./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-47.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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 91a11786ba55a8e491d7226fcd7d1ca56ffd0e48f1d135e45758a1f15a987a08 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:52:00,700 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:52:00,777 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 00:52:00,784 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:52:00,784 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:52:00,811 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:52:00,812 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:52:00,812 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:52:00,813 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 00:52:00,814 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 00:52:00,815 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:52:00,816 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:52:00,816 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:52:00,817 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:52:00,818 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:52:00,818 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:52:00,819 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:52:00,820 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 00:52:00,820 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 00:52:00,821 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 00:52:00,821 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:52:00,822 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:52:00,823 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:52:00,823 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:52:00,824 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 00:52:00,824 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:52:00,825 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:52:00,825 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:52:00,826 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:52:00,826 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 00:52:00,827 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:52:00,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:52:00,827 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:52:00,828 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:52:00,828 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:52:00,828 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 00:52:00,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 00:52:00,829 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:52:00,829 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:52:00,829 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:52:00,830 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:52:00,830 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:52:00,830 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_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91a11786ba55a8e491d7226fcd7d1ca56ffd0e48f1d135e45758a1f15a987a08 [2023-11-29 00:52:01,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:52:01,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:52:01,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:52:01,142 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:52:01,143 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:52:01,145 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-47.i [2023-11-29 00:52:04,260 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:52:04,455 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:52:04,456 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-47.i [2023-11-29 00:52:04,467 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/data/c4195e19c/541f199aba2d434484547f7eee89d224/FLAGec9576386 [2023-11-29 00:52:04,481 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/data/c4195e19c/541f199aba2d434484547f7eee89d224 [2023-11-29 00:52:04,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:52:04,486 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:52:04,487 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:52:04,487 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:52:04,492 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:52:04,493 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:52:04" (1/1) ... [2023-11-29 00:52:04,494 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9704585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:52:04, skipping insertion in model container [2023-11-29 00:52:04,495 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:52:04" (1/1) ... [2023-11-29 00:52:04,537 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:52:04,689 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_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-47.i[919,932] [2023-11-29 00:52:04,770 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:52:04,782 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:52:04,794 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_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-47.i[919,932] [2023-11-29 00:52:04,833 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:52:04,853 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:52:04,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:52:04 WrapperNode [2023-11-29 00:52:04,853 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:52:04,854 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:52:04,855 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:52:04,855 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:52:04,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:52:04" (1/1) ... [2023-11-29 00:52:04,878 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:52:04" (1/1) ... [2023-11-29 00:52:04,929 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 323 [2023-11-29 00:52:04,930 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:52:04,931 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:52:04,931 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:52:04,931 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:52:04,943 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:52:04" (1/1) ... [2023-11-29 00:52:04,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:52:04" (1/1) ... [2023-11-29 00:52:04,949 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:52:04" (1/1) ... [2023-11-29 00:52:04,976 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 00:52:04,976 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:52:04" (1/1) ... [2023-11-29 00:52:04,977 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:52:04" (1/1) ... [2023-11-29 00:52:04,993 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:52:04" (1/1) ... [2023-11-29 00:52:04,998 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:52:04" (1/1) ... [2023-11-29 00:52:05,005 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:52:04" (1/1) ... [2023-11-29 00:52:05,010 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:52:04" (1/1) ... [2023-11-29 00:52:05,019 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:52:05,020 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:52:05,020 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:52:05,021 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:52:05,021 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:52:04" (1/1) ... [2023-11-29 00:52:05,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:52:05,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:52:05,054 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:52:05,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:52:05,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:52:05,101 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 00:52:05,101 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 00:52:05,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 00:52:05,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:52:05,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:52:05,219 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:52:05,221 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:52:05,808 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:52:05,855 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:52:05,855 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 00:52:05,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:52:05 BoogieIcfgContainer [2023-11-29 00:52:05,856 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:52:05,860 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:52:05,860 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:52:05,864 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:52:05,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:52:04" (1/3) ... [2023-11-29 00:52:05,865 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@196c873b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:52:05, skipping insertion in model container [2023-11-29 00:52:05,865 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:52:04" (2/3) ... [2023-11-29 00:52:05,866 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@196c873b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:52:05, skipping insertion in model container [2023-11-29 00:52:05,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:52:05" (3/3) ... [2023-11-29 00:52:05,868 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-47.i [2023-11-29 00:52:05,891 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:52:05,891 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 00:52:05,955 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:52:05,964 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;@1c1e1790, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:52:05,965 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 00:52:05,971 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 80 states have (on average 1.6) internal successors, (128), 81 states have internal predecessors, (128), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-29 00:52:05,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-11-29 00:52:05,996 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:52:05,997 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:52:05,998 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:52:06,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:52:06,005 INFO L85 PathProgramCache]: Analyzing trace with hash -153527022, now seen corresponding path program 1 times [2023-11-29 00:52:06,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:52:06,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041273459] [2023-11-29 00:52:06,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:52:06,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:52:06,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:52:06,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:52:06,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041273459] [2023-11-29 00:52:06,279 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 00:52:06,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150043808] [2023-11-29 00:52:06,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:52:06,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:52:06,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:52:06,281 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:52:06,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 00:52:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:52:06,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 00:52:06,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:52:06,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 2178 trivial. 0 not checked. [2023-11-29 00:52:06,625 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:52:06,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150043808] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:52:06,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:52:06,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:52:06,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929483486] [2023-11-29 00:52:06,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:52:06,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 00:52:06,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:52:06,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 00:52:06,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 00:52:06,677 INFO L87 Difference]: Start difference. First operand has 117 states, 80 states have (on average 1.6) internal successors, (128), 81 states have internal predecessors, (128), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-29 00:52:06,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:52:06,736 INFO L93 Difference]: Finished difference Result 231 states and 424 transitions. [2023-11-29 00:52:06,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 00:52:06,739 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 217 [2023-11-29 00:52:06,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:52:06,750 INFO L225 Difference]: With dead ends: 231 [2023-11-29 00:52:06,750 INFO L226 Difference]: Without dead ends: 115 [2023-11-29 00:52:06,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 216 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 00:52:06,759 INFO L413 NwaCegarLoop]: 184 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, 184 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 00:52:06,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 184 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:52:06,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-11-29 00:52:06,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2023-11-29 00:52:06,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 79 states have (on average 1.5063291139240507) internal successors, (119), 79 states have internal predecessors, (119), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-29 00:52:06,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 187 transitions. [2023-11-29 00:52:06,821 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 187 transitions. Word has length 217 [2023-11-29 00:52:06,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:52:06,822 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 187 transitions. [2023-11-29 00:52:06,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-29 00:52:06,823 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 187 transitions. [2023-11-29 00:52:06,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-11-29 00:52:06,829 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:52:06,829 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:52:06,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 00:52:07,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 00:52:07,030 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:52:07,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:52:07,031 INFO L85 PathProgramCache]: Analyzing trace with hash 2027795109, now seen corresponding path program 1 times [2023-11-29 00:52:07,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:52:07,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839757506] [2023-11-29 00:52:07,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:52:07,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:52:07,116 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:52:07,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1361443368] [2023-11-29 00:52:07,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:52:07,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:52:07,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:52:07,119 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:52:07,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 00:52:07,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:52:07,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 00:52:07,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:52:07,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 285 proven. 93 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2023-11-29 00:52:07,834 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:52:08,190 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 6 proven. 93 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2023-11-29 00:52:08,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:52:08,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839757506] [2023-11-29 00:52:08,191 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:52:08,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361443368] [2023-11-29 00:52:08,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1361443368] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:52:08,191 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:52:08,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-29 00:52:08,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732739970] [2023-11-29 00:52:08,192 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:52:08,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 00:52:08,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:52:08,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 00:52:08,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-29 00:52:08,197 INFO L87 Difference]: Start difference. First operand 115 states and 187 transitions. Second operand has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 3 states have call successors, (65), 2 states have call predecessors, (65), 4 states have return successors, (66), 3 states have call predecessors, (66), 3 states have call successors, (66) [2023-11-29 00:52:08,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:52:08,556 INFO L93 Difference]: Finished difference Result 235 states and 378 transitions. [2023-11-29 00:52:08,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 00:52:08,557 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 3 states have call successors, (65), 2 states have call predecessors, (65), 4 states have return successors, (66), 3 states have call predecessors, (66), 3 states have call successors, (66) Word has length 218 [2023-11-29 00:52:08,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:52:08,561 INFO L225 Difference]: With dead ends: 235 [2023-11-29 00:52:08,561 INFO L226 Difference]: Without dead ends: 121 [2023-11-29 00:52:08,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 439 GetRequests, 426 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2023-11-29 00:52:08,564 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 148 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:52:08,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 458 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 00:52:08,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-11-29 00:52:08,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2023-11-29 00:52:08,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 82 states have (on average 1.475609756097561) internal successors, (121), 82 states have internal predecessors, (121), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-29 00:52:08,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 189 transitions. [2023-11-29 00:52:08,585 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 189 transitions. Word has length 218 [2023-11-29 00:52:08,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:52:08,587 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 189 transitions. [2023-11-29 00:52:08,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 3 states have call successors, (65), 2 states have call predecessors, (65), 4 states have return successors, (66), 3 states have call predecessors, (66), 3 states have call successors, (66) [2023-11-29 00:52:08,587 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 189 transitions. [2023-11-29 00:52:08,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2023-11-29 00:52:08,592 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:52:08,592 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:52:08,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 00:52:08,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:52:08,796 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:52:08,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:52:08,797 INFO L85 PathProgramCache]: Analyzing trace with hash -566182059, now seen corresponding path program 1 times [2023-11-29 00:52:08,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:52:08,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903772676] [2023-11-29 00:52:08,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:52:08,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:52:08,847 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:52:08,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1318593485] [2023-11-29 00:52:08,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:52:08,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:52:08,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:52:08,849 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:52:08,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 00:52:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:52:09,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 00:52:09,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:52:09,028 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 00:52:09,029 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:52:09,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:52:09,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903772676] [2023-11-29 00:52:09,029 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:52:09,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318593485] [2023-11-29 00:52:09,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318593485] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:52:09,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:52:09,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:52:09,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824321040] [2023-11-29 00:52:09,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:52:09,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:52:09,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:52:09,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:52:09,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:52:09,032 INFO L87 Difference]: Start difference. First operand 119 states and 189 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 00:52:09,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:52:09,086 INFO L93 Difference]: Finished difference Result 347 states and 552 transitions. [2023-11-29 00:52:09,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:52:09,087 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 219 [2023-11-29 00:52:09,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:52:09,091 INFO L225 Difference]: With dead ends: 347 [2023-11-29 00:52:09,091 INFO L226 Difference]: Without dead ends: 229 [2023-11-29 00:52:09,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 217 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 00:52:09,093 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 169 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:52:09,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 385 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:52:09,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2023-11-29 00:52:09,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 211. [2023-11-29 00:52:09,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 138 states have (on average 1.391304347826087) internal successors, (192), 138 states have internal predecessors, (192), 68 states have call successors, (68), 4 states have call predecessors, (68), 4 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2023-11-29 00:52:09,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 328 transitions. [2023-11-29 00:52:09,138 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 328 transitions. Word has length 219 [2023-11-29 00:52:09,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:52:09,140 INFO L495 AbstractCegarLoop]: Abstraction has 211 states and 328 transitions. [2023-11-29 00:52:09,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 00:52:09,140 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 328 transitions. [2023-11-29 00:52:09,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2023-11-29 00:52:09,144 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:52:09,144 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:52:09,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-29 00:52:09,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:52:09,345 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:52:09,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:52:09,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1577299309, now seen corresponding path program 1 times [2023-11-29 00:52:09,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:52:09,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083568905] [2023-11-29 00:52:09,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:52:09,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:52:09,389 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:52:09,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [970307370] [2023-11-29 00:52:09,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:52:09,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:52:09,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:52:09,391 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:52:09,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 00:52:09,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:52:09,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 00:52:09,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:52:09,832 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1143 proven. 54 refuted. 0 times theorem prover too weak. 1047 trivial. 0 not checked. [2023-11-29 00:52:09,833 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:52:10,168 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 45 proven. 54 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2023-11-29 00:52:10,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:52:10,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083568905] [2023-11-29 00:52:10,168 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:52:10,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970307370] [2023-11-29 00:52:10,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970307370] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:52:10,169 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:52:10,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-11-29 00:52:10,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157120674] [2023-11-29 00:52:10,169 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:52:10,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 00:52:10,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:52:10,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 00:52:10,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:52:10,172 INFO L87 Difference]: Start difference. First operand 211 states and 328 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 2 states have call successors, (52), 2 states have call predecessors, (52), 4 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2023-11-29 00:52:11,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:52:11,392 INFO L93 Difference]: Finished difference Result 606 states and 931 transitions. [2023-11-29 00:52:11,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 00:52:11,393 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 2 states have call successors, (52), 2 states have call predecessors, (52), 4 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) Word has length 219 [2023-11-29 00:52:11,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:52:11,399 INFO L225 Difference]: With dead ends: 606 [2023-11-29 00:52:11,399 INFO L226 Difference]: Without dead ends: 396 [2023-11-29 00:52:11,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 455 GetRequests, 430 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2023-11-29 00:52:11,402 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 514 mSDsluCounter, 777 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 546 SdHoareTripleChecker+Valid, 1065 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 00:52:11,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [546 Valid, 1065 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 652 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 00:52:11,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2023-11-29 00:52:11,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 347. [2023-11-29 00:52:11,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 219 states have (on average 1.3242009132420092) internal successors, (290), 221 states have internal predecessors, (290), 117 states have call successors, (117), 10 states have call predecessors, (117), 10 states have return successors, (117), 115 states have call predecessors, (117), 117 states have call successors, (117) [2023-11-29 00:52:11,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 524 transitions. [2023-11-29 00:52:11,509 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 524 transitions. Word has length 219 [2023-11-29 00:52:11,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:52:11,510 INFO L495 AbstractCegarLoop]: Abstraction has 347 states and 524 transitions. [2023-11-29 00:52:11,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 2 states have call successors, (52), 2 states have call predecessors, (52), 4 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2023-11-29 00:52:11,511 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 524 transitions. [2023-11-29 00:52:11,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2023-11-29 00:52:11,515 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:52:11,515 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:52:11,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-29 00:52:11,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:52:11,717 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:52:11,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:52:11,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1028724245, now seen corresponding path program 1 times [2023-11-29 00:52:11,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:52:11,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326646886] [2023-11-29 00:52:11,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:52:11,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:52:11,774 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:52:11,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [537486269] [2023-11-29 00:52:11,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:52:11,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:52:11,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:52:11,776 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:52:11,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 00:52:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:52:11,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 00:52:11,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:52:12,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 00:52:12,023 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:52:12,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:52:12,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326646886] [2023-11-29 00:52:12,023 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:52:12,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [537486269] [2023-11-29 00:52:12,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [537486269] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:52:12,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:52:12,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:52:12,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681878637] [2023-11-29 00:52:12,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:52:12,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:52:12,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:52:12,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:52:12,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:52:12,027 INFO L87 Difference]: Start difference. First operand 347 states and 524 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 00:52:12,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:52:12,203 INFO L93 Difference]: Finished difference Result 792 states and 1199 transitions. [2023-11-29 00:52:12,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:52:12,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 219 [2023-11-29 00:52:12,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:52:12,211 INFO L225 Difference]: With dead ends: 792 [2023-11-29 00:52:12,211 INFO L226 Difference]: Without dead ends: 474 [2023-11-29 00:52:12,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 217 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 00:52:12,213 INFO L413 NwaCegarLoop]: 301 mSDtfsCounter, 167 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:52:12,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 443 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:52:12,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2023-11-29 00:52:12,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 455. [2023-11-29 00:52:12,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 290 states have (on average 1.2724137931034483) internal successors, (369), 292 states have internal predecessors, (369), 151 states have call successors, (151), 13 states have call predecessors, (151), 13 states have return successors, (151), 149 states have call predecessors, (151), 151 states have call successors, (151) [2023-11-29 00:52:12,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 671 transitions. [2023-11-29 00:52:12,272 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 671 transitions. Word has length 219 [2023-11-29 00:52:12,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:52:12,273 INFO L495 AbstractCegarLoop]: Abstraction has 455 states and 671 transitions. [2023-11-29 00:52:12,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 00:52:12,274 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 671 transitions. [2023-11-29 00:52:12,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-11-29 00:52:12,277 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:52:12,278 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:52:12,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 00:52:12,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:52:12,479 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:52:12,479 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:52:12,479 INFO L85 PathProgramCache]: Analyzing trace with hash 732752159, now seen corresponding path program 1 times [2023-11-29 00:52:12,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:52:12,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093293090] [2023-11-29 00:52:12,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:52:12,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:52:12,523 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:52:12,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [117697991] [2023-11-29 00:52:12,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:52:12,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:52:12,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:52:12,525 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:52:12,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 00:52:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:52:12,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 00:52:12,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:52:13,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 00:52:13,590 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:52:13,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:52:13,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093293090] [2023-11-29 00:52:13,591 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:52:13,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [117697991] [2023-11-29 00:52:13,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [117697991] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:52:13,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:52:13,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:52:13,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627589184] [2023-11-29 00:52:13,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:52:13,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:52:13,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:52:13,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:52:13,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:52:13,594 INFO L87 Difference]: Start difference. First operand 455 states and 671 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 00:52:14,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:52:14,013 INFO L93 Difference]: Finished difference Result 975 states and 1450 transitions. [2023-11-29 00:52:14,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:52:14,014 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 220 [2023-11-29 00:52:14,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:52:14,020 INFO L225 Difference]: With dead ends: 975 [2023-11-29 00:52:14,020 INFO L226 Difference]: Without dead ends: 549 [2023-11-29 00:52:14,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:52:14,024 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 90 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:52:14,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 491 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 00:52:14,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2023-11-29 00:52:14,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 417. [2023-11-29 00:52:14,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 268 states have (on average 1.2723880597014925) internal successors, (341), 268 states have internal predecessors, (341), 136 states have call successors, (136), 12 states have call predecessors, (136), 12 states have return successors, (136), 136 states have call predecessors, (136), 136 states have call successors, (136) [2023-11-29 00:52:14,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 613 transitions. [2023-11-29 00:52:14,083 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 613 transitions. Word has length 220 [2023-11-29 00:52:14,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:52:14,084 INFO L495 AbstractCegarLoop]: Abstraction has 417 states and 613 transitions. [2023-11-29 00:52:14,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 00:52:14,084 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 613 transitions. [2023-11-29 00:52:14,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-11-29 00:52:14,088 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:52:14,088 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:52:14,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-29 00:52:14,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-29 00:52:14,289 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:52:14,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:52:14,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1072686175, now seen corresponding path program 1 times [2023-11-29 00:52:14,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:52:14,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535612560] [2023-11-29 00:52:14,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:52:14,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:52:14,333 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:52:14,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1672894363] [2023-11-29 00:52:14,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:52:14,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:52:14,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:52:14,335 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:52:14,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 00:52:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:52:14,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 00:52:14,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:52:15,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 00:52:15,696 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:52:15,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:52:15,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535612560] [2023-11-29 00:52:15,696 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:52:15,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672894363] [2023-11-29 00:52:15,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1672894363] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:52:15,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:52:15,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:52:15,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387772719] [2023-11-29 00:52:15,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:52:15,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:52:15,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:52:15,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:52:15,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:52:15,700 INFO L87 Difference]: Start difference. First operand 417 states and 613 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 2 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 00:52:15,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:52:15,873 INFO L93 Difference]: Finished difference Result 769 states and 1133 transitions. [2023-11-29 00:52:15,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:52:15,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 2 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 220 [2023-11-29 00:52:15,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:52:15,878 INFO L225 Difference]: With dead ends: 769 [2023-11-29 00:52:15,879 INFO L226 Difference]: Without dead ends: 436 [2023-11-29 00:52:15,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 218 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 00:52:15,882 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 32 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:52:15,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 301 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:52:15,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2023-11-29 00:52:15,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 412. [2023-11-29 00:52:15,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 263 states have (on average 1.2661596958174905) internal successors, (333), 263 states have internal predecessors, (333), 136 states have call successors, (136), 12 states have call predecessors, (136), 12 states have return successors, (136), 136 states have call predecessors, (136), 136 states have call successors, (136) [2023-11-29 00:52:15,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 605 transitions. [2023-11-29 00:52:15,962 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 605 transitions. Word has length 220 [2023-11-29 00:52:15,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:52:15,963 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 605 transitions. [2023-11-29 00:52:15,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 2 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 00:52:15,963 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 605 transitions. [2023-11-29 00:52:15,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2023-11-29 00:52:15,966 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:52:15,967 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:52:15,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 00:52:16,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:52:16,168 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:52:16,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:52:16,168 INFO L85 PathProgramCache]: Analyzing trace with hash 165326956, now seen corresponding path program 1 times [2023-11-29 00:52:16,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:52:16,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933599905] [2023-11-29 00:52:16,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:52:16,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:52:16,222 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:52:16,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1703903074] [2023-11-29 00:52:16,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:52:16,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:52:16,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:52:16,225 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:52:16,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 00:52:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:52:16,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 00:52:16,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:52:16,778 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 00:52:16,778 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:52:16,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:52:16,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933599905] [2023-11-29 00:52:16,779 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:52:16,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1703903074] [2023-11-29 00:52:16,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1703903074] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:52:16,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:52:16,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:52:16,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10359490] [2023-11-29 00:52:16,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:52:16,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:52:16,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:52:16,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:52:16,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:52:16,782 INFO L87 Difference]: Start difference. First operand 412 states and 605 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 00:52:17,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:52:17,362 INFO L93 Difference]: Finished difference Result 1204 states and 1731 transitions. [2023-11-29 00:52:17,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 00:52:17,363 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 221 [2023-11-29 00:52:17,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:52:17,373 INFO L225 Difference]: With dead ends: 1204 [2023-11-29 00:52:17,373 INFO L226 Difference]: Without dead ends: 872 [2023-11-29 00:52:17,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:52:17,376 INFO L413 NwaCegarLoop]: 306 mSDtfsCounter, 275 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 966 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 00:52:17,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 966 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 00:52:17,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2023-11-29 00:52:17,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 661. [2023-11-29 00:52:17,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 437 states have (on average 1.2562929061784898) internal successors, (549), 440 states have internal predecessors, (549), 202 states have call successors, (202), 21 states have call predecessors, (202), 21 states have return successors, (202), 199 states have call predecessors, (202), 202 states have call successors, (202) [2023-11-29 00:52:17,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 953 transitions. [2023-11-29 00:52:17,496 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 953 transitions. Word has length 221 [2023-11-29 00:52:17,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:52:17,496 INFO L495 AbstractCegarLoop]: Abstraction has 661 states and 953 transitions. [2023-11-29 00:52:17,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 00:52:17,497 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 953 transitions. [2023-11-29 00:52:17,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2023-11-29 00:52:17,498 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:52:17,499 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:52:17,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 00:52:17,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:52:17,699 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:52:17,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:52:17,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1640111378, now seen corresponding path program 1 times [2023-11-29 00:52:17,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:52:17,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284370158] [2023-11-29 00:52:17,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:52:17,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:52:17,732 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:52:17,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [680862542] [2023-11-29 00:52:17,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:52:17,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:52:17,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:52:17,734 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:52:17,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 00:52:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:52:17,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 00:52:17,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:52:18,616 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 00:52:18,616 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:52:18,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:52:18,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284370158] [2023-11-29 00:52:18,617 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:52:18,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680862542] [2023-11-29 00:52:18,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [680862542] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:52:18,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:52:18,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:52:18,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484994513] [2023-11-29 00:52:18,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:52:18,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:52:18,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:52:18,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:52:18,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:52:18,620 INFO L87 Difference]: Start difference. First operand 661 states and 953 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 00:52:18,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:52:18,914 INFO L93 Difference]: Finished difference Result 1113 states and 1616 transitions. [2023-11-29 00:52:18,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:52:18,915 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 221 [2023-11-29 00:52:18,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:52:18,919 INFO L225 Difference]: With dead ends: 1113 [2023-11-29 00:52:18,920 INFO L226 Difference]: Without dead ends: 550 [2023-11-29 00:52:18,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:52:18,922 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 131 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:52:18,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 488 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 00:52:18,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2023-11-29 00:52:18,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 512. [2023-11-29 00:52:18,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 338 states have (on average 1.28698224852071) internal successors, (435), 339 states have internal predecessors, (435), 158 states have call successors, (158), 15 states have call predecessors, (158), 15 states have return successors, (158), 157 states have call predecessors, (158), 158 states have call successors, (158) [2023-11-29 00:52:18,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 751 transitions. [2023-11-29 00:52:18,974 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 751 transitions. Word has length 221 [2023-11-29 00:52:18,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:52:18,974 INFO L495 AbstractCegarLoop]: Abstraction has 512 states and 751 transitions. [2023-11-29 00:52:18,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 00:52:18,975 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 751 transitions. [2023-11-29 00:52:18,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-11-29 00:52:18,977 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:52:18,977 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:52:18,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 00:52:19,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:52:19,178 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:52:19,178 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:52:19,178 INFO L85 PathProgramCache]: Analyzing trace with hash -839663735, now seen corresponding path program 1 times [2023-11-29 00:52:19,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:52:19,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265874503] [2023-11-29 00:52:19,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:52:19,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:52:19,219 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:52:19,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1189725314] [2023-11-29 00:52:19,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:52:19,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:52:19,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:52:19,221 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:52:19,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 00:52:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:52:19,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-29 00:52:19,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:52:21,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1245 proven. 246 refuted. 0 times theorem prover too weak. 753 trivial. 0 not checked. [2023-11-29 00:52:21,387 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:52:25,345 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 114 proven. 174 refuted. 0 times theorem prover too weak. 1956 trivial. 0 not checked. [2023-11-29 00:52:25,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:52:25,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265874503] [2023-11-29 00:52:25,346 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:52:25,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189725314] [2023-11-29 00:52:25,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189725314] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:52:25,346 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:52:25,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 26 [2023-11-29 00:52:25,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116431647] [2023-11-29 00:52:25,347 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:52:25,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-11-29 00:52:25,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:52:25,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-11-29 00:52:25,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=465, Unknown=0, NotChecked=0, Total=650 [2023-11-29 00:52:25,351 INFO L87 Difference]: Start difference. First operand 512 states and 751 transitions. Second operand has 26 states, 25 states have (on average 5.2) internal successors, (130), 23 states have internal predecessors, (130), 9 states have call successors, (68), 6 states have call predecessors, (68), 11 states have return successors, (68), 9 states have call predecessors, (68), 9 states have call successors, (68) [2023-11-29 00:52:40,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:52:42,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:52:42,147 INFO L93 Difference]: Finished difference Result 1738 states and 2431 transitions. [2023-11-29 00:52:42,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-11-29 00:52:42,148 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 5.2) internal successors, (130), 23 states have internal predecessors, (130), 9 states have call successors, (68), 6 states have call predecessors, (68), 11 states have return successors, (68), 9 states have call predecessors, (68), 9 states have call successors, (68) Word has length 222 [2023-11-29 00:52:42,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:52:42,155 INFO L225 Difference]: With dead ends: 1738 [2023-11-29 00:52:42,155 INFO L226 Difference]: Without dead ends: 1332 [2023-11-29 00:52:42,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 517 GetRequests, 433 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2756 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=2011, Invalid=5299, Unknown=0, NotChecked=0, Total=7310 [2023-11-29 00:52:42,161 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 1019 mSDsluCounter, 1206 mSDsCounter, 0 mSdLazyCounter, 2066 mSolverCounterSat, 596 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1023 SdHoareTripleChecker+Valid, 1390 SdHoareTripleChecker+Invalid, 2663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 596 IncrementalHoareTripleChecker+Valid, 2066 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2023-11-29 00:52:42,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1023 Valid, 1390 Invalid, 2663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [596 Valid, 2066 Invalid, 1 Unknown, 0 Unchecked, 8.4s Time] [2023-11-29 00:52:42,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1332 states. [2023-11-29 00:52:42,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1332 to 1123. [2023-11-29 00:52:42,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 782 states have (on average 1.2199488491048593) internal successors, (954), 786 states have internal predecessors, (954), 286 states have call successors, (286), 54 states have call predecessors, (286), 54 states have return successors, (286), 282 states have call predecessors, (286), 286 states have call successors, (286) [2023-11-29 00:52:42,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1526 transitions. [2023-11-29 00:52:42,348 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1526 transitions. Word has length 222 [2023-11-29 00:52:42,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:52:42,348 INFO L495 AbstractCegarLoop]: Abstraction has 1123 states and 1526 transitions. [2023-11-29 00:52:42,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 5.2) internal successors, (130), 23 states have internal predecessors, (130), 9 states have call successors, (68), 6 states have call predecessors, (68), 11 states have return successors, (68), 9 states have call predecessors, (68), 9 states have call successors, (68) [2023-11-29 00:52:42,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1526 transitions. [2023-11-29 00:52:42,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2023-11-29 00:52:42,350 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:52:42,351 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:52:42,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-29 00:52:42,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:52:42,551 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:52:42,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:52:42,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1352700373, now seen corresponding path program 1 times [2023-11-29 00:52:42,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:52:42,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572490381] [2023-11-29 00:52:42,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:52:42,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:52:42,586 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:52:42,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1312115321] [2023-11-29 00:52:42,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:52:42,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:52:42,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:52:42,587 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:52:42,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 00:52:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:52:43,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 00:52:43,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:52:43,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 285 proven. 93 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2023-11-29 00:52:43,817 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:52:45,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:52:45,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572490381] [2023-11-29 00:52:45,736 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:52:45,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312115321] [2023-11-29 00:52:45,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312115321] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:52:45,736 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:52:45,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2023-11-29 00:52:45,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250557978] [2023-11-29 00:52:45,737 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 00:52:45,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 00:52:45,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:52:45,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 00:52:45,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2023-11-29 00:52:45,738 INFO L87 Difference]: Start difference. First operand 1123 states and 1526 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 states have internal predecessors, (62), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-29 00:52:46,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:52:46,672 INFO L93 Difference]: Finished difference Result 2187 states and 2944 transitions. [2023-11-29 00:52:46,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 00:52:46,673 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 states have internal predecessors, (62), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 223 [2023-11-29 00:52:46,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:52:46,680 INFO L225 Difference]: With dead ends: 2187 [2023-11-29 00:52:46,680 INFO L226 Difference]: Without dead ends: 1286 [2023-11-29 00:52:46,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 435 GetRequests, 418 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2023-11-29 00:52:46,706 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 104 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 00:52:46,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 854 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 00:52:46,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2023-11-29 00:52:46,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 1258. [2023-11-29 00:52:46,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1258 states, 905 states have (on average 1.2132596685082873) internal successors, (1098), 913 states have internal predecessors, (1098), 294 states have call successors, (294), 58 states have call predecessors, (294), 58 states have return successors, (294), 286 states have call predecessors, (294), 294 states have call successors, (294) [2023-11-29 00:52:46,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 1258 states and 1686 transitions. [2023-11-29 00:52:46,857 INFO L78 Accepts]: Start accepts. Automaton has 1258 states and 1686 transitions. Word has length 223 [2023-11-29 00:52:46,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:52:46,858 INFO L495 AbstractCegarLoop]: Abstraction has 1258 states and 1686 transitions. [2023-11-29 00:52:46,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 states have internal predecessors, (62), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-29 00:52:46,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1686 transitions. [2023-11-29 00:52:46,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2023-11-29 00:52:46,859 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:52:46,859 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:52:46,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-29 00:52:47,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:52:47,060 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:52:47,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:52:47,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1295442071, now seen corresponding path program 1 times [2023-11-29 00:52:47,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:52:47,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767786460] [2023-11-29 00:52:47,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:52:47,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:52:47,097 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:52:47,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1508947573] [2023-11-29 00:52:47,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:52:47,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:52:47,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:52:47,099 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:52:47,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 00:52:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:52:47,382 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:52:47,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:52:47,576 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:52:47,576 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 00:52:47,577 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 00:52:47,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-29 00:52:47,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-29 00:52:47,783 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:52:47,786 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 00:52:47,918 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 00:52:47,920 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-29 00:52:47,924 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2023-11-29 00:52:47,924 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2023-11-29 00:52:47,925 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite9 could not be translated [2023-11-29 00:52:47,925 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short32 could not be translated [2023-11-29 00:52:47,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 12:52:47 BoogieIcfgContainer [2023-11-29 00:52:47,958 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 00:52:47,959 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 00:52:47,959 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 00:52:47,959 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 00:52:47,959 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:52:05" (3/4) ... [2023-11-29 00:52:47,961 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 00:52:47,962 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 00:52:47,963 INFO L158 Benchmark]: Toolchain (without parser) took 43477.31ms. Allocated memory was 165.7MB in the beginning and 285.2MB in the end (delta: 119.5MB). Free memory was 118.9MB in the beginning and 224.2MB in the end (delta: -105.2MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2023-11-29 00:52:47,963 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 165.7MB. Free memory is still 136.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:52:47,963 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.64ms. Allocated memory is still 165.7MB. Free memory was 118.7MB in the beginning and 102.4MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 00:52:47,964 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.48ms. Allocated memory is still 165.7MB. Free memory was 102.4MB in the beginning and 95.6MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 00:52:47,964 INFO L158 Benchmark]: Boogie Preprocessor took 88.92ms. Allocated memory is still 165.7MB. Free memory was 95.6MB in the beginning and 88.1MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 00:52:47,964 INFO L158 Benchmark]: RCFGBuilder took 836.21ms. Allocated memory was 165.7MB in the beginning and 237.0MB in the end (delta: 71.3MB). Free memory was 88.1MB in the beginning and 203.3MB in the end (delta: -115.2MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. [2023-11-29 00:52:47,965 INFO L158 Benchmark]: TraceAbstraction took 42098.43ms. Allocated memory was 237.0MB in the beginning and 285.2MB in the end (delta: 48.2MB). Free memory was 202.2MB in the beginning and 225.2MB in the end (delta: -23.0MB). Peak memory consumption was 172.3MB. Max. memory is 16.1GB. [2023-11-29 00:52:47,965 INFO L158 Benchmark]: Witness Printer took 3.84ms. Allocated memory is still 285.2MB. Free memory was 225.2MB in the beginning and 224.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:52:47,967 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 165.7MB. Free memory is still 136.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.64ms. Allocated memory is still 165.7MB. Free memory was 118.7MB in the beginning and 102.4MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.48ms. Allocated memory is still 165.7MB. Free memory was 102.4MB in the beginning and 95.6MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.92ms. Allocated memory is still 165.7MB. Free memory was 95.6MB in the beginning and 88.1MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 836.21ms. Allocated memory was 165.7MB in the beginning and 237.0MB in the end (delta: 71.3MB). Free memory was 88.1MB in the beginning and 203.3MB in the end (delta: -115.2MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. * TraceAbstraction took 42098.43ms. Allocated memory was 237.0MB in the beginning and 285.2MB in the end (delta: 48.2MB). Free memory was 202.2MB in the beginning and 225.2MB in the end (delta: -23.0MB). Peak memory consumption was 172.3MB. Max. memory is 16.1GB. * Witness Printer took 3.84ms. Allocated memory is still 285.2MB. Free memory was 225.2MB in the beginning and 224.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short32 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 208, overapproximation of someBinaryFLOATComparisonOperation at line 208, overapproximation of bitwiseOr at line 142. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 8; [L23] double var_1_3 = 0.875; [L24] unsigned short int var_1_4 = 49926; [L25] unsigned short int var_1_5 = 500; [L26] unsigned short int var_1_6 = 10; [L27] unsigned char var_1_8 = 64; [L28] unsigned short int var_1_9 = 5; [L29] unsigned char var_1_11 = 10; [L30] float var_1_12 = 0.19999999999999996; [L31] float var_1_13 = 9.2; [L32] float var_1_14 = 5.8; [L33] float var_1_15 = 31.25; [L34] unsigned char var_1_16 = 1; [L35] unsigned char var_1_17 = 0; [L36] unsigned char var_1_18 = 0; [L37] unsigned char var_1_19 = 1; [L38] unsigned short int var_1_20 = 256; [L39] unsigned short int var_1_21 = 23544; [L40] unsigned long int var_1_22 = 64; [L41] double var_1_23 = 100.75; [L42] double var_1_29 = 15.75; [L43] double var_1_30 = 10.3; [L44] signed long int var_1_31 = -16; [L45] unsigned char var_1_32 = 128; [L46] unsigned char var_1_33 = 1; [L47] unsigned long int var_1_34 = 64; [L48] unsigned long int var_1_35 = 2280229334; [L49] unsigned short int var_1_36 = 4; [L50] unsigned short int var_1_37 = 37841; [L51] double var_1_38 = 9.5; [L52] signed char var_1_39 = -5; [L53] signed char var_1_40 = 8; [L54] signed char var_1_41 = 8; [L55] signed char var_1_42 = -10; [L56] unsigned char var_1_43 = 1; [L57] unsigned char last_1_var_1_8 = 64; [L58] unsigned char last_1_var_1_19 = 1; [L59] unsigned short int last_1_var_1_20 = 256; [L60] unsigned long int last_1_var_1_22 = 64; [L212] isInitial = 1 [L213] FCALL initially() [L214] COND TRUE 1 [L215] CALL updateLastVariables() [L202] last_1_var_1_8 = var_1_8 [L203] last_1_var_1_19 = var_1_19 [L204] last_1_var_1_20 = var_1_20 [L205] last_1_var_1_22 = var_1_22 [L215] RET updateLastVariables() [L216] CALL updateVariables() [L147] var_1_3 = __VERIFIER_nondet_double() [L148] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L148] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L149] CALL assume_abort_if_not(var_1_3 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L149] RET assume_abort_if_not(var_1_3 != 0.0F) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L150] var_1_4 = __VERIFIER_nondet_ushort() [L151] CALL assume_abort_if_not(var_1_4 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L151] RET assume_abort_if_not(var_1_4 >= 49150) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L152] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L152] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L153] var_1_5 = __VERIFIER_nondet_ushort() [L154] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_6=10, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_6=10, var_1_8=64, var_1_9=5] [L154] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_6=10, var_1_8=64, var_1_9=5] [L155] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=10, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=10, var_1_8=64, var_1_9=5] [L155] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=10, var_1_8=64, var_1_9=5] [L156] var_1_6 = __VERIFIER_nondet_ushort() [L157] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_8=64, var_1_9=5] [L157] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_8=64, var_1_9=5] [L158] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=5] [L158] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=5] [L159] var_1_9 = __VERIFIER_nondet_ushort() [L160] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64] [L160] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64] [L161] CALL assume_abort_if_not(var_1_9 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L161] RET assume_abort_if_not(var_1_9 <= 32767) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L162] var_1_11 = __VERIFIER_nondet_uchar() [L163] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L163] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L164] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L164] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L165] var_1_13 = __VERIFIER_nondet_float() [L166] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L166] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L167] var_1_14 = __VERIFIER_nondet_float() [L168] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L168] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L169] var_1_15 = __VERIFIER_nondet_float() [L170] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L170] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L171] var_1_17 = __VERIFIER_nondet_uchar() [L172] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L172] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L173] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L173] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L174] var_1_18 = __VERIFIER_nondet_uchar() [L175] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L175] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L176] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L176] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L177] var_1_21 = __VERIFIER_nondet_ushort() [L178] CALL assume_abort_if_not(var_1_21 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L178] RET assume_abort_if_not(var_1_21 >= 16383) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L179] CALL assume_abort_if_not(var_1_21 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L179] RET assume_abort_if_not(var_1_21 <= 32767) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L180] var_1_29 = __VERIFIER_nondet_double() [L181] CALL assume_abort_if_not((var_1_29 >= -922337.2036854765600e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 9223372.036854765600e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L181] RET assume_abort_if_not((var_1_29 >= -922337.2036854765600e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 9223372.036854765600e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L182] var_1_33 = __VERIFIER_nondet_uchar() [L183] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L183] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L184] CALL assume_abort_if_not(var_1_33 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L184] RET assume_abort_if_not(var_1_33 <= 254) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L185] var_1_35 = __VERIFIER_nondet_ulong() [L186] CALL assume_abort_if_not(var_1_35 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=4294967294, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=4294967294, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L186] RET assume_abort_if_not(var_1_35 >= 2147483647) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=4294967294, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L187] CALL assume_abort_if_not(var_1_35 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=4294967294, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=4294967294, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L187] RET assume_abort_if_not(var_1_35 <= 4294967294) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=4294967294, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L188] var_1_37 = __VERIFIER_nondet_ushort() [L189] CALL assume_abort_if_not(var_1_37 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=4294967294, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=4294967294, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L189] RET assume_abort_if_not(var_1_37 >= 32767) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=4294967294, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L190] CALL assume_abort_if_not(var_1_37 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=4294967294, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=4294967294, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L190] RET assume_abort_if_not(var_1_37 <= 65534) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=4294967294, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L191] var_1_40 = __VERIFIER_nondet_char() [L192] CALL assume_abort_if_not(var_1_40 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=4294967294, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=0, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=4294967294, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=0, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L192] RET assume_abort_if_not(var_1_40 >= -127) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=4294967294, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=0, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L193] CALL assume_abort_if_not(var_1_40 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=4294967294, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=0, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=4294967294, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=0, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L193] RET assume_abort_if_not(var_1_40 <= 126) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=4294967294, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=0, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L194] var_1_41 = __VERIFIER_nondet_char() [L195] CALL assume_abort_if_not(var_1_41 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=4294967294, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=0, var_1_41=0, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=4294967294, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=0, var_1_41=0, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L195] RET assume_abort_if_not(var_1_41 >= -127) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=4294967294, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=0, var_1_41=0, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L196] CALL assume_abort_if_not(var_1_41 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=4294967294, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=0, var_1_41=0, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=4294967294, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=0, var_1_41=0, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L196] RET assume_abort_if_not(var_1_41 <= 126) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=4294967294, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=0, var_1_41=0, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L197] var_1_42 = __VERIFIER_nondet_char() [L198] CALL assume_abort_if_not(var_1_42 >= -126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=4294967294, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=0, var_1_41=0, var_1_42=-126, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=4294967294, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=0, var_1_41=0, var_1_42=-126, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L198] RET assume_abort_if_not(var_1_42 >= -126) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=4294967294, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=0, var_1_41=0, var_1_42=-126, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L199] CALL assume_abort_if_not(var_1_42 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=4294967294, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=0, var_1_41=0, var_1_42=-126, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=4294967294, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=0, var_1_41=0, var_1_42=-126, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L199] RET assume_abort_if_not(var_1_42 <= 126) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=4294967294, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=0, var_1_41=0, var_1_42=-126, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L216] RET updateVariables() [L217] CALL step() [L64] COND FALSE !(var_1_12 <= var_1_12) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=4294967294, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=0, var_1_41=0, var_1_42=-126, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L71] var_1_30 = var_1_29 [L72] var_1_31 = var_1_22 [L73] var_1_32 = var_1_33 VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=2, var_1_30=2, var_1_31=64, var_1_32=0, var_1_33=0, var_1_34=64, var_1_35=4294967294, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=0, var_1_41=0, var_1_42=-126, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L74] COND TRUE var_1_12 > 32.8 [L75] var_1_34 = (((((var_1_35 - var_1_20)) > (var_1_1)) ? ((var_1_35 - var_1_20)) : (var_1_1))) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=2, var_1_30=2, var_1_31=64, var_1_32=0, var_1_33=0, var_1_34=4294967038, var_1_35=4294967294, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=0, var_1_41=0, var_1_42=-126, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L77] EXPR var_1_20 & var_1_33 VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=2, var_1_30=2, var_1_31=64, var_1_32=0, var_1_33=0, var_1_34=4294967038, var_1_35=4294967294, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=0, var_1_41=0, var_1_42=-126, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L77] COND TRUE (var_1_20 & var_1_33) <= var_1_1 [L78] var_1_36 = 10 VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=2, var_1_30=2, var_1_31=64, var_1_32=0, var_1_33=0, var_1_34=4294967038, var_1_35=4294967294, var_1_36=10, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=0, var_1_41=0, var_1_42=-126, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L88] EXPR var_1_22 | (var_1_1 + var_1_20) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=2, var_1_30=2, var_1_31=64, var_1_32=0, var_1_33=0, var_1_34=4294967038, var_1_35=4294967294, var_1_36=10, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=0, var_1_41=0, var_1_42=-126, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L88] COND FALSE !(var_1_33 == (var_1_22 | (var_1_1 + var_1_20))) [L91] COND TRUE var_1_12 >= var_1_12 [L92] var_1_39 = ((((var_1_40) < (var_1_41)) ? (var_1_40) : (var_1_41))) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=2, var_1_30=2, var_1_31=64, var_1_32=0, var_1_33=0, var_1_34=4294967038, var_1_35=4294967294, var_1_36=10, var_1_37=32767, var_1_38=19/2, var_1_39=0, var_1_40=0, var_1_41=0, var_1_42=-126, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L96] COND FALSE !((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20))) / var_1_37) > (var_1_1 * 10)) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=2, var_1_30=2, var_1_31=64, var_1_32=0, var_1_33=0, var_1_34=4294967038, var_1_35=4294967294, var_1_36=10, var_1_37=32767, var_1_38=19/2, var_1_39=0, var_1_40=0, var_1_41=0, var_1_42=-126, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L103] COND TRUE (last_1_var_1_8 + last_1_var_1_20) > (((((last_1_var_1_8) < 0 ) ? -(last_1_var_1_8) : (last_1_var_1_8))) + last_1_var_1_22) [L104] var_1_16 = (last_1_var_1_19 || var_1_17) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=2, var_1_30=2, var_1_31=64, var_1_32=0, var_1_33=0, var_1_34=4294967038, var_1_35=4294967294, var_1_36=10, var_1_37=32767, var_1_38=19/2, var_1_39=0, var_1_40=0, var_1_41=0, var_1_42=-126, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L108] unsigned short int stepLocal_0 = var_1_5; VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_0=16383, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=2, var_1_30=2, var_1_31=64, var_1_32=0, var_1_33=0, var_1_34=4294967038, var_1_35=4294967294, var_1_36=10, var_1_37=32767, var_1_38=19/2, var_1_39=0, var_1_40=0, var_1_41=0, var_1_42=-126, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L109] COND FALSE !(stepLocal_0 >= (32796 - ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9))))) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_0=16383, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=2, var_1_30=2, var_1_31=64, var_1_32=0, var_1_33=0, var_1_34=4294967038, var_1_35=4294967294, var_1_36=10, var_1_37=32767, var_1_38=19/2, var_1_39=0, var_1_40=0, var_1_41=0, var_1_42=-126, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L114] unsigned short int stepLocal_2 = var_1_4; VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_0=16383, stepLocal_2=65534, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=2, var_1_30=2, var_1_31=64, var_1_32=0, var_1_33=0, var_1_34=4294967038, var_1_35=4294967294, var_1_36=10, var_1_37=32767, var_1_38=19/2, var_1_39=0, var_1_40=0, var_1_41=0, var_1_42=-126, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L115] COND TRUE var_1_8 <= stepLocal_2 VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_0=16383, stepLocal_2=65534, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=2, var_1_30=2, var_1_31=64, var_1_32=0, var_1_33=0, var_1_34=4294967038, var_1_35=4294967294, var_1_36=10, var_1_37=32767, var_1_38=19/2, var_1_39=0, var_1_40=0, var_1_41=0, var_1_42=-126, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L116] COND TRUE \read(var_1_16) [L117] var_1_20 = (var_1_4 - ((((var_1_21 - var_1_8) < 0 ) ? -(var_1_21 - var_1_8) : (var_1_21 - var_1_8)))) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_0=16383, stepLocal_2=65534, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=49215, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=2, var_1_30=2, var_1_31=64, var_1_32=0, var_1_33=0, var_1_34=4294967038, var_1_35=4294967294, var_1_36=10, var_1_37=32767, var_1_38=19/2, var_1_39=0, var_1_40=0, var_1_41=0, var_1_42=-126, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L124] COND TRUE \read(var_1_16) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_0=16383, stepLocal_2=65534, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=49215, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=2, var_1_30=2, var_1_31=64, var_1_32=0, var_1_33=0, var_1_34=4294967038, var_1_35=4294967294, var_1_36=10, var_1_37=32767, var_1_38=19/2, var_1_39=0, var_1_40=0, var_1_41=0, var_1_42=-126, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L125] COND FALSE !((var_1_8 * var_1_8) < var_1_11) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_0=16383, stepLocal_2=65534, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=49215, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=2, var_1_30=2, var_1_31=64, var_1_32=0, var_1_33=0, var_1_34=4294967038, var_1_35=4294967294, var_1_36=10, var_1_37=32767, var_1_38=19/2, var_1_39=0, var_1_40=0, var_1_41=0, var_1_42=-126, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L131] COND TRUE var_1_12 >= (1.3 / var_1_3) [L132] var_1_1 = ((var_1_4 - var_1_8) - var_1_8) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_0=16383, stepLocal_2=65534, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=65406, var_1_20=49215, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=2, var_1_30=2, var_1_31=64, var_1_32=0, var_1_33=0, var_1_34=4294967038, var_1_35=4294967294, var_1_36=10, var_1_37=32767, var_1_38=19/2, var_1_39=0, var_1_40=0, var_1_41=0, var_1_42=-126, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L136] unsigned char stepLocal_1 = var_1_1 < 64; VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_0=16383, stepLocal_1=0, stepLocal_2=65534, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=65406, var_1_20=49215, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=2, var_1_30=2, var_1_31=64, var_1_32=0, var_1_33=0, var_1_34=4294967038, var_1_35=4294967294, var_1_36=10, var_1_37=32767, var_1_38=19/2, var_1_39=0, var_1_40=0, var_1_41=0, var_1_42=-126, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L137] COND TRUE \read(var_1_16) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_0=16383, stepLocal_1=0, stepLocal_2=65534, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=65406, var_1_20=49215, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=2, var_1_30=2, var_1_31=64, var_1_32=0, var_1_33=0, var_1_34=4294967038, var_1_35=4294967294, var_1_36=10, var_1_37=32767, var_1_38=19/2, var_1_39=0, var_1_40=0, var_1_41=0, var_1_42=-126, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L138] COND TRUE stepLocal_1 || var_1_16 [L139] var_1_19 = var_1_17 VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_0=16383, stepLocal_1=0, stepLocal_2=65534, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=65406, var_1_20=49215, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=2, var_1_30=2, var_1_31=64, var_1_32=0, var_1_33=0, var_1_34=4294967038, var_1_35=4294967294, var_1_36=10, var_1_37=32767, var_1_38=19/2, var_1_39=0, var_1_40=0, var_1_41=0, var_1_42=-126, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L142] EXPR 2 ^ var_1_20 VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_0=16383, stepLocal_1=0, stepLocal_2=65534, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=65406, var_1_20=49215, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=2, var_1_30=2, var_1_31=64, var_1_32=0, var_1_33=0, var_1_34=4294967038, var_1_35=4294967294, var_1_36=10, var_1_37=32767, var_1_38=19/2, var_1_39=0, var_1_40=0, var_1_41=0, var_1_42=-126, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L142] EXPR (((var_1_4 * var_1_8)) > ((2 ^ var_1_20))) ? ((var_1_4 * var_1_8)) : ((2 ^ var_1_20)) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_0=16383, stepLocal_1=0, stepLocal_2=65534, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=65406, var_1_20=49215, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=2, var_1_30=2, var_1_31=64, var_1_32=0, var_1_33=0, var_1_34=4294967038, var_1_35=4294967294, var_1_36=10, var_1_37=32767, var_1_38=19/2, var_1_39=0, var_1_40=0, var_1_41=0, var_1_42=-126, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L142] COND FALSE !(var_1_1 >= (((((var_1_4 * var_1_8)) > ((2 ^ var_1_20))) ? ((var_1_4 * var_1_8)) : ((2 ^ var_1_20))))) [L217] RET step() [L218] CALL, EXPR property() [L208] EXPR (((((((var_1_12 >= (1.3 / var_1_3)) ? (var_1_1 == ((unsigned short int) ((var_1_4 - var_1_8) - var_1_8))) : (var_1_1 == ((unsigned short int) ((((var_1_8) < (var_1_4)) ? (var_1_8) : (var_1_4)))))) && ((var_1_5 >= (32796 - ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9))))) ? (last_1_var_1_19 ? (var_1_8 == ((unsigned char) var_1_11)) : 1) : 1)) && (var_1_16 ? (((var_1_8 * var_1_8) < var_1_11) ? (var_1_12 == ((float) ((((((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) > (var_1_15)) ? (((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) : (var_1_15))))) : 1) : (var_1_12 == ((float) var_1_14)))) && (((last_1_var_1_8 + last_1_var_1_20) > (((((last_1_var_1_8) < 0 ) ? -(last_1_var_1_8) : (last_1_var_1_8))) + last_1_var_1_22)) ? (var_1_16 == ((unsigned char) (last_1_var_1_19 || var_1_17))) : (var_1_16 == ((unsigned char) var_1_18)))) && (var_1_16 ? (((var_1_1 < 64) || var_1_16) ? (var_1_19 == ((unsigned char) var_1_17)) : 1) : 1)) && ((var_1_8 <= var_1_4) ? (var_1_16 ? (var_1_20 == ((unsigned short int) (var_1_4 - ((((var_1_21 - var_1_8) < 0 ) ? -(var_1_21 - var_1_8) : (var_1_21 - var_1_8)))))) : (var_1_20 == ((unsigned short int) 16))) : (var_1_20 == ((unsigned short int) (var_1_4 - var_1_8))))) && ((var_1_1 >= (((((var_1_4 * var_1_8)) > ((2 ^ var_1_20))) ? ((var_1_4 * var_1_8)) : ((2 ^ var_1_20))))) ? (var_1_22 == ((unsigned long int) var_1_1)) : 1) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=65406, var_1_20=49215, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=2, var_1_30=2, var_1_31=64, var_1_32=0, var_1_33=0, var_1_34=4294967038, var_1_35=4294967294, var_1_36=10, var_1_37=32767, var_1_38=19/2, var_1_39=0, var_1_40=0, var_1_41=0, var_1_42=-126, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L208-L209] return (((((((var_1_12 >= (1.3 / var_1_3)) ? (var_1_1 == ((unsigned short int) ((var_1_4 - var_1_8) - var_1_8))) : (var_1_1 == ((unsigned short int) ((((var_1_8) < (var_1_4)) ? (var_1_8) : (var_1_4)))))) && ((var_1_5 >= (32796 - ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9))))) ? (last_1_var_1_19 ? (var_1_8 == ((unsigned char) var_1_11)) : 1) : 1)) && (var_1_16 ? (((var_1_8 * var_1_8) < var_1_11) ? (var_1_12 == ((float) ((((((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) > (var_1_15)) ? (((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) : (var_1_15))))) : 1) : (var_1_12 == ((float) var_1_14)))) && (((last_1_var_1_8 + last_1_var_1_20) > (((((last_1_var_1_8) < 0 ) ? -(last_1_var_1_8) : (last_1_var_1_8))) + last_1_var_1_22)) ? (var_1_16 == ((unsigned char) (last_1_var_1_19 || var_1_17))) : (var_1_16 == ((unsigned char) var_1_18)))) && (var_1_16 ? (((var_1_1 < 64) || var_1_16) ? (var_1_19 == ((unsigned char) var_1_17)) : 1) : 1)) && ((var_1_8 <= var_1_4) ? (var_1_16 ? (var_1_20 == ((unsigned short int) (var_1_4 - ((((var_1_21 - var_1_8) < 0 ) ? -(var_1_21 - var_1_8) : (var_1_21 - var_1_8)))))) : (var_1_20 == ((unsigned short int) 16))) : (var_1_20 == ((unsigned short int) (var_1_4 - var_1_8))))) && ((var_1_1 >= (((((var_1_4 * var_1_8)) > ((2 ^ var_1_20))) ? ((var_1_4 * var_1_8)) : ((2 ^ var_1_20))))) ? (var_1_22 == ((unsigned long int) var_1_1)) : 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_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=65406, var_1_20=49215, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=2, var_1_30=2, var_1_31=64, var_1_32=0, var_1_33=0, var_1_34=4294967038, var_1_35=4294967294, var_1_36=10, var_1_37=32767, var_1_38=19/2, var_1_39=0, var_1_40=0, var_1_41=0, var_1_42=-126, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=65406, var_1_20=49215, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=2, var_1_30=2, var_1_31=64, var_1_32=0, var_1_33=0, var_1_34=4294967038, var_1_35=4294967294, var_1_36=10, var_1_37=32767, var_1_38=19/2, var_1_39=0, var_1_40=0, var_1_41=0, var_1_42=-126, var_1_43=1, var_1_4=65534, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 117 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 41.9s, OverallIterations: 12, TraceHistogramMax: 34, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 21.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 2691 SdHoareTripleChecker+Valid, 11.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2649 mSDsluCounter, 7025 SdHoareTripleChecker+Invalid, 10.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4773 mSDsCounter, 856 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4144 IncrementalHoareTripleChecker+Invalid, 5001 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 856 mSolverCounterUnsat, 2252 mSDtfsCounter, 4144 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3381 GetRequests, 3225 SyntacticMatches, 1 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2946 ImplicationChecksByTransitivity, 9.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1258occurred in iteration=11, InterpolantAutomatonStates: 137, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 11 MinimizatonAttempts, 730 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 13.2s InterpolantComputationTime, 2859 NumberOfCodeBlocks, 2859 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3064 ConstructedInterpolants, 0 QuantifiedInterpolants, 17443 SizeOfPredicates, 31 NumberOfNonLiveVariables, 5653 ConjunctsInSsa, 93 ConjunctsInUnsatCore, 14 InterpolantComputations, 7 PerfectInterpolantSequences, 30609/31416 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 00:52:48,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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 91a11786ba55a8e491d7226fcd7d1ca56ffd0e48f1d135e45758a1f15a987a08 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:52:49,963 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:52:50,043 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 00:52:50,050 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:52:50,050 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:52:50,081 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:52:50,081 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:52:50,082 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:52:50,083 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 00:52:50,083 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 00:52:50,084 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:52:50,085 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:52:50,085 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:52:50,086 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:52:50,087 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:52:50,087 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:52:50,088 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:52:50,088 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 00:52:50,089 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 00:52:50,090 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:52:50,090 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:52:50,091 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:52:50,091 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:52:50,092 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 00:52:50,092 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 00:52:50,092 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 00:52:50,093 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 00:52:50,093 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:52:50,093 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:52:50,094 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:52:50,094 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:52:50,095 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 00:52:50,095 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:52:50,095 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:52:50,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:52:50,096 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:52:50,097 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:52:50,097 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 00:52:50,097 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 00:52:50,097 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:52:50,098 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:52:50,098 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:52:50,098 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:52:50,098 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:52:50,099 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 00:52:50,099 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_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91a11786ba55a8e491d7226fcd7d1ca56ffd0e48f1d135e45758a1f15a987a08 [2023-11-29 00:52:50,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:52:50,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:52:50,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:52:50,449 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:52:50,449 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:52:50,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-47.i [2023-11-29 00:52:53,246 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:52:53,455 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:52:53,456 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-47.i [2023-11-29 00:52:53,467 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/data/b8c12a972/da427513feea47ea840e25075bc07a2a/FLAG2ed43f3ca [2023-11-29 00:52:53,483 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/data/b8c12a972/da427513feea47ea840e25075bc07a2a [2023-11-29 00:52:53,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:52:53,488 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:52:53,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:52:53,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:52:53,494 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:52:53,494 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:52:53" (1/1) ... [2023-11-29 00:52:53,495 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@302e4598 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:52:53, skipping insertion in model container [2023-11-29 00:52:53,496 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:52:53" (1/1) ... [2023-11-29 00:52:53,534 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:52:53,703 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_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-47.i[919,932] [2023-11-29 00:52:53,781 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:52:53,803 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:52:53,820 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_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-47.i[919,932] [2023-11-29 00:52:53,868 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:52:53,891 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:52:53,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:52:53 WrapperNode [2023-11-29 00:52:53,892 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:52:53,893 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:52:53,893 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:52:53,893 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:52:53,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:52:53" (1/1) ... [2023-11-29 00:52:53,918 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:52:53" (1/1) ... [2023-11-29 00:52:53,958 INFO L138 Inliner]: procedures = 27, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 218 [2023-11-29 00:52:53,959 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:52:53,960 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:52:53,960 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:52:53,960 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:52:53,974 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:52:53" (1/1) ... [2023-11-29 00:52:53,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:52:53" (1/1) ... [2023-11-29 00:52:53,981 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:52:53" (1/1) ... [2023-11-29 00:52:53,999 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 00:52:53,999 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:52:53" (1/1) ... [2023-11-29 00:52:54,000 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:52:53" (1/1) ... [2023-11-29 00:52:54,017 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:52:53" (1/1) ... [2023-11-29 00:52:54,022 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:52:53" (1/1) ... [2023-11-29 00:52:54,026 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:52:53" (1/1) ... [2023-11-29 00:52:54,030 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:52:53" (1/1) ... [2023-11-29 00:52:54,036 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:52:54,037 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:52:54,037 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:52:54,038 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:52:54,039 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:52:53" (1/1) ... [2023-11-29 00:52:54,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:52:54,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:52:54,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:52:54,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:52:54,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:52:54,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 00:52:54,110 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 00:52:54,110 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 00:52:54,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:52:54,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:52:54,227 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:52:54,229 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:53:07,682 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:53:07,734 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:53:07,735 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 00:53:07,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:53:07 BoogieIcfgContainer [2023-11-29 00:53:07,736 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:53:07,738 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:53:07,739 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:53:07,742 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:53:07,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:52:53" (1/3) ... [2023-11-29 00:53:07,743 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64323d1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:53:07, skipping insertion in model container [2023-11-29 00:53:07,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:52:53" (2/3) ... [2023-11-29 00:53:07,744 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64323d1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:53:07, skipping insertion in model container [2023-11-29 00:53:07,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:53:07" (3/3) ... [2023-11-29 00:53:07,746 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-47.i [2023-11-29 00:53:07,765 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:53:07,766 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 00:53:07,817 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:53:07,824 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;@66a2dd2b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:53:07,824 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 00:53:07,828 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 55 states have (on average 1.490909090909091) internal successors, (82), 56 states have internal predecessors, (82), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-29 00:53:07,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-29 00:53:07,847 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:53:07,848 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:53:07,848 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:53:07,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:53:07,854 INFO L85 PathProgramCache]: Analyzing trace with hash 71070262, now seen corresponding path program 1 times [2023-11-29 00:53:07,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:53:07,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1675956778] [2023-11-29 00:53:07,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:53:07,869 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 00:53:07,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:53:07,871 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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 00:53:07,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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 00:53:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:53:09,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 00:53:09,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:53:09,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1074 proven. 0 refuted. 0 times theorem prover too weak. 1170 trivial. 0 not checked. [2023-11-29 00:53:09,131 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:53:09,132 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:53:09,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1675956778] [2023-11-29 00:53:09,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1675956778] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:53:09,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:53:09,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:53:09,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019739065] [2023-11-29 00:53:09,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:53:09,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 00:53:09,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:53:09,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 00:53:09,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 00:53:09,175 INFO L87 Difference]: Start difference. First operand has 92 states, 55 states have (on average 1.490909090909091) internal successors, (82), 56 states have internal predecessors, (82), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-29 00:53:14,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.84s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:53:14,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:53:14,069 INFO L93 Difference]: Finished difference Result 180 states and 330 transitions. [2023-11-29 00:53:14,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 00:53:14,281 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 211 [2023-11-29 00:53:14,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:53:14,289 INFO L225 Difference]: With dead ends: 180 [2023-11-29 00:53:14,290 INFO L226 Difference]: Without dead ends: 89 [2023-11-29 00:53:14,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 210 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 00:53:14,295 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-11-29 00:53:14,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2023-11-29 00:53:14,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-11-29 00:53:14,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2023-11-29 00:53:14,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 53 states have (on average 1.3962264150943395) internal successors, (74), 53 states have internal predecessors, (74), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-29 00:53:14,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 142 transitions. [2023-11-29 00:53:14,334 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 142 transitions. Word has length 211 [2023-11-29 00:53:14,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:53:14,334 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 142 transitions. [2023-11-29 00:53:14,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-29 00:53:14,335 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 142 transitions. [2023-11-29 00:53:14,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-29 00:53:14,338 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:53:14,339 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:53:14,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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 00:53:14,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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 00:53:14,540 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:53:14,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:53:14,540 INFO L85 PathProgramCache]: Analyzing trace with hash 576727738, now seen corresponding path program 1 times [2023-11-29 00:53:14,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:53:14,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1690363821] [2023-11-29 00:53:14,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:53:14,541 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 00:53:14,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:53:14,543 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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 00:53:14,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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 00:53:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:53:15,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 00:53:15,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:53:17,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 00:53:17,846 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:53:17,847 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:53:17,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1690363821] [2023-11-29 00:53:17,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1690363821] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:53:17,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:53:17,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:53:17,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618797792] [2023-11-29 00:53:17,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:53:17,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:53:17,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:53:17,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:53:17,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:53:17,852 INFO L87 Difference]: Start difference. First operand 89 states and 142 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 00:53:22,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.90s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:53:28,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:53:32,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.69s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:53:38,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:53:42,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.94s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:53:46,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:53:51,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:53:51,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:53:51,480 INFO L93 Difference]: Finished difference Result 265 states and 424 transitions. [2023-11-29 00:53:51,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:53:51,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 211 [2023-11-29 00:53:51,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:53:51,486 INFO L225 Difference]: With dead ends: 265 [2023-11-29 00:53:51,486 INFO L226 Difference]: Without dead ends: 177 [2023-11-29 00:53:51,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 209 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 00:53:51,490 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 45 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.6s IncrementalHoareTripleChecker+Time [2023-11-29 00:53:51,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 274 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 7 Unknown, 0 Unchecked, 33.6s Time] [2023-11-29 00:53:51,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2023-11-29 00:53:51,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 175. [2023-11-29 00:53:51,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 104 states have (on average 1.375) internal successors, (143), 104 states have internal predecessors, (143), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2023-11-29 00:53:51,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 279 transitions. [2023-11-29 00:53:51,533 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 279 transitions. Word has length 211 [2023-11-29 00:53:51,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:53:51,534 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 279 transitions. [2023-11-29 00:53:51,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 00:53:51,535 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 279 transitions. [2023-11-29 00:53:51,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-11-29 00:53:51,540 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:53:51,540 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:53:51,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-29 00:53:51,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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 00:53:51,744 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:53:51,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:53:51,745 INFO L85 PathProgramCache]: Analyzing trace with hash 814809613, now seen corresponding path program 1 times [2023-11-29 00:53:51,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:53:51,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1190168097] [2023-11-29 00:53:51,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:53:51,747 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 00:53:51,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:53:51,748 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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 00:53:51,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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 00:53:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:53:52,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 00:53:52,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:53:54,905 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 00:53:54,905 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:53:54,906 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:53:54,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1190168097] [2023-11-29 00:53:54,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1190168097] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:53:54,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:53:54,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:53:54,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917057457] [2023-11-29 00:53:54,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:53:54,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:53:54,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:53:54,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:53:54,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:53:54,909 INFO L87 Difference]: Start difference. First operand 175 states and 279 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 00:53:59,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.77s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:54:04,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:54:09,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.79s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:54:13,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:54:19,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.85s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:54:24,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:54:24,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:54:24,166 INFO L93 Difference]: Finished difference Result 429 states and 685 transitions. [2023-11-29 00:54:24,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:54:24,405 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 212 [2023-11-29 00:54:24,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:54:24,409 INFO L225 Difference]: With dead ends: 429 [2023-11-29 00:54:24,409 INFO L226 Difference]: Without dead ends: 255 [2023-11-29 00:54:24,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 210 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 00:54:24,412 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 31 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:54:24,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 257 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 6 Unknown, 0 Unchecked, 29.2s Time] [2023-11-29 00:54:24,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2023-11-29 00:54:24,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 235. [2023-11-29 00:54:24,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 129 states have (on average 1.302325581395349) internal successors, (168), 129 states have internal predecessors, (168), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2023-11-29 00:54:24,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 372 transitions. [2023-11-29 00:54:24,470 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 372 transitions. Word has length 212 [2023-11-29 00:54:24,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:54:24,471 INFO L495 AbstractCegarLoop]: Abstraction has 235 states and 372 transitions. [2023-11-29 00:54:24,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 00:54:24,472 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 372 transitions. [2023-11-29 00:54:24,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-29 00:54:24,476 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:54:24,476 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:24,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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 00:54:24,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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 00:54:24,677 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:54:24,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:54:24,678 INFO L85 PathProgramCache]: Analyzing trace with hash -506032255, now seen corresponding path program 1 times [2023-11-29 00:54:24,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:54:24,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2123378532] [2023-11-29 00:54:24,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:54:24,679 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 00:54:24,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:54:24,680 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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 00:54:24,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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 00:54:25,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:54:25,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 00:54:25,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:54:27,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 00:54:27,642 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:54:27,643 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:54:27,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2123378532] [2023-11-29 00:54:27,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2123378532] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:54:27,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:54:27,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:54:27,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924669161] [2023-11-29 00:54:27,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:54:27,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:54:27,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:54:27,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:54:27,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:54:27,646 INFO L87 Difference]: Start difference. First operand 235 states and 372 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 00:54:32,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.82s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:54:36,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.52s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:54:36,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:54:36,452 INFO L93 Difference]: Finished difference Result 419 states and 666 transitions. [2023-11-29 00:54:36,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:54:36,453 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 213 [2023-11-29 00:54:36,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:54:36,456 INFO L225 Difference]: With dead ends: 419 [2023-11-29 00:54:36,456 INFO L226 Difference]: Without dead ends: 245 [2023-11-29 00:54:36,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 211 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 00:54:36,458 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 13 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2023-11-29 00:54:36,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 265 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 1 Unknown, 0 Unchecked, 8.8s Time] [2023-11-29 00:54:36,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2023-11-29 00:54:36,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 236. [2023-11-29 00:54:36,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 130 states have (on average 1.3) internal successors, (169), 130 states have internal predecessors, (169), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2023-11-29 00:54:36,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 373 transitions. [2023-11-29 00:54:36,498 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 373 transitions. Word has length 213 [2023-11-29 00:54:36,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:54:36,500 INFO L495 AbstractCegarLoop]: Abstraction has 236 states and 373 transitions. [2023-11-29 00:54:36,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 00:54:36,500 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 373 transitions. [2023-11-29 00:54:36,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-29 00:54:36,504 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:54:36,504 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:36,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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 00:54:36,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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 00:54:36,705 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:54:36,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:54:36,706 INFO L85 PathProgramCache]: Analyzing trace with hash 311616195, now seen corresponding path program 1 times [2023-11-29 00:54:36,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:54:36,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1424621738] [2023-11-29 00:54:36,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:54:36,707 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 00:54:36,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:54:36,708 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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 00:54:36,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-29 00:54:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:54:37,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 00:54:37,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:54:42,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 00:54:42,017 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:54:42,017 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:54:42,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1424621738] [2023-11-29 00:54:42,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1424621738] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:54:42,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:54:42,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:54:42,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996844603] [2023-11-29 00:54:42,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:54:42,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:54:42,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:54:42,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:54:42,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:54:42,020 INFO L87 Difference]: Start difference. First operand 236 states and 373 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 00:54:46,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.76s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:54:51,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:54:57,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.82s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:55:01,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:55:01,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:55:01,557 INFO L93 Difference]: Finished difference Result 424 states and 674 transitions. [2023-11-29 00:55:01,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:55:01,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 213 [2023-11-29 00:55:01,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:55:01,564 INFO L225 Difference]: With dead ends: 424 [2023-11-29 00:55:01,564 INFO L226 Difference]: Without dead ends: 250 [2023-11-29 00:55:01,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 211 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 00:55:01,565 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 15 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2023-11-29 00:55:01,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 256 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 4 Unknown, 0 Unchecked, 19.5s Time] [2023-11-29 00:55:01,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2023-11-29 00:55:01,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 240. [2023-11-29 00:55:01,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 134 states have (on average 1.291044776119403) internal successors, (173), 134 states have internal predecessors, (173), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2023-11-29 00:55:01,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 377 transitions. [2023-11-29 00:55:01,588 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 377 transitions. Word has length 213 [2023-11-29 00:55:01,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:55:01,590 INFO L495 AbstractCegarLoop]: Abstraction has 240 states and 377 transitions. [2023-11-29 00:55:01,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 00:55:01,590 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 377 transitions. [2023-11-29 00:55:01,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-29 00:55:01,593 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:55:01,593 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:55:01,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-11-29 00:55:01,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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 00:55:01,794 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:55:01,794 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:55:01,795 INFO L85 PathProgramCache]: Analyzing trace with hash -709452159, now seen corresponding path program 1 times [2023-11-29 00:55:01,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:55:01,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1494084396] [2023-11-29 00:55:01,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:55:01,796 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 00:55:01,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:55:01,797 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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 00:55:01,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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 00:55:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:55:02,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 00:55:02,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:55:04,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 285 proven. 93 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2023-11-29 00:55:04,933 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:55:05,523 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:55:05,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1494084396] [2023-11-29 00:55:05,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1494084396] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:55:05,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1693309805] [2023-11-29 00:55:05,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:55:05,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 00:55:05,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 00:55:05,526 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 00:55:05,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-29 00:55:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:55:08,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 00:55:08,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:55:10,551 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 00:55:10,551 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:55:10,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1693309805] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:55:10,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:55:10,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2023-11-29 00:55:10,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018194318] [2023-11-29 00:55:10,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:55:10,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:55:10,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:55:10,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:55:10,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 00:55:10,554 INFO L87 Difference]: Start difference. First operand 240 states and 377 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 00:55:16,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.89s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:55:20,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:55:24,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:55:28,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:55:32,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:55:33,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:55:39,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.74s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:55:43,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:55:43,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:55:43,601 INFO L93 Difference]: Finished difference Result 778 states and 1233 transitions. [2023-11-29 00:55:43,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 00:55:43,601 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 213 [2023-11-29 00:55:43,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:55:43,608 INFO L225 Difference]: With dead ends: 778 [2023-11-29 00:55:43,608 INFO L226 Difference]: Without dead ends: 604 [2023-11-29 00:55:43,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 439 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2023-11-29 00:55:43,610 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 339 mSDsluCounter, 620 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 214 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.7s IncrementalHoareTripleChecker+Time [2023-11-29 00:55:43,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 770 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 44 Invalid, 7 Unknown, 0 Unchecked, 32.7s Time] [2023-11-29 00:55:43,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2023-11-29 00:55:43,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 566. [2023-11-29 00:55:43,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 320 states have (on average 1.278125) internal successors, (409), 320 states have internal predecessors, (409), 238 states have call successors, (238), 7 states have call predecessors, (238), 7 states have return successors, (238), 238 states have call predecessors, (238), 238 states have call successors, (238) [2023-11-29 00:55:43,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 885 transitions. [2023-11-29 00:55:43,682 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 885 transitions. Word has length 213 [2023-11-29 00:55:43,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:55:43,683 INFO L495 AbstractCegarLoop]: Abstraction has 566 states and 885 transitions. [2023-11-29 00:55:43,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 00:55:43,684 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 885 transitions. [2023-11-29 00:55:43,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-29 00:55:43,686 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:55:43,686 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:55:43,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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 00:55:43,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-11-29 00:55:44,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 00:55:44,096 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:55:44,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:55:44,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1296258173, now seen corresponding path program 1 times [2023-11-29 00:55:44,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:55:44,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [965247224] [2023-11-29 00:55:44,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:55:44,097 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 00:55:44,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:55:44,098 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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 00:55:44,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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 00:55:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:55:45,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 00:55:45,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:55:51,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 00:55:51,487 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:55:51,487 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:55:51,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [965247224] [2023-11-29 00:55:51,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [965247224] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:55:51,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:55:51,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:55:51,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923052135] [2023-11-29 00:55:51,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:55:51,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:55:51,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:55:51,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:55:51,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:55:51,494 INFO L87 Difference]: Start difference. First operand 566 states and 885 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 00:55:56,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:56:01,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:56:06,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.72s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:56:10,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:56:15,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:56:20,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.97s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:56:25,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.95s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:56:29,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:56:33,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:56:33,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:56:33,896 INFO L93 Difference]: Finished difference Result 895 states and 1398 transitions. [2023-11-29 00:56:34,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:56:34,139 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 213 [2023-11-29 00:56:34,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:56:34,144 INFO L225 Difference]: With dead ends: 895 [2023-11-29 00:56:34,144 INFO L226 Difference]: Without dead ends: 395 [2023-11-29 00:56:34,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:56:34,148 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 70 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 69 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:56:34,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 384 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 35 Invalid, 9 Unknown, 0 Unchecked, 42.3s Time] [2023-11-29 00:56:34,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2023-11-29 00:56:34,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 390. [2023-11-29 00:56:34,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 214 states have (on average 1.2429906542056075) internal successors, (266), 214 states have internal predecessors, (266), 170 states have call successors, (170), 5 states have call predecessors, (170), 5 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) [2023-11-29 00:56:34,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 606 transitions. [2023-11-29 00:56:34,201 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 606 transitions. Word has length 213 [2023-11-29 00:56:34,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:56:34,202 INFO L495 AbstractCegarLoop]: Abstraction has 390 states and 606 transitions. [2023-11-29 00:56:34,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 00:56:34,202 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 606 transitions. [2023-11-29 00:56:34,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2023-11-29 00:56:34,204 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:56:34,204 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:56:34,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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 00:56:34,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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 00:56:34,419 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:56:34,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:56:34,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1775457052, now seen corresponding path program 1 times [2023-11-29 00:56:34,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:56:34,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1855186512] [2023-11-29 00:56:34,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:56:34,421 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 00:56:34,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:56:34,422 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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 00:56:34,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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 00:56:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:56:35,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 00:56:35,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:56:37,540 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 285 proven. 93 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2023-11-29 00:56:37,541 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:56:38,068 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:56:38,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1855186512] [2023-11-29 00:56:38,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1855186512] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:56:38,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1168867321] [2023-11-29 00:56:38,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:56:38,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 00:56:38,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 00:56:38,070 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 00:56:38,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-29 00:56:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:56:40,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 00:56:40,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:56:42,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 00:56:42,137 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:56:42,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1168867321] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:56:42,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:56:42,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2023-11-29 00:56:42,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64831353] [2023-11-29 00:56:42,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:56:42,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:56:42,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:56:42,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:56:42,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:56:42,140 INFO L87 Difference]: Start difference. First operand 390 states and 606 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 00:56:46,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:56:51,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.93s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:56:56,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.96s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:57:01,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.96s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:57:06,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:57:10,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:57:14,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:57:15,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:57:15,126 INFO L93 Difference]: Finished difference Result 795 states and 1245 transitions. [2023-11-29 00:57:15,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:57:15,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 215 [2023-11-29 00:57:15,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:57:15,132 INFO L225 Difference]: With dead ends: 795 [2023-11-29 00:57:15,132 INFO L226 Difference]: Without dead ends: 638 [2023-11-29 00:57:15,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 447 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:57:15,133 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 33 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.9s IncrementalHoareTripleChecker+Time [2023-11-29 00:57:15,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 265 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 7 Unknown, 0 Unchecked, 32.9s Time] [2023-11-29 00:57:15,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2023-11-29 00:57:15,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 636. [2023-11-29 00:57:15,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 355 states have (on average 1.2647887323943663) internal successors, (449), 355 states have internal predecessors, (449), 272 states have call successors, (272), 8 states have call predecessors, (272), 8 states have return successors, (272), 272 states have call predecessors, (272), 272 states have call successors, (272) [2023-11-29 00:57:15,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 993 transitions. [2023-11-29 00:57:15,196 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 993 transitions. Word has length 215 [2023-11-29 00:57:15,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:57:15,197 INFO L495 AbstractCegarLoop]: Abstraction has 636 states and 993 transitions. [2023-11-29 00:57:15,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 00:57:15,197 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 993 transitions. [2023-11-29 00:57:15,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2023-11-29 00:57:15,198 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:57:15,198 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:57:15,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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 00:57:15,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-11-29 00:57:15,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 00:57:15,599 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:57:15,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:57:15,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1839451874, now seen corresponding path program 1 times [2023-11-29 00:57:15,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:57:15,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [382279162] [2023-11-29 00:57:15,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:57:15,601 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 00:57:15,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:57:15,602 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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 00:57:15,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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 00:57:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:57:16,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 00:57:16,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:57:18,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 285 proven. 93 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2023-11-29 00:57:18,663 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:57:19,235 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:57:19,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [382279162] [2023-11-29 00:57:19,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [382279162] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:57:19,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1018946414] [2023-11-29 00:57:19,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:57:19,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 00:57:19,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 00:57:19,237 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 00:57:19,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-11-29 00:57:21,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:57:21,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 00:57:21,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:57:23,541 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 285 proven. 93 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2023-11-29 00:57:23,541 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:57:23,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1018946414] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:57:23,716 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:57:23,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2023-11-29 00:57:23,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184977197] [2023-11-29 00:57:23,717 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:57:23,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:57:23,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:57:23,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:57:23,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 00:57:23,719 INFO L87 Difference]: Start difference. First operand 636 states and 993 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-29 00:57:30,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:57:34,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:57:38,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:57:43,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.95s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:57:47,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:57:51,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:57:56,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:58:00,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:58:04,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:58:08,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:58:08,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:58:08,161 INFO L93 Difference]: Finished difference Result 1241 states and 1910 transitions. [2023-11-29 00:58:08,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 00:58:08,400 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 215 [2023-11-29 00:58:08,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:58:08,406 INFO L225 Difference]: With dead ends: 1241 [2023-11-29 00:58:08,406 INFO L226 Difference]: Without dead ends: 684 [2023-11-29 00:58:08,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 485 GetRequests, 474 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2023-11-29 00:58:08,410 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 61 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 7 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:58:08,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 302 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 233 Invalid, 10 Unknown, 0 Unchecked, 44.1s Time] [2023-11-29 00:58:08,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2023-11-29 00:58:08,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 668. [2023-11-29 00:58:08,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 668 states, 379 states have (on average 1.2321899736147757) internal successors, (467), 379 states have internal predecessors, (467), 272 states have call successors, (272), 16 states have call predecessors, (272), 16 states have return successors, (272), 272 states have call predecessors, (272), 272 states have call successors, (272) [2023-11-29 00:58:08,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 1011 transitions. [2023-11-29 00:58:08,512 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 1011 transitions. Word has length 215 [2023-11-29 00:58:08,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:58:08,512 INFO L495 AbstractCegarLoop]: Abstraction has 668 states and 1011 transitions. [2023-11-29 00:58:08,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-29 00:58:08,513 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 1011 transitions. [2023-11-29 00:58:08,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2023-11-29 00:58:08,514 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:58:08,515 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:58:08,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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 00:58:08,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-11-29 00:58:08,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 00:58:08,920 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:58:08,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:58:08,921 INFO L85 PathProgramCache]: Analyzing trace with hash 675446131, now seen corresponding path program 1 times [2023-11-29 00:58:08,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:58:08,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [745953978] [2023-11-29 00:58:08,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:58:08,921 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 00:58:08,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:58:08,922 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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 00:58:08,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-11-29 00:58:09,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:58:09,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 00:58:09,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:58:14,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 285 proven. 93 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2023-11-29 00:58:14,466 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:58:17,031 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:58:17,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [745953978] [2023-11-29 00:58:17,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [745953978] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:58:17,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [292565572] [2023-11-29 00:58:17,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:58:17,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 00:58:17,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 00:58:17,033 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 00:58:17,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-11-29 00:58:19,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:58:19,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 00:58:19,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:58:23,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 285 proven. 93 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2023-11-29 00:58:23,960 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:58:26,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [292565572] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:58:26,221 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:58:26,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2023-11-29 00:58:26,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187218494] [2023-11-29 00:58:26,222 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:58:26,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:58:26,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:58:26,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:58:26,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:58:26,223 INFO L87 Difference]: Start difference. First operand 668 states and 1011 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-29 00:58:32,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.74s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:58:36,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:58:40,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:58:45,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.92s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:58:49,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:58:53,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:58:58,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.93s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:59:02,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:59:06,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:59:10,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:59:15,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.93s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:59:19,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:59:22,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:59:27,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:59:31,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:59:35,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.97s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:59:35,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:59:35,678 INFO L93 Difference]: Finished difference Result 1108 states and 1683 transitions. [2023-11-29 00:59:35,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 00:59:35,679 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 216 [2023-11-29 00:59:35,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:59:35,684 INFO L225 Difference]: With dead ends: 1108 [2023-11-29 00:59:35,684 INFO L226 Difference]: Without dead ends: 678 [2023-11-29 00:59:35,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 488 GetRequests, 479 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2023-11-29 00:59:35,687 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 58 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 7 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:59:35,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 346 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 204 Invalid, 14 Unknown, 0 Unchecked, 69.2s Time] [2023-11-29 00:59:35,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2023-11-29 00:59:35,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 668. [2023-11-29 00:59:35,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 668 states, 379 states have (on average 1.2242744063324538) internal successors, (464), 379 states have internal predecessors, (464), 272 states have call successors, (272), 16 states have call predecessors, (272), 16 states have return successors, (272), 272 states have call predecessors, (272), 272 states have call successors, (272) [2023-11-29 00:59:35,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 1008 transitions. [2023-11-29 00:59:35,787 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 1008 transitions. Word has length 216 [2023-11-29 00:59:35,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:59:35,788 INFO L495 AbstractCegarLoop]: Abstraction has 668 states and 1008 transitions. [2023-11-29 00:59:35,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-29 00:59:35,789 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 1008 transitions. [2023-11-29 00:59:35,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2023-11-29 00:59:35,790 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:59:35,790 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:59:35,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-11-29 00:59:36,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2023-11-29 00:59:36,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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 00:59:36,192 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:59:36,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:59:36,192 INFO L85 PathProgramCache]: Analyzing trace with hash 675505713, now seen corresponding path program 1 times [2023-11-29 00:59:36,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:59:36,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [307857237] [2023-11-29 00:59:36,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:59:36,193 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 00:59:36,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:59:36,193 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/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 00:59:36,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac83ecf4-fb58-49bc-9c35-cd2ec5765f4a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2023-11-29 00:59:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:59:38,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-29 00:59:38,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:00:08,401 WARN L293 SmtUtils]: Spent 8.99s 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 01:00:17,348 WARN L293 SmtUtils]: Spent 8.95s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:00:26,317 WARN L293 SmtUtils]: Spent 8.97s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:00:35,276 WARN L293 SmtUtils]: Spent 8.96s 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 01:00:44,241 WARN L293 SmtUtils]: Spent 8.96s 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 01:00:53,190 WARN L293 SmtUtils]: Spent 8.95s 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 01:01:01,671 WARN L293 SmtUtils]: Spent 8.48s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:01:10,622 WARN L293 SmtUtils]: Spent 8.95s 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 01:01:19,573 WARN L293 SmtUtils]: Spent 8.95s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:01:28,539 WARN L293 SmtUtils]: Spent 8.97s 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 01:01:37,509 WARN L293 SmtUtils]: Spent 8.97s 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 01:01:46,456 WARN L293 SmtUtils]: Spent 8.95s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:01:55,404 WARN L293 SmtUtils]: Spent 8.95s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:02:04,375 WARN L293 SmtUtils]: Spent 8.97s 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 01:02:13,341 WARN L293 SmtUtils]: Spent 8.97s 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 01:02:22,345 WARN L293 SmtUtils]: Spent 9.00s 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 01:02:31,372 WARN L293 SmtUtils]: Spent 9.03s 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 01:02:40,314 WARN L293 SmtUtils]: Spent 8.94s 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 01:02:49,253 WARN L293 SmtUtils]: Spent 8.94s 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 01:02:56,291 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ zero_extend 16) c_~var_1_6~0)) (.cse3 ((_ zero_extend 16) c_~var_1_9~0))) (let ((.cse2 ((_ zero_extend 16) c_~var_1_5~0)) (.cse1 (bvslt .cse4 .cse3)) (.cse0 ((_ zero_extend 16) c_~var_1_4~0))) (and (= c_~var_1_1~0 ((_ extract 15 0) (bvadd (_ bv4294967168 32) .cse0))) (= c_~last_1_var_1_22~0 (_ bv64 32)) (= c_~last_1_var_1_20~0 (_ bv256 16)) (or .cse1 (not (bvsge .cse2 (bvadd (_ bv32796 32) (bvneg .cse3))))) (= c_~var_1_22~0 (_ bv64 32)) (= (_ bv1 8) c_~last_1_var_1_19~0) (= c_~var_1_8~0 (_ bv64 8)) (bvsle .cse2 (_ bv16383 32)) (or (not (bvsge .cse2 (bvadd (bvneg .cse4) (_ bv32796 32)))) (not .cse1)) (let ((.cse7 (bvadd (_ bv4294967232 32) ((_ zero_extend 16) c_~var_1_21~0)))) (let ((.cse6 (bvslt .cse7 (_ bv0 32))) (.cse5 (bvneg .cse7))) (or (and (= ((_ extract 15 0) (bvadd .cse0 .cse5)) c_~var_1_20~0) (not .cse6)) (and .cse6 (= c_~var_1_20~0 ((_ extract 15 0) (bvadd .cse0 (bvneg .cse5)))))))) (= c_~last_1_var_1_8~0 (_ bv64 8)) (= (_ bv1 8) c_~var_1_16~0) (bvsge .cse0 (_ bv49150 32)) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)) c_~var_1_3~0))))) is different from true [2023-11-29 01:03:05,309 WARN L293 SmtUtils]: Spent 9.00s 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 01:03:11,637 WARN L293 SmtUtils]: Spent 6.33s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:03:19,827 WARN L293 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:03:28,822 WARN L293 SmtUtils]: Spent 8.99s 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 01:03:37,872 WARN L293 SmtUtils]: Spent 9.05s 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 01:03:46,832 WARN L293 SmtUtils]: Spent 8.96s 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 01:03:55,304 WARN L293 SmtUtils]: Spent 8.47s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:04:04,350 WARN L293 SmtUtils]: Spent 9.05s 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 01:04:13,428 WARN L293 SmtUtils]: Spent 9.08s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:04:22,511 WARN L293 SmtUtils]: Spent 9.08s 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 01:04:31,571 WARN L293 SmtUtils]: Spent 9.06s 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 01:04:40,632 WARN L293 SmtUtils]: Spent 9.06s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:04:49,769 WARN L293 SmtUtils]: Spent 9.14s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:04:58,867 WARN L293 SmtUtils]: Spent 9.10s 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 01:05:07,970 WARN L293 SmtUtils]: Spent 9.10s 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 01:05:17,149 WARN L293 SmtUtils]: Spent 9.18s 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 01:05:26,237 WARN L293 SmtUtils]: Spent 9.09s 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 01:05:35,256 WARN L293 SmtUtils]: Spent 9.02s 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 01:05:44,279 WARN L293 SmtUtils]: Spent 9.02s 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 01:05:55,168 WARN L293 SmtUtils]: Spent 9.01s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:06:04,191 WARN L293 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:06:13,271 WARN L293 SmtUtils]: Spent 9.08s 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 01:06:22,323 WARN L293 SmtUtils]: Spent 9.05s 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)