./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-37.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_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/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_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-37.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/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_32e48c02-0e71-430d-a4e2-6f04de0c23d6/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 e5b330e68c043ac4746408eb41aca0051f406a21955b86ac6890b77c68015b10 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:20:55,816 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:20:55,878 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 05:20:55,882 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:20:55,883 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:20:55,903 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:20:55,903 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:20:55,904 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:20:55,904 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:20:55,905 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:20:55,905 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:20:55,906 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:20:55,907 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:20:55,907 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:20:55,908 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:20:55,908 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:20:55,909 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:20:55,909 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:20:55,910 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:20:55,910 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:20:55,911 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:20:55,911 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:20:55,912 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:20:55,912 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:20:55,913 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:20:55,913 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:20:55,914 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:20:55,914 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:20:55,914 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:20:55,915 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:20:55,915 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:20:55,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:20:55,916 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:20:55,916 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:20:55,916 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:20:55,917 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:20:55,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:20:55,917 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:20:55,917 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:20:55,917 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:20:55,917 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:20:55,918 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:20:55,918 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_32e48c02-0e71-430d-a4e2-6f04de0c23d6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5b330e68c043ac4746408eb41aca0051f406a21955b86ac6890b77c68015b10 [2023-11-29 05:20:56,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:20:56,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:20:56,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:20:56,167 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:20:56,168 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:20:56,169 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-37.i [2023-11-29 05:20:58,953 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:20:59,133 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:20:59,134 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-37.i [2023-11-29 05:20:59,144 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/data/b0d2dd54f/76a14b11d2b7421580acaafb41d4148b/FLAGdda8e9014 [2023-11-29 05:20:59,158 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/data/b0d2dd54f/76a14b11d2b7421580acaafb41d4148b [2023-11-29 05:20:59,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:20:59,162 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:20:59,164 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:20:59,164 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:20:59,169 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:20:59,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:20:59" (1/1) ... [2023-11-29 05:20:59,170 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bcf4fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:20:59, skipping insertion in model container [2023-11-29 05:20:59,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:20:59" (1/1) ... [2023-11-29 05:20:59,205 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:20:59,346 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_32e48c02-0e71-430d-a4e2-6f04de0c23d6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-37.i[919,932] [2023-11-29 05:20:59,416 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:20:59,429 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:20:59,441 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_32e48c02-0e71-430d-a4e2-6f04de0c23d6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-37.i[919,932] [2023-11-29 05:20:59,474 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:20:59,493 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:20:59,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:20:59 WrapperNode [2023-11-29 05:20:59,494 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:20:59,495 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:20:59,495 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:20:59,496 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:20:59,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:20:59" (1/1) ... [2023-11-29 05:20:59,515 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:20:59" (1/1) ... [2023-11-29 05:20:59,555 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 240 [2023-11-29 05:20:59,555 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:20:59,556 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:20:59,556 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:20:59,556 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:20:59,568 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:20:59" (1/1) ... [2023-11-29 05:20:59,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:20:59" (1/1) ... [2023-11-29 05:20:59,572 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:20:59" (1/1) ... [2023-11-29 05:20:59,592 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 05:20:59,593 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:20:59" (1/1) ... [2023-11-29 05:20:59,593 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:20:59" (1/1) ... [2023-11-29 05:20:59,609 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:20:59" (1/1) ... [2023-11-29 05:20:59,613 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:20:59" (1/1) ... [2023-11-29 05:20:59,617 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:20:59" (1/1) ... [2023-11-29 05:20:59,619 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:20:59" (1/1) ... [2023-11-29 05:20:59,624 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:20:59,625 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:20:59,625 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:20:59,625 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:20:59,626 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:20:59" (1/1) ... [2023-11-29 05:20:59,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:20:59,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:20:59,650 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:20:59,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:20:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:20:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 05:20:59,692 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 05:20:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:20:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:20:59,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:20:59,773 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:20:59,776 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:21:00,144 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:21:00,183 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:21:00,183 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 05:21:00,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:21:00 BoogieIcfgContainer [2023-11-29 05:21:00,184 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:21:00,187 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:21:00,187 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:21:00,190 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:21:00,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:20:59" (1/3) ... [2023-11-29 05:21:00,191 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4189a330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:21:00, skipping insertion in model container [2023-11-29 05:21:00,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:20:59" (2/3) ... [2023-11-29 05:21:00,192 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4189a330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:21:00, skipping insertion in model container [2023-11-29 05:21:00,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:21:00" (3/3) ... [2023-11-29 05:21:00,193 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-37.i [2023-11-29 05:21:00,213 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:21:00,213 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:21:00,277 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:21:00,284 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;@31728522, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:21:00,284 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:21:00,288 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 57 states have (on average 1.6140350877192982) internal successors, (92), 58 states have internal predecessors, (92), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-29 05:21:00,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-29 05:21:00,304 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:21:00,305 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:21:00,306 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:21:00,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:21:00,311 INFO L85 PathProgramCache]: Analyzing trace with hash 74629369, now seen corresponding path program 1 times [2023-11-29 05:21:00,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:21:00,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653380108] [2023-11-29 05:21:00,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:21:00,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:21:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:21:00,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:21:00,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653380108] [2023-11-29 05:21:00,508 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 05:21:00,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345916707] [2023-11-29 05:21:00,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:21:00,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:21:00,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:21:00,510 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:21:00,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 05:21:00,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:21:00,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 05:21:00,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:21:00,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2023-11-29 05:21:00,738 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:21:00,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [345916707] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:21:00,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:21:00,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:21:00,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229889661] [2023-11-29 05:21:00,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:21:00,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 05:21:00,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:21:00,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 05:21:00,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:21:00,776 INFO L87 Difference]: Start difference. First operand has 86 states, 57 states have (on average 1.6140350877192982) internal successors, (92), 58 states have internal predecessors, (92), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 05:21:00,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:21:00,818 INFO L93 Difference]: Finished difference Result 169 states and 312 transitions. [2023-11-29 05:21:00,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 05:21:00,820 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 170 [2023-11-29 05:21:00,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:21:00,828 INFO L225 Difference]: With dead ends: 169 [2023-11-29 05:21:00,828 INFO L226 Difference]: Without dead ends: 84 [2023-11-29 05:21:00,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:21:00,836 INFO L413 NwaCegarLoop]: 133 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, 133 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:21:00,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:21:00,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-11-29 05:21:00,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-11-29 05:21:00,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 56 states have (on average 1.5) internal successors, (84), 56 states have internal predecessors, (84), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-29 05:21:00,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 136 transitions. [2023-11-29 05:21:00,880 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 136 transitions. Word has length 170 [2023-11-29 05:21:00,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:21:00,880 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 136 transitions. [2023-11-29 05:21:00,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 05:21:00,881 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 136 transitions. [2023-11-29 05:21:00,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-29 05:21:00,885 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:21:00,885 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:21:00,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 05:21:01,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 05:21:01,087 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:21:01,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:21:01,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1800468469, now seen corresponding path program 1 times [2023-11-29 05:21:01,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:21:01,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284603377] [2023-11-29 05:21:01,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:21:01,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:21:01,153 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:21:01,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2114248217] [2023-11-29 05:21:01,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:21:01,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:21:01,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:21:01,155 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:21:01,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 05:21:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:21:01,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:21:01,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:21:01,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:21:01,437 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:21:01,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:21:01,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284603377] [2023-11-29 05:21:01,437 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:21:01,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114248217] [2023-11-29 05:21:01,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114248217] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:21:01,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:21:01,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:21:01,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534743224] [2023-11-29 05:21:01,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:21:01,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:21:01,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:21:01,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:21:01,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:21:01,442 INFO L87 Difference]: Start difference. First operand 84 states and 136 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 05:21:01,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:21:01,525 INFO L93 Difference]: Finished difference Result 196 states and 320 transitions. [2023-11-29 05:21:01,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:21:01,526 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 170 [2023-11-29 05:21:01,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:21:01,529 INFO L225 Difference]: With dead ends: 196 [2023-11-29 05:21:01,529 INFO L226 Difference]: Without dead ends: 113 [2023-11-29 05:21:01,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:21:01,532 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 45 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:21:01,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 275 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:21:01,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-11-29 05:21:01,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 88. [2023-11-29 05:21:01,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 60 states have (on average 1.5) internal successors, (90), 60 states have internal predecessors, (90), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-29 05:21:01,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 142 transitions. [2023-11-29 05:21:01,550 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 142 transitions. Word has length 170 [2023-11-29 05:21:01,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:21:01,552 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 142 transitions. [2023-11-29 05:21:01,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 05:21:01,553 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 142 transitions. [2023-11-29 05:21:01,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-29 05:21:01,557 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:21:01,557 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:21:01,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 05:21:01,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-29 05:21:01,760 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:21:01,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:21:01,760 INFO L85 PathProgramCache]: Analyzing trace with hash -193676237, now seen corresponding path program 1 times [2023-11-29 05:21:01,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:21:01,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665938738] [2023-11-29 05:21:01,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:21:01,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:21:01,817 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:21:01,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [760295455] [2023-11-29 05:21:01,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:21:01,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:21:01,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:21:01,819 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:21:01,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 05:21:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:21:01,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:21:01,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:21:02,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:21:02,025 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:21:02,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:21:02,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665938738] [2023-11-29 05:21:02,026 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:21:02,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760295455] [2023-11-29 05:21:02,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [760295455] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:21:02,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:21:02,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:21:02,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175036156] [2023-11-29 05:21:02,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:21:02,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:21:02,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:21:02,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:21:02,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:21:02,030 INFO L87 Difference]: Start difference. First operand 88 states and 142 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 05:21:02,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:21:02,084 INFO L93 Difference]: Finished difference Result 205 states and 331 transitions. [2023-11-29 05:21:02,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:21:02,085 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 170 [2023-11-29 05:21:02,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:21:02,088 INFO L225 Difference]: With dead ends: 205 [2023-11-29 05:21:02,088 INFO L226 Difference]: Without dead ends: 118 [2023-11-29 05:21:02,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:21:02,091 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 39 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:21:02,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 256 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:21:02,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-29 05:21:02,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 115. [2023-11-29 05:21:02,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 84 states have (on average 1.5595238095238095) internal successors, (131), 85 states have internal predecessors, (131), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-29 05:21:02,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 187 transitions. [2023-11-29 05:21:02,108 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 187 transitions. Word has length 170 [2023-11-29 05:21:02,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:21:02,109 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 187 transitions. [2023-11-29 05:21:02,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 05:21:02,110 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 187 transitions. [2023-11-29 05:21:02,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-29 05:21:02,113 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:21:02,113 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:21:02,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 05:21:02,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:21:02,319 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:21:02,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:21:02,320 INFO L85 PathProgramCache]: Analyzing trace with hash -2114330629, now seen corresponding path program 1 times [2023-11-29 05:21:02,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:21:02,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845756588] [2023-11-29 05:21:02,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:21:02,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:21:02,360 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:21:02,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [931712923] [2023-11-29 05:21:02,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:21:02,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:21:02,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:21:02,362 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:21:02,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 05:21:02,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:21:02,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:21:02,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:21:02,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:21:02,541 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:21:02,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:21:02,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845756588] [2023-11-29 05:21:02,542 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:21:02,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931712923] [2023-11-29 05:21:02,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [931712923] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:21:02,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:21:02,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:21:02,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802719126] [2023-11-29 05:21:02,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:21:02,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:21:02,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:21:02,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:21:02,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:21:02,545 INFO L87 Difference]: Start difference. First operand 115 states and 187 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 05:21:02,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:21:02,579 INFO L93 Difference]: Finished difference Result 228 states and 371 transitions. [2023-11-29 05:21:02,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:21:02,580 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 171 [2023-11-29 05:21:02,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:21:02,583 INFO L225 Difference]: With dead ends: 228 [2023-11-29 05:21:02,583 INFO L226 Difference]: Without dead ends: 114 [2023-11-29 05:21:02,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:21:02,585 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 0 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:21:02,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 260 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:21:02,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-29 05:21:02,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2023-11-29 05:21:02,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 83 states have (on average 1.5421686746987953) internal successors, (128), 84 states have internal predecessors, (128), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-29 05:21:02,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 184 transitions. [2023-11-29 05:21:02,601 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 184 transitions. Word has length 171 [2023-11-29 05:21:02,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:21:02,602 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 184 transitions. [2023-11-29 05:21:02,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 05:21:02,603 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 184 transitions. [2023-11-29 05:21:02,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-29 05:21:02,605 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:21:02,605 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:21:02,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 05:21:02,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:21:02,811 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:21:02,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:21:02,812 INFO L85 PathProgramCache]: Analyzing trace with hash -2121957125, now seen corresponding path program 1 times [2023-11-29 05:21:02,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:21:02,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305187516] [2023-11-29 05:21:02,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:21:02,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:21:02,849 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:21:02,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [421830268] [2023-11-29 05:21:02,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:21:02,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:21:02,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:21:02,851 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:21:02,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 05:21:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:21:03,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:21:03,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:21:03,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:21:03,063 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:21:03,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:21:03,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305187516] [2023-11-29 05:21:03,063 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:21:03,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [421830268] [2023-11-29 05:21:03,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [421830268] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:21:03,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:21:03,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:21:03,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240135218] [2023-11-29 05:21:03,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:21:03,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:21:03,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:21:03,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:21:03,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:21:03,066 INFO L87 Difference]: Start difference. First operand 114 states and 184 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 05:21:03,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:21:03,110 INFO L93 Difference]: Finished difference Result 311 states and 502 transitions. [2023-11-29 05:21:03,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:21:03,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 171 [2023-11-29 05:21:03,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:21:03,114 INFO L225 Difference]: With dead ends: 311 [2023-11-29 05:21:03,114 INFO L226 Difference]: Without dead ends: 198 [2023-11-29 05:21:03,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:21:03,116 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 65 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:21:03,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 284 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:21:03,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2023-11-29 05:21:03,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 195. [2023-11-29 05:21:03,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 150 states have (on average 1.56) internal successors, (234), 153 states have internal predecessors, (234), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 37 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 05:21:03,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 314 transitions. [2023-11-29 05:21:03,138 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 314 transitions. Word has length 171 [2023-11-29 05:21:03,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:21:03,138 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 314 transitions. [2023-11-29 05:21:03,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 05:21:03,139 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 314 transitions. [2023-11-29 05:21:03,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-29 05:21:03,141 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:21:03,142 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:21:03,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-29 05:21:03,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:21:03,343 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:21:03,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:21:03,344 INFO L85 PathProgramCache]: Analyzing trace with hash -2121897543, now seen corresponding path program 1 times [2023-11-29 05:21:03,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:21:03,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520460183] [2023-11-29 05:21:03,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:21:03,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:21:03,378 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:21:03,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1332694910] [2023-11-29 05:21:03,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:21:03,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:21:03,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:21:03,380 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:21:03,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 05:21:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:21:03,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 05:21:03,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:21:04,118 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 669 proven. 33 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2023-11-29 05:21:04,119 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:21:04,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 42 proven. 33 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-29 05:21:04,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:21:04,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520460183] [2023-11-29 05:21:04,539 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:21:04,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332694910] [2023-11-29 05:21:04,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332694910] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:21:04,539 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:21:04,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 14 [2023-11-29 05:21:04,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336296328] [2023-11-29 05:21:04,540 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:21:04,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 05:21:04,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:21:04,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 05:21:04,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2023-11-29 05:21:04,542 INFO L87 Difference]: Start difference. First operand 195 states and 314 transitions. Second operand has 14 states, 14 states have (on average 6.571428571428571) internal successors, (92), 14 states have internal predecessors, (92), 4 states have call successors, (52), 3 states have call predecessors, (52), 5 states have return successors, (52), 4 states have call predecessors, (52), 4 states have call successors, (52) [2023-11-29 05:21:06,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:21:06,226 INFO L93 Difference]: Finished difference Result 1321 states and 2068 transitions. [2023-11-29 05:21:06,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-11-29 05:21:06,226 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.571428571428571) internal successors, (92), 14 states have internal predecessors, (92), 4 states have call successors, (52), 3 states have call predecessors, (52), 5 states have return successors, (52), 4 states have call predecessors, (52), 4 states have call successors, (52) Word has length 171 [2023-11-29 05:21:06,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:21:06,236 INFO L225 Difference]: With dead ends: 1321 [2023-11-29 05:21:06,236 INFO L226 Difference]: Without dead ends: 1127 [2023-11-29 05:21:06,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 643 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=655, Invalid=1415, Unknown=0, NotChecked=0, Total=2070 [2023-11-29 05:21:06,239 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 1261 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1300 SdHoareTripleChecker+Valid, 791 SdHoareTripleChecker+Invalid, 1000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:21:06,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1300 Valid, 791 Invalid, 1000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 05:21:06,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2023-11-29 05:21:06,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 656. [2023-11-29 05:21:06,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 656 states, 502 states have (on average 1.5617529880478087) internal successors, (784), 509 states have internal predecessors, (784), 136 states have call successors, (136), 17 states have call predecessors, (136), 17 states have return successors, (136), 129 states have call predecessors, (136), 136 states have call successors, (136) [2023-11-29 05:21:06,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 1056 transitions. [2023-11-29 05:21:06,318 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 1056 transitions. Word has length 171 [2023-11-29 05:21:06,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:21:06,318 INFO L495 AbstractCegarLoop]: Abstraction has 656 states and 1056 transitions. [2023-11-29 05:21:06,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.571428571428571) internal successors, (92), 14 states have internal predecessors, (92), 4 states have call successors, (52), 3 states have call predecessors, (52), 5 states have return successors, (52), 4 states have call predecessors, (52), 4 states have call successors, (52) [2023-11-29 05:21:06,319 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 1056 transitions. [2023-11-29 05:21:06,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-29 05:21:06,321 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:21:06,321 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:21:06,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 05:21:06,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:21:06,522 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:21:06,522 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:21:06,522 INFO L85 PathProgramCache]: Analyzing trace with hash -282737333, now seen corresponding path program 1 times [2023-11-29 05:21:06,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:21:06,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397391294] [2023-11-29 05:21:06,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:21:06,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:21:06,549 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:21:06,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [357130413] [2023-11-29 05:21:06,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:21:06,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:21:06,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:21:06,551 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:21:06,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 05:21:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:21:06,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:21:06,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:21:06,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:21:06,706 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:21:06,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:21:06,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397391294] [2023-11-29 05:21:06,706 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:21:06,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357130413] [2023-11-29 05:21:06,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [357130413] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:21:06,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:21:06,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:21:06,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409915467] [2023-11-29 05:21:06,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:21:06,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:21:06,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:21:06,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:21:06,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:21:06,708 INFO L87 Difference]: Start difference. First operand 656 states and 1056 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 05:21:06,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:21:06,763 INFO L93 Difference]: Finished difference Result 1303 states and 2099 transitions. [2023-11-29 05:21:06,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:21:06,764 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 171 [2023-11-29 05:21:06,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:21:06,768 INFO L225 Difference]: With dead ends: 1303 [2023-11-29 05:21:06,768 INFO L226 Difference]: Without dead ends: 648 [2023-11-29 05:21:06,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:21:06,771 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:21:06,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 245 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:21:06,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2023-11-29 05:21:06,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 642. [2023-11-29 05:21:06,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 488 states have (on average 1.5532786885245902) internal successors, (758), 495 states have internal predecessors, (758), 136 states have call successors, (136), 17 states have call predecessors, (136), 17 states have return successors, (136), 129 states have call predecessors, (136), 136 states have call successors, (136) [2023-11-29 05:21:06,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 1030 transitions. [2023-11-29 05:21:06,816 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 1030 transitions. Word has length 171 [2023-11-29 05:21:06,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:21:06,817 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 1030 transitions. [2023-11-29 05:21:06,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 05:21:06,817 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 1030 transitions. [2023-11-29 05:21:06,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-29 05:21:06,819 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:21:06,819 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:21:06,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 05:21:07,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:21:07,020 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:21:07,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:21:07,021 INFO L85 PathProgramCache]: Analyzing trace with hash -290363829, now seen corresponding path program 1 times [2023-11-29 05:21:07,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:21:07,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341800841] [2023-11-29 05:21:07,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:21:07,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:21:07,048 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:21:07,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [599728534] [2023-11-29 05:21:07,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:21:07,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:21:07,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:21:07,050 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:21:07,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 05:21:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:21:07,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 05:21:07,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:21:07,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 232 proven. 138 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2023-11-29 05:21:07,729 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:21:08,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 6 proven. 141 refuted. 0 times theorem prover too weak. 1153 trivial. 0 not checked. [2023-11-29 05:21:08,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:21:08,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341800841] [2023-11-29 05:21:08,021 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:21:08,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599728534] [2023-11-29 05:21:08,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599728534] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:21:08,021 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:21:08,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2023-11-29 05:21:08,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117632719] [2023-11-29 05:21:08,022 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:21:08,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 05:21:08,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:21:08,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 05:21:08,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:21:08,024 INFO L87 Difference]: Start difference. First operand 642 states and 1030 transitions. Second operand has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 4 states have call successors, (51), 3 states have call predecessors, (51), 7 states have return successors, (52), 3 states have call predecessors, (52), 4 states have call successors, (52) [2023-11-29 05:21:08,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:21:08,346 INFO L93 Difference]: Finished difference Result 1319 states and 2013 transitions. [2023-11-29 05:21:08,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 05:21:08,346 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 4 states have call successors, (51), 3 states have call predecessors, (51), 7 states have return successors, (52), 3 states have call predecessors, (52), 4 states have call successors, (52) Word has length 171 [2023-11-29 05:21:08,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:21:08,351 INFO L225 Difference]: With dead ends: 1319 [2023-11-29 05:21:08,351 INFO L226 Difference]: Without dead ends: 678 [2023-11-29 05:21:08,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 328 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=134, Invalid=246, Unknown=0, NotChecked=0, Total=380 [2023-11-29 05:21:08,354 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 268 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:21:08,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 268 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 05:21:08,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2023-11-29 05:21:08,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 622. [2023-11-29 05:21:08,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 450 states have (on average 1.4177777777777778) internal successors, (638), 457 states have internal predecessors, (638), 136 states have call successors, (136), 35 states have call predecessors, (136), 35 states have return successors, (136), 129 states have call predecessors, (136), 136 states have call successors, (136) [2023-11-29 05:21:08,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 910 transitions. [2023-11-29 05:21:08,398 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 910 transitions. Word has length 171 [2023-11-29 05:21:08,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:21:08,398 INFO L495 AbstractCegarLoop]: Abstraction has 622 states and 910 transitions. [2023-11-29 05:21:08,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 4 states have call successors, (51), 3 states have call predecessors, (51), 7 states have return successors, (52), 3 states have call predecessors, (52), 4 states have call successors, (52) [2023-11-29 05:21:08,398 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 910 transitions. [2023-11-29 05:21:08,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-29 05:21:08,400 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:21:08,401 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:21:08,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 05:21:08,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:21:08,604 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:21:08,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:21:08,604 INFO L85 PathProgramCache]: Analyzing trace with hash 298892163, now seen corresponding path program 1 times [2023-11-29 05:21:08,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:21:08,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38351204] [2023-11-29 05:21:08,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:21:08,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:21:08,630 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:21:08,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1662459818] [2023-11-29 05:21:08,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:21:08,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:21:08,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:21:08,632 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:21:08,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 05:21:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:21:08,862 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:21:08,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:21:09,009 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:21:09,009 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 05:21:09,010 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 05:21:09,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 05:21:09,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-29 05:21:09,216 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:21:09,219 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 05:21:09,314 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 05:21:09,315 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-29 05:21:09,315 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 05:21:09,315 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 05:21:09,315 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-29 05:21:09,315 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-29 05:21:09,316 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2023-11-29 05:21:09,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 05:21:09 BoogieIcfgContainer [2023-11-29 05:21:09,350 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 05:21:09,350 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:21:09,350 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:21:09,350 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:21:09,351 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:21:00" (3/4) ... [2023-11-29 05:21:09,353 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 05:21:09,354 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:21:09,354 INFO L158 Benchmark]: Toolchain (without parser) took 10192.20ms. Allocated memory was 142.6MB in the beginning and 199.2MB in the end (delta: 56.6MB). Free memory was 110.0MB in the beginning and 164.0MB in the end (delta: -53.9MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2023-11-29 05:21:09,355 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:21:09,355 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.90ms. Allocated memory is still 142.6MB. Free memory was 110.0MB in the beginning and 94.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 05:21:09,355 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.34ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 89.3MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 05:21:09,356 INFO L158 Benchmark]: Boogie Preprocessor took 68.43ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 83.5MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 05:21:09,356 INFO L158 Benchmark]: RCFGBuilder took 558.80ms. Allocated memory is still 142.6MB. Free memory was 83.5MB in the beginning and 51.6MB in the end (delta: 31.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-29 05:21:09,356 INFO L158 Benchmark]: TraceAbstraction took 9162.83ms. Allocated memory was 142.6MB in the beginning and 199.2MB in the end (delta: 56.6MB). Free memory was 51.1MB in the beginning and 164.0MB in the end (delta: -112.9MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB. [2023-11-29 05:21:09,356 INFO L158 Benchmark]: Witness Printer took 3.64ms. Allocated memory is still 199.2MB. Free memory is still 164.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:21:09,358 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.90ms. Allocated memory is still 142.6MB. Free memory was 110.0MB in the beginning and 94.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.34ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 89.3MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.43ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 83.5MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 558.80ms. Allocated memory is still 142.6MB. Free memory was 83.5MB in the beginning and 51.6MB in the end (delta: 31.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 9162.83ms. Allocated memory was 142.6MB in the beginning and 199.2MB in the end (delta: 56.6MB). Free memory was 51.1MB in the beginning and 164.0MB in the end (delta: -112.9MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB. * Witness Printer took 3.64ms. Allocated memory is still 199.2MB. Free memory is still 164.0MB. 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~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 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 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 someBinaryFLOATComparisonOperation at line 182, overapproximation of someBinaryDOUBLEComparisonOperation at line 182, overapproximation of bitwiseAnd at line 122. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 256; [L23] unsigned short int var_1_2 = 51640; [L24] unsigned short int var_1_3 = 5; [L25] float var_1_7 = 128.8; [L26] unsigned char var_1_8 = 2; [L27] float var_1_9 = 256.5; [L28] float var_1_10 = 7.25; [L29] signed char var_1_11 = 64; [L30] signed char var_1_12 = -16; [L31] double var_1_13 = 0.9; [L32] unsigned char var_1_14 = 1; [L33] double var_1_15 = 0.0; [L34] double var_1_16 = 1.275; [L35] unsigned short int var_1_17 = 8; [L36] unsigned short int var_1_18 = 35331; [L37] signed char var_1_19 = -128; [L38] double var_1_20 = 0.0; [L39] double var_1_21 = 0.0; [L40] signed char var_1_22 = -8; [L41] signed char var_1_23 = 50; [L42] signed long int var_1_27 = 32; [L43] unsigned char var_1_28 = 64; [L44] signed char var_1_29 = 100; [L45] signed char var_1_30 = -1; [L46] signed char var_1_31 = 10; [L47] signed char var_1_32 = 5; [L48] signed char var_1_33 = 1; [L49] unsigned short int var_1_34 = 32; [L50] signed long int var_1_36 = -8; [L51] float last_1_var_1_10 = 7.25; [L52] double last_1_var_1_13 = 0.9; [L53] unsigned short int last_1_var_1_17 = 8; [L54] signed char last_1_var_1_19 = -128; [L186] isInitial = 1 [L187] FCALL initially() [L188] COND TRUE 1 [L189] CALL updateLastVariables() [L176] last_1_var_1_10 = var_1_10 [L177] last_1_var_1_13 = var_1_13 [L178] last_1_var_1_17 = var_1_17 [L179] last_1_var_1_19 = var_1_19 [L189] RET updateLastVariables() [L190] CALL updateVariables() [L133] var_1_2 = __VERIFIER_nondet_ushort() [L134] CALL assume_abort_if_not(var_1_2 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L134] RET assume_abort_if_not(var_1_2 >= 32767) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L135] CALL assume_abort_if_not(var_1_2 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L135] RET assume_abort_if_not(var_1_2 <= 65535) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L136] var_1_3 = __VERIFIER_nondet_ushort() [L137] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L137] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L138] CALL assume_abort_if_not(var_1_3 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L138] RET assume_abort_if_not(var_1_3 <= 32767) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L139] var_1_8 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_9=513/2] [L140] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_9=513/2] [L141] CALL assume_abort_if_not(var_1_8 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_9=513/2] [L141] RET assume_abort_if_not(var_1_8 <= 255) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_9=513/2] [L142] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3, var_1_9=513/2] [L142] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3, var_1_9=513/2] [L143] var_1_9 = __VERIFIER_nondet_float() [L144] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L144] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L145] var_1_12 = __VERIFIER_nondet_char() [L146] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L146] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L147] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L147] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L148] var_1_14 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L149] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L150] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L150] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L151] var_1_15 = __VERIFIER_nondet_double() [L152] CALL assume_abort_if_not((var_1_15 >= 2305843.009213691390e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L152] RET assume_abort_if_not((var_1_15 >= 2305843.009213691390e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L153] var_1_16 = __VERIFIER_nondet_double() [L154] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L154] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L155] var_1_18 = __VERIFIER_nondet_ushort() [L156] CALL assume_abort_if_not(var_1_18 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L156] RET assume_abort_if_not(var_1_18 >= 32767) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L157] CALL assume_abort_if_not(var_1_18 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L157] RET assume_abort_if_not(var_1_18 <= 65534) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L158] var_1_20 = __VERIFIER_nondet_double() [L159] CALL assume_abort_if_not((var_1_20 >= 4611686.018427387900e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854776000e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L159] RET assume_abort_if_not((var_1_20 >= 4611686.018427387900e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854776000e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L160] var_1_21 = __VERIFIER_nondet_double() [L161] CALL assume_abort_if_not((var_1_21 >= 4611686.018427387900e+12F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L161] RET assume_abort_if_not((var_1_21 >= 4611686.018427387900e+12F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L162] var_1_22 = __VERIFIER_nondet_char() [L163] CALL assume_abort_if_not(var_1_22 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=1, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=1, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L163] RET assume_abort_if_not(var_1_22 >= -127) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=1, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L164] CALL assume_abort_if_not(var_1_22 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=1, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=1, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L164] RET assume_abort_if_not(var_1_22 <= 126) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=1, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L165] var_1_30 = __VERIFIER_nondet_char() [L166] CALL assume_abort_if_not(var_1_30 >= -126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=1, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=2, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=1, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=2, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L166] RET assume_abort_if_not(var_1_30 >= -126) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=1, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=2, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L167] CALL assume_abort_if_not(var_1_30 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=1, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=2, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=1, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=2, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L167] RET assume_abort_if_not(var_1_30 <= 126) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=1, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=2, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L168] var_1_31 = __VERIFIER_nondet_char() [L169] CALL assume_abort_if_not(var_1_31 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=1, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=2, var_1_31=2, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=1, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=2, var_1_31=2, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L169] RET assume_abort_if_not(var_1_31 >= 0) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=1, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=2, var_1_31=2, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L170] CALL assume_abort_if_not(var_1_31 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=1, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=2, var_1_31=2, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=1, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=2, var_1_31=2, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L170] RET assume_abort_if_not(var_1_31 <= 126) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=1, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=2, var_1_31=2, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L171] var_1_33 = __VERIFIER_nondet_char() [L172] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=1, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=2, var_1_31=2, var_1_32=5, var_1_33=0, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=1, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=2, var_1_31=2, var_1_32=5, var_1_33=0, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L172] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=1, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=2, var_1_31=2, var_1_32=5, var_1_33=0, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L173] CALL assume_abort_if_not(var_1_33 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=1, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=2, var_1_31=2, var_1_32=5, var_1_33=0, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=1, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=2, var_1_31=2, var_1_32=5, var_1_33=0, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L173] RET assume_abort_if_not(var_1_33 <= 126) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=1, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=2, var_1_31=2, var_1_32=5, var_1_33=0, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L190] RET updateVariables() [L191] CALL step() [L58] signed long int stepLocal_2 = var_1_3 + last_1_var_1_19; VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_2=32639, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=1, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=2, var_1_31=2, var_1_32=5, var_1_33=0, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L59] COND FALSE !(\read(var_1_14)) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_2=32639, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=1, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=2, var_1_31=2, var_1_32=5, var_1_33=0, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L70] COND TRUE var_1_13 > ((var_1_20 - var_1_15) - (var_1_21 - var_1_16)) [L71] var_1_19 = ((((var_1_12) > (var_1_22)) ? (var_1_12) : (var_1_22))) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_2=32639, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=1, var_1_1=256, var_1_22=1, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=2, var_1_31=2, var_1_32=5, var_1_33=0, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L75] var_1_17 = (var_1_18 - var_1_3) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_2=32639, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=0, var_1_18=32767, var_1_19=1, var_1_1=256, var_1_22=1, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=2, var_1_31=2, var_1_32=5, var_1_33=0, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3] [L76] COND TRUE (var_1_17 >= var_1_17) || (var_1_9 > last_1_var_1_10) [L77] var_1_10 = var_1_9 VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_2=32639, var_1_10=2, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=0, var_1_18=32767, var_1_19=1, var_1_1=256, var_1_22=1, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=2, var_1_31=2, var_1_32=5, var_1_33=0, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3, var_1_9=2] [L79] COND FALSE !(var_1_10 >= var_1_10) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_2=32639, var_1_10=2, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=0, var_1_18=32767, var_1_19=1, var_1_1=256, var_1_22=1, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=2, var_1_31=2, var_1_32=5, var_1_33=0, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3, var_1_9=2] [L84] COND TRUE (var_1_2 - var_1_3) > var_1_17 [L85] var_1_1 = (((((((((var_1_11 + var_1_3)) < (var_1_2)) ? ((var_1_11 + var_1_3)) : (var_1_2)))) < (var_1_17)) ? ((((((var_1_11 + var_1_3)) < (var_1_2)) ? ((var_1_11 + var_1_3)) : (var_1_2)))) : (var_1_17))) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_2=32639, var_1_10=2, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=0, var_1_18=32767, var_1_19=1, var_1_1=0, var_1_22=1, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=2, var_1_31=2, var_1_32=5, var_1_33=0, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3, var_1_9=2] [L89] signed long int stepLocal_1 = var_1_1 / ((((2) < (var_1_2)) ? (2) : (var_1_2))); [L90] unsigned short int stepLocal_0 = var_1_3; VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_0=32767, stepLocal_1=0, stepLocal_2=32639, var_1_10=2, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=0, var_1_18=32767, var_1_19=1, var_1_1=0, var_1_22=1, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=2, var_1_31=2, var_1_32=5, var_1_33=0, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3, var_1_9=2] [L91] COND FALSE !((var_1_19 / var_1_8) < stepLocal_1) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_0=32767, stepLocal_1=0, stepLocal_2=32639, var_1_10=2, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=0, var_1_18=32767, var_1_19=1, var_1_1=0, var_1_22=1, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=2, var_1_31=2, var_1_32=5, var_1_33=0, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3, var_1_9=2] [L98] COND TRUE (~ (- var_1_3)) < var_1_2 VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_0=32767, stepLocal_1=0, stepLocal_2=32639, var_1_10=2, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=0, var_1_18=32767, var_1_19=1, var_1_1=0, var_1_22=1, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=2, var_1_31=2, var_1_32=5, var_1_33=0, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3, var_1_9=2] [L99] COND FALSE !(var_1_2 < -64) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_0=32767, stepLocal_1=0, stepLocal_2=32639, var_1_10=2, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=0, var_1_18=32767, var_1_19=1, var_1_1=0, var_1_22=1, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=2, var_1_31=2, var_1_32=5, var_1_33=0, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3, var_1_9=2] [L103] COND TRUE var_1_8 > var_1_19 [L104] var_1_27 = ((((var_1_8) > (var_1_22)) ? (var_1_8) : (var_1_22))) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_0=32767, stepLocal_1=0, stepLocal_2=32639, var_1_10=2, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=0, var_1_18=32767, var_1_19=1, var_1_1=0, var_1_22=1, var_1_23=50, var_1_27=3, var_1_28=64, var_1_29=100, var_1_2=32832, var_1_30=2, var_1_31=2, var_1_32=5, var_1_33=0, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3, var_1_9=2] [L106] COND TRUE var_1_17 <= (((((((var_1_2) < 0 ) ? -(var_1_2) : (var_1_2))) < 0 ) ? -((((var_1_2) < 0 ) ? -(var_1_2) : (var_1_2))) : ((((var_1_2) < 0 ) ? -(var_1_2) : (var_1_2))))) [L107] var_1_28 = 4 VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_0=32767, stepLocal_1=0, stepLocal_2=32639, var_1_10=2, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=0, var_1_18=32767, var_1_19=1, var_1_1=0, var_1_22=1, var_1_23=50, var_1_27=3, var_1_28=4, var_1_29=100, var_1_2=32832, var_1_30=2, var_1_31=2, var_1_32=5, var_1_33=0, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3, var_1_9=2] [L109] COND TRUE var_1_12 <= 16 [L110] var_1_29 = (((((var_1_30) < 0 ) ? -(var_1_30) : (var_1_30))) - var_1_31) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_0=32767, stepLocal_1=0, stepLocal_2=32639, var_1_10=2, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=0, var_1_18=32767, var_1_19=1, var_1_1=0, var_1_22=1, var_1_23=50, var_1_27=3, var_1_28=4, var_1_29=0, var_1_2=32832, var_1_30=2, var_1_31=2, var_1_32=5, var_1_33=0, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3, var_1_9=2] [L112] COND TRUE var_1_11 >= var_1_1 [L113] var_1_32 = ((((4) < (((((var_1_22) < ((var_1_31 - var_1_33))) ? (var_1_22) : ((var_1_31 - var_1_33)))))) ? (4) : (((((var_1_22) < ((var_1_31 - var_1_33))) ? (var_1_22) : ((var_1_31 - var_1_33))))))) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_0=32767, stepLocal_1=0, stepLocal_2=32639, var_1_10=2, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=0, var_1_18=32767, var_1_19=1, var_1_1=0, var_1_22=1, var_1_23=50, var_1_27=3, var_1_28=4, var_1_29=0, var_1_2=32832, var_1_30=2, var_1_31=2, var_1_32=1, var_1_33=0, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3, var_1_9=2] [L117] EXPR var_1_17 & var_1_11 VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_0=32767, stepLocal_1=0, stepLocal_2=32639, var_1_10=2, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=0, var_1_18=32767, var_1_19=1, var_1_1=0, var_1_22=1, var_1_23=50, var_1_27=3, var_1_28=4, var_1_29=0, var_1_2=32832, var_1_30=2, var_1_31=2, var_1_32=1, var_1_33=0, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3, var_1_9=2] [L117] EXPR (var_1_17 & var_1_11) ^ var_1_12 VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_0=32767, stepLocal_1=0, stepLocal_2=32639, var_1_10=2, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=0, var_1_18=32767, var_1_19=1, var_1_1=0, var_1_22=1, var_1_23=50, var_1_27=3, var_1_28=4, var_1_29=0, var_1_2=32832, var_1_30=2, var_1_31=2, var_1_32=1, var_1_33=0, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3, var_1_9=2] [L117] EXPR var_1_19 & var_1_33 VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_0=32767, stepLocal_1=0, stepLocal_2=32639, var_1_10=2, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=0, var_1_18=32767, var_1_19=1, var_1_1=0, var_1_22=1, var_1_23=50, var_1_27=3, var_1_28=4, var_1_29=0, var_1_2=32832, var_1_30=2, var_1_31=2, var_1_32=1, var_1_33=0, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3, var_1_9=2] [L117] COND FALSE !(((var_1_17 & var_1_11) ^ var_1_12) < (var_1_19 & var_1_33)) [L122] EXPR var_1_3 & (~ var_1_17) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_0=32767, stepLocal_1=0, stepLocal_2=32639, var_1_10=2, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=0, var_1_18=32767, var_1_19=1, var_1_1=0, var_1_22=1, var_1_23=50, var_1_27=3, var_1_28=4, var_1_29=0, var_1_2=32832, var_1_30=2, var_1_31=2, var_1_32=1, var_1_33=0, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3, var_1_9=2] [L122] COND TRUE (var_1_3 & (~ var_1_17)) <= var_1_3 [L123] COND FALSE !(\read(var_1_14)) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_0=32767, stepLocal_1=0, stepLocal_2=32639, var_1_10=2, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=0, var_1_18=32767, var_1_19=1, var_1_1=0, var_1_22=1, var_1_23=50, var_1_27=3, var_1_28=4, var_1_29=0, var_1_2=32832, var_1_30=2, var_1_31=2, var_1_32=1, var_1_33=0, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3, var_1_9=2] [L191] RET step() [L192] CALL, EXPR property() [L182-L183] return ((((((((var_1_2 - var_1_3) > var_1_17) ? (var_1_1 == ((signed long int) (((((((((var_1_11 + var_1_3)) < (var_1_2)) ? ((var_1_11 + var_1_3)) : (var_1_2)))) < (var_1_17)) ? ((((((var_1_11 + var_1_3)) < (var_1_2)) ? ((var_1_11 + var_1_3)) : (var_1_2)))) : (var_1_17))))) : (var_1_1 == ((signed long int) 0))) && (((var_1_19 / var_1_8) < (var_1_1 / ((((2) < (var_1_2)) ? (2) : (var_1_2))))) ? ((var_1_1 >= var_1_3) ? (var_1_7 == ((float) 0.75f)) : (var_1_7 == ((float) var_1_9))) : 1)) && (((var_1_17 >= var_1_17) || (var_1_9 > last_1_var_1_10)) ? (var_1_10 == ((float) var_1_9)) : 1)) && ((var_1_10 >= var_1_10) ? ((var_1_9 < var_1_10) ? (var_1_11 == ((signed char) var_1_12)) : 1) : 1)) && (var_1_14 ? ((last_1_var_1_13 <= var_1_9) ? (var_1_13 == ((double) var_1_9)) : ((((((last_1_var_1_17) < ((var_1_2 * last_1_var_1_17))) ? (last_1_var_1_17) : ((var_1_2 * last_1_var_1_17)))) == (var_1_3 + last_1_var_1_19)) ? (var_1_13 == ((double) 8.75)) : (var_1_13 == ((double) (16.5 + ((var_1_15 - 49.35) - var_1_16)))))) : 1)) && (var_1_17 == ((unsigned short int) (var_1_18 - var_1_3)))) && ((var_1_13 > ((var_1_20 - var_1_15) - (var_1_21 - var_1_16))) ? (var_1_19 == ((signed char) ((((var_1_12) > (var_1_22)) ? (var_1_12) : (var_1_22))))) : (var_1_19 == ((signed char) var_1_12))) ; [L192] RET, EXPR property() [L192] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=2, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=0, var_1_18=32767, var_1_19=1, var_1_1=0, var_1_22=1, var_1_23=50, var_1_27=3, var_1_28=4, var_1_29=0, var_1_2=32832, var_1_30=2, var_1_31=2, var_1_32=1, var_1_33=0, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=2, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=0, var_1_18=32767, var_1_19=1, var_1_1=0, var_1_22=1, var_1_23=50, var_1_27=3, var_1_28=4, var_1_29=0, var_1_2=32832, var_1_30=2, var_1_31=2, var_1_32=1, var_1_33=0, var_1_34=32, var_1_36=-8, var_1_3=32767, var_1_7=644/5, var_1_8=3, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 86 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.0s, OverallIterations: 9, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1718 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1678 mSDsluCounter, 2512 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1480 mSDsCounter, 216 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1192 IncrementalHoareTripleChecker+Invalid, 1408 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 216 mSolverCounterUnsat, 1032 mSDtfsCounter, 1192 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1748 GetRequests, 1680 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 698 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=656occurred in iteration=6, InterpolantAutomatonStates: 73, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 564 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1707 NumberOfCodeBlocks, 1707 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1697 ConstructedInterpolants, 0 QuantifiedInterpolants, 5228 SizeOfPredicates, 15 NumberOfNonLiveVariables, 3322 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 12655/13000 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 05:21:09,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/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_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-37.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/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_32e48c02-0e71-430d-a4e2-6f04de0c23d6/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 e5b330e68c043ac4746408eb41aca0051f406a21955b86ac6890b77c68015b10 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:21:11,251 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:21:11,322 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 05:21:11,328 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:21:11,328 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:21:11,354 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:21:11,355 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:21:11,356 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:21:11,356 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:21:11,357 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:21:11,357 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:21:11,358 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:21:11,358 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:21:11,359 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:21:11,359 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:21:11,360 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:21:11,361 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:21:11,361 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:21:11,361 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:21:11,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:21:11,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:21:11,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:21:11,364 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:21:11,364 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 05:21:11,364 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 05:21:11,365 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 05:21:11,365 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:21:11,366 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:21:11,366 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:21:11,366 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:21:11,367 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:21:11,367 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:21:11,367 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:21:11,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:21:11,368 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:21:11,368 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:21:11,369 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:21:11,369 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 05:21:11,369 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 05:21:11,369 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:21:11,369 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:21:11,370 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:21:11,370 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:21:11,370 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:21:11,370 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 05:21:11,370 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_32e48c02-0e71-430d-a4e2-6f04de0c23d6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5b330e68c043ac4746408eb41aca0051f406a21955b86ac6890b77c68015b10 [2023-11-29 05:21:11,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:21:11,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:21:11,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:21:11,675 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:21:11,676 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:21:11,677 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-37.i [2023-11-29 05:21:14,426 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:21:14,630 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:21:14,631 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-37.i [2023-11-29 05:21:14,642 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/data/507787845/f38a884cd90d4400a416df8525ce073e/FLAG05a7c2afe [2023-11-29 05:21:14,656 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/data/507787845/f38a884cd90d4400a416df8525ce073e [2023-11-29 05:21:14,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:21:14,660 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:21:14,661 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:21:14,661 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:21:14,666 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:21:14,667 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:21:14" (1/1) ... [2023-11-29 05:21:14,668 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22e1fa72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:21:14, skipping insertion in model container [2023-11-29 05:21:14,668 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:21:14" (1/1) ... [2023-11-29 05:21:14,701 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:21:14,835 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_32e48c02-0e71-430d-a4e2-6f04de0c23d6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-37.i[919,932] [2023-11-29 05:21:14,908 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:21:14,923 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:21:14,934 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_32e48c02-0e71-430d-a4e2-6f04de0c23d6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-37.i[919,932] [2023-11-29 05:21:14,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:21:14,992 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:21:14,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:21:14 WrapperNode [2023-11-29 05:21:14,992 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:21:14,993 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:21:14,993 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:21:14,994 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:21:14,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:21:14" (1/1) ... [2023-11-29 05:21:15,012 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:21:14" (1/1) ... [2023-11-29 05:21:15,042 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 187 [2023-11-29 05:21:15,042 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:21:15,043 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:21:15,043 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:21:15,043 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:21:15,053 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:21:14" (1/1) ... [2023-11-29 05:21:15,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:21:14" (1/1) ... [2023-11-29 05:21:15,059 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:21:14" (1/1) ... [2023-11-29 05:21:15,074 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 05:21:15,075 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:21:14" (1/1) ... [2023-11-29 05:21:15,075 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:21:14" (1/1) ... [2023-11-29 05:21:15,087 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:21:14" (1/1) ... [2023-11-29 05:21:15,092 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:21:14" (1/1) ... [2023-11-29 05:21:15,095 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:21:14" (1/1) ... [2023-11-29 05:21:15,098 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:21:14" (1/1) ... [2023-11-29 05:21:15,103 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:21:15,104 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:21:15,105 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:21:15,105 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:21:15,106 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:21:14" (1/1) ... [2023-11-29 05:21:15,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:21:15,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:21:15,134 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:21:15,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:21:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:21:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 05:21:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 05:21:15,168 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 05:21:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:21:15,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:21:15,260 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:21:15,262 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:21:26,205 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:21:26,247 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:21:26,247 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 05:21:26,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:21:26 BoogieIcfgContainer [2023-11-29 05:21:26,248 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:21:26,250 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:21:26,251 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:21:26,254 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:21:26,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:21:14" (1/3) ... [2023-11-29 05:21:26,255 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed95199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:21:26, skipping insertion in model container [2023-11-29 05:21:26,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:21:14" (2/3) ... [2023-11-29 05:21:26,255 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed95199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:21:26, skipping insertion in model container [2023-11-29 05:21:26,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:21:26" (3/3) ... [2023-11-29 05:21:26,257 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-37.i [2023-11-29 05:21:26,274 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:21:26,274 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:21:26,315 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:21:26,321 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;@79ce4b67, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:21:26,321 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:21:26,326 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 48 states have (on average 1.5416666666666667) internal successors, (74), 49 states have internal predecessors, (74), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-29 05:21:26,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-29 05:21:26,342 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:21:26,343 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:21:26,343 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:21:26,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:21:26,349 INFO L85 PathProgramCache]: Analyzing trace with hash -897105474, now seen corresponding path program 1 times [2023-11-29 05:21:26,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:21:26,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [807973547] [2023-11-29 05:21:26,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:21:26,364 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:21:26,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:21:26,367 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 05:21:26,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-29 05:21:26,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:21:27,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 05:21:27,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:21:27,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 674 proven. 0 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2023-11-29 05:21:27,075 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:21:27,076 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:21:27,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [807973547] [2023-11-29 05:21:27,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [807973547] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:21:27,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:21:27,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:21:27,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952014277] [2023-11-29 05:21:27,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:21:27,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 05:21:27,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:21:27,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 05:21:27,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:21:27,116 INFO L87 Difference]: Start difference. First operand has 77 states, 48 states have (on average 1.5416666666666667) internal successors, (74), 49 states have internal predecessors, (74), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 05:21:31,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:21:31,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:21:31,348 INFO L93 Difference]: Finished difference Result 150 states and 274 transitions. [2023-11-29 05:21:31,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 05:21:31,398 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 166 [2023-11-29 05:21:31,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:21:31,404 INFO L225 Difference]: With dead ends: 150 [2023-11-29 05:21:31,404 INFO L226 Difference]: Without dead ends: 74 [2023-11-29 05:21:31,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:21:31,410 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:21:31,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2023-11-29 05:21:31,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-29 05:21:31,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-11-29 05:21:31,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 46 states have (on average 1.391304347826087) internal successors, (64), 46 states have internal predecessors, (64), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-29 05:21:31,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 116 transitions. [2023-11-29 05:21:31,455 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 116 transitions. Word has length 166 [2023-11-29 05:21:31,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:21:31,455 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 116 transitions. [2023-11-29 05:21:31,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 05:21:31,456 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 116 transitions. [2023-11-29 05:21:31,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-29 05:21:31,459 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:21:31,459 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:21:31,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 05:21:31,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:21:31,660 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:21:31,660 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:21:31,660 INFO L85 PathProgramCache]: Analyzing trace with hash 96204730, now seen corresponding path program 1 times [2023-11-29 05:21:31,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:21:31,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [433269936] [2023-11-29 05:21:31,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:21:31,662 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:21:31,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:21:31,663 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 05:21:31,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-29 05:21:32,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:21:32,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 05:21:32,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:21:35,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 21 proven. 576 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-29 05:21:35,899 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:21:36,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 21 proven. 54 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-29 05:21:36,481 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:21:36,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [433269936] [2023-11-29 05:21:36,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [433269936] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:21:36,482 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:21:36,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2023-11-29 05:21:36,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144506165] [2023-11-29 05:21:36,483 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:21:36,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 05:21:36,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:21:36,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 05:21:36,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-29 05:21:36,486 INFO L87 Difference]: Start difference. First operand 74 states and 116 transitions. Second operand has 11 states, 11 states have (on average 6.636363636363637) internal successors, (73), 11 states have internal predecessors, (73), 4 states have call successors, (52), 3 states have call predecessors, (52), 5 states have return successors, (52), 4 states have call predecessors, (52), 4 states have call successors, (52) [2023-11-29 05:21:40,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:21:41,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:21:44,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:21:48,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:21:51,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:21:51,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:21:51,649 INFO L93 Difference]: Finished difference Result 153 states and 236 transitions. [2023-11-29 05:21:51,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:21:51,702 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.636363636363637) internal successors, (73), 11 states have internal predecessors, (73), 4 states have call successors, (52), 3 states have call predecessors, (52), 5 states have return successors, (52), 4 states have call predecessors, (52), 4 states have call successors, (52) Word has length 166 [2023-11-29 05:21:51,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:21:51,705 INFO L225 Difference]: With dead ends: 153 [2023-11-29 05:21:51,705 INFO L226 Difference]: Without dead ends: 80 [2023-11-29 05:21:51,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2023-11-29 05:21:51,707 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 317 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 188 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2023-11-29 05:21:51,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 164 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 176 Invalid, 1 Unknown, 0 Unchecked, 14.5s Time] [2023-11-29 05:21:51,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-29 05:21:51,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2023-11-29 05:21:51,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 49 states have (on average 1.346938775510204) internal successors, (66), 49 states have internal predecessors, (66), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-29 05:21:51,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 118 transitions. [2023-11-29 05:21:51,725 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 118 transitions. Word has length 166 [2023-11-29 05:21:51,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:21:51,726 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 118 transitions. [2023-11-29 05:21:51,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.636363636363637) internal successors, (73), 11 states have internal predecessors, (73), 4 states have call successors, (52), 3 states have call predecessors, (52), 5 states have return successors, (52), 4 states have call predecessors, (52), 4 states have call successors, (52) [2023-11-29 05:21:51,726 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 118 transitions. [2023-11-29 05:21:51,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-29 05:21:51,730 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:21:51,730 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:21:51,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/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 05:21:51,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:21:51,931 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:21:51,931 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:21:51,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1998863121, now seen corresponding path program 1 times [2023-11-29 05:21:51,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:21:51,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [230377967] [2023-11-29 05:21:51,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:21:51,932 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:21:51,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:21:51,933 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 05:21:51,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-29 05:21:52,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:21:52,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:21:52,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:21:52,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:21:52,568 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:21:52,568 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:21:52,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [230377967] [2023-11-29 05:21:52,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [230377967] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:21:52,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:21:52,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:21:52,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83967885] [2023-11-29 05:21:52,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:21:52,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:21:52,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:21:52,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:21:52,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:21:52,571 INFO L87 Difference]: Start difference. First operand 78 states and 118 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 05:21:56,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:21:56,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:21:56,960 INFO L93 Difference]: Finished difference Result 170 states and 256 transitions. [2023-11-29 05:21:56,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:21:56,961 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 167 [2023-11-29 05:21:56,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:21:56,963 INFO L225 Difference]: With dead ends: 170 [2023-11-29 05:21:56,963 INFO L226 Difference]: Without dead ends: 93 [2023-11-29 05:21:56,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:21:56,964 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 51 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:21:56,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 203 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2023-11-29 05:21:56,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-11-29 05:21:56,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 92. [2023-11-29 05:21:56,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 55 states have (on average 1.290909090909091) internal successors, (71), 56 states have internal predecessors, (71), 33 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (33), 32 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-29 05:21:56,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 137 transitions. [2023-11-29 05:21:56,978 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 137 transitions. Word has length 167 [2023-11-29 05:21:56,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:21:56,978 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 137 transitions. [2023-11-29 05:21:56,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 05:21:56,979 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 137 transitions. [2023-11-29 05:21:56,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-29 05:21:56,981 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:21:56,981 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:21:56,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-29 05:21:57,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:21:57,182 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:21:57,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:21:57,182 INFO L85 PathProgramCache]: Analyzing trace with hash 718999443, now seen corresponding path program 1 times [2023-11-29 05:21:57,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:21:57,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1129797622] [2023-11-29 05:21:57,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:21:57,183 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:21:57,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:21:57,185 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 05:21:57,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-29 05:21:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:21:57,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:21:57,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:21:57,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:21:57,856 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:21:57,856 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:21:57,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1129797622] [2023-11-29 05:21:57,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1129797622] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:21:57,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:21:57,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:21:57,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922853708] [2023-11-29 05:21:57,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:21:57,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:21:57,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:21:57,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:21:57,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:21:57,862 INFO L87 Difference]: Start difference. First operand 92 states and 137 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 05:22:02,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:22:06,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:22:10,260 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 05:22:10,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:22:10,332 INFO L93 Difference]: Finished difference Result 225 states and 327 transitions. [2023-11-29 05:22:10,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:22:10,333 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 167 [2023-11-29 05:22:10,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:22:10,336 INFO L225 Difference]: With dead ends: 225 [2023-11-29 05:22:10,336 INFO L226 Difference]: Without dead ends: 144 [2023-11-29 05:22:10,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:22:10,338 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 48 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:22:10,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 242 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 3 Unknown, 0 Unchecked, 12.4s Time] [2023-11-29 05:22:10,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-11-29 05:22:10,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 141. [2023-11-29 05:22:10,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 91 states have (on average 1.3076923076923077) internal successors, (119), 93 states have internal predecessors, (119), 43 states have call successors, (43), 6 states have call predecessors, (43), 6 states have return successors, (43), 41 states have call predecessors, (43), 43 states have call successors, (43) [2023-11-29 05:22:10,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 205 transitions. [2023-11-29 05:22:10,365 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 205 transitions. Word has length 167 [2023-11-29 05:22:10,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:22:10,366 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 205 transitions. [2023-11-29 05:22:10,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 05:22:10,366 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 205 transitions. [2023-11-29 05:22:10,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-29 05:22:10,369 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:22:10,369 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:22:10,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-11-29 05:22:10,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:22:10,570 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:22:10,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:22:10,570 INFO L85 PathProgramCache]: Analyzing trace with hash 719059025, now seen corresponding path program 1 times [2023-11-29 05:22:10,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:22:10,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2126859707] [2023-11-29 05:22:10,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:22:10,571 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:22:10,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:22:10,572 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 05:22:10,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/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 05:22:11,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:22:11,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 05:22:11,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:22:12,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 232 proven. 138 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2023-11-29 05:22:12,895 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:22:13,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 6 proven. 141 refuted. 0 times theorem prover too weak. 1153 trivial. 0 not checked. [2023-11-29 05:22:13,832 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:22:13,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2126859707] [2023-11-29 05:22:13,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2126859707] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:22:13,832 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:22:13,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2023-11-29 05:22:13,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212722143] [2023-11-29 05:22:13,832 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:22:13,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 05:22:13,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:22:13,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 05:22:13,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:22:13,835 INFO L87 Difference]: Start difference. First operand 141 states and 205 transitions. Second operand has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 4 states have call successors, (51), 3 states have call predecessors, (51), 7 states have return successors, (52), 3 states have call predecessors, (52), 4 states have call successors, (52) [2023-11-29 05:22:16,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:22:20,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:22:24,936 WARN L539 Checker$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 05:22:28,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:22:32,949 WARN L539 Checker$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 05:22:33,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:22:33,992 INFO L93 Difference]: Finished difference Result 307 states and 422 transitions. [2023-11-29 05:22:33,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 05:22:33,993 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 4 states have call successors, (51), 3 states have call predecessors, (51), 7 states have return successors, (52), 3 states have call predecessors, (52), 4 states have call successors, (52) Word has length 167 [2023-11-29 05:22:33,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:22:33,995 INFO L225 Difference]: With dead ends: 307 [2023-11-29 05:22:33,995 INFO L226 Difference]: Without dead ends: 177 [2023-11-29 05:22:33,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 320 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=134, Invalid=246, Unknown=0, NotChecked=0, Total=380 [2023-11-29 05:22:33,997 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 168 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 15 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2023-11-29 05:22:33,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 199 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 260 Invalid, 4 Unknown, 0 Unchecked, 19.9s Time] [2023-11-29 05:22:33,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2023-11-29 05:22:34,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 165. [2023-11-29 05:22:34,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 109 states have (on average 1.238532110091743) internal successors, (135), 111 states have internal predecessors, (135), 43 states have call successors, (43), 12 states have call predecessors, (43), 12 states have return successors, (43), 41 states have call predecessors, (43), 43 states have call successors, (43) [2023-11-29 05:22:34,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 221 transitions. [2023-11-29 05:22:34,023 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 221 transitions. Word has length 167 [2023-11-29 05:22:34,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:22:34,024 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 221 transitions. [2023-11-29 05:22:34,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 4 states have call successors, (51), 3 states have call predecessors, (51), 7 states have return successors, (52), 3 states have call predecessors, (52), 4 states have call successors, (52) [2023-11-29 05:22:34,024 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 221 transitions. [2023-11-29 05:22:34,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-29 05:22:34,026 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:22:34,027 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:22:34,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/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 05:22:34,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:22:34,231 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:22:34,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:22:34,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1381997975, now seen corresponding path program 1 times [2023-11-29 05:22:34,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:22:34,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1011222131] [2023-11-29 05:22:34,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:22:34,232 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:22:34,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:22:34,233 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 05:22:34,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e48c02-0e71-430d-a4e2-6f04de0c23d6/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-29 05:22:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:22:34,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-29 05:22:34,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:24:55,063 WARN L293 SmtUtils]: Spent 32.57s on a formula simplification that was a NOOP. DAG size: 60 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 05:25:03,244 WARN L293 SmtUtils]: Spent 5.42s 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 05:25:15,264 WARN L293 SmtUtils]: Spent 5.28s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:27:22,991 WARN L293 SmtUtils]: Spent 39.42s on a formula simplification that was a NOOP. DAG size: 65 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 05:27:35,412 WARN L293 SmtUtils]: Spent 6.24s 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 05:28:10,477 WARN L293 SmtUtils]: Spent 7.36s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:28:20,577 WARN L293 SmtUtils]: Spent 6.84s 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 05:29:56,403 WARN L293 SmtUtils]: Spent 33.47s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 05:30:02,297 WARN L293 SmtUtils]: Spent 5.87s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:30:09,405 WARN L293 SmtUtils]: Spent 5.17s 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 05:31:30,746 WARN L293 SmtUtils]: Spent 6.56s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:32:44,705 WARN L293 SmtUtils]: Spent 6.85s 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 05:34:30,678 WARN L293 SmtUtils]: Spent 39.03s on a formula simplification that was a NOOP. DAG size: 79 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 05:35:41,440 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ zero_extend 16) c_~var_1_3~0))) (let ((.cse4 (bvneg .cse3)) (.cse2 ((_ zero_extend 16) c_~var_1_18~0)) (.cse5 ((_ zero_extend 16) c_~var_1_17~0))) (and (= (bvsdiv c_~var_1_1~0 (_ bv2 32)) |c_ULTIMATE.start_step_~stepLocal_1~0#1|) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.leq c_~var_1_9~0 .cse0) (fp.geq c_~var_1_9~0 .cse1)) (and (fp.leq c_~var_1_9~0 (fp.neg .cse1)) (fp.geq c_~var_1_9~0 (fp.neg .cse0))))) (fp.gt c_~var_1_13~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_20~0 c_~var_1_15~0) (fp.sub c_currentRoundingMode c_~var_1_21~0 c_~var_1_16~0))) (bvsge .cse2 (_ bv32767 32)) (= c_~var_1_10~0 c_~var_1_9~0) (bvsle .cse3 (_ bv32767 32)) (bvsgt (bvadd .cse4 ((_ zero_extend 16) c_~var_1_2~0)) .cse5) (= c_~var_1_11~0 (_ bv64 8)) (not (= ((_ zero_extend 24) c_~var_1_8~0) (_ bv0 32))) (= c_~var_1_17~0 ((_ extract 15 0) (bvadd .cse4 .cse2))) (let ((.cse6 ((_ sign_extend 24) c_~var_1_12~0)) (.cse8 ((_ sign_extend 24) c_~var_1_22~0))) (let ((.cse7 (bvsgt .cse6 .cse8))) (or (and (= c_~var_1_19~0 ((_ extract 7 0) .cse6)) .cse7) (and (not .cse7) (= c_~var_1_19~0 ((_ extract 7 0) .cse8)))))) (let ((.cse10 (bvadd .cse3 ((_ sign_extend 24) (_ bv64 8))))) (let ((.cse9 (bvslt .cse10 .cse5))) (or (and (not .cse9) (= c_~var_1_1~0 .cse5)) (and (= c_~var_1_1~0 .cse10) .cse9)))) (= (_ bv0 8) c_~var_1_14~0)))) is different from false [2023-11-29 05:35:50,605 WARN L293 SmtUtils]: Spent 5.13s 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)