./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-12.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_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/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_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/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_91f1a90c-a85c-4a0d-af04-11803175949c/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 b61370fc7fa98f07668d2621ea789a0cd07fff9d4c2d86a60d46f3dd4727a286 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:12:45,676 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:12:45,744 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 05:12:45,748 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:12:45,748 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:12:45,771 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:12:45,772 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:12:45,772 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:12:45,773 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:12:45,774 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:12:45,774 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:12:45,775 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:12:45,775 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:12:45,776 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:12:45,776 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:12:45,777 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:12:45,777 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:12:45,778 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:12:45,778 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:12:45,779 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:12:45,779 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:12:45,782 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:12:45,783 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:12:45,783 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:12:45,784 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:12:45,784 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:12:45,785 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:12:45,785 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:12:45,785 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:12:45,786 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:12:45,786 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:12:45,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:12:45,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:12:45,787 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:12:45,787 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:12:45,787 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:12:45,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:12:45,788 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:12:45,788 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:12:45,788 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:12:45,788 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:12:45,789 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:12:45,789 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_91f1a90c-a85c-4a0d-af04-11803175949c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b61370fc7fa98f07668d2621ea789a0cd07fff9d4c2d86a60d46f3dd4727a286 [2023-11-29 05:12:46,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:12:46,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:12:46,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:12:46,025 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:12:46,026 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:12:46,027 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-12.i [2023-11-29 05:12:48,799 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:12:49,006 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:12:49,007 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-12.i [2023-11-29 05:12:49,018 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/data/e4d48b46b/1366e6c7a88b4d8da14f8709e8778314/FLAG9f40e0ca7 [2023-11-29 05:12:49,033 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/data/e4d48b46b/1366e6c7a88b4d8da14f8709e8778314 [2023-11-29 05:12:49,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:12:49,037 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:12:49,039 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:12:49,039 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:12:49,044 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:12:49,045 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:12:49" (1/1) ... [2023-11-29 05:12:49,046 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d56c562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:12:49, skipping insertion in model container [2023-11-29 05:12:49,046 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:12:49" (1/1) ... [2023-11-29 05:12:49,081 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:12:49,226 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_91f1a90c-a85c-4a0d-af04-11803175949c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-12.i[919,932] [2023-11-29 05:12:49,292 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:12:49,306 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:12:49,318 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_91f1a90c-a85c-4a0d-af04-11803175949c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-12.i[919,932] [2023-11-29 05:12:49,349 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:12:49,367 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:12:49,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:12:49 WrapperNode [2023-11-29 05:12:49,368 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:12:49,369 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:12:49,369 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:12:49,370 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:12:49,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:12:49" (1/1) ... [2023-11-29 05:12:49,390 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:12:49" (1/1) ... [2023-11-29 05:12:49,431 INFO L138 Inliner]: procedures = 26, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 219 [2023-11-29 05:12:49,431 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:12:49,432 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:12:49,432 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:12:49,432 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:12:49,444 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:12:49" (1/1) ... [2023-11-29 05:12:49,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:12:49" (1/1) ... [2023-11-29 05:12:49,448 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:12:49" (1/1) ... [2023-11-29 05:12:49,468 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 05:12:49,468 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:12:49" (1/1) ... [2023-11-29 05:12:49,468 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:12:49" (1/1) ... [2023-11-29 05:12:49,481 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:12:49" (1/1) ... [2023-11-29 05:12:49,485 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:12:49" (1/1) ... [2023-11-29 05:12:49,488 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:12:49" (1/1) ... [2023-11-29 05:12:49,491 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:12:49" (1/1) ... [2023-11-29 05:12:49,496 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:12:49,497 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:12:49,497 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:12:49,497 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:12:49,498 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:12:49" (1/1) ... [2023-11-29 05:12:49,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:12:49,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:12:49,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:12:49,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:12:49,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:12:49,561 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 05:12:49,561 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 05:12:49,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:12:49,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:12:49,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:12:49,649 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:12:49,651 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:12:50,058 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:12:50,097 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:12:50,098 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 05:12:50,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:12:50 BoogieIcfgContainer [2023-11-29 05:12:50,098 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:12:50,101 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:12:50,101 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:12:50,103 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:12:50,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:12:49" (1/3) ... [2023-11-29 05:12:50,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1edf33d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:12:50, skipping insertion in model container [2023-11-29 05:12:50,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:12:49" (2/3) ... [2023-11-29 05:12:50,105 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1edf33d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:12:50, skipping insertion in model container [2023-11-29 05:12:50,105 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:12:50" (3/3) ... [2023-11-29 05:12:50,106 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-12.i [2023-11-29 05:12:50,120 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:12:50,120 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:12:50,164 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:12:50,170 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;@1625ae40, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:12:50,170 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:12:50,174 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 53 states have (on average 1.490566037735849) internal successors, (79), 54 states have internal predecessors, (79), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-29 05:12:50,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-11-29 05:12:50,191 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:12:50,192 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:12:50,193 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:12:50,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:12:50,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1805547606, now seen corresponding path program 1 times [2023-11-29 05:12:50,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:12:50,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112444580] [2023-11-29 05:12:50,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:12:50,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:12:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:12:50,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:12:50,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112444580] [2023-11-29 05:12:50,395 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 05:12:50,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951795285] [2023-11-29 05:12:50,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:12:50,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:12:50,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:12:50,398 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:12:50,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 05:12:50,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:12:50,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 05:12:50,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:12:50,736 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 2312 trivial. 0 not checked. [2023-11-29 05:12:50,736 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:12:50,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951795285] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:12:50,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:12:50,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:12:50,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806102767] [2023-11-29 05:12:50,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:12:50,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 05:12:50,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:12:50,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 05:12:50,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:12:50,772 INFO L87 Difference]: Start difference. First operand has 91 states, 53 states have (on average 1.490566037735849) internal successors, (79), 54 states have internal predecessors, (79), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-29 05:12:50,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:12:50,819 INFO L93 Difference]: Finished difference Result 179 states and 331 transitions. [2023-11-29 05:12:50,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 05:12:50,822 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) Word has length 214 [2023-11-29 05:12:50,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:12:50,831 INFO L225 Difference]: With dead ends: 179 [2023-11-29 05:12:50,831 INFO L226 Difference]: Without dead ends: 89 [2023-11-29 05:12:50,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:12:50,840 INFO L413 NwaCegarLoop]: 140 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, 140 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 05:12:50,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 140 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:12:50,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-11-29 05:12:50,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2023-11-29 05:12:50,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 52 states have internal predecessors, (73), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-29 05:12:50,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 143 transitions. [2023-11-29 05:12:50,896 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 143 transitions. Word has length 214 [2023-11-29 05:12:50,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:12:50,897 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 143 transitions. [2023-11-29 05:12:50,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-29 05:12:50,898 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 143 transitions. [2023-11-29 05:12:50,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2023-11-29 05:12:50,904 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:12:50,904 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:12:50,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 05:12:51,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 05:12:51,106 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:12:51,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:12:51,106 INFO L85 PathProgramCache]: Analyzing trace with hash 933735107, now seen corresponding path program 1 times [2023-11-29 05:12:51,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:12:51,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219154032] [2023-11-29 05:12:51,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:12:51,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:12:51,187 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:12:51,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2070560662] [2023-11-29 05:12:51,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:12:51,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:12:51,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:12:51,190 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:12:51,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 05:12:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:12:51,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 05:12:51,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:12:52,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 655 proven. 168 refuted. 0 times theorem prover too weak. 1557 trivial. 0 not checked. [2023-11-29 05:12:52,448 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:12:52,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 18 proven. 84 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-11-29 05:12:52,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:12:52,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219154032] [2023-11-29 05:12:52,948 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:12:52,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070560662] [2023-11-29 05:12:52,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070560662] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:12:52,949 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:12:52,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 17 [2023-11-29 05:12:52,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480443750] [2023-11-29 05:12:52,950 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:12:52,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 05:12:52,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:12:52,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 05:12:52,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2023-11-29 05:12:52,956 INFO L87 Difference]: Start difference. First operand 89 states and 143 transitions. Second operand has 17 states, 17 states have (on average 5.176470588235294) internal successors, (88), 17 states have internal predecessors, (88), 4 states have call successors, (64), 3 states have call predecessors, (64), 5 states have return successors, (65), 4 states have call predecessors, (65), 4 states have call successors, (65) [2023-11-29 05:12:54,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:12:54,560 INFO L93 Difference]: Finished difference Result 318 states and 468 transitions. [2023-11-29 05:12:54,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-11-29 05:12:54,561 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.176470588235294) internal successors, (88), 17 states have internal predecessors, (88), 4 states have call successors, (64), 3 states have call predecessors, (64), 5 states have return successors, (65), 4 states have call predecessors, (65), 4 states have call successors, (65) Word has length 215 [2023-11-29 05:12:54,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:12:54,566 INFO L225 Difference]: With dead ends: 318 [2023-11-29 05:12:54,566 INFO L226 Difference]: Without dead ends: 230 [2023-11-29 05:12:54,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 416 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 705 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=764, Invalid=1888, Unknown=0, NotChecked=0, Total=2652 [2023-11-29 05:12:54,571 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 522 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 865 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 530 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:12:54,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [530 Valid, 376 Invalid, 983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 865 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 05:12:54,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2023-11-29 05:12:54,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 160. [2023-11-29 05:12:54,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 111 states have (on average 1.4504504504504505) internal successors, (161), 113 states have internal predecessors, (161), 41 states have call successors, (41), 7 states have call predecessors, (41), 7 states have return successors, (41), 39 states have call predecessors, (41), 41 states have call successors, (41) [2023-11-29 05:12:54,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 243 transitions. [2023-11-29 05:12:54,605 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 243 transitions. Word has length 215 [2023-11-29 05:12:54,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:12:54,606 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 243 transitions. [2023-11-29 05:12:54,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.176470588235294) internal successors, (88), 17 states have internal predecessors, (88), 4 states have call successors, (64), 3 states have call predecessors, (64), 5 states have return successors, (65), 4 states have call predecessors, (65), 4 states have call successors, (65) [2023-11-29 05:12:54,607 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 243 transitions. [2023-11-29 05:12:54,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2023-11-29 05:12:54,611 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:12:54,611 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:12:54,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 05:12:54,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:12:54,815 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:12:54,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:12:54,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1634799685, now seen corresponding path program 1 times [2023-11-29 05:12:54,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:12:54,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696292035] [2023-11-29 05:12:54,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:12:54,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:12:54,869 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:12:54,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [17417853] [2023-11-29 05:12:54,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:12:54,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:12:54,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:12:54,871 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:12:54,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 05:12:55,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:12:55,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 05:12:55,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:12:55,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 624 proven. 87 refuted. 0 times theorem prover too weak. 1669 trivial. 0 not checked. [2023-11-29 05:12:55,815 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:12:56,198 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 15 proven. 87 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-11-29 05:12:56,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:12:56,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696292035] [2023-11-29 05:12:56,199 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:12:56,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17417853] [2023-11-29 05:12:56,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17417853] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:12:56,199 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:12:56,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2023-11-29 05:12:56,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547940103] [2023-11-29 05:12:56,200 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:12:56,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:12:56,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:12:56,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:12:56,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:12:56,204 INFO L87 Difference]: Start difference. First operand 160 states and 243 transitions. Second operand has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 12 states have internal predecessors, (92), 4 states have call successors, (70), 3 states have call predecessors, (70), 5 states have return successors, (70), 4 states have call predecessors, (70), 4 states have call successors, (70) [2023-11-29 05:12:57,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:12:57,353 INFO L93 Difference]: Finished difference Result 512 states and 765 transitions. [2023-11-29 05:12:57,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-29 05:12:57,354 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 12 states have internal predecessors, (92), 4 states have call successors, (70), 3 states have call predecessors, (70), 5 states have return successors, (70), 4 states have call predecessors, (70), 4 states have call successors, (70) Word has length 215 [2023-11-29 05:12:57,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:12:57,360 INFO L225 Difference]: With dead ends: 512 [2023-11-29 05:12:57,360 INFO L226 Difference]: Without dead ends: 367 [2023-11-29 05:12:57,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 421 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=238, Invalid=464, Unknown=0, NotChecked=0, Total=702 [2023-11-29 05:12:57,363 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 375 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 858 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 1017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:12:57,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [414 Valid, 441 Invalid, 1017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 858 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 05:12:57,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2023-11-29 05:12:57,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 244. [2023-11-29 05:12:57,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 161 states have (on average 1.4037267080745341) internal successors, (226), 162 states have internal predecessors, (226), 72 states have call successors, (72), 10 states have call predecessors, (72), 10 states have return successors, (72), 71 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-29 05:12:57,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 370 transitions. [2023-11-29 05:12:57,419 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 370 transitions. Word has length 215 [2023-11-29 05:12:57,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:12:57,420 INFO L495 AbstractCegarLoop]: Abstraction has 244 states and 370 transitions. [2023-11-29 05:12:57,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 12 states have internal predecessors, (92), 4 states have call successors, (70), 3 states have call predecessors, (70), 5 states have return successors, (70), 4 states have call predecessors, (70), 4 states have call successors, (70) [2023-11-29 05:12:57,421 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 370 transitions. [2023-11-29 05:12:57,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2023-11-29 05:12:57,439 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:12:57,439 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:12:57,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 05:12:57,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:12:57,643 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:12:57,643 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:12:57,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1129467124, now seen corresponding path program 1 times [2023-11-29 05:12:57,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:12:57,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231823768] [2023-11-29 05:12:57,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:12:57,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:12:57,686 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:12:57,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [20163933] [2023-11-29 05:12:57,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:12:57,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:12:57,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:12:57,688 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:12:57,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 05:12:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:12:57,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 05:12:57,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:12:57,940 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 918 proven. 24 refuted. 0 times theorem prover too weak. 1438 trivial. 0 not checked. [2023-11-29 05:12:57,940 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:12:58,112 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 78 proven. 24 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-11-29 05:12:58,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:12:58,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231823768] [2023-11-29 05:12:58,113 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:12:58,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [20163933] [2023-11-29 05:12:58,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [20163933] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:12:58,113 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:12:58,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-29 05:12:58,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105115147] [2023-11-29 05:12:58,114 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:12:58,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:12:58,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:12:58,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:12:58,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:12:58,116 INFO L87 Difference]: Start difference. First operand 244 states and 370 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-11-29 05:12:58,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:12:58,338 INFO L93 Difference]: Finished difference Result 511 states and 761 transitions. [2023-11-29 05:12:58,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:12:58,338 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 216 [2023-11-29 05:12:58,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:12:58,342 INFO L225 Difference]: With dead ends: 511 [2023-11-29 05:12:58,342 INFO L226 Difference]: Without dead ends: 268 [2023-11-29 05:12:58,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 424 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-29 05:12:58,344 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 77 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:12:58,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 222 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 05:12:58,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2023-11-29 05:12:58,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 252. [2023-11-29 05:12:58,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 167 states have (on average 1.3652694610778444) internal successors, (228), 168 states have internal predecessors, (228), 72 states have call successors, (72), 12 states have call predecessors, (72), 12 states have return successors, (72), 71 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-29 05:12:58,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 372 transitions. [2023-11-29 05:12:58,380 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 372 transitions. Word has length 216 [2023-11-29 05:12:58,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:12:58,381 INFO L495 AbstractCegarLoop]: Abstraction has 252 states and 372 transitions. [2023-11-29 05:12:58,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-11-29 05:12:58,381 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 372 transitions. [2023-11-29 05:12:58,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2023-11-29 05:12:58,384 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:12:58,384 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:12:58,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 05:12:58,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:12:58,586 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:12:58,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:12:58,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1129407542, now seen corresponding path program 1 times [2023-11-29 05:12:58,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:12:58,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636247352] [2023-11-29 05:12:58,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:12:58,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:12:58,623 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:12:58,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1778221153] [2023-11-29 05:12:58,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:12:58,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:12:58,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:12:58,625 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:12:58,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 05:12:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:12:58,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 05:12:58,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:12:59,491 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2023-11-29 05:12:59,491 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:12:59,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:12:59,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636247352] [2023-11-29 05:12:59,492 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:12:59,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778221153] [2023-11-29 05:12:59,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778221153] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:12:59,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:12:59,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:12:59,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504165601] [2023-11-29 05:12:59,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:12:59,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:12:59,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:12:59,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:12:59,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:12:59,495 INFO L87 Difference]: Start difference. First operand 252 states and 372 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-11-29 05:12:59,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:12:59,759 INFO L93 Difference]: Finished difference Result 635 states and 934 transitions. [2023-11-29 05:12:59,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:12:59,760 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 216 [2023-11-29 05:12:59,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:12:59,764 INFO L225 Difference]: With dead ends: 635 [2023-11-29 05:12:59,764 INFO L226 Difference]: Without dead ends: 384 [2023-11-29 05:12:59,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:12:59,766 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 110 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:12:59,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 455 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 05:12:59,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2023-11-29 05:12:59,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 332. [2023-11-29 05:12:59,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 206 states have (on average 1.296116504854369) internal successors, (267), 207 states have internal predecessors, (267), 107 states have call successors, (107), 18 states have call predecessors, (107), 18 states have return successors, (107), 106 states have call predecessors, (107), 107 states have call successors, (107) [2023-11-29 05:12:59,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 481 transitions. [2023-11-29 05:12:59,817 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 481 transitions. Word has length 216 [2023-11-29 05:12:59,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:12:59,818 INFO L495 AbstractCegarLoop]: Abstraction has 332 states and 481 transitions. [2023-11-29 05:12:59,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-11-29 05:12:59,818 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 481 transitions. [2023-11-29 05:12:59,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-11-29 05:12:59,822 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:12:59,822 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:12:59,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 05:13:00,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:13:00,023 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:13:00,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:13:00,024 INFO L85 PathProgramCache]: Analyzing trace with hash -2031479532, now seen corresponding path program 1 times [2023-11-29 05:13:00,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:13:00,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309784442] [2023-11-29 05:13:00,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:13:00,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:13:00,067 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:13:00,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1054168066] [2023-11-29 05:13:00,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:13:00,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:13:00,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:13:00,069 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:13:00,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 05:13:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:13:00,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:13:00,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:13:00,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2023-11-29 05:13:00,239 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:13:00,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:13:00,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309784442] [2023-11-29 05:13:00,239 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:13:00,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054168066] [2023-11-29 05:13:00,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1054168066] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:13:00,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:13:00,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:13:00,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721899142] [2023-11-29 05:13:00,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:13:00,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:13:00,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:13:00,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:13:00,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:13:00,242 INFO L87 Difference]: Start difference. First operand 332 states and 481 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-11-29 05:13:00,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:13:00,320 INFO L93 Difference]: Finished difference Result 774 states and 1124 transitions. [2023-11-29 05:13:00,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:13:00,321 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 217 [2023-11-29 05:13:00,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:13:00,326 INFO L225 Difference]: With dead ends: 774 [2023-11-29 05:13:00,326 INFO L226 Difference]: Without dead ends: 523 [2023-11-29 05:13:00,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:13:00,328 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 80 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:13:00,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 271 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:13:00,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2023-11-29 05:13:00,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 519. [2023-11-29 05:13:00,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 342 states have (on average 1.3070175438596492) internal successors, (447), 346 states have internal predecessors, (447), 147 states have call successors, (147), 29 states have call predecessors, (147), 29 states have return successors, (147), 143 states have call predecessors, (147), 147 states have call successors, (147) [2023-11-29 05:13:00,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 741 transitions. [2023-11-29 05:13:00,424 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 741 transitions. Word has length 217 [2023-11-29 05:13:00,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:13:00,425 INFO L495 AbstractCegarLoop]: Abstraction has 519 states and 741 transitions. [2023-11-29 05:13:00,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-11-29 05:13:00,425 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 741 transitions. [2023-11-29 05:13:00,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-11-29 05:13:00,427 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:13:00,428 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:13:00,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 05:13:00,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-29 05:13:00,628 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:13:00,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:13:00,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1213831082, now seen corresponding path program 1 times [2023-11-29 05:13:00,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:13:00,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336050964] [2023-11-29 05:13:00,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:13:00,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:13:00,661 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:13:00,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1939871061] [2023-11-29 05:13:00,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:13:00,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:13:00,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:13:00,663 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:13:00,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 05:13:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:13:00,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-29 05:13:00,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:13:01,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 748 proven. 162 refuted. 0 times theorem prover too weak. 1470 trivial. 0 not checked. [2023-11-29 05:13:01,417 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:13:02,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:13:02,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336050964] [2023-11-29 05:13:02,387 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:13:02,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939871061] [2023-11-29 05:13:02,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939871061] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:13:02,388 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:13:02,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2023-11-29 05:13:02,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623832347] [2023-11-29 05:13:02,388 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 05:13:02,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:13:02,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:13:02,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:13:02,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2023-11-29 05:13:02,390 INFO L87 Difference]: Start difference. First operand 519 states and 741 transitions. Second operand has 12 states, 12 states have (on average 4.5) internal successors, (54), 11 states have internal predecessors, (54), 3 states have call successors, (35), 3 states have call predecessors, (35), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-11-29 05:13:03,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:13:03,911 INFO L93 Difference]: Finished difference Result 1395 states and 1949 transitions. [2023-11-29 05:13:03,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-29 05:13:03,912 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 11 states have internal predecessors, (54), 3 states have call successors, (35), 3 states have call predecessors, (35), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 217 [2023-11-29 05:13:03,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:13:03,919 INFO L225 Difference]: With dead ends: 1395 [2023-11-29 05:13:03,920 INFO L226 Difference]: Without dead ends: 961 [2023-11-29 05:13:03,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=334, Invalid=856, Unknown=0, NotChecked=0, Total=1190 [2023-11-29 05:13:03,923 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 368 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 942 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:13:03,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 646 Invalid, 971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 942 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 05:13:03,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2023-11-29 05:13:04,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 631. [2023-11-29 05:13:04,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 631 states, 437 states have (on average 1.322654462242563) internal successors, (578), 443 states have internal predecessors, (578), 155 states have call successors, (155), 38 states have call predecessors, (155), 38 states have return successors, (155), 149 states have call predecessors, (155), 155 states have call successors, (155) [2023-11-29 05:13:04,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 888 transitions. [2023-11-29 05:13:04,026 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 888 transitions. Word has length 217 [2023-11-29 05:13:04,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:13:04,027 INFO L495 AbstractCegarLoop]: Abstraction has 631 states and 888 transitions. [2023-11-29 05:13:04,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 11 states have internal predecessors, (54), 3 states have call successors, (35), 3 states have call predecessors, (35), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-11-29 05:13:04,028 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 888 transitions. [2023-11-29 05:13:04,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-11-29 05:13:04,029 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:13:04,030 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:13:04,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 05:13:04,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-29 05:13:04,236 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:13:04,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:13:04,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1250745116, now seen corresponding path program 1 times [2023-11-29 05:13:04,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:13:04,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126332407] [2023-11-29 05:13:04,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:13:04,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:13:04,269 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:13:04,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [977974116] [2023-11-29 05:13:04,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:13:04,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:13:04,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:13:04,270 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:13:04,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 05:13:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:13:04,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 05:13:04,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:13:04,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 718 proven. 84 refuted. 0 times theorem prover too weak. 1578 trivial. 0 not checked. [2023-11-29 05:13:04,850 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:13:05,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 18 proven. 84 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-11-29 05:13:05,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:13:05,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126332407] [2023-11-29 05:13:05,104 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:13:05,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977974116] [2023-11-29 05:13:05,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [977974116] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:13:05,105 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:13:05,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 14 [2023-11-29 05:13:05,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949267431] [2023-11-29 05:13:05,105 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:13:05,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 05:13:05,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:13:05,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 05:13:05,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2023-11-29 05:13:05,108 INFO L87 Difference]: Start difference. First operand 631 states and 888 transitions. Second operand has 14 states, 14 states have (on average 5.785714285714286) internal successors, (81), 14 states have internal predecessors, (81), 4 states have call successors, (70), 3 states have call predecessors, (70), 5 states have return successors, (70), 4 states have call predecessors, (70), 4 states have call successors, (70) [2023-11-29 05:13:06,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:13:06,136 INFO L93 Difference]: Finished difference Result 2162 states and 2985 transitions. [2023-11-29 05:13:06,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-29 05:13:06,137 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.785714285714286) internal successors, (81), 14 states have internal predecessors, (81), 4 states have call successors, (70), 3 states have call predecessors, (70), 5 states have return successors, (70), 4 states have call predecessors, (70), 4 states have call successors, (70) Word has length 218 [2023-11-29 05:13:06,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:13:06,148 INFO L225 Difference]: With dead ends: 2162 [2023-11-29 05:13:06,148 INFO L226 Difference]: Without dead ends: 1620 [2023-11-29 05:13:06,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 456 GetRequests, 426 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=294, Invalid=698, Unknown=0, NotChecked=0, Total=992 [2023-11-29 05:13:06,152 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 756 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 392 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 756 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 392 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 05:13:06,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [756 Valid, 473 Invalid, 938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [392 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 05:13:06,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1620 states. [2023-11-29 05:13:06,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1620 to 582. [2023-11-29 05:13:06,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 388 states have (on average 1.2835051546391754) internal successors, (498), 394 states have internal predecessors, (498), 155 states have call successors, (155), 38 states have call predecessors, (155), 38 states have return successors, (155), 149 states have call predecessors, (155), 155 states have call successors, (155) [2023-11-29 05:13:06,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 808 transitions. [2023-11-29 05:13:06,311 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 808 transitions. Word has length 218 [2023-11-29 05:13:06,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:13:06,311 INFO L495 AbstractCegarLoop]: Abstraction has 582 states and 808 transitions. [2023-11-29 05:13:06,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.785714285714286) internal successors, (81), 14 states have internal predecessors, (81), 4 states have call successors, (70), 3 states have call predecessors, (70), 5 states have return successors, (70), 4 states have call predecessors, (70), 4 states have call successors, (70) [2023-11-29 05:13:06,312 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 808 transitions. [2023-11-29 05:13:06,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-11-29 05:13:06,313 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:13:06,314 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:13:06,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-29 05:13:06,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-29 05:13:06,523 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:13:06,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:13:06,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1634803339, now seen corresponding path program 1 times [2023-11-29 05:13:06,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:13:06,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682456339] [2023-11-29 05:13:06,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:13:06,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:13:06,554 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:13:06,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [76208663] [2023-11-29 05:13:06,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:13:06,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:13:06,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:13:06,555 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:13:06,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 05:13:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:13:06,876 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:13:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:13:07,236 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:13:07,236 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 05:13:07,237 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 05:13:07,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 05:13:07,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:13:07,442 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:13:07,444 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 05:13:07,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 05:13:07 BoogieIcfgContainer [2023-11-29 05:13:07,583 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 05:13:07,583 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:13:07,583 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:13:07,583 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:13:07,584 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:12:50" (3/4) ... [2023-11-29 05:13:07,585 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 05:13:07,587 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:13:07,587 INFO L158 Benchmark]: Toolchain (without parser) took 18550.20ms. Allocated memory was 148.9MB in the beginning and 262.1MB in the end (delta: 113.2MB). Free memory was 116.4MB in the beginning and 139.0MB in the end (delta: -22.6MB). Peak memory consumption was 93.1MB. Max. memory is 16.1GB. [2023-11-29 05:13:07,587 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 72.5MB in the end (delta: 162.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:13:07,588 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.97ms. Allocated memory is still 148.9MB. Free memory was 116.2MB in the beginning and 100.4MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 05:13:07,588 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.98ms. Allocated memory is still 148.9MB. Free memory was 100.4MB in the beginning and 95.6MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 05:13:07,588 INFO L158 Benchmark]: Boogie Preprocessor took 64.12ms. Allocated memory is still 148.9MB. Free memory was 95.6MB in the beginning and 88.9MB in the end (delta: 6.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 05:13:07,589 INFO L158 Benchmark]: RCFGBuilder took 601.74ms. Allocated memory is still 148.9MB. Free memory was 88.9MB in the beginning and 102.4MB in the end (delta: -13.5MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2023-11-29 05:13:07,589 INFO L158 Benchmark]: TraceAbstraction took 17482.07ms. Allocated memory was 148.9MB in the beginning and 262.1MB in the end (delta: 113.2MB). Free memory was 101.7MB in the beginning and 140.1MB in the end (delta: -38.4MB). Peak memory consumption was 73.5MB. Max. memory is 16.1GB. [2023-11-29 05:13:07,589 INFO L158 Benchmark]: Witness Printer took 3.49ms. Allocated memory is still 262.1MB. Free memory was 140.1MB in the beginning and 139.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:13:07,591 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 72.5MB in the end (delta: 162.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.97ms. Allocated memory is still 148.9MB. Free memory was 116.2MB in the beginning and 100.4MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.98ms. Allocated memory is still 148.9MB. Free memory was 100.4MB in the beginning and 95.6MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.12ms. Allocated memory is still 148.9MB. Free memory was 95.6MB in the beginning and 88.9MB in the end (delta: 6.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 601.74ms. Allocated memory is still 148.9MB. Free memory was 88.9MB in the beginning and 102.4MB in the end (delta: -13.5MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. * TraceAbstraction took 17482.07ms. Allocated memory was 148.9MB in the beginning and 262.1MB in the end (delta: 113.2MB). Free memory was 101.7MB in the beginning and 140.1MB in the end (delta: -38.4MB). Peak memory consumption was 73.5MB. Max. memory is 16.1GB. * Witness Printer took 3.49ms. Allocated memory is still 262.1MB. Free memory was 140.1MB in the beginning and 139.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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 someBinaryFLOATComparisonOperation at line 208, overapproximation of someUnaryDOUBLEoperation at line 35, overapproximation of someBinaryArithmeticDOUBLEoperation at line 129, overapproximation of someBinaryDOUBLEComparisonOperation at line 208. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 5; [L23] unsigned char var_1_5 = 128; [L24] unsigned char var_1_6 = 10; [L25] unsigned char var_1_7 = 0; [L26] signed long int var_1_8 = 128; [L27] signed long int var_1_9 = 1967984875; [L28] float var_1_10 = 256.625; [L29] float var_1_11 = 24.5; [L30] float var_1_12 = 999999.25; [L31] unsigned char var_1_13 = 1; [L32] unsigned char var_1_14 = 0; [L33] double var_1_15 = 127.3; [L34] float var_1_16 = 15.8; [L35] double var_1_17 = -0.4; [L36] unsigned long int var_1_18 = 8; [L37] unsigned long int var_1_19 = 2366774301; [L38] unsigned char var_1_20 = 0; [L39] signed short int var_1_21 = 5; [L40] signed char var_1_22 = 0; [L41] signed char var_1_23 = 2; [L42] unsigned char var_1_24 = 1; [L43] unsigned char var_1_26 = 1; [L44] unsigned char var_1_27 = 0; [L45] unsigned char var_1_28 = 0; [L46] signed long int var_1_29 = -128; [L47] signed short int var_1_35 = -50; [L48] unsigned long int var_1_36 = 4; [L49] unsigned short int var_1_40 = 16; [L50] unsigned short int var_1_43 = 48844; [L51] unsigned short int var_1_44 = 25575; [L52] unsigned short int var_1_45 = 10000; [L53] unsigned long int var_1_47 = 4; [L54] signed char var_1_48 = 2; [L55] signed char var_1_50 = -2; [L56] unsigned char last_1_var_1_1 = 5; [L57] unsigned long int last_1_var_1_18 = 8; [L58] signed char last_1_var_1_22 = 0; [L212] isInitial = 1 [L213] FCALL initially() [L214] COND TRUE 1 [L215] CALL updateLastVariables() [L203] last_1_var_1_1 = var_1_1 [L204] last_1_var_1_18 = var_1_18 [L205] last_1_var_1_22 = var_1_22 [L215] RET updateLastVariables() [L216] CALL updateVariables() [L147] var_1_5 = __VERIFIER_nondet_uchar() [L148] CALL assume_abort_if_not(var_1_5 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=10, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=10, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L148] RET assume_abort_if_not(var_1_5 >= 127) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=10, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L149] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=10, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=10, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L149] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=10, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L150] var_1_6 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L151] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L152] CALL assume_abort_if_not(var_1_6 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L152] RET assume_abort_if_not(var_1_6 <= 64) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L153] var_1_7 = __VERIFIER_nondet_uchar() [L154] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_8=128, var_1_9=1967984875] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_8=128, var_1_9=1967984875] [L154] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_8=128, var_1_9=1967984875] [L155] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1967984875] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1967984875] [L155] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1967984875] [L156] var_1_9 = __VERIFIER_nondet_long() [L157] CALL assume_abort_if_not(var_1_9 >= 1073741822) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L157] RET assume_abort_if_not(var_1_9 >= 1073741822) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L158] CALL assume_abort_if_not(var_1_9 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L158] RET assume_abort_if_not(var_1_9 <= 2147483646) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L159] var_1_11 = __VERIFIER_nondet_float() [L160] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L160] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L161] var_1_12 = __VERIFIER_nondet_float() [L162] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L162] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L163] var_1_13 = __VERIFIER_nondet_uchar() [L164] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L164] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L165] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L165] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L166] var_1_14 = __VERIFIER_nondet_uchar() [L167] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L167] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L168] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L168] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L169] var_1_16 = __VERIFIER_nondet_float() [L170] CALL assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L170] RET assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L171] CALL assume_abort_if_not(var_1_16 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L171] RET assume_abort_if_not(var_1_16 != 0.0F) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L172] var_1_17 = __VERIFIER_nondet_double() [L173] CALL assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L173] RET assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L174] var_1_19 = __VERIFIER_nondet_ulong() [L175] CALL assume_abort_if_not(var_1_19 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L175] RET assume_abort_if_not(var_1_19 >= 2147483647) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L176] CALL assume_abort_if_not(var_1_19 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L176] RET assume_abort_if_not(var_1_19 <= 4294967294) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L177] var_1_20 = __VERIFIER_nondet_uchar() [L178] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L178] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L179] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L179] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L180] var_1_23 = __VERIFIER_nondet_char() [L181] CALL assume_abort_if_not(var_1_23 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L181] RET assume_abort_if_not(var_1_23 >= -63) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L182] CALL assume_abort_if_not(var_1_23 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L182] RET assume_abort_if_not(var_1_23 <= 63) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L183] var_1_26 = __VERIFIER_nondet_uchar() [L184] CALL assume_abort_if_not(var_1_26 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L184] RET assume_abort_if_not(var_1_26 >= 1) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L185] CALL assume_abort_if_not(var_1_26 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L185] RET assume_abort_if_not(var_1_26 <= 1) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L186] var_1_27 = __VERIFIER_nondet_uchar() [L187] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L187] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L188] CALL assume_abort_if_not(var_1_27 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L188] RET assume_abort_if_not(var_1_27 <= 0) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L189] var_1_28 = __VERIFIER_nondet_uchar() [L190] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L190] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L191] CALL assume_abort_if_not(var_1_28 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L191] RET assume_abort_if_not(var_1_28 <= 0) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L192] var_1_43 = __VERIFIER_nondet_ushort() [L193] CALL assume_abort_if_not(var_1_43 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=65534, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=65534, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L193] RET assume_abort_if_not(var_1_43 >= 32767) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=65534, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L194] CALL assume_abort_if_not(var_1_43 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=65534, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=65534, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L194] RET assume_abort_if_not(var_1_43 <= 65534) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=65534, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L195] var_1_44 = __VERIFIER_nondet_ushort() [L196] CALL assume_abort_if_not(var_1_44 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=65534, var_1_44=32767, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=65534, var_1_44=32767, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L196] RET assume_abort_if_not(var_1_44 >= 16383) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=65534, var_1_44=32767, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L197] CALL assume_abort_if_not(var_1_44 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=65534, var_1_44=32767, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=65534, var_1_44=32767, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L197] RET assume_abort_if_not(var_1_44 <= 32767) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=65534, var_1_44=32767, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L198] var_1_45 = __VERIFIER_nondet_ushort() [L199] CALL assume_abort_if_not(var_1_45 >= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=65534, var_1_44=32767, var_1_45=16383, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=65534, var_1_44=32767, var_1_45=16383, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L199] RET assume_abort_if_not(var_1_45 >= 8191) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=65534, var_1_44=32767, var_1_45=16383, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L200] CALL assume_abort_if_not(var_1_45 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=65534, var_1_44=32767, var_1_45=16383, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=65534, var_1_44=32767, var_1_45=16383, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L200] RET assume_abort_if_not(var_1_45 <= 16383) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=65534, var_1_44=32767, var_1_45=16383, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L216] RET updateVariables() [L217] CALL step() [L62] unsigned char stepLocal_2 = var_1_9 >= last_1_var_1_22; [L63] signed long int stepLocal_1 = last_1_var_1_1; VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, stepLocal_1=5, stepLocal_2=1, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=65534, var_1_44=32767, var_1_45=16383, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L64] COND FALSE !(stepLocal_1 > last_1_var_1_18) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, stepLocal_1=5, stepLocal_2=1, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=65534, var_1_44=32767, var_1_45=16383, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L67] COND TRUE var_1_20 || stepLocal_2 [L68] var_1_18 = var_1_6 VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, stepLocal_1=5, stepLocal_2=1, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=1, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=65534, var_1_44=32767, var_1_45=16383, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L73] COND TRUE last_1_var_1_1 > (var_1_18 * var_1_18) [L74] var_1_1 = (var_1_5 - (var_1_6 + var_1_7)) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, stepLocal_1=5, stepLocal_2=1, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=1, var_1_19=2147483647, var_1_1=190, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=65534, var_1_44=32767, var_1_45=16383, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L78] COND TRUE var_1_7 >= (~ ((((var_1_5) > (var_1_44)) ? (var_1_5) : (var_1_44)))) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, stepLocal_1=5, stepLocal_2=1, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=1, var_1_19=2147483647, var_1_1=190, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=65534, var_1_44=32767, var_1_45=16383, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L79] COND TRUE var_1_1 >= (~ var_1_22) [L80] var_1_47 = (var_1_44 + var_1_6) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, stepLocal_1=5, stepLocal_2=1, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=1, var_1_19=2147483647, var_1_1=190, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=65534, var_1_44=32767, var_1_45=16383, var_1_47=32768, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L83] var_1_21 = ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, stepLocal_1=5, stepLocal_2=1, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=1, var_1_19=2147483647, var_1_1=190, var_1_20=1, var_1_21=63, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=65534, var_1_44=32767, var_1_45=16383, var_1_47=32768, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L84] COND FALSE !((var_1_7 * var_1_21) < ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))) [L91] var_1_29 = var_1_21 VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, stepLocal_1=5, stepLocal_2=1, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=1, var_1_19=2147483647, var_1_1=190, var_1_20=1, var_1_21=63, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=63, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=65534, var_1_44=32767, var_1_45=16383, var_1_47=32768, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L93] COND FALSE !(var_1_6 > var_1_7) [L98] var_1_40 = (var_1_43 - (var_1_44 - (var_1_45 - var_1_6))) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, stepLocal_1=5, stepLocal_2=1, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=1, var_1_19=2147483647, var_1_1=190, var_1_20=1, var_1_21=63, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=63, var_1_35=-50, var_1_36=4, var_1_40=49149, var_1_43=65534, var_1_44=32767, var_1_45=16383, var_1_47=32768, var_1_48=2, var_1_50=-2, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L100] var_1_50 = var_1_6 [L101] unsigned char stepLocal_0 = var_1_6; VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, stepLocal_0=1, stepLocal_1=5, stepLocal_2=1, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=1, var_1_19=2147483647, var_1_1=190, var_1_20=1, var_1_21=63, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=63, var_1_35=-50, var_1_36=4, var_1_40=49149, var_1_43=65534, var_1_44=32767, var_1_45=16383, var_1_47=32768, var_1_48=2, var_1_50=1, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L102] COND TRUE (- var_1_18) > stepLocal_0 [L103] var_1_8 = ((var_1_9 - var_1_21) - var_1_5) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, stepLocal_0=1, stepLocal_1=5, stepLocal_2=1, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=1, var_1_19=2147483647, var_1_1=190, var_1_20=1, var_1_21=63, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=63, var_1_35=-50, var_1_36=4, var_1_40=49149, var_1_43=65534, var_1_44=32767, var_1_45=16383, var_1_47=32768, var_1_48=2, var_1_50=1, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=2147483329, var_1_9=2147483646] [L105] COND FALSE !(var_1_7 < (var_1_18 / var_1_9)) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, stepLocal_0=1, stepLocal_1=5, stepLocal_2=1, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=1, var_1_19=2147483647, var_1_1=190, var_1_20=1, var_1_21=63, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=63, var_1_35=-50, var_1_36=4, var_1_40=49149, var_1_43=65534, var_1_44=32767, var_1_45=16383, var_1_47=32768, var_1_48=2, var_1_50=1, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=2147483329, var_1_9=2147483646] [L108] COND TRUE (((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23))) / var_1_9) < var_1_18 [L109] var_1_36 = var_1_6 VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, stepLocal_0=1, stepLocal_1=5, stepLocal_2=1, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=1, var_1_19=2147483647, var_1_1=190, var_1_20=1, var_1_21=63, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=63, var_1_35=-50, var_1_36=1, var_1_40=49149, var_1_43=65534, var_1_44=32767, var_1_45=16383, var_1_47=32768, var_1_48=2, var_1_50=1, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=2147483329, var_1_9=2147483646] [L112] var_1_48 = var_1_23 [L113] signed long int stepLocal_3 = var_1_8; VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, stepLocal_0=1, stepLocal_1=5, stepLocal_2=1, stepLocal_3=2147483329, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=1, var_1_19=2147483647, var_1_1=190, var_1_20=1, var_1_21=63, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=63, var_1_35=-50, var_1_36=1, var_1_40=49149, var_1_43=65534, var_1_44=32767, var_1_45=16383, var_1_47=32768, var_1_48=63, var_1_50=1, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=2147483329, var_1_9=2147483646] [L114] COND FALSE !(var_1_18 == stepLocal_3) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, stepLocal_0=1, stepLocal_1=5, stepLocal_2=1, stepLocal_3=2147483329, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=1, var_1_19=2147483647, var_1_1=190, var_1_20=1, var_1_21=63, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=63, var_1_35=-50, var_1_36=1, var_1_40=49149, var_1_43=65534, var_1_44=32767, var_1_45=16383, var_1_47=32768, var_1_48=63, var_1_50=1, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=2147483329, var_1_9=2147483646] [L121] COND TRUE var_1_8 != ((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5))) [L122] var_1_10 = ((((var_1_11) > (var_1_12)) ? (var_1_11) : (var_1_12))) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, stepLocal_0=1, stepLocal_1=5, stepLocal_2=1, stepLocal_3=2147483329, var_1_10=2, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=1, var_1_19=2147483647, var_1_1=190, var_1_20=1, var_1_21=63, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=63, var_1_35=-50, var_1_36=1, var_1_40=49149, var_1_43=65534, var_1_44=32767, var_1_45=16383, var_1_47=32768, var_1_48=63, var_1_50=1, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=2147483329, var_1_9=2147483646] [L128] COND TRUE (var_1_12 / var_1_16) >= var_1_10 [L129] var_1_15 = (var_1_17 + 255.5) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, stepLocal_0=1, stepLocal_1=5, stepLocal_2=1, stepLocal_3=2147483329, var_1_10=2, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=0, var_1_18=1, var_1_19=2147483647, var_1_1=190, var_1_20=1, var_1_21=63, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=63, var_1_35=-50, var_1_36=1, var_1_40=49149, var_1_43=65534, var_1_44=32767, var_1_45=16383, var_1_47=32768, var_1_48=63, var_1_50=1, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=2147483329, var_1_9=2147483646] [L131] COND TRUE \read(var_1_20) [L132] var_1_24 = var_1_26 VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, stepLocal_0=1, stepLocal_1=5, stepLocal_2=1, stepLocal_3=2147483329, var_1_10=2, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=0, var_1_18=1, var_1_19=2147483647, var_1_1=190, var_1_20=1, var_1_21=63, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=63, var_1_35=-50, var_1_36=1, var_1_40=49149, var_1_43=65534, var_1_44=32767, var_1_45=16383, var_1_47=32768, var_1_48=63, var_1_50=1, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=2147483329, var_1_9=2147483646] [L140] COND TRUE var_1_6 < ((((var_1_8) > (var_1_7)) ? (var_1_8) : (var_1_7))) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, stepLocal_0=1, stepLocal_1=5, stepLocal_2=1, stepLocal_3=2147483329, var_1_10=2, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=0, var_1_18=1, var_1_19=2147483647, var_1_1=190, var_1_20=1, var_1_21=63, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=63, var_1_35=-50, var_1_36=1, var_1_40=49149, var_1_43=65534, var_1_44=32767, var_1_45=16383, var_1_47=32768, var_1_48=63, var_1_50=1, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=2147483329, var_1_9=2147483646] [L141] COND FALSE !(\read(var_1_27)) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, stepLocal_0=1, stepLocal_1=5, stepLocal_2=1, stepLocal_3=2147483329, var_1_10=2, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=0, var_1_18=1, var_1_19=2147483647, var_1_1=190, var_1_20=1, var_1_21=63, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=63, var_1_35=-50, var_1_36=1, var_1_40=49149, var_1_43=65534, var_1_44=32767, var_1_45=16383, var_1_47=32768, var_1_48=63, var_1_50=1, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=2147483329, var_1_9=2147483646] [L217] RET step() [L218] CALL, EXPR property() [L208-L209] return (((((((last_1_var_1_1 > (var_1_18 * var_1_18)) ? (var_1_1 == ((unsigned char) (var_1_5 - (var_1_6 + var_1_7)))) : (var_1_1 == ((unsigned char) ((((var_1_7) < ((((((16) < 0 ) ? -(16) : (16))) + var_1_6))) ? (var_1_7) : ((((((16) < 0 ) ? -(16) : (16))) + var_1_6))))))) && (((- var_1_18) > var_1_6) ? (var_1_8 == ((signed long int) ((var_1_9 - var_1_21) - var_1_5))) : 1)) && ((var_1_8 != ((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5)))) ? (var_1_10 == ((float) ((((var_1_11) > (var_1_12)) ? (var_1_11) : (var_1_12))))) : ((var_1_13 || var_1_14) ? (var_1_10 == ((float) var_1_11)) : 1))) && (((var_1_12 / var_1_16) >= var_1_10) ? (var_1_15 == ((double) (var_1_17 + 255.5))) : 1)) && ((last_1_var_1_1 > last_1_var_1_18) ? (var_1_18 == ((unsigned long int) ((((var_1_9) < ((var_1_19 - var_1_6))) ? (var_1_9) : ((var_1_19 - var_1_6)))))) : ((var_1_20 || (var_1_9 >= last_1_var_1_22)) ? (var_1_18 == ((unsigned long int) var_1_6)) : (var_1_18 == ((unsigned long int) var_1_7))))) && (var_1_21 == ((signed short int) ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7)))))) && ((var_1_18 == var_1_8) ? ((! var_1_20) ? (var_1_22 == ((signed char) ((((var_1_6) > ((5 - var_1_7))) ? (var_1_6) : ((5 - var_1_7)))))) : (var_1_22 == ((signed char) (var_1_7 + var_1_23)))) : 1) ; [L218] RET, EXPR property() [L218] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=0, var_1_18=1, var_1_19=2147483647, var_1_1=190, var_1_20=1, var_1_21=63, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=63, var_1_35=-50, var_1_36=1, var_1_40=49149, var_1_43=65534, var_1_44=32767, var_1_45=16383, var_1_47=32768, var_1_48=63, var_1_50=1, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=2147483329, var_1_9=2147483646] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=0, var_1_18=1, var_1_19=2147483647, var_1_1=190, var_1_20=1, var_1_21=63, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=63, var_1_35=-50, var_1_36=1, var_1_40=49149, var_1_43=65534, var_1_44=32767, var_1_45=16383, var_1_47=32768, var_1_48=63, var_1_50=1, var_1_5=254, var_1_6=1, var_1_7=63, var_1_8=2147483329, var_1_9=2147483646] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 91 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.3s, OverallIterations: 9, TraceHistogramMax: 35, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2372 SdHoareTripleChecker+Valid, 3.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2288 mSDsluCounter, 3024 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2095 mSDsCounter, 782 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3536 IncrementalHoareTripleChecker+Invalid, 4318 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 782 mSolverCounterUnsat, 929 mSDtfsCounter, 3536 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2707 GetRequests, 2552 SyntacticMatches, 1 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1290 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=631occurred in iteration=7, InterpolantAutomatonStates: 131, 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, 8 MinimizatonAttempts, 1633 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 2160 NumberOfCodeBlocks, 2160 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2580 ConstructedInterpolants, 0 QuantifiedInterpolants, 10609 SizeOfPredicates, 36 NumberOfNonLiveVariables, 3969 ConjunctsInSsa, 71 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 27756/28560 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 05:13:07,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/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_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/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_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/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_91f1a90c-a85c-4a0d-af04-11803175949c/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 b61370fc7fa98f07668d2621ea789a0cd07fff9d4c2d86a60d46f3dd4727a286 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:13:09,542 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:13:09,619 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 05:13:09,626 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:13:09,627 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:13:09,656 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:13:09,657 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:13:09,657 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:13:09,658 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:13:09,659 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:13:09,659 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:13:09,660 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:13:09,661 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:13:09,661 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:13:09,662 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:13:09,663 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:13:09,663 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:13:09,664 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:13:09,664 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:13:09,665 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:13:09,665 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:13:09,666 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:13:09,666 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:13:09,666 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 05:13:09,667 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 05:13:09,667 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 05:13:09,668 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:13:09,668 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:13:09,668 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:13:09,669 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:13:09,669 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:13:09,670 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:13:09,670 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:13:09,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:13:09,671 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:13:09,671 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:13:09,671 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:13:09,671 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 05:13:09,672 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 05:13:09,672 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:13:09,672 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:13:09,672 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:13:09,672 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:13:09,673 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:13:09,673 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 05:13:09,673 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_91f1a90c-a85c-4a0d-af04-11803175949c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b61370fc7fa98f07668d2621ea789a0cd07fff9d4c2d86a60d46f3dd4727a286 [2023-11-29 05:13:09,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:13:09,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:13:09,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:13:09,982 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:13:09,982 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:13:09,984 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-12.i [2023-11-29 05:13:12,710 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:13:12,939 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:13:12,939 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-12.i [2023-11-29 05:13:12,951 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/data/93bbc5893/df87b29e8a8a4595b8e9b70900723088/FLAG66231e66a [2023-11-29 05:13:12,965 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/data/93bbc5893/df87b29e8a8a4595b8e9b70900723088 [2023-11-29 05:13:12,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:13:12,970 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:13:12,971 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:13:12,971 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:13:12,975 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:13:12,976 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:13:12" (1/1) ... [2023-11-29 05:13:12,977 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4026a5f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:13:12, skipping insertion in model container [2023-11-29 05:13:12,977 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:13:12" (1/1) ... [2023-11-29 05:13:13,009 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:13:13,135 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_91f1a90c-a85c-4a0d-af04-11803175949c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-12.i[919,932] [2023-11-29 05:13:13,204 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:13:13,221 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:13:13,232 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_91f1a90c-a85c-4a0d-af04-11803175949c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-12.i[919,932] [2023-11-29 05:13:13,273 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:13:13,291 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:13:13,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:13:13 WrapperNode [2023-11-29 05:13:13,291 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:13:13,293 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:13:13,293 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:13:13,293 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:13:13,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:13:13" (1/1) ... [2023-11-29 05:13:13,314 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:13:13" (1/1) ... [2023-11-29 05:13:13,347 INFO L138 Inliner]: procedures = 27, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 217 [2023-11-29 05:13:13,347 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:13:13,348 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:13:13,348 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:13:13,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:13:13,361 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:13:13" (1/1) ... [2023-11-29 05:13:13,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:13:13" (1/1) ... [2023-11-29 05:13:13,367 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:13:13" (1/1) ... [2023-11-29 05:13:13,382 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 05:13:13,383 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:13:13" (1/1) ... [2023-11-29 05:13:13,383 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:13:13" (1/1) ... [2023-11-29 05:13:13,396 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:13:13" (1/1) ... [2023-11-29 05:13:13,401 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:13:13" (1/1) ... [2023-11-29 05:13:13,404 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:13:13" (1/1) ... [2023-11-29 05:13:13,407 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:13:13" (1/1) ... [2023-11-29 05:13:13,435 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:13:13,436 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:13:13,436 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:13:13,436 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:13:13,437 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:13:13" (1/1) ... [2023-11-29 05:13:13,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:13:13,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:13:13,488 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:13:13,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:13:13,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:13:13,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 05:13:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 05:13:13,529 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 05:13:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:13:13,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:13:13,624 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:13:13,627 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:13:20,070 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:13:20,114 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:13:20,115 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 05:13:20,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:13:20 BoogieIcfgContainer [2023-11-29 05:13:20,116 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:13:20,118 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:13:20,119 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:13:20,122 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:13:20,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:13:12" (1/3) ... [2023-11-29 05:13:20,123 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ca37836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:13:20, skipping insertion in model container [2023-11-29 05:13:20,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:13:13" (2/3) ... [2023-11-29 05:13:20,123 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ca37836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:13:20, skipping insertion in model container [2023-11-29 05:13:20,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:13:20" (3/3) ... [2023-11-29 05:13:20,125 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-12.i [2023-11-29 05:13:20,143 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:13:20,143 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:13:20,183 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:13:20,190 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;@6b1bf4c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:13:20,190 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:13:20,195 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 53 states have (on average 1.490566037735849) internal successors, (79), 54 states have internal predecessors, (79), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-29 05:13:20,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-11-29 05:13:20,214 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:13:20,215 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:13:20,216 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:13:20,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:13:20,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1805547606, now seen corresponding path program 1 times [2023-11-29 05:13:20,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:13:20,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1686425329] [2023-11-29 05:13:20,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:13:20,251 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 05:13:20,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:13:20,282 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/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 05:13:20,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/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 05:13:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:13:20,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 05:13:20,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:13:20,876 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1080 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:13:20,876 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:13:20,877 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:13:20,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1686425329] [2023-11-29 05:13:20,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1686425329] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:13:20,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:13:20,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:13:20,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910308175] [2023-11-29 05:13:20,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:13:20,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 05:13:20,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:13:20,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 05:13:20,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:13:20,919 INFO L87 Difference]: Start difference. First operand has 91 states, 53 states have (on average 1.490566037735849) internal successors, (79), 54 states have internal predecessors, (79), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-29 05:13:23,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:13:23,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:13:23,088 INFO L93 Difference]: Finished difference Result 179 states and 331 transitions. [2023-11-29 05:13:23,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 05:13:23,141 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 214 [2023-11-29 05:13:23,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:13:23,148 INFO L225 Difference]: With dead ends: 179 [2023-11-29 05:13:23,149 INFO L226 Difference]: Without dead ends: 89 [2023-11-29 05:13:23,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:13:23,156 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:13:23,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 140 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-29 05:13:23,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-11-29 05:13:23,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2023-11-29 05:13:23,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 52 states have internal predecessors, (73), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-29 05:13:23,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 143 transitions. [2023-11-29 05:13:23,201 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 143 transitions. Word has length 214 [2023-11-29 05:13:23,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:13:23,202 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 143 transitions. [2023-11-29 05:13:23,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-29 05:13:23,203 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 143 transitions. [2023-11-29 05:13:23,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2023-11-29 05:13:23,215 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:13:23,215 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:13:23,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/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 05:13:23,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/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 05:13:23,416 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:13:23,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:13:23,417 INFO L85 PathProgramCache]: Analyzing trace with hash 933735107, now seen corresponding path program 1 times [2023-11-29 05:13:23,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:13:23,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2034809336] [2023-11-29 05:13:23,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:13:23,418 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 05:13:23,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:13:23,420 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/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 05:13:23,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/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 05:13:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:13:23,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 05:13:23,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:13:26,352 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2023-11-29 05:13:26,353 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:13:26,353 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:13:26,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2034809336] [2023-11-29 05:13:26,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2034809336] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:13:26,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:13:26,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:13:26,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209033681] [2023-11-29 05:13:26,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:13:26,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:13:26,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:13:26,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:13:26,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:13:26,358 INFO L87 Difference]: Start difference. First operand 89 states and 143 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-11-29 05:13:28,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:13:31,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.94s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:13:31,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:13:31,832 INFO L93 Difference]: Finished difference Result 266 states and 428 transitions. [2023-11-29 05:13:31,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:13:31,880 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 215 [2023-11-29 05:13:31,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:13:31,884 INFO L225 Difference]: With dead ends: 266 [2023-11-29 05:13:31,884 INFO L226 Difference]: Without dead ends: 178 [2023-11-29 05:13:31,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 211 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 05:13:31,887 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 116 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-11-29 05:13:31,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 463 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2023-11-29 05:13:31,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2023-11-29 05:13:31,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 149. [2023-11-29 05:13:31,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 76 states have (on average 1.2763157894736843) internal successors, (97), 76 states have internal predecessors, (97), 70 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2023-11-29 05:13:31,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 237 transitions. [2023-11-29 05:13:31,931 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 237 transitions. Word has length 215 [2023-11-29 05:13:31,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:13:31,932 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 237 transitions. [2023-11-29 05:13:31,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-11-29 05:13:31,933 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 237 transitions. [2023-11-29 05:13:31,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2023-11-29 05:13:31,937 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:13:31,937 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:13:31,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/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)] Forceful destruction successful, exit code 0 [2023-11-29 05:13:32,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/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 05:13:32,143 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:13:32,143 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:13:32,143 INFO L85 PathProgramCache]: Analyzing trace with hash -757931975, now seen corresponding path program 1 times [2023-11-29 05:13:32,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:13:32,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1960357673] [2023-11-29 05:13:32,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:13:32,144 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 05:13:32,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:13:32,145 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/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 05:13:32,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/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 05:13:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:13:32,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 05:13:32,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:13:34,380 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 718 proven. 84 refuted. 0 times theorem prover too weak. 1578 trivial. 0 not checked. [2023-11-29 05:13:34,380 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:13:34,895 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 18 proven. 84 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-11-29 05:13:34,895 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:13:34,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1960357673] [2023-11-29 05:13:34,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1960357673] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:13:34,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:13:34,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2023-11-29 05:13:34,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125678052] [2023-11-29 05:13:34,897 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:13:34,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:13:34,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:13:34,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:13:34,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:13:34,900 INFO L87 Difference]: Start difference. First operand 149 states and 237 transitions. Second operand has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 12 states have internal predecessors, (79), 4 states have call successors, (70), 3 states have call predecessors, (70), 5 states have return successors, (70), 4 states have call predecessors, (70), 4 states have call successors, (70) [2023-11-29 05:13:38,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:13:40,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:13:40,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:13:40,678 INFO L93 Difference]: Finished difference Result 365 states and 571 transitions. [2023-11-29 05:13:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 05:13:40,679 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 12 states have internal predecessors, (79), 4 states have call successors, (70), 3 states have call predecessors, (70), 5 states have return successors, (70), 4 states have call predecessors, (70), 4 states have call successors, (70) Word has length 216 [2023-11-29 05:13:40,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:13:40,685 INFO L225 Difference]: With dead ends: 365 [2023-11-29 05:13:40,685 INFO L226 Difference]: Without dead ends: 277 [2023-11-29 05:13:40,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 421 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462 [2023-11-29 05:13:40,688 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 555 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:13:40,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [555 Valid, 522 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-11-29 05:13:40,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2023-11-29 05:13:40,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 266. [2023-11-29 05:13:40,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 148 states have (on average 1.3175675675675675) internal successors, (195), 149 states have internal predecessors, (195), 111 states have call successors, (111), 6 states have call predecessors, (111), 6 states have return successors, (111), 110 states have call predecessors, (111), 111 states have call successors, (111) [2023-11-29 05:13:40,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 417 transitions. [2023-11-29 05:13:40,739 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 417 transitions. Word has length 216 [2023-11-29 05:13:40,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:13:40,740 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 417 transitions. [2023-11-29 05:13:40,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 12 states have internal predecessors, (79), 4 states have call successors, (70), 3 states have call predecessors, (70), 5 states have return successors, (70), 4 states have call predecessors, (70), 4 states have call successors, (70) [2023-11-29 05:13:40,741 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 417 transitions. [2023-11-29 05:13:40,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2023-11-29 05:13:40,744 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:13:40,744 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:13:40,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/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)] Forceful destruction successful, exit code 0 [2023-11-29 05:13:40,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/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 05:13:40,945 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:13:40,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:13:40,946 INFO L85 PathProgramCache]: Analyzing trace with hash 931011767, now seen corresponding path program 1 times [2023-11-29 05:13:40,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:13:40,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1973488133] [2023-11-29 05:13:40,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:13:40,947 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 05:13:40,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:13:40,948 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/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 05:13:40,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/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 05:13:41,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:13:41,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 05:13:41,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:13:46,583 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 513 proven. 348 refuted. 0 times theorem prover too weak. 1519 trivial. 0 not checked. [2023-11-29 05:13:46,583 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:13:53,592 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:13:53,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1973488133] [2023-11-29 05:13:53,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1973488133] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:13:53,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1139545771] [2023-11-29 05:13:53,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:13:53,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 05:13:53,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 05:13:53,595 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 05:13:53,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-29 05:13:55,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:13:55,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-29 05:13:55,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:14:07,960 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 513 proven. 348 refuted. 0 times theorem prover too weak. 1519 trivial. 0 not checked. [2023-11-29 05:14:07,961 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:14:18,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 18 proven. 84 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-11-29 05:14:18,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1139545771] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:14:18,665 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 05:14:18,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 20, 11] total 46 [2023-11-29 05:14:18,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250899313] [2023-11-29 05:14:18,666 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 05:14:18,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-11-29 05:14:18,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:14:18,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-11-29 05:14:18,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=419, Invalid=2131, Unknown=0, NotChecked=0, Total=2550 [2023-11-29 05:14:18,670 INFO L87 Difference]: Start difference. First operand 266 states and 417 transitions. Second operand has 46 states, 46 states have (on average 3.5434782608695654) internal successors, (163), 46 states have internal predecessors, (163), 11 states have call successors, (104), 10 states have call predecessors, (104), 16 states have return successors, (105), 10 states have call predecessors, (105), 11 states have call successors, (105) [2023-11-29 05:14:42,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:14:44,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:14:47,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:15:29,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.98s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:15:33,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:15:34,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:15:36,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:15:38,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:15:41,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:15:44,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:15:44,758 INFO L93 Difference]: Finished difference Result 1419 states and 2080 transitions. [2023-11-29 05:15:44,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2023-11-29 05:15:44,761 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 3.5434782608695654) internal successors, (163), 46 states have internal predecessors, (163), 11 states have call successors, (104), 10 states have call predecessors, (104), 16 states have return successors, (105), 10 states have call predecessors, (105), 11 states have call successors, (105) Word has length 216 [2023-11-29 05:15:44,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:15:44,772 INFO L225 Difference]: With dead ends: 1419 [2023-11-29 05:15:44,772 INFO L226 Difference]: Without dead ends: 1218 [2023-11-29 05:15:44,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 778 GetRequests, 619 SyntacticMatches, 0 SemanticMatches, 159 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9117 ImplicationChecksByTransitivity, 68.1s TimeCoverageRelationStatistics Valid=3720, Invalid=22040, Unknown=0, NotChecked=0, Total=25760 [2023-11-29 05:15:44,783 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 1922 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 2479 mSolverCounterSat, 253 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1923 SdHoareTripleChecker+Valid, 1159 SdHoareTripleChecker+Invalid, 2732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 253 IncrementalHoareTripleChecker+Valid, 2479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.5s IncrementalHoareTripleChecker+Time [2023-11-29 05:15:44,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1923 Valid, 1159 Invalid, 2732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [253 Valid, 2479 Invalid, 0 Unknown, 0 Unchecked, 38.5s Time] [2023-11-29 05:15:44,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2023-11-29 05:15:44,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 355. [2023-11-29 05:15:44,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 231 states have (on average 1.303030303030303) internal successors, (301), 231 states have internal predecessors, (301), 105 states have call successors, (105), 18 states have call predecessors, (105), 18 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2023-11-29 05:15:44,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 511 transitions. [2023-11-29 05:15:44,858 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 511 transitions. Word has length 216 [2023-11-29 05:15:44,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:15:44,859 INFO L495 AbstractCegarLoop]: Abstraction has 355 states and 511 transitions. [2023-11-29 05:15:44,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 3.5434782608695654) internal successors, (163), 46 states have internal predecessors, (163), 11 states have call successors, (104), 10 states have call predecessors, (104), 16 states have return successors, (105), 10 states have call predecessors, (105), 11 states have call successors, (105) [2023-11-29 05:15:44,859 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 511 transitions. [2023-11-29 05:15:44,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-11-29 05:15:44,863 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:15:44,863 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:15:44,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-11-29 05:15:45,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/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 05:15:45,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/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 05:15:45,275 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:15:45,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:15:45,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1808882210, now seen corresponding path program 1 times [2023-11-29 05:15:45,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:15:45,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [520031137] [2023-11-29 05:15:45,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:15:45,276 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 05:15:45,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:15:45,277 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/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 05:15:45,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-29 05:15:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:15:45,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 05:15:45,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:15:48,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 412 proven. 93 refuted. 0 times theorem prover too weak. 1875 trivial. 0 not checked. [2023-11-29 05:15:48,399 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:15:49,097 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:15:49,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [520031137] [2023-11-29 05:15:49,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [520031137] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:15:49,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1528201070] [2023-11-29 05:15:49,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:15:49,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 05:15:49,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 05:15:49,099 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 05:15:49,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-29 05:15:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:15:50,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 05:15:50,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:15:52,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2023-11-29 05:15:52,196 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:15:52,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1528201070] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:15:52,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:15:52,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 10 [2023-11-29 05:15:52,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345944728] [2023-11-29 05:15:52,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:15:52,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:15:52,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:15:52,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:15:52,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2023-11-29 05:15:52,198 INFO L87 Difference]: Start difference. First operand 355 states and 511 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-11-29 05:15:56,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:15:59,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:15:59,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:15:59,219 INFO L93 Difference]: Finished difference Result 862 states and 1253 transitions. [2023-11-29 05:15:59,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 05:15:59,220 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 217 [2023-11-29 05:15:59,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:15:59,225 INFO L225 Difference]: With dead ends: 862 [2023-11-29 05:15:59,225 INFO L226 Difference]: Without dead ends: 604 [2023-11-29 05:15:59,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 458 GetRequests, 443 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2023-11-29 05:15:59,228 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 288 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-11-29 05:15:59,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 761 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2023-11-29 05:15:59,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2023-11-29 05:15:59,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 364. [2023-11-29 05:15:59,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 240 states have (on average 1.3041666666666667) internal successors, (313), 240 states have internal predecessors, (313), 105 states have call successors, (105), 18 states have call predecessors, (105), 18 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2023-11-29 05:15:59,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 523 transitions. [2023-11-29 05:15:59,303 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 523 transitions. Word has length 217 [2023-11-29 05:15:59,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:15:59,303 INFO L495 AbstractCegarLoop]: Abstraction has 364 states and 523 transitions. [2023-11-29 05:15:59,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-11-29 05:15:59,304 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 523 transitions. [2023-11-29 05:15:59,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-11-29 05:15:59,305 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:15:59,305 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:15:59,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-11-29 05:15:59,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-11-29 05:15:59,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 05:15:59,706 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:15:59,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:15:59,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1059258354, now seen corresponding path program 1 times [2023-11-29 05:15:59,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:15:59,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [795681201] [2023-11-29 05:15:59,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:15:59,707 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 05:15:59,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:15:59,708 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/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 05:15:59,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/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 05:16:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:16:00,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 05:16:00,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:16:03,231 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 412 proven. 93 refuted. 0 times theorem prover too weak. 1875 trivial. 0 not checked. [2023-11-29 05:16:03,232 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:16:08,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2023-11-29 05:16:08,796 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:16:08,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [795681201] [2023-11-29 05:16:08,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [795681201] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 05:16:08,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:16:08,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2023-11-29 05:16:08,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689678533] [2023-11-29 05:16:08,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:16:08,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:16:08,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:16:08,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:16:08,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:16:08,799 INFO L87 Difference]: Start difference. First operand 364 states and 523 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-11-29 05:16:25,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-11-29 05:16:30,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-11-29 05:16:32,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-11-29 05:16:33,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:16:33,006 INFO L93 Difference]: Finished difference Result 1093 states and 1592 transitions. [2023-11-29 05:16:33,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:16:33,015 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 218 [2023-11-29 05:16:33,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:16:33,021 INFO L225 Difference]: With dead ends: 1093 [2023-11-29 05:16:33,021 INFO L226 Difference]: Without dead ends: 835 [2023-11-29 05:16:33,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 422 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:16:33,023 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 353 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:16:33,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 453 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 24.0s Time] [2023-11-29 05:16:33,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2023-11-29 05:16:33,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 368. [2023-11-29 05:16:33,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 244 states have (on average 1.2991803278688525) internal successors, (317), 244 states have internal predecessors, (317), 105 states have call successors, (105), 18 states have call predecessors, (105), 18 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2023-11-29 05:16:33,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 527 transitions. [2023-11-29 05:16:33,135 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 527 transitions. Word has length 218 [2023-11-29 05:16:33,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:16:33,136 INFO L495 AbstractCegarLoop]: Abstraction has 368 states and 527 transitions. [2023-11-29 05:16:33,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-11-29 05:16:33,136 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 527 transitions. [2023-11-29 05:16:33,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-11-29 05:16:33,138 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:16:33,138 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:16:33,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/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 05:16:33,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/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 05:16:33,339 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:16:33,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:16:33,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1452285364, now seen corresponding path program 1 times [2023-11-29 05:16:33,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:16:33,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1854792531] [2023-11-29 05:16:33,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:16:33,340 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 05:16:33,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:16:33,341 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/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 05:16:33,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/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 05:16:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:16:33,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 05:16:33,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:16:36,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 563 proven. 177 refuted. 0 times theorem prover too weak. 1640 trivial. 0 not checked. [2023-11-29 05:16:36,892 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:16:37,804 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:16:37,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1854792531] [2023-11-29 05:16:37,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1854792531] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:16:37,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [43679449] [2023-11-29 05:16:37,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:16:37,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 05:16:37,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 05:16:37,806 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 05:16:37,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-29 05:16:39,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:16:39,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 05:16:39,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:16:41,294 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 624 proven. 87 refuted. 0 times theorem prover too weak. 1669 trivial. 0 not checked. [2023-11-29 05:16:41,294 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:16:41,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [43679449] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:16:41,696 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:16:41,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 11 [2023-11-29 05:16:41,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990364234] [2023-11-29 05:16:41,697 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:16:41,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:16:41,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:16:41,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:16:41,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2023-11-29 05:16:41,699 INFO L87 Difference]: Start difference. First operand 368 states and 527 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 4 states have call successors, (66), 4 states have call predecessors, (66), 6 states have return successors, (67), 4 states have call predecessors, (67), 4 states have call successors, (67) [2023-11-29 05:16:47,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:16:49,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:16:50,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:16:50,053 INFO L93 Difference]: Finished difference Result 943 states and 1351 transitions. [2023-11-29 05:16:50,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-29 05:16:50,054 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 4 states have call successors, (66), 4 states have call predecessors, (66), 6 states have return successors, (67), 4 states have call predecessors, (67), 4 states have call successors, (67) Word has length 218 [2023-11-29 05:16:50,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:16:50,058 INFO L225 Difference]: With dead ends: 943 [2023-11-29 05:16:50,058 INFO L226 Difference]: Without dead ends: 683 [2023-11-29 05:16:50,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 654 GetRequests, 629 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=226, Invalid=476, Unknown=0, NotChecked=0, Total=702 [2023-11-29 05:16:50,060 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 131 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:16:50,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 431 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 652 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2023-11-29 05:16:50,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2023-11-29 05:16:50,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 599. [2023-11-29 05:16:50,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 393 states have (on average 1.2900763358778626) internal successors, (507), 393 states have internal predecessors, (507), 175 states have call successors, (175), 30 states have call predecessors, (175), 30 states have return successors, (175), 175 states have call predecessors, (175), 175 states have call successors, (175) [2023-11-29 05:16:50,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 857 transitions. [2023-11-29 05:16:50,157 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 857 transitions. Word has length 218 [2023-11-29 05:16:50,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:16:50,157 INFO L495 AbstractCegarLoop]: Abstraction has 599 states and 857 transitions. [2023-11-29 05:16:50,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 4 states have call successors, (66), 4 states have call predecessors, (66), 6 states have return successors, (67), 4 states have call predecessors, (67), 4 states have call successors, (67) [2023-11-29 05:16:50,158 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 857 transitions. [2023-11-29 05:16:50,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-11-29 05:16:50,160 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:16:50,160 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:16:50,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/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 05:16:50,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-11-29 05:16:50,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/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_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 05:16:50,561 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:16:50,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:16:50,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1634743757, now seen corresponding path program 1 times [2023-11-29 05:16:50,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:16:50,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [212286785] [2023-11-29 05:16:50,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:16:50,562 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 05:16:50,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:16:50,563 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/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 05:16:50,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/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 05:16:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:16:51,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:16:51,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:16:51,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 918 proven. 24 refuted. 0 times theorem prover too weak. 1438 trivial. 0 not checked. [2023-11-29 05:16:51,367 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:16:51,697 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 78 proven. 24 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-11-29 05:16:51,697 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:16:51,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [212286785] [2023-11-29 05:16:51,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [212286785] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:16:51,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:16:51,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-29 05:16:51,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894720804] [2023-11-29 05:16:51,698 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:16:51,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:16:51,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:16:51,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:16:51,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:16:51,700 INFO L87 Difference]: Start difference. First operand 599 states and 857 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-11-29 05:16:55,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.44s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:16:56,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:16:56,083 INFO L93 Difference]: Finished difference Result 1154 states and 1627 transitions. [2023-11-29 05:16:56,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:16:56,135 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 218 [2023-11-29 05:16:56,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:16:56,138 INFO L225 Difference]: With dead ends: 1154 [2023-11-29 05:16:56,138 INFO L226 Difference]: Without dead ends: 659 [2023-11-29 05:16:56,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 428 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-29 05:16:56,140 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 156 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:16:56,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 213 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-11-29 05:16:56,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2023-11-29 05:16:56,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 619. [2023-11-29 05:16:56,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 408 states have (on average 1.2475490196078431) internal successors, (509), 408 states have internal predecessors, (509), 175 states have call successors, (175), 35 states have call predecessors, (175), 35 states have return successors, (175), 175 states have call predecessors, (175), 175 states have call successors, (175) [2023-11-29 05:16:56,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 859 transitions. [2023-11-29 05:16:56,256 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 859 transitions. Word has length 218 [2023-11-29 05:16:56,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:16:56,256 INFO L495 AbstractCegarLoop]: Abstraction has 619 states and 859 transitions. [2023-11-29 05:16:56,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-11-29 05:16:56,257 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 859 transitions. [2023-11-29 05:16:56,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-11-29 05:16:56,258 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:16:56,258 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:16:56,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/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 05:16:56,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/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 05:16:56,459 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:16:56,459 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:16:56,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1634803339, now seen corresponding path program 1 times [2023-11-29 05:16:56,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:16:56,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1070295869] [2023-11-29 05:16:56,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:16:56,460 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 05:16:56,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:16:56,461 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/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 05:16:56,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f1a90c-a85c-4a0d-af04-11803175949c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-11-29 05:16:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:16:57,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-29 05:16:57,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:20:46,926 WARN L293 SmtUtils]: Spent 57.94s on a formula simplification that was a NOOP. DAG size: 90 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 05:21:54,266 WARN L293 SmtUtils]: Spent 5.20s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:21:59,749 WARN L293 SmtUtils]: Spent 5.48s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:22:22,868 WARN L293 SmtUtils]: Spent 6.26s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:22:30,042 WARN L293 SmtUtils]: Spent 5.38s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:23:20,201 WARN L293 SmtUtils]: Spent 5.37s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:23:45,856 WARN L293 SmtUtils]: Spent 5.62s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)