (149), 143 states have call predecessors, (149), 149 states have call successors, (149) [2023-11-29 06:14:24,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 848 transitions. [2023-11-29 06:14:24,654 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 848 transitions. Word has length 153 [2023-11-29 06:14:24,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:24,655 INFO L495 AbstractCegarLoop]: Abstraction has 611 states and 848 transitions. [2023-11-29 06:14:24,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.0) internal successors, (90), 18 states have internal predecessors, (90), 5 states have call successors, (69), 3 states have call predecessors, (69), 6 states have return successors, (69), 5 states have call predecessors, (69), 5 states have call successors, (69) [2023-11-29 06:14:24,655 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 848 transitions. [2023-11-29 06:14:24,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-29 06:14:24,657 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:24,657 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:14:24,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 06:14:24,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 06:14:24,858 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:14:24,858 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:24,858 INFO L85 PathProgramCache]: Analyzing trace with hash -547516515, now seen corresponding path program 1 times [2023-11-29 06:14:24,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:24,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900203006] [2023-11-29 06:14:24,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:24,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:14:25,031 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:14:25,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:14:25,259 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:14:25,260 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 06:14:25,261 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 06:14:25,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 06:14:25,265 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:14:25,268 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 06:14:25,354 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 06:14:25,357 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated [2023-11-29 06:14:25,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:14:25 BoogieIcfgContainer [2023-11-29 06:14:25,383 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 06:14:25,383 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:14:25,384 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:14:25,384 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:14:25,384 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:14:11" (3/4) ... [2023-11-29 06:14:25,386 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 06:14:25,387 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:14:25,388 INFO L158 Benchmark]: Toolchain (without parser) took 15244.00ms. Allocated memory was 151.0MB in the beginning and 318.8MB in the end (delta: 167.8MB). Free memory was 113.8MB in the beginning and 227.7MB in the end (delta: -113.9MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2023-11-29 06:14:25,388 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 151.0MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:14:25,388 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.39ms. Allocated memory is still 151.0MB. Free memory was 113.8MB in the beginning and 97.1MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 06:14:25,388 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.28ms. Allocated memory is still 151.0MB. Free memory was 97.1MB in the beginning and 91.0MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 06:14:25,389 INFO L158 Benchmark]: Boogie Preprocessor took 98.82ms. Allocated memory is still 151.0MB. Free memory was 91.0MB in the beginning and 79.6MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 06:14:25,389 INFO L158 Benchmark]: RCFGBuilder took 657.67ms. Allocated memory is still 151.0MB. Free memory was 79.6MB in the beginning and 102.0MB in the end (delta: -22.4MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2023-11-29 06:14:25,389 INFO L158 Benchmark]: TraceAbstraction took 14017.35ms. Allocated memory was 151.0MB in the beginning and 318.8MB in the end (delta: 167.8MB). Free memory was 101.3MB in the beginning and 227.7MB in the end (delta: -126.4MB). Peak memory consumption was 139.9MB. Max. memory is 16.1GB. [2023-11-29 06:14:25,390 INFO L158 Benchmark]: Witness Printer took 3.59ms. Allocated memory is still 318.8MB. Free memory is still 227.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:14:25,391 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 151.0MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 378.39ms. Allocated memory is still 151.0MB. Free memory was 113.8MB in the beginning and 97.1MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.28ms. Allocated memory is still 151.0MB. Free memory was 97.1MB in the beginning and 91.0MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.82ms. Allocated memory is still 151.0MB. Free memory was 91.0MB in the beginning and 79.6MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 657.67ms. Allocated memory is still 151.0MB. Free memory was 79.6MB in the beginning and 102.0MB in the end (delta: -22.4MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * TraceAbstraction took 14017.35ms. Allocated memory was 151.0MB in the beginning and 318.8MB in the end (delta: 167.8MB). Free memory was 101.3MB in the beginning and 227.7MB in the end (delta: -126.4MB). Peak memory consumption was 139.9MB. Max. memory is 16.1GB. * Witness Printer took 3.59ms. Allocated memory is still 318.8MB. Free memory is still 227.7MB. 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~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short19 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 187, overapproximation of someBinaryFLOATComparisonOperation at line 187, overapproximation of bitwiseOr at line 57. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -256; [L23] unsigned char var_1_4 = 1; [L24] double var_1_7 = 31.25; [L25] double var_1_8 = 7.6; [L26] double var_1_9 = 8.9; [L27] double var_1_10 = 256.8; [L28] signed short int var_1_11 = 0; [L29] unsigned long int var_1_15 = 64; [L30] signed short int var_1_18 = 16; [L31] signed short int var_1_19 = 22006; [L32] unsigned char var_1_21 = 1; [L33] unsigned char var_1_22 = 0; [L34] float var_1_23 = 2.25; [L35] signed long int var_1_24 = -1; [L36] unsigned char var_1_26 = 32; [L37] unsigned char var_1_27 = 200; [L38] unsigned char var_1_28 = 5; [L39] unsigned char var_1_29 = 64; [L40] unsigned char var_1_30 = 64; [L41] unsigned char var_1_31 = 32; [L42] unsigned char var_1_32 = 5; [L43] signed char var_1_33 = 2; [L44] signed char var_1_34 = 32; [L45] unsigned short int var_1_35 = 16; [L46] float var_1_37 = 63.5; [L47] signed long int last_1_var_1_24 = -1; [L48] unsigned char last_1_var_1_26 = 32; [L49] signed char last_1_var_1_33 = 2; [L50] unsigned short int last_1_var_1_35 = 16; [L191] isInitial = 1 [L192] FCALL initially() [L193] COND TRUE 1 [L194] CALL updateLastVariables() [L181] last_1_var_1_24 = var_1_24 [L182] last_1_var_1_26 = var_1_26 [L183] last_1_var_1_33 = var_1_33 [L184] last_1_var_1_35 = var_1_35 [L194] RET updateLastVariables() [L195] CALL updateVariables() [L143] var_1_4 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=1284/5, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=22006, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_7=125/4, var_1_8=38/5, var_1_9=89/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=1284/5, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=22006, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_7=125/4, var_1_8=38/5, var_1_9=89/10] [L144] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=1284/5, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=22006, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_7=125/4, var_1_8=38/5, var_1_9=89/10] [L145] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=1284/5, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=22006, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=38/5, var_1_9=89/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=1284/5, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=22006, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=38/5, var_1_9=89/10] [L145] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=1284/5, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=22006, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=38/5, var_1_9=89/10] [L146] var_1_8 = __VERIFIER_nondet_double() [L147] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=1284/5, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=22006, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_9=89/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=1284/5, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=22006, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_9=89/10] [L147] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=1284/5, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=22006, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_9=89/10] [L148] var_1_9 = __VERIFIER_nondet_double() [L149] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=1284/5, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=22006, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=1284/5, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=22006, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L149] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=1284/5, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=22006, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L150] var_1_10 = __VERIFIER_nondet_double() [L151] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=22006, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=22006, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L151] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=22006, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L152] var_1_19 = __VERIFIER_nondet_short() [L153] CALL assume_abort_if_not(var_1_19 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L153] RET assume_abort_if_not(var_1_19 >= 16383) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L154] CALL assume_abort_if_not(var_1_19 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L154] RET assume_abort_if_not(var_1_19 <= 32766) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L155] var_1_22 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_22 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L156] RET assume_abort_if_not(var_1_22 >= 1) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L157] CALL assume_abort_if_not(var_1_22 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L157] RET assume_abort_if_not(var_1_22 <= 1) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L158] var_1_27 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_27 >= 190) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L159] RET assume_abort_if_not(var_1_27 >= 190) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L160] CALL assume_abort_if_not(var_1_27 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L160] RET assume_abort_if_not(var_1_27 <= 254) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L161] var_1_28 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L162] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L163] CALL assume_abort_if_not(var_1_28 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L163] RET assume_abort_if_not(var_1_28 <= 63) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L164] var_1_29 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_29 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L165] RET assume_abort_if_not(var_1_29 >= 63) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L166] CALL assume_abort_if_not(var_1_29 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L166] RET assume_abort_if_not(var_1_29 <= 127) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L167] var_1_30 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_30 >= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L168] RET assume_abort_if_not(var_1_30 >= 31) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L169] CALL assume_abort_if_not(var_1_30 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L169] RET assume_abort_if_not(var_1_30 <= 64) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L170] var_1_31 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_31 >= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L171] RET assume_abort_if_not(var_1_31 >= 32) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L172] CALL assume_abort_if_not(var_1_31 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L172] RET assume_abort_if_not(var_1_31 <= 63) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L173] var_1_32 = __VERIFIER_nondet_uchar() [L174] CALL assume_abort_if_not(var_1_32 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L174] RET assume_abort_if_not(var_1_32 >= 0) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L175] CALL assume_abort_if_not(var_1_32 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=63, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=63, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L175] RET assume_abort_if_not(var_1_32 <= 63) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=63, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L176] var_1_34 = __VERIFIER_nondet_char() [L177] CALL assume_abort_if_not(var_1_34 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=63, var_1_33=2, var_1_34=1, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=63, var_1_33=2, var_1_34=1, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L177] RET assume_abort_if_not(var_1_34 >= 0) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=63, var_1_33=2, var_1_34=1, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L178] CALL assume_abort_if_not(var_1_34 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=63, var_1_33=2, var_1_34=1, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=63, var_1_33=2, var_1_34=1, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L178] RET assume_abort_if_not(var_1_34 <= 63) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=63, var_1_33=2, var_1_34=1, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L195] RET updateVariables() [L196] CALL step() [L54] signed long int stepLocal_6 = last_1_var_1_24; [L55] unsigned char stepLocal_5 = var_1_30; [L56] signed long int stepLocal_4 = last_1_var_1_24; VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, stepLocal_4=-1, stepLocal_5=31, stepLocal_6=-1, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=63, var_1_33=2, var_1_34=1, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L57] EXPR last_1_var_1_35 | 100000000 VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, stepLocal_4=-1, stepLocal_5=31, stepLocal_6=-1, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=63, var_1_33=2, var_1_34=1, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L57] COND TRUE stepLocal_6 < (last_1_var_1_35 | 100000000) [L58] COND TRUE stepLocal_5 > last_1_var_1_35 VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, stepLocal_4=-1, stepLocal_5=31, stepLocal_6=-1, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=63, var_1_33=2, var_1_34=1, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L59] COND FALSE !(var_1_19 < stepLocal_4) [L62] var_1_35 = (((((var_1_34 + ((((var_1_28) > (32)) ? (var_1_28) : (32))))) > (((((last_1_var_1_33) < 0 ) ? -(last_1_var_1_33) : (last_1_var_1_33))))) ? ((var_1_34 + ((((var_1_28) > (32)) ? (var_1_28) : (32))))) : (((((last_1_var_1_33) < 0 ) ? -(last_1_var_1_33) : (last_1_var_1_33)))))) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, stepLocal_4=-1, stepLocal_5=31, stepLocal_6=-1, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=63, var_1_33=2, var_1_34=1, var_1_35=33, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L74] COND TRUE \read(var_1_4) [L75] var_1_21 = (! var_1_22) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, stepLocal_4=-1, stepLocal_5=31, stepLocal_6=-1, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=0, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=63, var_1_33=2, var_1_34=1, var_1_35=33, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L77] COND TRUE ! var_1_21 [L78] var_1_23 = var_1_8 VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, stepLocal_4=-1, stepLocal_5=31, stepLocal_6=-1, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=0, var_1_22=1, var_1_23=100000006, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=63, var_1_33=2, var_1_34=1, var_1_35=33, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=100000006] [L80] COND TRUE (var_1_8 + 199.375) <= 10.5 [L81] var_1_26 = ((var_1_27 - var_1_28) - (var_1_29 - 1)) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, stepLocal_4=-1, stepLocal_5=31, stepLocal_6=-1, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=0, var_1_22=1, var_1_23=100000006, var_1_24=-1, var_1_26=161, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=63, var_1_33=2, var_1_34=1, var_1_35=33, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=100000006] [L89] COND TRUE \read(var_1_22) [L90] var_1_33 = ((var_1_28 - var_1_32) + (var_1_31 - var_1_34)) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, stepLocal_4=-1, stepLocal_5=31, stepLocal_6=-1, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=0, var_1_22=1, var_1_23=100000006, var_1_24=-1, var_1_26=161, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=63, var_1_33=-1, var_1_34=1, var_1_35=33, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=100000006] [L92] var_1_37 = var_1_10 VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, stepLocal_4=-1, stepLocal_5=31, stepLocal_6=-1, var_1_10=100000005, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=0, var_1_22=1, var_1_23=100000006, var_1_24=-1, var_1_26=161, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=63, var_1_33=-1, var_1_34=1, var_1_35=33, var_1_37=100000005, var_1_4=1, var_1_7=125/4, var_1_8=100000006] [L93] COND FALSE !((- var_1_8) != var_1_23) [L96] var_1_11 = ((((var_1_26) < ((var_1_26 + var_1_26))) ? (var_1_26) : ((var_1_26 + var_1_26)))) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, stepLocal_4=-1, stepLocal_5=31, stepLocal_6=-1, var_1_10=100000005, var_1_11=161, var_1_15=64, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=0, var_1_22=1, var_1_23=100000006, var_1_24=-1, var_1_26=161, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=63, var_1_33=-1, var_1_34=1, var_1_35=33, var_1_37=100000005, var_1_4=1, var_1_7=125/4, var_1_8=100000006] [L98] COND TRUE var_1_26 == var_1_11 [L99] var_1_15 = ((((var_1_26) > (var_1_35)) ? (var_1_26) : (var_1_35))) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, stepLocal_4=-1, stepLocal_5=31, stepLocal_6=-1, var_1_10=100000005, var_1_11=161, var_1_15=161, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=0, var_1_22=1, var_1_23=100000006, var_1_24=-1, var_1_26=161, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=63, var_1_33=-1, var_1_34=1, var_1_35=33, var_1_37=100000005, var_1_4=1, var_1_7=125/4, var_1_8=100000006] [L107] COND FALSE !((var_1_11 == var_1_15) && var_1_21) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, stepLocal_4=-1, stepLocal_5=31, stepLocal_6=-1, var_1_10=100000005, var_1_11=161, var_1_15=161, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=0, var_1_22=1, var_1_23=100000006, var_1_24=-1, var_1_26=161, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=63, var_1_33=-1, var_1_34=1, var_1_35=33, var_1_37=100000005, var_1_4=1, var_1_7=125/4, var_1_8=100000006] [L110] signed short int stepLocal_3 = var_1_11; VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, stepLocal_3=161, stepLocal_4=-1, stepLocal_5=31, stepLocal_6=-1, var_1_10=100000005, var_1_11=161, var_1_15=161, var_1_18=16, var_1_19=32766, var_1_1=-256, var_1_21=0, var_1_22=1, var_1_23=100000006, var_1_24=-1, var_1_26=161, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=63, var_1_33=-1, var_1_34=1, var_1_35=33, var_1_37=100000005, var_1_4=1, var_1_7=125/4, var_1_8=100000006] [L111] COND TRUE var_1_1 != stepLocal_3 [L112] var_1_18 = (8 - ((((10) > ((var_1_19 - var_1_26))) ? (10) : ((var_1_19 - var_1_26))))) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, stepLocal_3=161, stepLocal_4=-1, stepLocal_5=31, stepLocal_6=-1, var_1_10=100000005, var_1_11=161, var_1_15=161, var_1_18=-32597, var_1_19=32766, var_1_1=-256, var_1_21=0, var_1_22=1, var_1_23=100000006, var_1_24=-1, var_1_26=161, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=63, var_1_33=-1, var_1_34=1, var_1_35=33, var_1_37=100000005, var_1_4=1, var_1_7=125/4, var_1_8=100000006] [L114] COND FALSE !(var_1_18 != var_1_18) [L123] var_1_24 = var_1_26 VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, stepLocal_3=161, stepLocal_4=-1, stepLocal_5=31, stepLocal_6=-1, var_1_10=100000005, var_1_11=161, var_1_15=161, var_1_18=-32597, var_1_19=32766, var_1_1=-256, var_1_21=0, var_1_22=1, var_1_23=100000006, var_1_24=161, var_1_26=161, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=63, var_1_33=-1, var_1_34=1, var_1_35=33, var_1_37=100000005, var_1_4=1, var_1_7=125/4, var_1_8=100000006] [L125] signed short int stepLocal_2 = var_1_11; [L126] signed long int stepLocal_1 = var_1_1; [L127] unsigned short int stepLocal_0 = var_1_35; VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, stepLocal_0=33, stepLocal_1=-256, stepLocal_2=161, stepLocal_3=161, stepLocal_4=-1, stepLocal_5=31, stepLocal_6=-1, var_1_10=100000005, var_1_11=161, var_1_15=161, var_1_18=-32597, var_1_19=32766, var_1_1=-256, var_1_21=0, var_1_22=1, var_1_23=100000006, var_1_24=161, var_1_26=161, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=63, var_1_33=-1, var_1_34=1, var_1_35=33, var_1_37=100000005, var_1_4=1, var_1_7=125/4, var_1_8=100000006] [L128] COND FALSE !(stepLocal_0 == var_1_1) [L139] var_1_7 = var_1_10 VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, stepLocal_0=33, stepLocal_1=-256, stepLocal_2=161, stepLocal_3=161, stepLocal_4=-1, stepLocal_5=31, stepLocal_6=-1, var_1_10=100000005, var_1_11=161, var_1_15=161, var_1_18=-32597, var_1_19=32766, var_1_1=-256, var_1_21=0, var_1_22=1, var_1_23=100000006, var_1_24=161, var_1_26=161, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=63, var_1_33=-1, var_1_34=1, var_1_35=33, var_1_37=100000005, var_1_4=1, var_1_7=100000005, var_1_8=100000006] [L196] RET step() [L197] CALL, EXPR property() [L187] EXPR ((((((((((((var_1_11 == var_1_15) && var_1_21) ? (var_1_1 == ((signed long int) ((((var_1_33) < (var_1_33)) ? (var_1_33) : (var_1_33))))) : 1) && ((var_1_35 == var_1_1) ? ((var_1_11 < var_1_1) ? (var_1_7 == ((double) ((var_1_8 - var_1_9) + var_1_10))) : ((var_1_1 >= 25) ? (var_1_7 == ((double) (((((var_1_8 - var_1_9)) > (var_1_10)) ? ((var_1_8 - var_1_9)) : (var_1_10))))) : (var_1_7 == ((double) var_1_10)))) : (var_1_7 == ((double) var_1_10)))) && (((- var_1_8) != var_1_23) ? (var_1_11 == ((signed short int) (500 + var_1_26))) : (var_1_11 == ((signed short int) ((((var_1_26) < ((var_1_26 + var_1_26))) ? (var_1_26) : ((var_1_26 + var_1_26)))))))) && ((var_1_26 == var_1_11) ? (var_1_15 == ((unsigned long int) ((((var_1_26) > (var_1_35)) ? (var_1_26) : (var_1_35))))) : ((var_1_9 < var_1_37) ? (var_1_15 == ((unsigned long int) var_1_35)) : (var_1_15 == ((unsigned long int) var_1_35))))) && ((var_1_1 != var_1_11) ? (var_1_18 == ((signed short int) (8 - ((((10) > ((var_1_19 - var_1_26))) ? (10) : ((var_1_19 - var_1_26))))))) : 1)) && (var_1_4 ? (var_1_21 == ((unsigned char) (! var_1_22))) : 1)) && ((! var_1_21) ? (var_1_23 == ((float) var_1_8)) : 1)) && ((var_1_18 != var_1_18) ? (((1u ^ var_1_19) > (- var_1_35)) ? (var_1_24 == ((signed long int) var_1_26)) : (var_1_22 ? (var_1_24 == ((signed long int) last_1_var_1_24)) : 1)) : (var_1_24 == ((signed long int) var_1_26)))) && (((var_1_8 + 199.375) <= 10.5) ? (var_1_26 == ((unsigned char) ((var_1_27 - var_1_28) - (var_1_29 - 1)))) : (var_1_21 ? (var_1_26 == ((unsigned char) ((var_1_29 - var_1_28) + ((var_1_30 + var_1_31) - var_1_32)))) : (var_1_26 == ((unsigned char) var_1_28))))) && (var_1_22 ? (var_1_33 == ((signed char) ((var_1_28 - var_1_32) + (var_1_31 - var_1_34)))) : 1)) && ((last_1_var_1_24 < (last_1_var_1_35 | 100000000)) ? ((var_1_30 > last_1_var_1_35) ? ((var_1_19 < last_1_var_1_24) ? (var_1_35 == ((unsigned short int) ((var_1_29 + var_1_28) + var_1_31))) : (var_1_35 == ((unsigned short int) (((((var_1_34 + ((((var_1_28) > (32)) ? (var_1_28) : (32))))) > (((((last_1_var_1_33) < 0 ) ? -(last_1_var_1_33) : (last_1_var_1_33))))) ? ((var_1_34 + ((((var_1_28) > (32)) ? (var_1_28) : (32))))) : (((((last_1_var_1_33) < 0 ) ? -(last_1_var_1_33) : (last_1_var_1_33))))))))) : (var_1_35 == ((unsigned short int) ((((var_1_32) > (((((var_1_31) > (var_1_28)) ? (var_1_31) : (var_1_28))))) ? (var_1_32) : (((((var_1_31) > (var_1_28)) ? (var_1_31) : (var_1_28))))))))) : ((var_1_8 != var_1_10) ? (var_1_35 == ((unsigned short int) ((((last_1_var_1_33) > (last_1_var_1_26)) ? (last_1_var_1_33) : (last_1_var_1_26))))) : (var_1_35 == ((unsigned short int) var_1_28)))) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000005, var_1_11=161, var_1_15=161, var_1_18=-32597, var_1_19=32766, var_1_1=-256, var_1_21=0, var_1_22=1, var_1_23=100000006, var_1_24=161, var_1_26=161, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=63, var_1_33=-1, var_1_34=1, var_1_35=33, var_1_37=100000005, var_1_4=1, var_1_7=100000005, var_1_8=100000006] [L187-L188] return (((((((((((((var_1_11 == var_1_15) && var_1_21) ? (var_1_1 == ((signed long int) ((((var_1_33) < (var_1_33)) ? (var_1_33) : (var_1_33))))) : 1) && ((var_1_35 == var_1_1) ? ((var_1_11 < var_1_1) ? (var_1_7 == ((double) ((var_1_8 - var_1_9) + var_1_10))) : ((var_1_1 >= 25) ? (var_1_7 == ((double) (((((var_1_8 - var_1_9)) > (var_1_10)) ? ((var_1_8 - var_1_9)) : (var_1_10))))) : (var_1_7 == ((double) var_1_10)))) : (var_1_7 == ((double) var_1_10)))) && (((- var_1_8) != var_1_23) ? (var_1_11 == ((signed short int) (500 + var_1_26))) : (var_1_11 == ((signed short int) ((((var_1_26) < ((var_1_26 + var_1_26))) ? (var_1_26) : ((var_1_26 + var_1_26)))))))) && ((var_1_26 == var_1_11) ? (var_1_15 == ((unsigned long int) ((((var_1_26) > (var_1_35)) ? (var_1_26) : (var_1_35))))) : ((var_1_9 < var_1_37) ? (var_1_15 == ((unsigned long int) var_1_35)) : (var_1_15 == ((unsigned long int) var_1_35))))) && ((var_1_1 != var_1_11) ? (var_1_18 == ((signed short int) (8 - ((((10) > ((var_1_19 - var_1_26))) ? (10) : ((var_1_19 - var_1_26))))))) : 1)) && (var_1_4 ? (var_1_21 == ((unsigned char) (! var_1_22))) : 1)) && ((! var_1_21) ? (var_1_23 == ((float) var_1_8)) : 1)) && ((var_1_18 != var_1_18) ? (((1u ^ var_1_19) > (- var_1_35)) ? (var_1_24 == ((signed long int) var_1_26)) : (var_1_22 ? (var_1_24 == ((signed long int) last_1_var_1_24)) : 1)) : (var_1_24 == ((signed long int) var_1_26)))) && (((var_1_8 + 199.375) <= 10.5) ? (var_1_26 == ((unsigned char) ((var_1_27 - var_1_28) - (var_1_29 - 1)))) : (var_1_21 ? (var_1_26 == ((unsigned char) ((var_1_29 - var_1_28) + ((var_1_30 + var_1_31) - var_1_32)))) : (var_1_26 == ((unsigned char) var_1_28))))) && (var_1_22 ? (var_1_33 == ((signed char) ((var_1_28 - var_1_32) + (var_1_31 - var_1_34)))) : 1)) && ((last_1_var_1_24 < (last_1_var_1_35 | 100000000)) ? ((var_1_30 > last_1_var_1_35) ? ((var_1_19 < last_1_var_1_24) ? (var_1_35 == ((unsigned short int) ((var_1_29 + var_1_28) + var_1_31))) : (var_1_35 == ((unsigned short int) (((((var_1_34 + ((((var_1_28) > (32)) ? (var_1_28) : (32))))) > (((((last_1_var_1_33) < 0 ) ? -(last_1_var_1_33) : (last_1_var_1_33))))) ? ((var_1_34 + ((((var_1_28) > (32)) ? (var_1_28) : (32))))) : (((((last_1_var_1_33) < 0 ) ? -(last_1_var_1_33) : (last_1_var_1_33))))))))) : (var_1_35 == ((unsigned short int) ((((var_1_32) > (((((var_1_31) > (var_1_28)) ? (var_1_31) : (var_1_28))))) ? (var_1_32) : (((((var_1_31) > (var_1_28)) ? (var_1_31) : (var_1_28))))))))) : ((var_1_8 != var_1_10) ? (var_1_35 == ((unsigned short int) ((((last_1_var_1_33) > (last_1_var_1_26)) ? (last_1_var_1_33) : (last_1_var_1_26))))) : (var_1_35 == ((unsigned short int) var_1_28))))) && (var_1_37 == ((float) var_1_10)) ; [L197] RET, EXPR property() [L197] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000005, var_1_11=161, var_1_15=161, var_1_18=-32597, var_1_19=32766, var_1_1=-256, var_1_21=0, var_1_22=1, var_1_23=100000006, var_1_24=161, var_1_26=161, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=63, var_1_33=-1, var_1_34=1, var_1_35=33, var_1_37=100000005, var_1_4=1, var_1_7=100000005, var_1_8=100000006] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000005, var_1_11=161, var_1_15=161, var_1_18=-32597, var_1_19=32766, var_1_1=-256, var_1_21=0, var_1_22=1, var_1_23=100000006, var_1_24=161, var_1_26=161, var_1_27=254, var_1_28=31, var_1_29=63, var_1_30=31, var_1_31=32, var_1_32=63, var_1_33=-1, var_1_34=1, var_1_35=33, var_1_37=100000005, var_1_4=1, var_1_7=100000005, var_1_8=100000006] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 79 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.8s, OverallIterations: 11, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2038 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2009 mSDsluCounter, 3658 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2391 mSDsCounter, 709 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1734 IncrementalHoareTripleChecker+Invalid, 2443 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 709 mSolverCounterUnsat, 1267 mSDtfsCounter, 1734 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1490 GetRequests, 1392 SyntacticMatches, 2 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=611occurred in iteration=10, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 938 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 2127 NumberOfCodeBlocks, 2127 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2415 ConstructedInterpolants, 0 QuantifiedInterpolants, 7177 SizeOfPredicates, 13 NumberOfNonLiveVariables, 1137 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 16 InterpolantComputations, 7 PerfectInterpolantSequences, 15841/16192 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 06:14:25,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with 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_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-93.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 04241549eabde3ff2d586f095963e5dc8050ef781bb277f02f58fe6e784fa8ed --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:14:27,592 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:14:27,668 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 06:14:27,674 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:14:27,674 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:14:27,714 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:14:27,714 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:14:27,715 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:14:27,716 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:14:27,716 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:14:27,717 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:14:27,718 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:14:27,719 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:14:27,720 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:14:27,720 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:14:27,721 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:14:27,722 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:14:27,723 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:14:27,723 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:14:27,724 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:14:27,724 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:14:27,725 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:14:27,726 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:14:27,726 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 06:14:27,727 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 06:14:27,727 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 06:14:27,728 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:14:27,728 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:14:27,729 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:14:27,729 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:14:27,729 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:14:27,730 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:14:27,730 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:14:27,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:14:27,731 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:14:27,731 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:14:27,731 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:14:27,732 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 06:14:27,732 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 06:14:27,732 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:14:27,733 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:14:27,733 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:14:27,733 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:14:27,733 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:14:27,734 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 06:14:27,734 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_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 04241549eabde3ff2d586f095963e5dc8050ef781bb277f02f58fe6e784fa8ed [2023-11-29 06:14:28,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:14:28,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:14:28,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:14:28,086 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:14:28,086 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:14:28,088 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-93.i [2023-11-29 06:14:31,252 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:14:31,521 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:14:31,522 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-93.i [2023-11-29 06:14:31,534 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/data/2b2151b35/cd0aad49023e4e95a3065605858345c2/FLAG3f5c95cd7 [2023-11-29 06:14:31,552 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/data/2b2151b35/cd0aad49023e4e95a3065605858345c2 [2023-11-29 06:14:31,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:14:31,557 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:14:31,559 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:14:31,560 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:14:31,566 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:14:31,567 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:14:31" (1/1) ... [2023-11-29 06:14:31,568 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4392ac7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:31, skipping insertion in model container [2023-11-29 06:14:31,569 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:14:31" (1/1) ... [2023-11-29 06:14:31,613 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:14:31,786 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_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-93.i[916,929] [2023-11-29 06:14:31,877 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:14:31,898 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:14:31,913 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_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-93.i[916,929] [2023-11-29 06:14:31,961 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:14:31,984 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:14:31,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:31 WrapperNode [2023-11-29 06:14:31,985 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:14:31,986 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:14:31,987 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:14:31,987 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:14:31,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:31" (1/1) ... [2023-11-29 06:14:32,013 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:31" (1/1) ... [2023-11-29 06:14:32,050 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 182 [2023-11-29 06:14:32,051 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:14:32,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:14:32,052 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:14:32,052 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:14:32,066 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:31" (1/1) ... [2023-11-29 06:14:32,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:31" (1/1) ... [2023-11-29 06:14:32,073 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:31" (1/1) ... [2023-11-29 06:14:32,091 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 06:14:32,091 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:31" (1/1) ... [2023-11-29 06:14:32,092 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:31" (1/1) ... [2023-11-29 06:14:32,107 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:31" (1/1) ... [2023-11-29 06:14:32,112 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:31" (1/1) ... [2023-11-29 06:14:32,116 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:31" (1/1) ... [2023-11-29 06:14:32,120 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:31" (1/1) ... [2023-11-29 06:14:32,125 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:14:32,127 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:14:32,127 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:14:32,127 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:14:32,128 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:31" (1/1) ... [2023-11-29 06:14:32,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:14:32,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:14:32,163 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:14:32,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:14:32,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:14:32,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 06:14:32,226 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 06:14:32,226 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 06:14:32,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:14:32,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:14:32,327 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:14:32,329 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:14:37,704 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:14:37,773 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:14:37,773 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 06:14:37,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:14:37 BoogieIcfgContainer [2023-11-29 06:14:37,774 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:14:37,777 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:14:37,777 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:14:37,781 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:14:37,781 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:14:31" (1/3) ... [2023-11-29 06:14:37,782 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38a911bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:14:37, skipping insertion in model container [2023-11-29 06:14:37,782 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:31" (2/3) ... [2023-11-29 06:14:37,783 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38a911bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:14:37, skipping insertion in model container [2023-11-29 06:14:37,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:14:37" (3/3) ... [2023-11-29 06:14:37,784 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-93.i [2023-11-29 06:14:37,805 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:14:37,805 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 06:14:37,860 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:14:37,867 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;@51c6e7ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:14:37,867 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 06:14:37,872 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 46 states have (on average 1.5434782608695652) internal successors, (71), 47 states have internal predecessors, (71), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-29 06:14:37,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-29 06:14:37,890 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:37,891 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:14:37,892 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:14:37,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:37,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1315534475, now seen corresponding path program 1 times [2023-11-29 06:14:37,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:14:37,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [345595028] [2023-11-29 06:14:37,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:37,911 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 06:14:37,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:14:37,912 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:14:37,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:14:38,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:38,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 06:14:38,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:14:38,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 512 proven. 0 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2023-11-29 06:14:38,451 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:14:38,452 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:14:38,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [345595028] [2023-11-29 06:14:38,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [345595028] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:38,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:38,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:14:38,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90855775] [2023-11-29 06:14:38,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:38,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 06:14:38,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:14:38,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 06:14:38,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:14:38,498 INFO L87 Difference]: Start difference. First operand has 72 states, 46 states have (on average 1.5434782608695652) internal successors, (71), 47 states have internal predecessors, (71), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-29 06:14:42,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.67s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:14:42,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:42,219 INFO L93 Difference]: Finished difference Result 139 states and 251 transitions. [2023-11-29 06:14:42,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 06:14:42,261 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 148 [2023-11-29 06:14:42,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:42,270 INFO L225 Difference]: With dead ends: 139 [2023-11-29 06:14:42,270 INFO L226 Difference]: Without dead ends: 68 [2023-11-29 06:14:42,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 147 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 06:14:42,277 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:42,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-29 06:14:42,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-29 06:14:42,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-11-29 06:14:42,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 43 states have (on average 1.4186046511627908) internal successors, (61), 43 states have internal predecessors, (61), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-29 06:14:42,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 107 transitions. [2023-11-29 06:14:42,329 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 107 transitions. Word has length 148 [2023-11-29 06:14:42,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:42,330 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 107 transitions. [2023-11-29 06:14:42,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-29 06:14:42,330 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 107 transitions. [2023-11-29 06:14:42,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-29 06:14:42,335 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:42,335 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:14:42,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:14:42,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:14:42,537 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:14:42,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:42,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1549849861, now seen corresponding path program 1 times [2023-11-29 06:14:42,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:14:42,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2119064407] [2023-11-29 06:14:42,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:42,540 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 06:14:42,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:14:42,541 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:14:42,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:14:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:42,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:14:43,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:14:43,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-29 06:14:43,802 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:14:43,802 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:14:43,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2119064407] [2023-11-29 06:14:43,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2119064407] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:43,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:43,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:14:43,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357591190] [2023-11-29 06:14:43,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:43,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:14:43,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:14:43,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:14:43,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:14:43,808 INFO L87 Difference]: Start difference. First operand 68 states and 107 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-29 06:14:48,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:14:52,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:14:53,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:14:57,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:15:01,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.42s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:15:01,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:15:01,165 INFO L93 Difference]: Finished difference Result 202 states and 318 transitions. [2023-11-29 06:15:01,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:15:01,209 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 148 [2023-11-29 06:15:01,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:15:01,212 INFO L225 Difference]: With dead ends: 202 [2023-11-29 06:15:01,212 INFO L226 Difference]: Without dead ends: 135 [2023-11-29 06:15:01,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:15:01,215 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 120 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 47 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:15:01,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 409 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 15 Invalid, 3 Unknown, 0 Unchecked, 17.2s Time] [2023-11-29 06:15:01,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2023-11-29 06:15:01,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 110. [2023-11-29 06:15:01,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 61 states have (on average 1.2950819672131149) internal successors, (79), 61 states have internal predecessors, (79), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-29 06:15:01,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 171 transitions. [2023-11-29 06:15:01,249 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 171 transitions. Word has length 148 [2023-11-29 06:15:01,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:15:01,251 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 171 transitions. [2023-11-29 06:15:01,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-29 06:15:01,251 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 171 transitions. [2023-11-29 06:15:01,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-29 06:15:01,255 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:15:01,255 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:15:01,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:15:01,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:15:01,460 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:15:01,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:15:01,461 INFO L85 PathProgramCache]: Analyzing trace with hash -5662397, now seen corresponding path program 1 times [2023-11-29 06:15:01,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:15:01,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [542256190] [2023-11-29 06:15:01,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:15:01,463 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 06:15:01,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:15:01,464 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:15:01,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:15:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:15:01,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:15:01,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:15:02,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-29 06:15:02,590 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:15:02,591 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:15:02,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [542256190] [2023-11-29 06:15:02,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [542256190] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:15:02,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:15:02,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:15:02,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894510333] [2023-11-29 06:15:02,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:15:02,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:15:02,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:15:02,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:15:02,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:15:02,595 INFO L87 Difference]: Start difference. First operand 110 states and 171 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-29 06:15:06,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:15:10,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.42s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:15:10,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:15:10,553 INFO L93 Difference]: Finished difference Result 244 states and 383 transitions. [2023-11-29 06:15:10,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:15:10,554 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 148 [2023-11-29 06:15:10,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:15:10,564 INFO L225 Difference]: With dead ends: 244 [2023-11-29 06:15:10,564 INFO L226 Difference]: Without dead ends: 177 [2023-11-29 06:15:10,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:15:10,568 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 37 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2023-11-29 06:15:10,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 197 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 7.9s Time] [2023-11-29 06:15:10,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2023-11-29 06:15:10,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 175. [2023-11-29 06:15:10,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 102 states have (on average 1.3333333333333333) internal successors, (136), 102 states have internal predecessors, (136), 69 states have call successors, (69), 3 states have call predecessors, (69), 3 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2023-11-29 06:15:10,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 274 transitions. [2023-11-29 06:15:10,610 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 274 transitions. Word has length 148 [2023-11-29 06:15:10,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:15:10,611 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 274 transitions. [2023-11-29 06:15:10,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-29 06:15:10,612 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 274 transitions. [2023-11-29 06:15:10,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-29 06:15:10,615 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:15:10,616 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:15:10,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:15:10,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:15:10,821 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:15:10,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:15:10,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1285526075, now seen corresponding path program 1 times [2023-11-29 06:15:10,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:15:10,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1887970769] [2023-11-29 06:15:10,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:15:10,822 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 06:15:10,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:15:10,823 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:15:10,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:15:11,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:15:11,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:15:11,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:15:11,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-29 06:15:11,313 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:15:11,313 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:15:11,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1887970769] [2023-11-29 06:15:11,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1887970769] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:15:11,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:15:11,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:15:11,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714624917] [2023-11-29 06:15:11,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:15:11,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:15:11,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:15:11,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:15:11,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:15:11,317 INFO L87 Difference]: Start difference. First operand 175 states and 274 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-29 06:15:15,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:15:19,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:15:23,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.57s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:15:23,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:15:23,682 INFO L93 Difference]: Finished difference Result 433 states and 682 transitions. [2023-11-29 06:15:23,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:15:23,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 148 [2023-11-29 06:15:23,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:15:23,688 INFO L225 Difference]: With dead ends: 433 [2023-11-29 06:15:23,688 INFO L226 Difference]: Without dead ends: 301 [2023-11-29 06:15:23,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:15:23,691 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 97 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:15:23,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 283 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 2 Unknown, 0 Unchecked, 12.3s Time] [2023-11-29 06:15:23,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2023-11-29 06:15:23,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 177. [2023-11-29 06:15:23,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 104 states have (on average 1.3269230769230769) internal successors, (138), 104 states have internal predecessors, (138), 69 states have call successors, (69), 3 states have call predecessors, (69), 3 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2023-11-29 06:15:23,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 276 transitions. [2023-11-29 06:15:23,755 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 276 transitions. Word has length 148 [2023-11-29 06:15:23,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:15:23,756 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 276 transitions. [2023-11-29 06:15:23,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-29 06:15:23,757 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 276 transitions. [2023-11-29 06:15:23,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-29 06:15:23,760 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:15:23,760 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:15:23,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:15:23,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:15:23,972 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:15:23,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:15:23,972 INFO L85 PathProgramCache]: Analyzing trace with hash -584461497, now seen corresponding path program 1 times [2023-11-29 06:15:23,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:15:23,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [783818420] [2023-11-29 06:15:23,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:15:23,973 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 06:15:23,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:15:23,974 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:15:23,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:15:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:15:24,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 06:15:24,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:15:30,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 186 proven. 60 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2023-11-29 06:15:30,365 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:15:36,313 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:15:36,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [783818420] [2023-11-29 06:15:36,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [783818420] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:15:36,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [141844176] [2023-11-29 06:15:36,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:15:36,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 06:15:36,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 06:15:36,315 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 06:15:36,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-29 06:15:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:15:37,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:15:37,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:15:41,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-29 06:15:41,912 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:15:41,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [141844176] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:15:41,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:15:41,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2023-11-29 06:15:41,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721834884] [2023-11-29 06:15:41,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:15:41,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:15:41,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:15:41,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:15:41,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:15:41,915 INFO L87 Difference]: Start difference. First operand 177 states and 276 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-29 06:15:57,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:16:01,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.91s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:16:03,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:16:07,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:16:09,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:16:13,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:16:17,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.19s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:16:19,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.77s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:16:22,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:16:22,289 INFO L93 Difference]: Finished difference Result 429 states and 663 transitions. [2023-11-29 06:16:22,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:16:22,298 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 148 [2023-11-29 06:16:22,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:16:22,302 INFO L225 Difference]: With dead ends: 429 [2023-11-29 06:16:22,302 INFO L226 Difference]: Without dead ends: 295 [2023-11-29 06:16:22,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 425 GetRequests, 417 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:16:22,304 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 91 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:16:22,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 258 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 3 Unknown, 0 Unchecked, 40.3s Time] [2023-11-29 06:16:22,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2023-11-29 06:16:22,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 289. [2023-11-29 06:16:22,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 186 states have (on average 1.3655913978494623) internal successors, (254), 188 states have internal predecessors, (254), 96 states have call successors, (96), 6 states have call predecessors, (96), 6 states have return successors, (96), 94 states have call predecessors, (96), 96 states have call successors, (96) [2023-11-29 06:16:22,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 446 transitions. [2023-11-29 06:16:22,344 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 446 transitions. Word has length 148 [2023-11-29 06:16:22,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:16:22,345 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 446 transitions. [2023-11-29 06:16:22,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-29 06:16:22,345 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 446 transitions. [2023-11-29 06:16:22,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-29 06:16:22,347 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:16:22,348 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:16:22,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-11-29 06:16:22,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:16:22,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:16:22,749 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:16:22,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:16:22,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1716470535, now seen corresponding path program 1 times [2023-11-29 06:16:22,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:16:22,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [949149465] [2023-11-29 06:16:22,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:16:22,750 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 06:16:22,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:16:22,751 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:16:22,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:16:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:23,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 06:16:23,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:16:23,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 456 proven. 45 refuted. 0 times theorem prover too weak. 511 trivial. 0 not checked. [2023-11-29 06:16:23,551 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:16:23,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 21 proven. 45 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-29 06:16:23,917 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:16:23,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [949149465] [2023-11-29 06:16:23,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [949149465] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:16:23,917 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:16:23,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2023-11-29 06:16:23,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199845613] [2023-11-29 06:16:23,918 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:16:23,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:16:23,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:16:23,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:16:23,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:16:23,920 INFO L87 Difference]: Start difference. First operand 289 states and 446 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2023-11-29 06:16:28,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:16:32,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:16:36,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:16:40,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:16:41,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:16:41,925 INFO L93 Difference]: Finished difference Result 471 states and 711 transitions. [2023-11-29 06:16:41,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 06:16:41,925 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 148 [2023-11-29 06:16:41,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:16:41,930 INFO L225 Difference]: With dead ends: 471 [2023-11-29 06:16:41,930 INFO L226 Difference]: Without dead ends: 225 [2023-11-29 06:16:41,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 288 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2023-11-29 06:16:41,932 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 283 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 118 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2023-11-29 06:16:41,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 359 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 317 Invalid, 4 Unknown, 0 Unchecked, 17.7s Time] [2023-11-29 06:16:41,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2023-11-29 06:16:41,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 212. [2023-11-29 06:16:41,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 133 states have (on average 1.2706766917293233) internal successors, (169), 134 states have internal predecessors, (169), 71 states have call successors, (71), 7 states have call predecessors, (71), 7 states have return successors, (71), 70 states have call predecessors, (71), 71 states have call successors, (71) [2023-11-29 06:16:41,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 311 transitions. [2023-11-29 06:16:41,965 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 311 transitions. Word has length 148 [2023-11-29 06:16:41,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:16:41,966 INFO L495 AbstractCegarLoop]: Abstraction has 212 states and 311 transitions. [2023-11-29 06:16:41,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2023-11-29 06:16:41,966 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 311 transitions. [2023-11-29 06:16:41,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-29 06:16:41,969 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:16:41,969 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:16:41,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:16:42,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:16:42,170 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:16:42,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:16:42,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1898438391, now seen corresponding path program 1 times [2023-11-29 06:16:42,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:16:42,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1827398492] [2023-11-29 06:16:42,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:16:42,170 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 06:16:42,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:16:42,171 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:16:42,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:16:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:42,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 06:16:42,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:16:52,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 186 proven. 60 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2023-11-29 06:16:52,219 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:17:19,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 6 proven. 60 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-29 06:17:19,278 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:17:19,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1827398492] [2023-11-29 06:17:19,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1827398492] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:17:19,278 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:17:19,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2023-11-29 06:17:19,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106018903] [2023-11-29 06:17:19,279 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:17:19,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 06:17:19,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:17:19,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 06:17:19,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2023-11-29 06:17:19,281 INFO L87 Difference]: Start difference. First operand 212 states and 311 transitions. Second operand has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 11 states have internal predecessors, (71), 4 states have call successors, (46), 3 states have call predecessors, (46), 5 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) [2023-11-29 06:17:51,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:17:54,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.92s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:17:56,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:17:58,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:17:59,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:18:04,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:18:08,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.93s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:18:14,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:18:17,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.74s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:18:18,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:18:20,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:18:28,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:18:28,739 INFO L93 Difference]: Finished difference Result 409 states and 578 transitions. [2023-11-29 06:18:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 06:18:28,745 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 11 states have internal predecessors, (71), 4 states have call successors, (46), 3 states have call predecessors, (46), 5 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) Word has length 148 [2023-11-29 06:18:28,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:18:28,748 INFO L225 Difference]: With dead ends: 409 [2023-11-29 06:18:28,748 INFO L226 Difference]: Without dead ends: 244 [2023-11-29 06:18:28,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 19.2s TimeCoverageRelationStatistics Valid=167, Invalid=295, Unknown=0, NotChecked=0, Total=462 [2023-11-29 06:18:28,750 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 151 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 25 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:18:28,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 351 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 339 Invalid, 3 Unknown, 0 Unchecked, 59.3s Time] [2023-11-29 06:18:28,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2023-11-29 06:18:28,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 227. [2023-11-29 06:18:28,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 143 states have (on average 1.2237762237762237) internal successors, (175), 144 states have internal predecessors, (175), 71 states have call successors, (71), 12 states have call predecessors, (71), 12 states have return successors, (71), 70 states have call predecessors, (71), 71 states have call successors, (71) [2023-11-29 06:18:28,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 317 transitions. [2023-11-29 06:18:28,796 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 317 transitions. Word has length 148 [2023-11-29 06:18:28,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:18:28,797 INFO L495 AbstractCegarLoop]: Abstraction has 227 states and 317 transitions. [2023-11-29 06:18:28,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 11 states have internal predecessors, (71), 4 states have call successors, (46), 3 states have call predecessors, (46), 5 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) [2023-11-29 06:18:28,798 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 317 transitions. [2023-11-29 06:18:28,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 06:18:28,799 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:18:28,800 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:18:28,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:18:29,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:18:29,004 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:18:29,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:18:29,005 INFO L85 PathProgramCache]: Analyzing trace with hash 52110998, now seen corresponding path program 1 times [2023-11-29 06:18:29,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:18:29,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [694133674] [2023-11-29 06:18:29,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:18:29,006 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 06:18:29,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:18:29,007 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:18:29,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:18:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:18:29,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 06:18:29,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:18:35,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 186 proven. 60 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2023-11-29 06:18:35,625 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:18:43,172 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:18:43,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [694133674] [2023-11-29 06:18:43,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [694133674] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:18:43,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [438156445] [2023-11-29 06:18:43,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:18:43,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 06:18:43,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 06:18:43,174 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 06:18:43,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-29 06:18:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:18:44,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 06:18:44,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:18:50,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 186 proven. 60 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2023-11-29 06:18:50,069 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:18:56,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [438156445] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:18:56,405 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:18:56,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2023-11-29 06:18:56,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729708961] [2023-11-29 06:18:56,406 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:18:56,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:18:56,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:18:56,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:18:56,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:18:56,408 INFO L87 Difference]: Start difference. First operand 227 states and 317 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-29 06:19:02,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:19:06,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:19:08,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:19:10,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:19:14,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:19:17,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:19:18,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:19:18,768 INFO L93 Difference]: Finished difference Result 394 states and 544 transitions. [2023-11-29 06:19:18,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 06:19:18,771 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 149 [2023-11-29 06:19:18,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:19:18,774 INFO L225 Difference]: With dead ends: 394 [2023-11-29 06:19:18,774 INFO L226 Difference]: Without dead ends: 222 [2023-11-29 06:19:18,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 564 GetRequests, 554 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:19:18,775 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 38 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:19:18,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 318 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 187 Invalid, 3 Unknown, 0 Unchecked, 22.0s Time] [2023-11-29 06:19:18,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2023-11-29 06:19:18,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 211. [2023-11-29 06:19:18,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 129 states have (on average 1.178294573643411) internal successors, (152), 129 states have internal predecessors, (152), 69 states have call successors, (69), 12 states have call predecessors, (69), 12 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2023-11-29 06:19:18,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 290 transitions. [2023-11-29 06:19:18,801 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 290 transitions. Word has length 149 [2023-11-29 06:19:18,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:19:18,802 INFO L495 AbstractCegarLoop]: Abstraction has 211 states and 290 transitions. [2023-11-29 06:19:18,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-29 06:19:18,802 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 290 transitions. [2023-11-29 06:19:18,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-29 06:19:18,803 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:19:18,803 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:19:18,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:19:19,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-11-29 06:19:19,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 06:19:19,204 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:19:19,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:19:19,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1186763425, now seen corresponding path program 1 times [2023-11-29 06:19:19,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:19:19,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1656508663] [2023-11-29 06:19:19,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:19:19,206 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 06:19:19,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:19:19,207 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:19:19,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:19:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:19:19,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 06:19:19,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:19:20,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 481 proven. 36 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2023-11-29 06:19:20,936 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:19:21,446 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:19:21,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1656508663] [2023-11-29 06:19:21,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1656508663] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:19:21,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [767354812] [2023-11-29 06:19:21,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:19:21,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 06:19:21,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 06:19:21,448 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 06:19:21,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-11-29 06:19:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:19:22,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 06:19:22,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:19:23,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 472 proven. 21 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2023-11-29 06:19:23,386 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:19:23,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [767354812] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:19:23,597 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:19:23,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 11 [2023-11-29 06:19:23,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52243267] [2023-11-29 06:19:23,597 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:19:23,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 06:19:23,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:19:23,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 06:19:23,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-11-29 06:19:23,599 INFO L87 Difference]: Start difference. First operand 211 states and 290 transitions. Second operand has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 11 states have internal predecessors, (56), 3 states have call successors, (29), 3 states have call predecessors, (29), 5 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2023-11-29 06:19:29,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:19:30,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:19:35,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:19:39,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:19:43,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.77s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:19:43,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:19:43,196 INFO L93 Difference]: Finished difference Result 424 states and 576 transitions. [2023-11-29 06:19:43,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 06:19:43,247 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 11 states have internal predecessors, (56), 3 states have call successors, (29), 3 states have call predecessors, (29), 5 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 150 [2023-11-29 06:19:43,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:19:43,250 INFO L225 Difference]: With dead ends: 424 [2023-11-29 06:19:43,250 INFO L226 Difference]: Without dead ends: 268 [2023-11-29 06:19:43,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 430 GetRequests, 401 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=264, Invalid=606, Unknown=0, NotChecked=0, Total=870 [2023-11-29 06:19:43,252 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 106 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 84 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:19:43,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 639 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 347 Invalid, 3 Unknown, 0 Unchecked, 19.1s Time] [2023-11-29 06:19:43,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2023-11-29 06:19:43,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 220. [2023-11-29 06:19:43,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 136 states have (on average 1.1691176470588236) internal successors, (159), 136 states have internal predecessors, (159), 69 states have call successors, (69), 14 states have call predecessors, (69), 14 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2023-11-29 06:19:43,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 297 transitions. [2023-11-29 06:19:43,283 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 297 transitions. Word has length 150 [2023-11-29 06:19:43,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:19:43,284 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 297 transitions. [2023-11-29 06:19:43,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 11 states have internal predecessors, (56), 3 states have call successors, (29), 3 states have call predecessors, (29), 5 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2023-11-29 06:19:43,284 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 297 transitions. [2023-11-29 06:19:43,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-29 06:19:43,285 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:19:43,285 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:19:43,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:19:43,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-11-29 06:19:43,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 06:19:43,689 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:19:43,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:19:43,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1303544778, now seen corresponding path program 1 times [2023-11-29 06:19:43,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:19:43,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [227152936] [2023-11-29 06:19:43,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:19:43,690 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 06:19:43,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:19:43,691 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:19:43,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:19:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:19:44,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 06:19:44,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:19:45,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 372 proven. 51 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2023-11-29 06:19:45,324 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:19:45,674 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:19:45,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [227152936] [2023-11-29 06:19:45,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [227152936] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:19:45,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1417757917] [2023-11-29 06:19:45,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:19:45,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 06:19:45,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 06:19:45,676 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 06:19:45,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-11-29 06:19:46,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:19:46,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 06:19:46,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:19:47,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 372 proven. 51 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2023-11-29 06:19:47,765 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:19:48,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1417757917] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:19:48,027 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:19:48,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2023-11-29 06:19:48,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005895854] [2023-11-29 06:19:48,027 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:19:48,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:19:48,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:19:48,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:19:48,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-11-29 06:19:48,029 INFO L87 Difference]: Start difference. First operand 220 states and 297 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-29 06:19:53,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:19:54,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:19:59,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:20:00,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:20:00,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:20:00,772 INFO L93 Difference]: Finished difference Result 428 states and 578 transitions. [2023-11-29 06:20:00,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 06:20:00,819 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 151 [2023-11-29 06:20:00,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:20:00,821 INFO L225 Difference]: With dead ends: 428 [2023-11-29 06:20:00,821 INFO L226 Difference]: Without dead ends: 272 [2023-11-29 06:20:00,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 523 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2023-11-29 06:20:00,823 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 114 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 61 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2023-11-29 06:20:00,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 501 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 205 Invalid, 2 Unknown, 0 Unchecked, 12.4s Time] [2023-11-29 06:20:00,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2023-11-29 06:20:00,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 225. [2023-11-29 06:20:00,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 140 states have (on average 1.1642857142857144) internal successors, (163), 140 states have internal predecessors, (163), 69 states have call successors, (69), 15 states have call predecessors, (69), 15 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2023-11-29 06:20:00,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 301 transitions. [2023-11-29 06:20:00,868 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 301 transitions. Word has length 151 [2023-11-29 06:20:00,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:20:00,869 INFO L495 AbstractCegarLoop]: Abstraction has 225 states and 301 transitions. [2023-11-29 06:20:00,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-29 06:20:00,869 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 301 transitions. [2023-11-29 06:20:00,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-29 06:20:00,871 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:20:00,871 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:20:00,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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)] Forceful destruction successful, exit code 0 [2023-11-29 06:20:01,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-11-29 06:20:01,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 06:20:01,272 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:20:01,272 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:20:01,272 INFO L85 PathProgramCache]: Analyzing trace with hash -385398964, now seen corresponding path program 1 times [2023-11-29 06:20:01,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:20:01,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [816538186] [2023-11-29 06:20:01,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:20:01,273 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 06:20:01,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:20:01,274 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:20:01,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:20:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:20:01,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 06:20:01,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:20:04,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 148 proven. 3 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-29 06:20:04,848 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:20:06,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-29 06:20:06,237 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:20:06,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [816538186] [2023-11-29 06:20:06,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [816538186] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 06:20:06,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:20:06,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2023-11-29 06:20:06,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696699467] [2023-11-29 06:20:06,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:20:06,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:20:06,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:20:06,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:20:06,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-29 06:20:06,239 INFO L87 Difference]: Start difference. First operand 225 states and 301 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-29 06:20:11,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-11-29 06:20:15,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:20:18,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:20:18,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:20:18,218 INFO L93 Difference]: Finished difference Result 565 states and 765 transitions. [2023-11-29 06:20:18,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 06:20:18,219 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 151 [2023-11-29 06:20:18,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:20:18,222 INFO L225 Difference]: With dead ends: 565 [2023-11-29 06:20:18,222 INFO L226 Difference]: Without dead ends: 409 [2023-11-29 06:20:18,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2023-11-29 06:20:18,224 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 147 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 148 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:20:18,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 365 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 39 Invalid, 2 Unknown, 0 Unchecked, 11.8s Time] [2023-11-29 06:20:18,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2023-11-29 06:20:18,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 235. [2023-11-29 06:20:18,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 150 states have (on average 1.1666666666666667) internal successors, (175), 150 states have internal predecessors, (175), 69 states have call successors, (69), 15 states have call predecessors, (69), 15 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2023-11-29 06:20:18,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 313 transitions. [2023-11-29 06:20:18,266 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 313 transitions. Word has length 151 [2023-11-29 06:20:18,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:20:18,266 INFO L495 AbstractCegarLoop]: Abstraction has 235 states and 313 transitions. [2023-11-29 06:20:18,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-29 06:20:18,267 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 313 transitions. [2023-11-29 06:20:18,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-29 06:20:18,268 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:20:18,268 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:20:18,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:20:18,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:20:18,469 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:20:18,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:20:18,469 INFO L85 PathProgramCache]: Analyzing trace with hash 294659406, now seen corresponding path program 1 times [2023-11-29 06:20:18,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:20:18,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1652054227] [2023-11-29 06:20:18,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:20:18,470 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 06:20:18,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:20:18,471 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:20:18,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa7f4e9-09d7-40a7-ac74-0c6b7a641cf0/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 06:20:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:20:24,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 63 conjunts are in the unsatisfiable core [2023-11-29 06:20:24,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:21:37,179 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 115 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 06:21:59,090 WARN L293 SmtUtils]: Spent 5.46s on a formula simplification that was a NOOP. DAG size: 120 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 06:23:38,806 WARN L293 SmtUtils]: Spent 23.69s on a formula simplification that was a NOOP. DAG size: 124 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 06:26:06,508 WARN L293 SmtUtils]: Spent 26.29s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)