./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-49.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-49.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX --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 d884eeffd8b0023fc900bd81f692be364c6bc9fc89a5974af855cb50a9688a16 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:11:44,120 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:11:44,225 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 17:11:44,234 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:11:44,235 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:11:44,282 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:11:44,284 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:11:44,285 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:11:44,286 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:11:44,287 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:11:44,288 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:11:44,288 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:11:44,289 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:11:44,291 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:11:44,294 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:11:44,294 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:11:44,295 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:11:44,295 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:11:44,296 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:11:44,296 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:11:44,297 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:11:44,303 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:11:44,303 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:11:44,304 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:11:44,304 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:11:44,305 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:11:44,305 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:11:44,305 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:11:44,306 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:11:44,306 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:11:44,307 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:11:44,307 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:11:44,307 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:11:44,308 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:11:44,308 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:11:44,309 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:11:44,311 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:11:44,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:11:44,312 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:11:44,312 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:11:44,313 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:11:44,313 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:11:44,313 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_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d884eeffd8b0023fc900bd81f692be364c6bc9fc89a5974af855cb50a9688a16 [2024-11-08 17:11:44,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:11:44,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:11:44,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:11:44,790 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:11:44,791 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:11:44,793 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-49.i Unable to find full path for "g++" [2024-11-08 17:11:46,939 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:11:47,173 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:11:47,174 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-49.i [2024-11-08 17:11:47,192 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/data/718e7e66b/1917fb1b6238412499d6a8a689b3be98/FLAG350da42f7 [2024-11-08 17:11:47,213 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/data/718e7e66b/1917fb1b6238412499d6a8a689b3be98 [2024-11-08 17:11:47,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:11:47,217 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:11:47,222 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:11:47,222 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:11:47,228 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:11:47,229 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:11:47" (1/1) ... [2024-11-08 17:11:47,231 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@708c7e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:47, skipping insertion in model container [2024-11-08 17:11:47,234 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:11:47" (1/1) ... [2024-11-08 17:11:47,283 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:11:47,530 WARN L250 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_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-49.i[917,930] [2024-11-08 17:11:47,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:11:47,672 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:11:47,686 WARN L250 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_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-49.i[917,930] [2024-11-08 17:11:47,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:11:47,771 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:11:47,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:47 WrapperNode [2024-11-08 17:11:47,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:11:47,773 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:11:47,773 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:11:47,774 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:11:47,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:47" (1/1) ... [2024-11-08 17:11:47,817 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:47" (1/1) ... [2024-11-08 17:11:47,910 INFO L138 Inliner]: procedures = 30, calls = 192, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 669 [2024-11-08 17:11:47,910 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:11:47,911 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:11:47,911 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:11:47,911 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:11:47,927 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:47" (1/1) ... [2024-11-08 17:11:47,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:47" (1/1) ... [2024-11-08 17:11:47,941 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:47" (1/1) ... [2024-11-08 17:11:47,952 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-08 17:11:47,952 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:47" (1/1) ... [2024-11-08 17:11:47,952 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:47" (1/1) ... [2024-11-08 17:11:47,979 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:47" (1/1) ... [2024-11-08 17:11:47,987 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:47" (1/1) ... [2024-11-08 17:11:47,995 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:47" (1/1) ... [2024-11-08 17:11:48,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:47" (1/1) ... [2024-11-08 17:11:48,018 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:11:48,019 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:11:48,020 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:11:48,020 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:11:48,024 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:47" (1/1) ... [2024-11-08 17:11:48,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:11:48,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:11:48,092 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:11:48,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:11:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:11:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-08 17:11:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-08 17:11:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-08 17:11:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 17:11:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-08 17:11:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 17:11:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:11:48,167 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:11:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 17:11:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:11:48,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:11:48,391 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:11:48,395 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:11:49,421 INFO L? ?]: Removed 216 outVars from TransFormulas that were not future-live. [2024-11-08 17:11:49,421 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:11:49,441 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:11:49,441 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:11:49,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:11:49 BoogieIcfgContainer [2024-11-08 17:11:49,442 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:11:49,445 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:11:49,446 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:11:49,451 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:11:49,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:11:47" (1/3) ... [2024-11-08 17:11:49,452 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d57a4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:11:49, skipping insertion in model container [2024-11-08 17:11:49,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:47" (2/3) ... [2024-11-08 17:11:49,453 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d57a4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:11:49, skipping insertion in model container [2024-11-08 17:11:49,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:11:49" (3/3) ... [2024-11-08 17:11:49,455 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-49.i [2024-11-08 17:11:49,481 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:11:49,481 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:11:49,574 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:11:49,589 INFO L333 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, 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;@3db120cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:11:49,590 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:11:49,597 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 119 states have (on average 1.4705882352941178) internal successors, (175), 120 states have internal predecessors, (175), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 17:11:49,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-08 17:11:49,614 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:11:49,615 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:11:49,616 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:11:49,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:11:49,625 INFO L85 PathProgramCache]: Analyzing trace with hash 838868375, now seen corresponding path program 1 times [2024-11-08 17:11:49,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:11:49,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146568912] [2024-11-08 17:11:49,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:11:49,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:11:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:50,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 17:11:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:50,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:11:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:50,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:11:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:50,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:11:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:50,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:11:50,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:50,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:11:50,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:50,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:11:50,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:50,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 17:11:50,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:50,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 17:11:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:50,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:11:50,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:50,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:11:50,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:50,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 17:11:50,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:50,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 17:11:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:50,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:11:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:50,336 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 17:11:50,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:11:50,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146568912] [2024-11-08 17:11:50,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146568912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:11:50,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:11:50,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:11:50,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133680377] [2024-11-08 17:11:50,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:11:50,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:11:50,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:11:50,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:11:50,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:11:50,381 INFO L87 Difference]: Start difference. First operand has 136 states, 119 states have (on average 1.4705882352941178) internal successors, (175), 120 states have internal predecessors, (175), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 17:11:50,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:11:50,422 INFO L93 Difference]: Finished difference Result 265 states and 414 transitions. [2024-11-08 17:11:50,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:11:50,429 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 117 [2024-11-08 17:11:50,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:11:50,446 INFO L225 Difference]: With dead ends: 265 [2024-11-08 17:11:50,446 INFO L226 Difference]: Without dead ends: 132 [2024-11-08 17:11:50,452 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:11:50,457 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:11:50,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:11:50,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-08 17:11:50,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2024-11-08 17:11:50,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 116 states have (on average 1.4482758620689655) internal successors, (168), 116 states have internal predecessors, (168), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 17:11:50,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 196 transitions. [2024-11-08 17:11:50,532 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 196 transitions. Word has length 117 [2024-11-08 17:11:50,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:11:50,534 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 196 transitions. [2024-11-08 17:11:50,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 17:11:50,535 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 196 transitions. [2024-11-08 17:11:50,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-08 17:11:50,541 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:11:50,542 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:11:50,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:11:50,543 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:11:50,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:11:50,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1589043519, now seen corresponding path program 1 times [2024-11-08 17:11:50,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:11:50,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834233921] [2024-11-08 17:11:50,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:11:50,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:11:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:51,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 17:11:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:51,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:11:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:51,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:11:51,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:51,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:11:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:51,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:11:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:51,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:11:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:51,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:11:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:51,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 17:11:51,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:51,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 17:11:51,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:51,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:11:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:51,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:11:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:51,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 17:11:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:51,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 17:11:51,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:51,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:11:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:51,958 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 17:11:51,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:11:51,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834233921] [2024-11-08 17:11:51,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834233921] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:11:51,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:11:51,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:11:51,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307269916] [2024-11-08 17:11:51,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:11:51,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:11:51,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:11:51,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:11:51,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:11:51,971 INFO L87 Difference]: Start difference. First operand 132 states and 196 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 17:11:52,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:11:52,644 INFO L93 Difference]: Finished difference Result 315 states and 468 transitions. [2024-11-08 17:11:52,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:11:52,650 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 117 [2024-11-08 17:11:52,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:11:52,653 INFO L225 Difference]: With dead ends: 315 [2024-11-08 17:11:52,655 INFO L226 Difference]: Without dead ends: 186 [2024-11-08 17:11:52,657 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:11:52,661 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 76 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 17:11:52,661 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 558 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 17:11:52,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-08 17:11:52,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 136. [2024-11-08 17:11:52,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 120 states have (on average 1.4416666666666667) internal successors, (173), 120 states have internal predecessors, (173), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 17:11:52,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 201 transitions. [2024-11-08 17:11:52,684 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 201 transitions. Word has length 117 [2024-11-08 17:11:52,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:11:52,686 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 201 transitions. [2024-11-08 17:11:52,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 17:11:52,687 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 201 transitions. [2024-11-08 17:11:52,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-08 17:11:52,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:11:52,690 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:11:52,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:11:52,690 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:11:52,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:11:52,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1265693702, now seen corresponding path program 1 times [2024-11-08 17:11:52,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:11:52,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415327348] [2024-11-08 17:11:52,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:11:52,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:11:52,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:54,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 17:11:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:54,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:11:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:54,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:11:54,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:54,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:11:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:54,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:11:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:54,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:11:54,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:54,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:11:54,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:54,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 17:11:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:54,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 17:11:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:54,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:11:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:54,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:11:54,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:54,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 17:11:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:54,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 17:11:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:54,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:11:54,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:54,747 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-08 17:11:54,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:11:54,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415327348] [2024-11-08 17:11:54,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415327348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:11:54,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:11:54,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 17:11:54,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928415809] [2024-11-08 17:11:54,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:11:54,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 17:11:54,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:11:54,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 17:11:54,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-08 17:11:54,756 INFO L87 Difference]: Start difference. First operand 136 states and 201 transitions. Second operand has 11 states, 10 states have (on average 5.5) internal successors, (55), 11 states have internal predecessors, (55), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 17:11:56,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:11:56,446 INFO L93 Difference]: Finished difference Result 313 states and 460 transitions. [2024-11-08 17:11:56,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 17:11:56,447 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.5) internal successors, (55), 11 states have internal predecessors, (55), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 119 [2024-11-08 17:11:56,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:11:56,449 INFO L225 Difference]: With dead ends: 313 [2024-11-08 17:11:56,449 INFO L226 Difference]: Without dead ends: 180 [2024-11-08 17:11:56,454 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2024-11-08 17:11:56,458 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 218 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:11:56,459 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 724 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 17:11:56,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-11-08 17:11:56,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 175. [2024-11-08 17:11:56,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 146 states have (on average 1.3972602739726028) internal successors, (204), 147 states have internal predecessors, (204), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-08 17:11:56,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 256 transitions. [2024-11-08 17:11:56,543 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 256 transitions. Word has length 119 [2024-11-08 17:11:56,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:11:56,544 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 256 transitions. [2024-11-08 17:11:56,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.5) internal successors, (55), 11 states have internal predecessors, (55), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 17:11:56,544 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 256 transitions. [2024-11-08 17:11:56,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-08 17:11:56,551 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:11:56,551 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:11:56,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 17:11:56,552 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:11:56,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:11:56,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1412450516, now seen corresponding path program 1 times [2024-11-08 17:11:56,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:11:56,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849019771] [2024-11-08 17:11:56,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:11:56,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:11:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:02,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 17:12:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:02,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:12:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:02,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:12:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:02,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:12:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:02,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:12:02,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:02,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:12:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:02,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:12:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:02,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 17:12:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:02,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 17:12:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:02,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:12:02,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:02,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:12:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:02,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 17:12:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:02,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 17:12:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:02,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:12:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:02,856 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 17:12:02,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:12:02,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849019771] [2024-11-08 17:12:02,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849019771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:12:02,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:12:02,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-08 17:12:02,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388107066] [2024-11-08 17:12:02,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:12:02,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-08 17:12:02,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:12:02,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-08 17:12:02,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2024-11-08 17:12:02,868 INFO L87 Difference]: Start difference. First operand 175 states and 256 transitions. Second operand has 19 states, 19 states have (on average 2.8421052631578947) internal successors, (54), 19 states have internal predecessors, (54), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 17:12:09,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:12:09,298 INFO L93 Difference]: Finished difference Result 560 states and 831 transitions. [2024-11-08 17:12:09,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 17:12:09,304 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.8421052631578947) internal successors, (54), 19 states have internal predecessors, (54), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 121 [2024-11-08 17:12:09,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:12:09,316 INFO L225 Difference]: With dead ends: 560 [2024-11-08 17:12:09,316 INFO L226 Difference]: Without dead ends: 427 [2024-11-08 17:12:09,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=175, Invalid=755, Unknown=0, NotChecked=0, Total=930 [2024-11-08 17:12:09,322 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 1534 mSDsluCounter, 918 mSDsCounter, 0 mSdLazyCounter, 1867 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1534 SdHoareTripleChecker+Valid, 1009 SdHoareTripleChecker+Invalid, 1996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 1867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:12:09,323 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1534 Valid, 1009 Invalid, 1996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 1867 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-08 17:12:09,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-11-08 17:12:09,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 238. [2024-11-08 17:12:09,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 209 states have (on average 1.4354066985645932) internal successors, (300), 210 states have internal predecessors, (300), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-08 17:12:09,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 352 transitions. [2024-11-08 17:12:09,392 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 352 transitions. Word has length 121 [2024-11-08 17:12:09,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:12:09,393 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 352 transitions. [2024-11-08 17:12:09,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.8421052631578947) internal successors, (54), 19 states have internal predecessors, (54), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 17:12:09,394 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 352 transitions. [2024-11-08 17:12:09,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-08 17:12:09,399 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:12:09,400 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:12:09,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 17:12:09,401 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:12:09,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:12:09,402 INFO L85 PathProgramCache]: Analyzing trace with hash -122433939, now seen corresponding path program 1 times [2024-11-08 17:12:09,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:12:09,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373686910] [2024-11-08 17:12:09,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:12:09,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:12:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:10,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 17:12:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:10,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:12:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:10,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:12:10,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:10,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:12:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:10,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:12:10,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:10,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:12:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:10,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:12:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:10,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 17:12:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:10,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 17:12:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:10,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:12:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:10,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:12:10,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:10,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 17:12:10,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:10,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 17:12:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:10,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:12:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:10,994 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 33 proven. 6 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-08 17:12:10,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:12:10,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373686910] [2024-11-08 17:12:10,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373686910] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:12:10,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322008254] [2024-11-08 17:12:10,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:12:10,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:12:11,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:12:11,014 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:12:11,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:12:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:11,381 INFO L255 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-08 17:12:11,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:12:13,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 17:12:13,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-08 17:12:13,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 17:12:13,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-08 17:12:14,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 17:12:14,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-08 17:12:14,159 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-11-08 17:12:14,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 20 [2024-11-08 17:12:14,214 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-11-08 17:12:14,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 12 [2024-11-08 17:12:14,237 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 33 proven. 96 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-08 17:12:14,237 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:12:14,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322008254] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:12:14,557 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 17:12:14,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2024-11-08 17:12:14,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912642928] [2024-11-08 17:12:14,557 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 17:12:14,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-08 17:12:14,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:12:14,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-08 17:12:14,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=450, Unknown=0, NotChecked=0, Total=552 [2024-11-08 17:12:14,562 INFO L87 Difference]: Start difference. First operand 238 states and 352 transitions. Second operand has 22 states, 20 states have (on average 5.2) internal successors, (104), 20 states have internal predecessors, (104), 7 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 7 states have call predecessors, (28), 7 states have call successors, (28) [2024-11-08 17:12:16,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:12:16,594 INFO L93 Difference]: Finished difference Result 490 states and 725 transitions. [2024-11-08 17:12:16,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 17:12:16,595 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 5.2) internal successors, (104), 20 states have internal predecessors, (104), 7 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 7 states have call predecessors, (28), 7 states have call successors, (28) Word has length 121 [2024-11-08 17:12:16,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:12:16,598 INFO L225 Difference]: With dead ends: 490 [2024-11-08 17:12:16,601 INFO L226 Difference]: Without dead ends: 294 [2024-11-08 17:12:16,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 162 SyntacticMatches, 4 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=219, Invalid=711, Unknown=0, NotChecked=0, Total=930 [2024-11-08 17:12:16,603 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 572 mSDsluCounter, 826 mSDsCounter, 0 mSdLazyCounter, 1301 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 585 SdHoareTripleChecker+Valid, 935 SdHoareTripleChecker+Invalid, 1454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 1301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 17:12:16,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [585 Valid, 935 Invalid, 1454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 1301 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 17:12:16,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-11-08 17:12:16,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 254. [2024-11-08 17:12:16,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 223 states have (on average 1.4260089686098654) internal successors, (318), 224 states have internal predecessors, (318), 26 states have call successors, (26), 4 states have call predecessors, (26), 4 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-08 17:12:16,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 370 transitions. [2024-11-08 17:12:16,649 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 370 transitions. Word has length 121 [2024-11-08 17:12:16,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:12:16,652 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 370 transitions. [2024-11-08 17:12:16,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 5.2) internal successors, (104), 20 states have internal predecessors, (104), 7 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 7 states have call predecessors, (28), 7 states have call successors, (28) [2024-11-08 17:12:16,652 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 370 transitions. [2024-11-08 17:12:16,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-08 17:12:16,654 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:12:16,654 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:12:16,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 17:12:16,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:12:16,855 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:12:16,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:12:16,856 INFO L85 PathProgramCache]: Analyzing trace with hash -709239953, now seen corresponding path program 1 times [2024-11-08 17:12:16,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:12:16,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231036677] [2024-11-08 17:12:16,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:12:16,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:12:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:12:17,004 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:12:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:12:17,190 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:12:17,191 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:12:17,192 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 17:12:17,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 17:12:17,198 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-08 17:12:17,329 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:12:17,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:12:17 BoogieIcfgContainer [2024-11-08 17:12:17,334 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:12:17,334 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:12:17,335 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:12:17,335 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:12:17,335 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:11:49" (3/4) ... [2024-11-08 17:12:17,339 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:12:17,340 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:12:17,341 INFO L158 Benchmark]: Toolchain (without parser) took 30124.01ms. Allocated memory was 134.2MB in the beginning and 501.2MB in the end (delta: 367.0MB). Free memory was 70.3MB in the beginning and 438.7MB in the end (delta: -368.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:12:17,342 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 134.2MB. Free memory is still 107.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:12:17,342 INFO L158 Benchmark]: CACSL2BoogieTranslator took 550.51ms. Allocated memory was 134.2MB in the beginning and 186.6MB in the end (delta: 52.4MB). Free memory was 70.1MB in the beginning and 148.6MB in the end (delta: -78.5MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-11-08 17:12:17,342 INFO L158 Benchmark]: Boogie Procedure Inliner took 137.17ms. Allocated memory is still 186.6MB. Free memory was 148.6MB in the beginning and 143.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:12:17,343 INFO L158 Benchmark]: Boogie Preprocessor took 107.46ms. Allocated memory is still 186.6MB. Free memory was 143.4MB in the beginning and 139.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:12:17,343 INFO L158 Benchmark]: RCFGBuilder took 1422.91ms. Allocated memory is still 186.6MB. Free memory was 139.2MB in the beginning and 113.3MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-08 17:12:17,344 INFO L158 Benchmark]: TraceAbstraction took 27888.25ms. Allocated memory was 186.6MB in the beginning and 501.2MB in the end (delta: 314.6MB). Free memory was 113.3MB in the beginning and 439.7MB in the end (delta: -326.4MB). Peak memory consumption was 266.0MB. Max. memory is 16.1GB. [2024-11-08 17:12:17,344 INFO L158 Benchmark]: Witness Printer took 6.16ms. Allocated memory is still 501.2MB. Free memory was 439.7MB in the beginning and 438.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:12:17,346 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 134.2MB. Free memory is still 107.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 550.51ms. Allocated memory was 134.2MB in the beginning and 186.6MB in the end (delta: 52.4MB). Free memory was 70.1MB in the beginning and 148.6MB in the end (delta: -78.5MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 137.17ms. Allocated memory is still 186.6MB. Free memory was 148.6MB in the beginning and 143.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.46ms. Allocated memory is still 186.6MB. Free memory was 143.4MB in the beginning and 139.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1422.91ms. Allocated memory is still 186.6MB. Free memory was 139.2MB in the beginning and 113.3MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 27888.25ms. Allocated memory was 186.6MB in the beginning and 501.2MB in the end (delta: 314.6MB). Free memory was 113.3MB in the beginning and 439.7MB in the end (delta: -326.4MB). Peak memory consumption was 266.0MB. Max. memory is 16.1GB. * Witness Printer took 6.16ms. Allocated memory is still 501.2MB. Free memory was 439.7MB in the beginning and 438.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.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 120. Possible FailurePath: [L36] unsigned char isInitial = 0; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { 4, 1000000000000000.4, 1000.2, 256, 4, 10, 128, -2, 0, 0, 0, 1 }; [L51] unsigned short int* WrapperStruct00_var_1_1_Pointer = &(WrapperStruct00.var_1_1); [L52] float* WrapperStruct00_var_1_2_Pointer = &(WrapperStruct00.var_1_2); [L53] float* WrapperStruct00_var_1_3_Pointer = &(WrapperStruct00.var_1_3); [L54] unsigned short int* WrapperStruct00_var_1_4_Pointer = &(WrapperStruct00.var_1_4); [L55] unsigned short int* WrapperStruct00_var_1_5_Pointer = &(WrapperStruct00.var_1_5); [L56] unsigned short int* WrapperStruct00_var_1_6_Pointer = &(WrapperStruct00.var_1_6); [L57] signed short int* WrapperStruct00_var_1_8_Pointer = &(WrapperStruct00.var_1_8); [L58] signed short int* WrapperStruct00_var_1_9_Pointer = &(WrapperStruct00.var_1_9); [L59] unsigned char* WrapperStruct00_var_1_10_Pointer = &(WrapperStruct00.var_1_10); [L60] unsigned char* WrapperStruct00_var_1_11_Pointer = &(WrapperStruct00.var_1_11); [L61] unsigned char* WrapperStruct00_var_1_12_Pointer = &(WrapperStruct00.var_1_12); [L62] unsigned char* WrapperStruct00_var_1_13_Pointer = &(WrapperStruct00.var_1_13); VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=0] [L124] isInitial = 1 [L125] FCALL initially() [L126] COND TRUE 1 [L127] FCALL updateLastVariables() [L128] CALL updateVariables() [L94] WrapperStruct00.var_1_2 = __VERIFIER_nondet_float() [L95] EXPR WrapperStruct00.var_1_2 [L95] EXPR WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F [L95] EXPR WrapperStruct00.var_1_2 [L95] EXPR WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L95] EXPR (WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F) || (WrapperStruct00.var_1_2 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L95] CALL assume_abort_if_not((WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F) || (WrapperStruct00.var_1_2 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, \old(cond)=1, isInitial=1] [L95] RET assume_abort_if_not((WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F) || (WrapperStruct00.var_1_2 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L96] WrapperStruct00.var_1_3 = __VERIFIER_nondet_float() [L97] EXPR WrapperStruct00.var_1_3 [L97] EXPR WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F [L97] EXPR WrapperStruct00.var_1_3 [L97] EXPR WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L97] EXPR (WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L97] CALL assume_abort_if_not((WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, \old(cond)=1, isInitial=1] [L97] RET assume_abort_if_not((WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L98] WrapperStruct00.var_1_4 = __VERIFIER_nondet_ushort() [L99] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_4 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, \old(cond)=1, isInitial=1] [L99] RET assume_abort_if_not(WrapperStruct00.var_1_4 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L100] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_4 <= 65534) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, \old(cond)=1, isInitial=1] [L100] RET assume_abort_if_not(WrapperStruct00.var_1_4 <= 65534) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L101] WrapperStruct00.var_1_5 = __VERIFIER_nondet_ushort() [L102] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L102] CALL assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, \old(cond)=1, isInitial=1] [L102] RET assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L103] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L103] CALL assume_abort_if_not(WrapperStruct00.var_1_5 <= 65534) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, \old(cond)=1, isInitial=1] [L103] RET assume_abort_if_not(WrapperStruct00.var_1_5 <= 65534) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L104] WrapperStruct00.var_1_6 = __VERIFIER_nondet_ushort() [L105] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L105] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, \old(cond)=1, isInitial=1] [L105] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L106] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L106] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 65534) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, \old(cond)=1, isInitial=1] [L106] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 65534) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L107] WrapperStruct00.var_1_9 = __VERIFIER_nondet_short() [L108] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L108] CALL assume_abort_if_not(WrapperStruct00.var_1_9 >= -32766) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, \old(cond)=1, isInitial=1] [L108] RET assume_abort_if_not(WrapperStruct00.var_1_9 >= -32766) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L109] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_9 <= 32766) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, \old(cond)=1, isInitial=1] [L109] RET assume_abort_if_not(WrapperStruct00.var_1_9 <= 32766) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L110] WrapperStruct00.var_1_11 = __VERIFIER_nondet_uchar() [L111] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L111] CALL assume_abort_if_not(WrapperStruct00.var_1_11 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, \old(cond)=1, isInitial=1] [L111] RET assume_abort_if_not(WrapperStruct00.var_1_11 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L112] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L112] CALL assume_abort_if_not(WrapperStruct00.var_1_11 <= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, \old(cond)=1, isInitial=1] [L112] RET assume_abort_if_not(WrapperStruct00.var_1_11 <= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L113] WrapperStruct00.var_1_12 = __VERIFIER_nondet_uchar() [L114] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L114] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, \old(cond)=1, isInitial=1] [L114] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L115] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L115] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, \old(cond)=1, isInitial=1] [L115] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L128] RET updateVariables() [L129] CALL step() [L66] EXPR \read(*WrapperStruct00_var_1_9_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L66] EXPR (((*(WrapperStruct00_var_1_9_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_9_Pointer))) : ((*(WrapperStruct00_var_1_9_Pointer))) [L66] EXPR \read(*WrapperStruct00_var_1_9_Pointer) [L66] EXPR (((*(WrapperStruct00_var_1_9_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_9_Pointer))) : ((*(WrapperStruct00_var_1_9_Pointer))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L66] (*(WrapperStruct00_var_1_8_Pointer)) = (((((*(WrapperStruct00_var_1_9_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_9_Pointer))) : ((*(WrapperStruct00_var_1_9_Pointer))))) [L67] EXPR \read(*WrapperStruct00_var_1_4_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L67] EXPR 50 >> (*(WrapperStruct00_var_1_4_Pointer)) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L67] EXPR \read(*WrapperStruct00_var_1_8_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L67] COND FALSE !((50 >> (*(WrapperStruct00_var_1_4_Pointer))) <= (*(WrapperStruct00_var_1_8_Pointer))) [L70] EXPR \read(*WrapperStruct00_var_1_11_Pointer) [L70] (*(WrapperStruct00_var_1_10_Pointer)) = (! (*(WrapperStruct00_var_1_11_Pointer))) [L72] EXPR \read(*WrapperStruct00_var_1_12_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L72] COND TRUE ! (*(WrapperStruct00_var_1_12_Pointer)) [L73] EXPR \read(*WrapperStruct00_var_1_4_Pointer) [L73] EXPR \read(*WrapperStruct00_var_1_6_Pointer) [L73] EXPR \read(*WrapperStruct00_var_1_8_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L73] EXPR (((*(WrapperStruct00_var_1_6_Pointer))) < ((*(WrapperStruct00_var_1_8_Pointer)))) ? ((*(WrapperStruct00_var_1_6_Pointer))) : ((*(WrapperStruct00_var_1_8_Pointer))) [L73] EXPR \read(*WrapperStruct00_var_1_6_Pointer) [L73] EXPR (((*(WrapperStruct00_var_1_6_Pointer))) < ((*(WrapperStruct00_var_1_8_Pointer)))) ? ((*(WrapperStruct00_var_1_6_Pointer))) : ((*(WrapperStruct00_var_1_8_Pointer))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L73] COND FALSE !((*(WrapperStruct00_var_1_4_Pointer)) >= (((((*(WrapperStruct00_var_1_6_Pointer))) < ((*(WrapperStruct00_var_1_8_Pointer)))) ? ((*(WrapperStruct00_var_1_6_Pointer))) : ((*(WrapperStruct00_var_1_8_Pointer)))))) [L76] EXPR \read(*WrapperStruct00_var_1_11_Pointer) [L76] (*(WrapperStruct00_var_1_13_Pointer)) = (*(WrapperStruct00_var_1_11_Pointer)) [L79] EXPR \read(*WrapperStruct00_var_1_2_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L79] COND TRUE (*(WrapperStruct00_var_1_2_Pointer)) >= 64.5f [L80] EXPR \read(*WrapperStruct00_var_1_2_Pointer) [L80] EXPR \read(*WrapperStruct00_var_1_3_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L80] COND FALSE !((*(WrapperStruct00_var_1_2_Pointer)) >= (*(WrapperStruct00_var_1_3_Pointer))) [L83] EXPR \read(*WrapperStruct00_var_1_13_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L83] COND FALSE !((*(WrapperStruct00_var_1_13_Pointer))) [L86] EXPR \read(*WrapperStruct00_var_1_6_Pointer) [L86] (*(WrapperStruct00_var_1_1_Pointer)) = (*(WrapperStruct00_var_1_6_Pointer)) [L129] RET step() [L130] CALL, EXPR property() [L120] EXPR \read(*WrapperStruct00_var_1_2_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L120] EXPR ((*(WrapperStruct00_var_1_2_Pointer)) >= 64.5f) ? (((*(WrapperStruct00_var_1_2_Pointer)) >= (*(WrapperStruct00_var_1_3_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) ((((((((*(WrapperStruct00_var_1_4_Pointer))) > ((((((*(WrapperStruct00_var_1_5_Pointer))) > ((*(WrapperStruct00_var_1_6_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : ((*(WrapperStruct00_var_1_6_Pointer))))))) ? ((*(WrapperStruct00_var_1_4_Pointer))) : ((((((*(WrapperStruct00_var_1_5_Pointer))) > ((*(WrapperStruct00_var_1_6_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : ((*(WrapperStruct00_var_1_6_Pointer)))))))) < 0 ) ? -(((((*(WrapperStruct00_var_1_4_Pointer))) > ((((((*(WrapperStruct00_var_1_5_Pointer))) > ((*(WrapperStruct00_var_1_6_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : ((*(WrapperStruct00_var_1_6_Pointer))))))) ? ((*(WrapperStruct00_var_1_4_Pointer))) : ((((((*(WrapperStruct00_var_1_5_Pointer))) > ((*(WrapperStruct00_var_1_6_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : ((*(WrapperStruct00_var_1_6_Pointer)))))))) : (((((*(WrapperStruct00_var_1_4_Pointer))) > ((((((*(WrapperStruct00_var_1_5_Pointer))) > ((*(WrapperStruct00_var_1_6_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : ((*(WrapperStruct00_var_1_6_Pointer))))))) ? ((*(WrapperStruct00_var_1_4_Pointer))) : ((((((*(WrapperStruct00_var_1_5_Pointer))) > ((*(WrapperStruct00_var_1_6_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : ((*(WrapperStruct00_var_1_6_Pointer)))))))))))) : ((*(WrapperStruct00_var_1_13_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_5_Pointer)))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_6_Pointer)))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) 50)) [L120] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L120] EXPR ((*(WrapperStruct00_var_1_2_Pointer)) >= 64.5f) ? (((*(WrapperStruct00_var_1_2_Pointer)) >= (*(WrapperStruct00_var_1_3_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) ((((((((*(WrapperStruct00_var_1_4_Pointer))) > ((((((*(WrapperStruct00_var_1_5_Pointer))) > ((*(WrapperStruct00_var_1_6_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : ((*(WrapperStruct00_var_1_6_Pointer))))))) ? ((*(WrapperStruct00_var_1_4_Pointer))) : ((((((*(WrapperStruct00_var_1_5_Pointer))) > ((*(WrapperStruct00_var_1_6_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : ((*(WrapperStruct00_var_1_6_Pointer)))))))) < 0 ) ? -(((((*(WrapperStruct00_var_1_4_Pointer))) > ((((((*(WrapperStruct00_var_1_5_Pointer))) > ((*(WrapperStruct00_var_1_6_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : ((*(WrapperStruct00_var_1_6_Pointer))))))) ? ((*(WrapperStruct00_var_1_4_Pointer))) : ((((((*(WrapperStruct00_var_1_5_Pointer))) > ((*(WrapperStruct00_var_1_6_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : ((*(WrapperStruct00_var_1_6_Pointer)))))))) : (((((*(WrapperStruct00_var_1_4_Pointer))) > ((((((*(WrapperStruct00_var_1_5_Pointer))) > ((*(WrapperStruct00_var_1_6_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : ((*(WrapperStruct00_var_1_6_Pointer))))))) ? ((*(WrapperStruct00_var_1_4_Pointer))) : ((((((*(WrapperStruct00_var_1_5_Pointer))) > ((*(WrapperStruct00_var_1_6_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : ((*(WrapperStruct00_var_1_6_Pointer)))))))))))) : ((*(WrapperStruct00_var_1_13_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_5_Pointer)))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_6_Pointer)))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) 50)) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L120] EXPR (((*(WrapperStruct00_var_1_2_Pointer)) >= 64.5f) ? (((*(WrapperStruct00_var_1_2_Pointer)) >= (*(WrapperStruct00_var_1_3_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) ((((((((*(WrapperStruct00_var_1_4_Pointer))) > ((((((*(WrapperStruct00_var_1_5_Pointer))) > ((*(WrapperStruct00_var_1_6_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : ((*(WrapperStruct00_var_1_6_Pointer))))))) ? ((*(WrapperStruct00_var_1_4_Pointer))) : ((((((*(WrapperStruct00_var_1_5_Pointer))) > ((*(WrapperStruct00_var_1_6_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : ((*(WrapperStruct00_var_1_6_Pointer)))))))) < 0 ) ? -(((((*(WrapperStruct00_var_1_4_Pointer))) > ((((((*(WrapperStruct00_var_1_5_Pointer))) > ((*(WrapperStruct00_var_1_6_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : ((*(WrapperStruct00_var_1_6_Pointer))))))) ? ((*(WrapperStruct00_var_1_4_Pointer))) : ((((((*(WrapperStruct00_var_1_5_Pointer))) > ((*(WrapperStruct00_var_1_6_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : ((*(WrapperStruct00_var_1_6_Pointer)))))))) : (((((*(WrapperStruct00_var_1_4_Pointer))) > ((((((*(WrapperStruct00_var_1_5_Pointer))) > ((*(WrapperStruct00_var_1_6_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : ((*(WrapperStruct00_var_1_6_Pointer))))))) ? ((*(WrapperStruct00_var_1_4_Pointer))) : ((((((*(WrapperStruct00_var_1_5_Pointer))) > ((*(WrapperStruct00_var_1_6_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : ((*(WrapperStruct00_var_1_6_Pointer)))))))))))) : ((*(WrapperStruct00_var_1_13_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_5_Pointer)))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_6_Pointer)))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) 50))) && ((*(WrapperStruct00_var_1_8_Pointer)) == ((signed short int) (((((*(WrapperStruct00_var_1_9_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_9_Pointer))) : ((*(WrapperStruct00_var_1_9_Pointer))))))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L120] EXPR ((((*(WrapperStruct00_var_1_2_Pointer)) >= 64.5f) ? (((*(WrapperStruct00_var_1_2_Pointer)) >= (*(WrapperStruct00_var_1_3_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) ((((((((*(WrapperStruct00_var_1_4_Pointer))) > ((((((*(WrapperStruct00_var_1_5_Pointer))) > ((*(WrapperStruct00_var_1_6_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : ((*(WrapperStruct00_var_1_6_Pointer))))))) ? ((*(WrapperStruct00_var_1_4_Pointer))) : ((((((*(WrapperStruct00_var_1_5_Pointer))) > ((*(WrapperStruct00_var_1_6_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : ((*(WrapperStruct00_var_1_6_Pointer)))))))) < 0 ) ? -(((((*(WrapperStruct00_var_1_4_Pointer))) > ((((((*(WrapperStruct00_var_1_5_Pointer))) > ((*(WrapperStruct00_var_1_6_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : ((*(WrapperStruct00_var_1_6_Pointer))))))) ? ((*(WrapperStruct00_var_1_4_Pointer))) : ((((((*(WrapperStruct00_var_1_5_Pointer))) > ((*(WrapperStruct00_var_1_6_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : ((*(WrapperStruct00_var_1_6_Pointer)))))))) : (((((*(WrapperStruct00_var_1_4_Pointer))) > ((((((*(WrapperStruct00_var_1_5_Pointer))) > ((*(WrapperStruct00_var_1_6_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : ((*(WrapperStruct00_var_1_6_Pointer))))))) ? ((*(WrapperStruct00_var_1_4_Pointer))) : ((((((*(WrapperStruct00_var_1_5_Pointer))) > ((*(WrapperStruct00_var_1_6_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : ((*(WrapperStruct00_var_1_6_Pointer)))))))))))) : ((*(WrapperStruct00_var_1_13_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_5_Pointer)))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_6_Pointer)))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) 50))) && ((*(WrapperStruct00_var_1_8_Pointer)) == ((signed short int) (((((*(WrapperStruct00_var_1_9_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_9_Pointer))) : ((*(WrapperStruct00_var_1_9_Pointer)))))))) && (((50 >> (*(WrapperStruct00_var_1_4_Pointer))) <= (*(WrapperStruct00_var_1_8_Pointer))) ? ((*(WrapperStruct00_var_1_10_Pointer)) == ((unsigned char) ((! (! (*(WrapperStruct00_var_1_11_Pointer)))) || (*(WrapperStruct00_var_1_12_Pointer))))) : ((*(WrapperStruct00_var_1_10_Pointer)) == ((unsigned char) (! (*(WrapperStruct00_var_1_11_Pointer)))))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L120] EXPR (((((*(WrapperStruct00_var_1_2_Pointer)) >= 64.5f) ? (((*(WrapperStruct00_var_1_2_Pointer)) >= (*(WrapperStruct00_var_1_3_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) ((((((((*(WrapperStruct00_var_1_4_Pointer))) > ((((((*(WrapperStruct00_var_1_5_Pointer))) > ((*(WrapperStruct00_var_1_6_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : ((*(WrapperStruct00_var_1_6_Pointer))))))) ? ((*(WrapperStruct00_var_1_4_Pointer))) : ((((((*(WrapperStruct00_var_1_5_Pointer))) > ((*(WrapperStruct00_var_1_6_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : ((*(WrapperStruct00_var_1_6_Pointer)))))))) < 0 ) ? -(((((*(WrapperStruct00_var_1_4_Pointer))) > ((((((*(WrapperStruct00_var_1_5_Pointer))) > ((*(WrapperStruct00_var_1_6_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : ((*(WrapperStruct00_var_1_6_Pointer))))))) ? ((*(WrapperStruct00_var_1_4_Pointer))) : ((((((*(WrapperStruct00_var_1_5_Pointer))) > ((*(WrapperStruct00_var_1_6_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : ((*(WrapperStruct00_var_1_6_Pointer)))))))) : (((((*(WrapperStruct00_var_1_4_Pointer))) > ((((((*(WrapperStruct00_var_1_5_Pointer))) > ((*(WrapperStruct00_var_1_6_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : ((*(WrapperStruct00_var_1_6_Pointer))))))) ? ((*(WrapperStruct00_var_1_4_Pointer))) : ((((((*(WrapperStruct00_var_1_5_Pointer))) > ((*(WrapperStruct00_var_1_6_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : ((*(WrapperStruct00_var_1_6_Pointer)))))))))))) : ((*(WrapperStruct00_var_1_13_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_5_Pointer)))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_6_Pointer)))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) 50))) && ((*(WrapperStruct00_var_1_8_Pointer)) == ((signed short int) (((((*(WrapperStruct00_var_1_9_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_9_Pointer))) : ((*(WrapperStruct00_var_1_9_Pointer)))))))) && (((50 >> (*(WrapperStruct00_var_1_4_Pointer))) <= (*(WrapperStruct00_var_1_8_Pointer))) ? ((*(WrapperStruct00_var_1_10_Pointer)) == ((unsigned char) ((! (! (*(WrapperStruct00_var_1_11_Pointer)))) || (*(WrapperStruct00_var_1_12_Pointer))))) : ((*(WrapperStruct00_var_1_10_Pointer)) == ((unsigned char) (! (*(WrapperStruct00_var_1_11_Pointer))))))) && ((! (*(WrapperStruct00_var_1_12_Pointer))) ? (((*(WrapperStruct00_var_1_4_Pointer)) >= (((((*(WrapperStruct00_var_1_6_Pointer))) < ((*(WrapperStruct00_var_1_8_Pointer)))) ? ((*(WrapperStruct00_var_1_6_Pointer))) : ((*(WrapperStruct00_var_1_8_Pointer)))))) ? ((*(WrapperStruct00_var_1_13_Pointer)) == ((unsigned char) ((*(WrapperStruct00_var_1_10_Pointer)) && (*(WrapperStruct00_var_1_11_Pointer))))) : ((*(WrapperStruct00_var_1_13_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_11_Pointer))))) : 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L120-L121] return (((((*(WrapperStruct00_var_1_2_Pointer)) >= 64.5f) ? (((*(WrapperStruct00_var_1_2_Pointer)) >= (*(WrapperStruct00_var_1_3_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) ((((((((*(WrapperStruct00_var_1_4_Pointer))) > ((((((*(WrapperStruct00_var_1_5_Pointer))) > ((*(WrapperStruct00_var_1_6_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : ((*(WrapperStruct00_var_1_6_Pointer))))))) ? ((*(WrapperStruct00_var_1_4_Pointer))) : ((((((*(WrapperStruct00_var_1_5_Pointer))) > ((*(WrapperStruct00_var_1_6_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : ((*(WrapperStruct00_var_1_6_Pointer)))))))) < 0 ) ? -(((((*(WrapperStruct00_var_1_4_Pointer))) > ((((((*(WrapperStruct00_var_1_5_Pointer))) > ((*(WrapperStruct00_var_1_6_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : ((*(WrapperStruct00_var_1_6_Pointer))))))) ? ((*(WrapperStruct00_var_1_4_Pointer))) : ((((((*(WrapperStruct00_var_1_5_Pointer))) > ((*(WrapperStruct00_var_1_6_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : ((*(WrapperStruct00_var_1_6_Pointer)))))))) : (((((*(WrapperStruct00_var_1_4_Pointer))) > ((((((*(WrapperStruct00_var_1_5_Pointer))) > ((*(WrapperStruct00_var_1_6_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : ((*(WrapperStruct00_var_1_6_Pointer))))))) ? ((*(WrapperStruct00_var_1_4_Pointer))) : ((((((*(WrapperStruct00_var_1_5_Pointer))) > ((*(WrapperStruct00_var_1_6_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : ((*(WrapperStruct00_var_1_6_Pointer)))))))))))) : ((*(WrapperStruct00_var_1_13_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_5_Pointer)))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_6_Pointer)))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) 50))) && ((*(WrapperStruct00_var_1_8_Pointer)) == ((signed short int) (((((*(WrapperStruct00_var_1_9_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_9_Pointer))) : ((*(WrapperStruct00_var_1_9_Pointer)))))))) && (((50 >> (*(WrapperStruct00_var_1_4_Pointer))) <= (*(WrapperStruct00_var_1_8_Pointer))) ? ((*(WrapperStruct00_var_1_10_Pointer)) == ((unsigned char) ((! (! (*(WrapperStruct00_var_1_11_Pointer)))) || (*(WrapperStruct00_var_1_12_Pointer))))) : ((*(WrapperStruct00_var_1_10_Pointer)) == ((unsigned char) (! (*(WrapperStruct00_var_1_11_Pointer))))))) && ((! (*(WrapperStruct00_var_1_12_Pointer))) ? (((*(WrapperStruct00_var_1_4_Pointer)) >= (((((*(WrapperStruct00_var_1_6_Pointer))) < ((*(WrapperStruct00_var_1_8_Pointer)))) ? ((*(WrapperStruct00_var_1_6_Pointer))) : ((*(WrapperStruct00_var_1_8_Pointer)))))) ? ((*(WrapperStruct00_var_1_13_Pointer)) == ((unsigned char) ((*(WrapperStruct00_var_1_10_Pointer)) && (*(WrapperStruct00_var_1_11_Pointer))))) : ((*(WrapperStruct00_var_1_13_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_11_Pointer))))) : 1) ; [L130] RET, EXPR property() [L130] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:20}, WrapperStruct00_var_1_11_Pointer={4:21}, WrapperStruct00_var_1_12_Pointer={4:22}, WrapperStruct00_var_1_13_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:6}, WrapperStruct00_var_1_4_Pointer={4:10}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_6_Pointer={4:14}, WrapperStruct00_var_1_8_Pointer={4:16}, WrapperStruct00_var_1_9_Pointer={4:18}, isInitial=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 136 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 27.7s, OverallIterations: 6, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2414 SdHoareTripleChecker+Valid, 7.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2400 mSDsluCounter, 3422 SdHoareTripleChecker+Invalid, 6.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2735 mSDsCounter, 341 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4161 IncrementalHoareTripleChecker+Invalid, 4502 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 341 mSolverCounterUnsat, 687 mSDtfsCounter, 4161 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 382 GetRequests, 296 SyntacticMatches, 4 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=254occurred in iteration=5, InterpolantAutomatonStates: 49, 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, 5 MinimizatonAttempts, 284 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 13.9s InterpolantComputationTime, 837 NumberOfCodeBlocks, 837 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 710 ConstructedInterpolants, 0 QuantifiedInterpolants, 8495 SizeOfPredicates, 12 NumberOfNonLiveVariables, 489 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 2082/2184 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 [2024-11-08 17:12:17,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/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_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-49.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX --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 d884eeffd8b0023fc900bd81f692be364c6bc9fc89a5974af855cb50a9688a16 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:12:20,287 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:12:20,402 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 17:12:20,409 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:12:20,412 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:12:20,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:12:20,468 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:12:20,468 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:12:20,469 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:12:20,470 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:12:20,470 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:12:20,471 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:12:20,472 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:12:20,472 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:12:20,473 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:12:20,473 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:12:20,474 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:12:20,474 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:12:20,475 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:12:20,475 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:12:20,476 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:12:20,477 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:12:20,477 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:12:20,477 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 17:12:20,478 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 17:12:20,478 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:12:20,478 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 17:12:20,479 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:12:20,479 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:12:20,480 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:12:20,480 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:12:20,480 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:12:20,481 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:12:20,481 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:12:20,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:12:20,482 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:12:20,482 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:12:20,483 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:12:20,483 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 17:12:20,483 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 17:12:20,484 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:12:20,484 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:12:20,484 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:12:20,485 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:12:20,485 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_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d884eeffd8b0023fc900bd81f692be364c6bc9fc89a5974af855cb50a9688a16 [2024-11-08 17:12:20,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:12:20,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:12:20,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:12:20,965 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:12:20,966 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:12:20,968 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-49.i Unable to find full path for "g++" [2024-11-08 17:12:23,578 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:12:23,892 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:12:23,893 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-49.i [2024-11-08 17:12:23,917 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/data/0ebd75be8/a401b522cfa745dea24a70c6f0028f4a/FLAG77ae69942 [2024-11-08 17:12:23,937 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/data/0ebd75be8/a401b522cfa745dea24a70c6f0028f4a [2024-11-08 17:12:23,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:12:23,942 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:12:23,944 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:12:23,944 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:12:23,952 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:12:23,953 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:12:23" (1/1) ... [2024-11-08 17:12:23,954 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e714f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:23, skipping insertion in model container [2024-11-08 17:12:23,955 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:12:23" (1/1) ... [2024-11-08 17:12:23,997 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:12:24,244 WARN L250 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_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-49.i[917,930] [2024-11-08 17:12:24,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:12:24,441 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:12:24,465 WARN L250 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_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-49.i[917,930] [2024-11-08 17:12:24,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:12:24,566 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:12:24,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:24 WrapperNode [2024-11-08 17:12:24,567 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:12:24,568 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:12:24,568 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:12:24,569 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:12:24,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:24" (1/1) ... [2024-11-08 17:12:24,607 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:24" (1/1) ... [2024-11-08 17:12:24,682 INFO L138 Inliner]: procedures = 34, calls = 192, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 653 [2024-11-08 17:12:24,686 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:12:24,687 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:12:24,688 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:12:24,688 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:12:24,713 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:24" (1/1) ... [2024-11-08 17:12:24,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:24" (1/1) ... [2024-11-08 17:12:24,730 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:24" (1/1) ... [2024-11-08 17:12:24,784 INFO L175 MemorySlicer]: Split 167 memory accesses to 2 slices as follows [2, 165]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 30 writes are split as follows [0, 30]. [2024-11-08 17:12:24,788 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:24" (1/1) ... [2024-11-08 17:12:24,789 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:24" (1/1) ... [2024-11-08 17:12:24,825 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:24" (1/1) ... [2024-11-08 17:12:24,842 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:24" (1/1) ... [2024-11-08 17:12:24,849 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:24" (1/1) ... [2024-11-08 17:12:24,856 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:24" (1/1) ... [2024-11-08 17:12:24,870 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:12:24,871 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:12:24,875 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:12:24,875 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:12:24,876 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:24" (1/1) ... [2024-11-08 17:12:24,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:12:24,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:12:24,926 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:12:24,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:12:24,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:12:24,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-08 17:12:24,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-08 17:12:24,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 17:12:24,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-08 17:12:24,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-08 17:12:24,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-08 17:12:24,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-08 17:12:24,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-08 17:12:24,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-08 17:12:24,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-08 17:12:24,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-08 17:12:24,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-08 17:12:24,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-08 17:12:24,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-08 17:12:24,976 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:12:24,976 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:12:24,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-08 17:12:24,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-08 17:12:24,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:12:24,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:12:24,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-08 17:12:24,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-08 17:12:24,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-08 17:12:24,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-08 17:12:25,231 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:12:25,234 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:12:26,499 INFO L? ?]: Removed 212 outVars from TransFormulas that were not future-live. [2024-11-08 17:12:26,499 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:12:26,528 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:12:26,530 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:12:26,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:12:26 BoogieIcfgContainer [2024-11-08 17:12:26,531 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:12:26,534 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:12:26,534 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:12:26,538 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:12:26,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:12:23" (1/3) ... [2024-11-08 17:12:26,540 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19fe6d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:12:26, skipping insertion in model container [2024-11-08 17:12:26,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:24" (2/3) ... [2024-11-08 17:12:26,542 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19fe6d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:12:26, skipping insertion in model container [2024-11-08 17:12:26,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:12:26" (3/3) ... [2024-11-08 17:12:26,544 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-49.i [2024-11-08 17:12:26,564 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:12:26,564 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:12:26,642 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:12:26,650 INFO L333 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, 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;@3d7c7675, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:12:26,651 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:12:26,656 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 113 states have (on average 1.4778761061946903) internal successors, (167), 114 states have internal predecessors, (167), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 17:12:26,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-08 17:12:26,673 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:12:26,674 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:12:26,675 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:12:26,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:12:26,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1635791032, now seen corresponding path program 1 times [2024-11-08 17:12:26,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:12:26,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [710607695] [2024-11-08 17:12:26,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:12:26,701 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 [2024-11-08 17:12:26,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:12:26,715 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 17:12:26,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 17:12:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:27,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 17:12:27,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:12:27,260 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-11-08 17:12:27,260 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:12:27,261 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:12:27,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [710607695] [2024-11-08 17:12:27,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [710607695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:12:27,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:12:27,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:12:27,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570635542] [2024-11-08 17:12:27,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:12:27,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:12:27,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:12:27,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:12:27,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:12:27,306 INFO L87 Difference]: Start difference. First operand has 130 states, 113 states have (on average 1.4778761061946903) internal successors, (167), 114 states have internal predecessors, (167), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 17:12:27,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:12:27,351 INFO L93 Difference]: Finished difference Result 253 states and 398 transitions. [2024-11-08 17:12:27,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:12:27,354 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 115 [2024-11-08 17:12:27,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:12:27,365 INFO L225 Difference]: With dead ends: 253 [2024-11-08 17:12:27,365 INFO L226 Difference]: Without dead ends: 126 [2024-11-08 17:12:27,370 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:12:27,378 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:12:27,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:12:27,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-08 17:12:27,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2024-11-08 17:12:27,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 110 states have (on average 1.4545454545454546) internal successors, (160), 110 states have internal predecessors, (160), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 17:12:27,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 188 transitions. [2024-11-08 17:12:27,505 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 188 transitions. Word has length 115 [2024-11-08 17:12:27,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:12:27,506 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 188 transitions. [2024-11-08 17:12:27,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 17:12:27,511 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 188 transitions. [2024-11-08 17:12:27,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-08 17:12:27,519 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:12:27,519 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:12:27,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 17:12:27,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:12:27,721 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:12:27,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:12:27,722 INFO L85 PathProgramCache]: Analyzing trace with hash -656163232, now seen corresponding path program 1 times [2024-11-08 17:12:27,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:12:27,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [21270467] [2024-11-08 17:12:27,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:12:27,725 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 [2024-11-08 17:12:27,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:12:27,729 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 17:12:27,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 17:12:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:28,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 17:12:28,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:12:28,267 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-08 17:12:28,267 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:12:28,267 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:12:28,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [21270467] [2024-11-08 17:12:28,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [21270467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:12:28,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:12:28,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:12:28,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967749233] [2024-11-08 17:12:28,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:12:28,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:12:28,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:12:28,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:12:28,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:12:28,273 INFO L87 Difference]: Start difference. First operand 126 states and 188 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 17:12:28,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:12:28,346 INFO L93 Difference]: Finished difference Result 251 states and 376 transitions. [2024-11-08 17:12:28,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:12:28,347 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 115 [2024-11-08 17:12:28,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:12:28,348 INFO L225 Difference]: With dead ends: 251 [2024-11-08 17:12:28,349 INFO L226 Difference]: Without dead ends: 128 [2024-11-08 17:12:28,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:12:28,351 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 0 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:12:28,352 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 547 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:12:28,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-08 17:12:28,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2024-11-08 17:12:28,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 112 states have (on average 1.4464285714285714) internal successors, (162), 112 states have internal predecessors, (162), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 17:12:28,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 190 transitions. [2024-11-08 17:12:28,368 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 190 transitions. Word has length 115 [2024-11-08 17:12:28,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:12:28,370 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 190 transitions. [2024-11-08 17:12:28,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 17:12:28,371 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 190 transitions. [2024-11-08 17:12:28,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-08 17:12:28,374 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:12:28,374 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:12:28,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 17:12:28,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:12:28,575 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:12:28,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:12:28,576 INFO L85 PathProgramCache]: Analyzing trace with hash 650979166, now seen corresponding path program 1 times [2024-11-08 17:12:28,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:12:28,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1139771898] [2024-11-08 17:12:28,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:12:28,577 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 [2024-11-08 17:12:28,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:12:28,580 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 17:12:28,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 17:12:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:29,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 17:12:29,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:12:29,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-08 17:12:29,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2024-11-08 17:12:29,216 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 17:12:29,217 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:12:29,217 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:12:29,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1139771898] [2024-11-08 17:12:29,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1139771898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:12:29,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:12:29,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:12:29,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418333605] [2024-11-08 17:12:29,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:12:29,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:12:29,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:12:29,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:12:29,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:12:29,221 INFO L87 Difference]: Start difference. First operand 128 states and 190 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 17:12:30,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:12:30,268 INFO L93 Difference]: Finished difference Result 304 states and 452 transitions. [2024-11-08 17:12:30,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:12:30,269 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 115 [2024-11-08 17:12:30,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:12:30,272 INFO L225 Difference]: With dead ends: 304 [2024-11-08 17:12:30,272 INFO L226 Difference]: Without dead ends: 179 [2024-11-08 17:12:30,273 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:12:30,275 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 72 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:12:30,276 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 517 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 17:12:30,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-08 17:12:30,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 132. [2024-11-08 17:12:30,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 116 states have (on average 1.4396551724137931) internal successors, (167), 116 states have internal predecessors, (167), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 17:12:30,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 195 transitions. [2024-11-08 17:12:30,292 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 195 transitions. Word has length 115 [2024-11-08 17:12:30,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:12:30,293 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 195 transitions. [2024-11-08 17:12:30,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 17:12:30,293 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 195 transitions. [2024-11-08 17:12:30,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-08 17:12:30,296 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:12:30,296 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:12:30,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 17:12:30,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:12:30,500 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:12:30,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:12:30,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1319558055, now seen corresponding path program 1 times [2024-11-08 17:12:30,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:12:30,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [715115247] [2024-11-08 17:12:30,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:12:30,502 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 [2024-11-08 17:12:30,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:12:30,508 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 17:12:30,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 17:12:30,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:30,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 17:12:30,948 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:12:35,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 17:12:36,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2024-11-08 17:12:36,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 49 [2024-11-08 17:12:36,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 17:12:36,571 INFO L349 Elim1Store]: treesize reduction 48, result has 15.8 percent of original size [2024-11-08 17:12:36,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 49 treesize of output 82 [2024-11-08 17:12:36,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 29 [2024-11-08 17:12:36,842 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 17:12:36,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 36 [2024-11-08 17:12:36,914 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-08 17:12:36,914 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:12:46,926 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:12:46,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [715115247] [2024-11-08 17:12:46,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [715115247] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:12:46,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2094101312] [2024-11-08 17:12:46,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:12:46,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:12:46,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:12:46,930 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:12:46,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 17:12:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:47,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 17:12:47,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:12:50,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 17:12:51,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2024-11-08 17:12:51,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 49 [2024-11-08 17:12:51,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 17:12:51,561 INFO L349 Elim1Store]: treesize reduction 48, result has 15.8 percent of original size [2024-11-08 17:12:51,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 49 treesize of output 82 [2024-11-08 17:12:51,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2024-11-08 17:12:51,731 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 17:12:51,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 36 [2024-11-08 17:12:51,780 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-08 17:12:51,781 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:12:52,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2094101312] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:12:52,146 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 17:12:52,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2024-11-08 17:12:52,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690943817] [2024-11-08 17:12:52,146 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 17:12:52,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 17:12:52,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:12:52,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 17:12:52,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=193, Unknown=1, NotChecked=0, Total=240 [2024-11-08 17:12:52,149 INFO L87 Difference]: Start difference. First operand 132 states and 195 transitions. Second operand has 12 states, 11 states have (on average 5.0) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 17:12:57,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:12:57,510 INFO L93 Difference]: Finished difference Result 307 states and 450 transitions. [2024-11-08 17:12:57,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 17:12:57,511 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.0) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 117 [2024-11-08 17:12:57,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:12:57,513 INFO L225 Difference]: With dead ends: 307 [2024-11-08 17:12:57,513 INFO L226 Difference]: Without dead ends: 178 [2024-11-08 17:12:57,515 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 264 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=184, Invalid=571, Unknown=1, NotChecked=0, Total=756 [2024-11-08 17:12:57,516 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 393 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-08 17:12:57,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 658 Invalid, 899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-08 17:12:57,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-08 17:12:57,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 173. [2024-11-08 17:12:57,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 144 states have (on average 1.3888888888888888) internal successors, (200), 145 states have internal predecessors, (200), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-08 17:12:57,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 252 transitions. [2024-11-08 17:12:57,553 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 252 transitions. Word has length 117 [2024-11-08 17:12:57,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:12:57,555 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 252 transitions. [2024-11-08 17:12:57,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.0) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 17:12:57,555 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 252 transitions. [2024-11-08 17:12:57,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-08 17:12:57,558 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:12:57,558 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:12:57,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-08 17:12:57,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-08 17:12:57,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:12:57,963 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:12:57,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:12:57,964 INFO L85 PathProgramCache]: Analyzing trace with hash 671261555, now seen corresponding path program 1 times [2024-11-08 17:12:57,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:12:57,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [74547619] [2024-11-08 17:12:57,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:12:57,965 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 [2024-11-08 17:12:57,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:12:57,969 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 17:12:57,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 17:12:58,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:58,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 17:12:58,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:13:03,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 17:13:04,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2024-11-08 17:13:04,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 50 [2024-11-08 17:13:05,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 17:13:05,047 INFO L349 Elim1Store]: treesize reduction 48, result has 15.8 percent of original size [2024-11-08 17:13:05,048 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 50 treesize of output 83 [2024-11-08 17:13:05,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 17 [2024-11-08 17:13:05,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 55 [2024-11-08 17:13:05,739 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 17:13:05,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 73 treesize of output 55 [2024-11-08 17:13:05,913 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 17:13:05,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 38 [2024-11-08 17:13:06,034 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-08 17:13:06,035 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:13:27,218 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:13:27,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [74547619] [2024-11-08 17:13:27,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [74547619] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:13:27,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1483020114] [2024-11-08 17:13:27,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:13:27,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:13:27,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:13:27,221 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:13:27,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 17:13:27,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:27,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 17:13:27,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:13:35,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2024-11-08 17:13:35,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 50 [2024-11-08 17:13:35,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 17:13:35,604 INFO L349 Elim1Store]: treesize reduction 48, result has 15.8 percent of original size [2024-11-08 17:13:35,604 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 50 treesize of output 83 [2024-11-08 17:13:35,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2024-11-08 17:13:36,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 55 [2024-11-08 17:13:36,409 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 17:13:36,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 73 treesize of output 55 [2024-11-08 17:13:36,643 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 17:13:36,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 38 [2024-11-08 17:13:41,173 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 17:13:41,173 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:13:41,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1483020114] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:13:41,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:13:41,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 11 [2024-11-08 17:13:41,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628740186] [2024-11-08 17:13:41,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:13:41,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 17:13:41,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:13:41,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 17:13:41,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=269, Unknown=2, NotChecked=0, Total=342 [2024-11-08 17:13:41,177 INFO L87 Difference]: Start difference. First operand 173 states and 252 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 17:13:50,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:13:50,093 INFO L93 Difference]: Finished difference Result 385 states and 568 transitions. [2024-11-08 17:13:50,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 17:13:50,095 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 119 [2024-11-08 17:13:50,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:13:50,099 INFO L225 Difference]: With dead ends: 385 [2024-11-08 17:13:50,099 INFO L226 Difference]: Without dead ends: 256 [2024-11-08 17:13:50,100 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 242 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 29.2s TimeCoverageRelationStatistics Valid=118, Invalid=342, Unknown=2, NotChecked=0, Total=462 [2024-11-08 17:13:50,101 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 552 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 847 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:13:50,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [552 Valid, 470 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 847 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2024-11-08 17:13:50,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-08 17:13:50,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 232. [2024-11-08 17:13:50,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 203 states have (on average 1.438423645320197) internal successors, (292), 204 states have internal predecessors, (292), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-08 17:13:50,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 344 transitions. [2024-11-08 17:13:50,147 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 344 transitions. Word has length 119 [2024-11-08 17:13:50,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:13:50,148 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 344 transitions. [2024-11-08 17:13:50,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 17:13:50,149 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 344 transitions. [2024-11-08 17:13:50,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-08 17:13:50,151 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:13:50,152 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:13:50,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-08 17:13:50,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-08 17:13:50,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:13:50,557 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:13:50,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:13:50,558 INFO L85 PathProgramCache]: Analyzing trace with hash 278234545, now seen corresponding path program 1 times [2024-11-08 17:13:50,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:13:50,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [687499509] [2024-11-08 17:13:50,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:13:50,559 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 [2024-11-08 17:13:50,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:13:50,560 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 17:13:50,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-08 17:13:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:51,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-08 17:13:51,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:13:57,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 17:13:58,891 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 17:14:00,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 17:14:01,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-11-08 17:14:02,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 72 [2024-11-08 17:14:02,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 17:14:02,185 INFO L349 Elim1Store]: treesize reduction 48, result has 15.8 percent of original size [2024-11-08 17:14:02,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 65 treesize of output 94 [2024-11-08 17:14:02,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 37 [2024-11-08 17:14:03,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 81 [2024-11-08 17:14:03,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 81 [2024-11-08 17:14:04,507 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 17:14:04,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 117 treesize of output 69 [2024-11-08 17:14:05,122 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-08 17:14:05,123 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:14:15,248 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:14:15,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [687499509] [2024-11-08 17:14:15,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [687499509] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:14:15,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206698966] [2024-11-08 17:14:15,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:14:15,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:14:15,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:14:15,252 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:14:15,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-08 17:14:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:15,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-08 17:14:15,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:14:24,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-11-08 17:14:24,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 72 [2024-11-08 17:14:24,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 17:14:24,335 INFO L349 Elim1Store]: treesize reduction 48, result has 15.8 percent of original size [2024-11-08 17:14:24,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 65 treesize of output 94 [2024-11-08 17:14:24,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 50 [2024-11-08 17:14:26,247 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 75 [2024-11-08 17:14:26,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 75 [2024-11-08 17:14:28,293 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 17:14:28,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 117 treesize of output 69 [2024-11-08 17:14:28,914 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 17:14:28,914 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:14:28,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [206698966] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:14:28,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:14:28,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [13] total 19 [2024-11-08 17:14:28,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119872395] [2024-11-08 17:14:28,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:14:28,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 17:14:28,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:14:28,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 17:14:28,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=699, Unknown=0, NotChecked=0, Total=812 [2024-11-08 17:14:28,918 INFO L87 Difference]: Start difference. First operand 232 states and 344 transitions. Second operand has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 14 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 17:14:40,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:14:40,145 INFO L93 Difference]: Finished difference Result 577 states and 862 transitions. [2024-11-08 17:14:40,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 17:14:40,150 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 14 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 119 [2024-11-08 17:14:40,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:14:40,153 INFO L225 Difference]: With dead ends: 577 [2024-11-08 17:14:40,154 INFO L226 Difference]: Without dead ends: 389 [2024-11-08 17:14:40,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 234 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 16.2s TimeCoverageRelationStatistics Valid=231, Invalid=1029, Unknown=0, NotChecked=0, Total=1260 [2024-11-08 17:14:40,156 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 865 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 1255 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 865 SdHoareTripleChecker+Valid, 744 SdHoareTripleChecker+Invalid, 1282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2024-11-08 17:14:40,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [865 Valid, 744 Invalid, 1282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1255 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2024-11-08 17:14:40,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-11-08 17:14:40,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 290. [2024-11-08 17:14:40,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 261 states have (on average 1.4597701149425288) internal successors, (381), 262 states have internal predecessors, (381), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-08 17:14:40,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 433 transitions. [2024-11-08 17:14:40,204 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 433 transitions. Word has length 119 [2024-11-08 17:14:40,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:14:40,205 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 433 transitions. [2024-11-08 17:14:40,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 14 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 17:14:40,205 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 433 transitions. [2024-11-08 17:14:40,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-08 17:14:40,207 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:14:40,208 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:14:40,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2024-11-08 17:14:40,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-08 17:14:40,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:14:40,609 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:14:40,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:14:40,609 INFO L85 PathProgramCache]: Analyzing trace with hash -863622900, now seen corresponding path program 1 times [2024-11-08 17:14:40,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:14:40,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [242367242] [2024-11-08 17:14:40,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:14:40,610 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 [2024-11-08 17:14:40,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:14:40,612 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 17:14:40,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-08 17:14:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:41,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 17:14:41,084 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:14:45,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-08 17:14:47,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-08 17:14:48,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-11-08 17:14:48,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 48 [2024-11-08 17:14:48,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 17:14:48,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 72 [2024-11-08 17:14:48,882 INFO L349 Elim1Store]: treesize reduction 46, result has 39.5 percent of original size [2024-11-08 17:14:48,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 43 treesize of output 52 [2024-11-08 17:14:49,248 INFO L349 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2024-11-08 17:14:49,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 48 [2024-11-08 17:14:49,373 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 83 proven. 96 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2024-11-08 17:14:49,374 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:14:50,515 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:14:50,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [242367242] [2024-11-08 17:14:50,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [242367242] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:14:50,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1256061276] [2024-11-08 17:14:50,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:14:50,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:14:50,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:14:50,519 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:14:50,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-08 17:14:50,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:50,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 17:14:50,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:14:55,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-08 17:14:56,442 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-08 17:14:57,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-11-08 17:14:57,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 48 [2024-11-08 17:14:57,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 17:14:57,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 72 [2024-11-08 17:14:58,212 INFO L349 Elim1Store]: treesize reduction 46, result has 39.5 percent of original size [2024-11-08 17:14:58,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 43 treesize of output 52 [2024-11-08 17:14:58,567 INFO L349 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2024-11-08 17:14:58,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 48 [2024-11-08 17:14:58,625 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 83 proven. 96 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2024-11-08 17:14:58,625 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:14:59,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1256061276] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:14:59,052 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 17:14:59,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2024-11-08 17:14:59,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390246259] [2024-11-08 17:14:59,052 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 17:14:59,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 17:14:59,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:14:59,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 17:14:59,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2024-11-08 17:14:59,055 INFO L87 Difference]: Start difference. First operand 290 states and 433 transitions. Second operand has 14 states, 13 states have (on average 4.846153846153846) internal successors, (63), 12 states have internal predecessors, (63), 4 states have call successors, (14), 3 states have call predecessors, (14), 4 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-08 17:15:10,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:15:10,458 INFO L93 Difference]: Finished difference Result 793 states and 1193 transitions. [2024-11-08 17:15:10,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 17:15:10,459 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.846153846153846) internal successors, (63), 12 states have internal predecessors, (63), 4 states have call successors, (14), 3 states have call predecessors, (14), 4 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 119 [2024-11-08 17:15:10,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:15:10,463 INFO L225 Difference]: With dead ends: 793 [2024-11-08 17:15:10,464 INFO L226 Difference]: Without dead ends: 547 [2024-11-08 17:15:10,468 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 268 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=202, Invalid=668, Unknown=0, NotChecked=0, Total=870 [2024-11-08 17:15:10,469 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 739 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 1327 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 752 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 1445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 1327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:15:10,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [752 Valid, 691 Invalid, 1445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 1327 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2024-11-08 17:15:10,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2024-11-08 17:15:10,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 444. [2024-11-08 17:15:10,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 402 states have (on average 1.4577114427860696) internal successors, (586), 404 states have internal predecessors, (586), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-08 17:15:10,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 658 transitions. [2024-11-08 17:15:10,539 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 658 transitions. Word has length 119 [2024-11-08 17:15:10,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:15:10,540 INFO L471 AbstractCegarLoop]: Abstraction has 444 states and 658 transitions. [2024-11-08 17:15:10,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.846153846153846) internal successors, (63), 12 states have internal predecessors, (63), 4 states have call successors, (14), 3 states have call predecessors, (14), 4 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-08 17:15:10,540 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 658 transitions. [2024-11-08 17:15:10,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-08 17:15:10,542 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:15:10,543 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:15:10,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-08 17:15:10,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-08 17:15:10,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:15:10,947 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:15:10,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:15:10,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1450428914, now seen corresponding path program 1 times [2024-11-08 17:15:10,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:15:10,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1451347145] [2024-11-08 17:15:10,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:15:10,948 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 [2024-11-08 17:15:10,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:15:10,950 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 17:15:10,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-08 17:15:11,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:15:11,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-08 17:15:11,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:15:13,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 17:15:15,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 40 [2024-11-08 17:15:17,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 43 [2024-11-08 17:15:19,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 51 [2024-11-08 17:15:21,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 54 [2024-11-08 17:15:23,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 54 [2024-11-08 17:15:25,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 62 [2024-11-08 17:15:27,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 74 [2024-11-08 17:15:27,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 96 [2024-11-08 17:15:27,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 17:15:27,843 INFO L349 Elim1Store]: treesize reduction 72, result has 11.1 percent of original size [2024-11-08 17:15:27,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 96 treesize of output 143 [2024-11-08 17:15:28,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 58 [2024-11-08 17:15:28,900 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 17:15:28,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 197 treesize of output 136 [2024-11-08 17:15:29,918 INFO L349 Elim1Store]: treesize reduction 18, result has 75.3 percent of original size [2024-11-08 17:15:29,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 247 treesize of output 177 [2024-11-08 17:15:30,109 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 180 proven. 96 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-08 17:15:30,109 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:16:00,161 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:16:00,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1451347145] [2024-11-08 17:16:00,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1451347145] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:16:00,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [488032640] [2024-11-08 17:16:00,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:16:00,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:16:00,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:16:00,163 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:16:00,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-08 17:16:00,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:00,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-08 17:16:00,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:16:02,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 17:16:04,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 40 [2024-11-08 17:16:06,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 51 [2024-11-08 17:16:09,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 54 [2024-11-08 17:16:12,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 62 [2024-11-08 17:16:15,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 65 [2024-11-08 17:16:17,823 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 65 [2024-11-08 17:16:21,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 74 [2024-11-08 17:16:21,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 96 [2024-11-08 17:16:21,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 17:16:22,045 INFO L349 Elim1Store]: treesize reduction 72, result has 11.1 percent of original size [2024-11-08 17:16:22,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 96 treesize of output 143 [2024-11-08 17:16:22,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 81 [2024-11-08 17:16:24,105 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 17:16:24,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 197 treesize of output 136 [2024-11-08 17:16:26,284 INFO L349 Elim1Store]: treesize reduction 18, result has 75.3 percent of original size [2024-11-08 17:16:26,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 247 treesize of output 177 [2024-11-08 17:16:26,523 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 212 proven. 96 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-08 17:16:26,523 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:16:31,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [488032640] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:16:31,471 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 17:16:31,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 21 [2024-11-08 17:16:31,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151297614] [2024-11-08 17:16:31,471 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 17:16:31,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-08 17:16:31,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:16:31,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-08 17:16:31,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=629, Unknown=6, NotChecked=0, Total=756 [2024-11-08 17:16:31,473 INFO L87 Difference]: Start difference. First operand 444 states and 658 transitions. Second operand has 22 states, 22 states have (on average 4.2727272727272725) internal successors, (94), 21 states have internal predecessors, (94), 8 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) [2024-11-08 17:17:01,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:17:01,433 INFO L93 Difference]: Finished difference Result 1071 states and 1558 transitions. [2024-11-08 17:17:01,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 17:17:01,434 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.2727272727272725) internal successors, (94), 21 states have internal predecessors, (94), 8 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) Word has length 119 [2024-11-08 17:17:01,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:17:01,439 INFO L225 Difference]: With dead ends: 1071 [2024-11-08 17:17:01,439 INFO L226 Difference]: Without dead ends: 675 [2024-11-08 17:17:01,441 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 259 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 47.7s TimeCoverageRelationStatistics Valid=269, Invalid=985, Unknown=6, NotChecked=0, Total=1260 [2024-11-08 17:17:01,442 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 513 mSDsluCounter, 1041 mSDsCounter, 0 mSdLazyCounter, 2152 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 1168 SdHoareTripleChecker+Invalid, 2204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 2152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.5s IncrementalHoareTripleChecker+Time [2024-11-08 17:17:01,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [513 Valid, 1168 Invalid, 2204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 2152 Invalid, 0 Unknown, 0 Unchecked, 21.5s Time] [2024-11-08 17:17:01,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2024-11-08 17:17:01,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 613. [2024-11-08 17:17:01,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 521 states have (on average 1.3857965451055663) internal successors, (722), 525 states have internal predecessors, (722), 69 states have call successors, (69), 22 states have call predecessors, (69), 22 states have return successors, (69), 65 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-08 17:17:01,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 860 transitions. [2024-11-08 17:17:01,608 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 860 transitions. Word has length 119 [2024-11-08 17:17:01,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:17:01,608 INFO L471 AbstractCegarLoop]: Abstraction has 613 states and 860 transitions. [2024-11-08 17:17:01,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.2727272727272725) internal successors, (94), 21 states have internal predecessors, (94), 8 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) [2024-11-08 17:17:01,609 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 860 transitions. [2024-11-08 17:17:01,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-08 17:17:01,612 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:17:01,612 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:17:01,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-08 17:17:01,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-11-08 17:17:02,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:17:02,013 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:17:02,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:17:02,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1715910161, now seen corresponding path program 1 times [2024-11-08 17:17:02,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:17:02,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [433808752] [2024-11-08 17:17:02,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:17:02,014 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 [2024-11-08 17:17:02,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:17:02,016 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 17:17:02,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-11-08 17:17:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:17:02,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-08 17:17:02,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:17:10,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-08 17:17:12,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-08 17:17:14,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 31 [2024-11-08 17:17:17,834 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 51 [2024-11-08 17:17:18,287 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 90 [2024-11-08 17:17:18,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 17:17:18,461 INFO L349 Elim1Store]: treesize reduction 64, result has 12.3 percent of original size [2024-11-08 17:17:18,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 83 treesize of output 126 [2024-11-08 17:17:18,558 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 59 [2024-11-08 17:17:20,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 115 [2024-11-08 17:17:21,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 115 [2024-11-08 17:17:22,870 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 17:17:22,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 161 treesize of output 89 [2024-11-08 17:17:23,616 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 144 proven. 96 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-08 17:17:23,617 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:17:38,908 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:17:38,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [433808752] [2024-11-08 17:17:38,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [433808752] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:17:38,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604145819] [2024-11-08 17:17:38,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:17:38,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:17:38,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:17:38,910 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:17:38,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-08 17:17:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:17:39,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-08 17:17:39,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:17:55,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-11-08 17:17:56,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 72 [2024-11-08 17:17:56,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 17:17:56,279 INFO L349 Elim1Store]: treesize reduction 48, result has 15.8 percent of original size [2024-11-08 17:17:56,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 65 treesize of output 94 [2024-11-08 17:17:56,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 15 [2024-11-08 17:17:58,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 84 [2024-11-08 17:17:59,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 72 [2024-11-08 17:18:02,175 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 17:18:02,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 114 treesize of output 66 [2024-11-08 17:18:03,216 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 17:18:03,217 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:18:03,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604145819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:18:03,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:18:03,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [15] total 25 [2024-11-08 17:18:03,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83013002] [2024-11-08 17:18:03,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:18:03,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 17:18:03,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:18:03,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 17:18:03,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=1043, Unknown=0, NotChecked=0, Total=1190 [2024-11-08 17:18:03,219 INFO L87 Difference]: Start difference. First operand 613 states and 860 transitions. Second operand has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 13 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 17:18:20,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:18:20,388 INFO L93 Difference]: Finished difference Result 1380 states and 1973 transitions. [2024-11-08 17:18:20,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 17:18:20,389 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 13 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 119 [2024-11-08 17:18:20,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:18:20,397 INFO L225 Difference]: With dead ends: 1380 [2024-11-08 17:18:20,398 INFO L226 Difference]: Without dead ends: 860 [2024-11-08 17:18:20,399 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 469 ImplicationChecksByTransitivity, 31.1s TimeCoverageRelationStatistics Valid=245, Invalid=1477, Unknown=0, NotChecked=0, Total=1722 [2024-11-08 17:18:20,403 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 520 mSDsluCounter, 1012 mSDsCounter, 0 mSdLazyCounter, 1976 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 520 SdHoareTripleChecker+Valid, 1165 SdHoareTripleChecker+Invalid, 1987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:18:20,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [520 Valid, 1165 Invalid, 1987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1976 Invalid, 0 Unknown, 0 Unchecked, 13.3s Time] [2024-11-08 17:18:20,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2024-11-08 17:18:20,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 610. [2024-11-08 17:18:20,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 610 states, 518 states have (on average 1.386100386100386) internal successors, (718), 522 states have internal predecessors, (718), 69 states have call successors, (69), 22 states have call predecessors, (69), 22 states have return successors, (69), 65 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-08 17:18:20,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 856 transitions. [2024-11-08 17:18:20,565 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 856 transitions. Word has length 119 [2024-11-08 17:18:20,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:18:20,566 INFO L471 AbstractCegarLoop]: Abstraction has 610 states and 856 transitions. [2024-11-08 17:18:20,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 13 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 17:18:20,566 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 856 transitions. [2024-11-08 17:18:20,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-08 17:18:20,568 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:18:20,568 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:18:20,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-08 17:18:20,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2024-11-08 17:18:20,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:18:20,976 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:18:20,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:18:20,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1818267407, now seen corresponding path program 1 times [2024-11-08 17:18:20,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:18:20,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [669053303] [2024-11-08 17:18:20,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:18:20,978 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 [2024-11-08 17:18:20,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:18:20,979 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 17:18:20,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-11-08 17:18:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:18:21,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-08 17:18:21,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:18:29,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 17:18:30,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 17:18:32,025 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-08 17:18:34,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 36 [2024-11-08 17:18:34,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 78 [2024-11-08 17:18:34,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 17:18:34,849 INFO L349 Elim1Store]: treesize reduction 56, result has 13.8 percent of original size [2024-11-08 17:18:34,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 71 treesize of output 108 [2024-11-08 17:18:35,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 52 [2024-11-08 17:18:36,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 88 [2024-11-08 17:18:37,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 88 [2024-11-08 17:18:38,659 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 17:18:38,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 122 treesize of output 70 [2024-11-08 17:18:39,312 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-08 17:18:39,312 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:18:57,185 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:18:57,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [669053303] [2024-11-08 17:18:57,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [669053303] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:18:57,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38212467] [2024-11-08 17:18:57,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:18:57,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:18:57,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:18:57,187 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:18:57,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-08 17:18:57,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:18:57,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-08 17:18:57,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:19:11,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-11-08 17:19:12,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 72 [2024-11-08 17:19:12,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 17:19:12,428 INFO L349 Elim1Store]: treesize reduction 48, result has 15.8 percent of original size [2024-11-08 17:19:12,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 65 treesize of output 94 [2024-11-08 17:19:12,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-11-08 17:19:15,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 83 [2024-11-08 17:19:16,431 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 83 [2024-11-08 17:19:18,977 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 17:19:18,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 125 treesize of output 77 [2024-11-08 17:19:19,386 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 17:19:19,386 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:19:19,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [38212467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:19:19,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:19:19,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [15] total 25 [2024-11-08 17:19:19,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787376679] [2024-11-08 17:19:19,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:19:19,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 17:19:19,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:19:19,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 17:19:19,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=1151, Unknown=0, NotChecked=0, Total=1332 [2024-11-08 17:19:19,389 INFO L87 Difference]: Start difference. First operand 610 states and 856 transitions. Second operand has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 14 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 17:19:40,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:19:40,027 INFO L93 Difference]: Finished difference Result 1391 states and 1996 transitions. [2024-11-08 17:19:40,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 17:19:40,028 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 14 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 119 [2024-11-08 17:19:40,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:19:40,033 INFO L225 Difference]: With dead ends: 1391 [2024-11-08 17:19:40,034 INFO L226 Difference]: Without dead ends: 874 [2024-11-08 17:19:40,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 226 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 547 ImplicationChecksByTransitivity, 31.8s TimeCoverageRelationStatistics Valid=297, Invalid=1595, Unknown=0, NotChecked=0, Total=1892 [2024-11-08 17:19:40,037 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 360 mSDsluCounter, 1167 mSDsCounter, 0 mSdLazyCounter, 2144 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 1353 SdHoareTripleChecker+Invalid, 2157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2024-11-08 17:19:40,038 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 1353 Invalid, 2157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 2144 Invalid, 0 Unknown, 0 Unchecked, 16.7s Time] [2024-11-08 17:19:40,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2024-11-08 17:19:40,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 698. [2024-11-08 17:19:40,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 698 states, 606 states have (on average 1.4108910891089108) internal successors, (855), 610 states have internal predecessors, (855), 69 states have call successors, (69), 22 states have call predecessors, (69), 22 states have return successors, (69), 65 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-08 17:19:40,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 993 transitions. [2024-11-08 17:19:40,195 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 993 transitions. Word has length 119 [2024-11-08 17:19:40,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:19:40,196 INFO L471 AbstractCegarLoop]: Abstraction has 698 states and 993 transitions. [2024-11-08 17:19:40,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 14 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 17:19:40,196 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 993 transitions. [2024-11-08 17:19:40,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-08 17:19:40,199 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:19:40,199 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:19:40,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2024-11-08 17:19:40,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-08 17:19:40,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:19:40,600 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:19:40,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:19:40,600 INFO L85 PathProgramCache]: Analyzing trace with hash 482555183, now seen corresponding path program 1 times [2024-11-08 17:19:40,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:19:40,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [509061392] [2024-11-08 17:19:40,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:19:40,601 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:19:40,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:19:40,602 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 17:19:40,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2024-11-08 17:19:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:19:41,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-08 17:19:41,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:19:49,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 17:19:50,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 17:19:52,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 17:19:54,841 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-11-08 17:19:55,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 72 [2024-11-08 17:19:55,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 17:19:55,375 INFO L349 Elim1Store]: treesize reduction 48, result has 15.8 percent of original size [2024-11-08 17:19:55,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 65 treesize of output 94 [2024-11-08 17:19:55,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 37 [2024-11-08 17:19:56,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 89 [2024-11-08 17:19:57,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 79 [2024-11-08 17:19:58,447 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 17:19:58,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 112 treesize of output 68 [2024-11-08 17:19:59,086 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-08 17:19:59,086 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:20:15,694 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:20:15,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [509061392] [2024-11-08 17:20:15,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [509061392] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:20:15,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348317443] [2024-11-08 17:20:15,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:20:15,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:20:15,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:20:15,696 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:20:15,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-08 17:20:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:16,004 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-08 17:20:16,009 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:20:27,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-11-08 17:20:27,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 72 [2024-11-08 17:20:27,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 17:20:27,491 INFO L349 Elim1Store]: treesize reduction 48, result has 15.8 percent of original size [2024-11-08 17:20:27,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 65 treesize of output 94 [2024-11-08 17:20:27,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 17:20:27,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 34 [2024-11-08 17:20:28,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 89 [2024-11-08 17:20:29,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 79 [2024-11-08 17:20:30,582 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 17:20:30,582 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 121 treesize of output 73 [2024-11-08 17:20:30,990 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 17:20:30,991 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:20:30,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1348317443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:20:30,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:20:30,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [14] total 15 [2024-11-08 17:20:30,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555649885] [2024-11-08 17:20:30,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:20:30,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 17:20:30,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:20:30,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 17:20:30,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=563, Unknown=0, NotChecked=0, Total=650 [2024-11-08 17:20:30,993 INFO L87 Difference]: Start difference. First operand 698 states and 993 transitions. Second operand has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 13 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 17:20:51,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:20:51,706 INFO L93 Difference]: Finished difference Result 1556 states and 2249 transitions. [2024-11-08 17:20:51,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 17:20:51,707 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 13 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 119 [2024-11-08 17:20:51,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:20:51,711 INFO L225 Difference]: With dead ends: 1556 [2024-11-08 17:20:51,711 INFO L226 Difference]: Without dead ends: 951 [2024-11-08 17:20:51,713 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 235 SyntacticMatches, 3 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 22.4s TimeCoverageRelationStatistics Valid=192, Invalid=864, Unknown=0, NotChecked=0, Total=1056 [2024-11-08 17:20:51,713 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 431 mSDsluCounter, 1313 mSDsCounter, 0 mSdLazyCounter, 2436 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 1535 SdHoareTripleChecker+Invalid, 2448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2024-11-08 17:20:51,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 1535 Invalid, 2448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 2436 Invalid, 0 Unknown, 0 Unchecked, 16.9s Time] [2024-11-08 17:20:51,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2024-11-08 17:20:51,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 695. [2024-11-08 17:20:51,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 603 states have (on average 1.4112769485903813) internal successors, (851), 607 states have internal predecessors, (851), 69 states have call successors, (69), 22 states have call predecessors, (69), 22 states have return successors, (69), 65 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-08 17:20:51,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 989 transitions. [2024-11-08 17:20:51,829 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 989 transitions. Word has length 119 [2024-11-08 17:20:51,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:20:51,829 INFO L471 AbstractCegarLoop]: Abstraction has 695 states and 989 transitions. [2024-11-08 17:20:51,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 13 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 17:20:51,830 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 989 transitions. [2024-11-08 17:20:51,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-08 17:20:51,832 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:20:51,832 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:20:51,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2024-11-08 17:20:52,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-08 17:20:52,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:20:52,233 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:20:52,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:20:52,234 INFO L85 PathProgramCache]: Analyzing trace with hash -2051890954, now seen corresponding path program 1 times [2024-11-08 17:20:52,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:20:52,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1118279643] [2024-11-08 17:20:52,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:20:52,235 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 [2024-11-08 17:20:52,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:20:52,236 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 17:20:52,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2024-11-08 17:20:52,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:52,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 17:20:52,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:20:53,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 43 [2024-11-08 17:20:53,248 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 96 proven. 4 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 17:20:53,248 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:20:53,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 25 [2024-11-08 17:20:53,870 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-08 17:20:53,870 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:20:53,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1118279643] [2024-11-08 17:20:53,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1118279643] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:20:53,871 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 17:20:53,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2024-11-08 17:20:53,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245979717] [2024-11-08 17:20:53,871 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 17:20:53,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 17:20:53,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:20:53,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 17:20:53,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:20:53,874 INFO L87 Difference]: Start difference. First operand 695 states and 989 transitions. Second operand has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 12 states have internal predecessors, (78), 4 states have call successors, (27), 3 states have call predecessors, (27), 4 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2024-11-08 17:20:57,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:20:57,168 INFO L93 Difference]: Finished difference Result 1386 states and 1967 transitions. [2024-11-08 17:20:57,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 17:20:57,170 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 12 states have internal predecessors, (78), 4 states have call successors, (27), 3 states have call predecessors, (27), 4 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) Word has length 121 [2024-11-08 17:20:57,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:20:57,176 INFO L225 Difference]: With dead ends: 1386 [2024-11-08 17:20:57,177 INFO L226 Difference]: Without dead ends: 723 [2024-11-08 17:20:57,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2024-11-08 17:20:57,179 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 182 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-08 17:20:57,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 718 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-08 17:20:57,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2024-11-08 17:20:57,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 689. [2024-11-08 17:20:57,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 689 states, 597 states have (on average 1.4053601340033501) internal successors, (839), 601 states have internal predecessors, (839), 69 states have call successors, (69), 22 states have call predecessors, (69), 22 states have return successors, (69), 65 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-08 17:20:57,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 977 transitions. [2024-11-08 17:20:57,331 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 977 transitions. Word has length 121 [2024-11-08 17:20:57,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:20:57,331 INFO L471 AbstractCegarLoop]: Abstraction has 689 states and 977 transitions. [2024-11-08 17:20:57,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 12 states have internal predecessors, (78), 4 states have call successors, (27), 3 states have call predecessors, (27), 4 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2024-11-08 17:20:57,332 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 977 transitions. [2024-11-08 17:20:57,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-08 17:20:57,334 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:20:57,334 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:20:57,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Ended with exit code 0 [2024-11-08 17:20:57,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:20:57,535 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:20:57,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:20:57,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1442109068, now seen corresponding path program 1 times [2024-11-08 17:20:57,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:20:57,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [209515071] [2024-11-08 17:20:57,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:20:57,537 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 [2024-11-08 17:20:57,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:20:57,543 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 17:20:57,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2024-11-08 17:20:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:58,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 17:20:58,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:21:01,304 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-08 17:21:02,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-11-08 17:21:03,655 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 17:21:03,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2024-11-08 17:21:03,837 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 17:21:03,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 29 [2024-11-08 17:21:03,911 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 83 proven. 96 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2024-11-08 17:21:03,911 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:21:04,213 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:21:04,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [209515071] [2024-11-08 17:21:04,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [209515071] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:21:04,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818991240] [2024-11-08 17:21:04,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:21:04,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:21:04,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:21:04,216 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:21:04,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-08 17:21:04,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:04,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 17:21:04,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:21:07,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 17:21:09,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-08 17:21:09,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2024-11-08 17:21:09,967 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 17:21:09,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 26 [2024-11-08 17:21:09,984 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 33 proven. 96 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-08 17:21:09,984 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:21:10,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1818991240] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:21:10,133 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 17:21:10,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 16 [2024-11-08 17:21:10,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397184282] [2024-11-08 17:21:10,134 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 17:21:10,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 17:21:10,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:21:10,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 17:21:10,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2024-11-08 17:21:10,136 INFO L87 Difference]: Start difference. First operand 689 states and 977 transitions. Second operand has 17 states, 15 states have (on average 5.2) internal successors, (78), 14 states have internal predecessors, (78), 6 states have call successors, (18), 4 states have call predecessors, (18), 6 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2024-11-08 17:21:23,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:21:23,590 INFO L93 Difference]: Finished difference Result 1325 states and 1881 transitions. [2024-11-08 17:21:23,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-08 17:21:23,591 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 5.2) internal successors, (78), 14 states have internal predecessors, (78), 6 states have call successors, (18), 4 states have call predecessors, (18), 6 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) Word has length 121 [2024-11-08 17:21:23,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:21:23,594 INFO L225 Difference]: With dead ends: 1325 [2024-11-08 17:21:23,594 INFO L226 Difference]: Without dead ends: 727 [2024-11-08 17:21:23,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=234, Invalid=696, Unknown=0, NotChecked=0, Total=930 [2024-11-08 17:21:23,596 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 467 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 1493 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 1635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 1493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2024-11-08 17:21:23,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 589 Invalid, 1635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 1493 Invalid, 0 Unknown, 0 Unchecked, 10.9s Time] [2024-11-08 17:21:23,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2024-11-08 17:21:23,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 689. [2024-11-08 17:21:23,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 689 states, 597 states have (on average 1.3986599664991626) internal successors, (835), 601 states have internal predecessors, (835), 69 states have call successors, (69), 22 states have call predecessors, (69), 22 states have return successors, (69), 65 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-08 17:21:23,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 973 transitions. [2024-11-08 17:21:23,749 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 973 transitions. Word has length 121 [2024-11-08 17:21:23,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:21:23,749 INFO L471 AbstractCegarLoop]: Abstraction has 689 states and 973 transitions. [2024-11-08 17:21:23,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 5.2) internal successors, (78), 14 states have internal predecessors, (78), 6 states have call successors, (18), 4 states have call predecessors, (18), 6 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2024-11-08 17:21:23,750 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 973 transitions. [2024-11-08 17:21:23,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-08 17:21:23,752 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:21:23,752 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:21:23,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2024-11-08 17:21:23,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-08 17:21:24,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:21:24,153 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:21:24,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:21:24,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1660963786, now seen corresponding path program 1 times [2024-11-08 17:21:24,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:21:24,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1750193516] [2024-11-08 17:21:24,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:21:24,154 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 [2024-11-08 17:21:24,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:21:24,156 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 17:21:24,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2024-11-08 17:21:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:24,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-08 17:21:24,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:21:31,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 17:21:33,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 17:21:34,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-08 17:21:37,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 36 [2024-11-08 17:21:37,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 57 [2024-11-08 17:21:37,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 17:21:37,603 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 84 [2024-11-08 17:21:37,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 4 [2024-11-08 17:21:38,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 74 [2024-11-08 17:21:39,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 74 [2024-11-08 17:21:40,052 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 17:21:40,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 103 treesize of output 55 [2024-11-08 17:21:40,433 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-08 17:21:40,433 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:22:10,738 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:22:10,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1750193516] [2024-11-08 17:22:10,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1750193516] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:22:10,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [183435976] [2024-11-08 17:22:10,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:22:10,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:22:10,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:22:10,740 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:22:10,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-08 17:22:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:22:11,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-08 17:22:11,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:22:20,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2024-11-08 17:22:21,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2024-11-08 17:22:21,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 17:22:21,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 64 [2024-11-08 17:22:21,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-11-08 17:22:23,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 53 [2024-11-08 17:22:24,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 53 [2024-11-08 17:22:26,283 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 17:22:26,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 87 treesize of output 47 [2024-11-08 17:22:26,796 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 17:22:26,796 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:22:26,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [183435976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:22:26,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:22:26,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 23 [2024-11-08 17:22:26,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501968395] [2024-11-08 17:22:26,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:22:26,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 17:22:26,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:22:26,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 17:22:26,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=913, Unknown=4, NotChecked=0, Total=1056 [2024-11-08 17:22:26,799 INFO L87 Difference]: Start difference. First operand 689 states and 973 transitions. Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 17:22:40,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:22:40,596 INFO L93 Difference]: Finished difference Result 1551 states and 2223 transitions. [2024-11-08 17:22:40,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 17:22:40,597 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 121 [2024-11-08 17:22:40,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:22:40,600 INFO L225 Difference]: With dead ends: 1551 [2024-11-08 17:22:40,600 INFO L226 Difference]: Without dead ends: 953 [2024-11-08 17:22:40,601 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 38.9s TimeCoverageRelationStatistics Valid=249, Invalid=1307, Unknown=4, NotChecked=0, Total=1560 [2024-11-08 17:22:40,602 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 702 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 1327 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 808 SdHoareTripleChecker+Invalid, 1365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:22:40,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [702 Valid, 808 Invalid, 1365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1327 Invalid, 0 Unknown, 0 Unchecked, 11.1s Time] [2024-11-08 17:22:40,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2024-11-08 17:22:40,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 690. [2024-11-08 17:22:40,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 690 states, 598 states have (on average 1.399665551839465) internal successors, (837), 602 states have internal predecessors, (837), 69 states have call successors, (69), 22 states have call predecessors, (69), 22 states have return successors, (69), 65 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-08 17:22:40,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 975 transitions. [2024-11-08 17:22:40,762 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 975 transitions. Word has length 121 [2024-11-08 17:22:40,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:22:40,762 INFO L471 AbstractCegarLoop]: Abstraction has 690 states and 975 transitions. [2024-11-08 17:22:40,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 17:22:40,763 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 975 transitions. [2024-11-08 17:22:40,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-08 17:22:40,765 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:22:40,765 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:22:40,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Ended with exit code 0 [2024-11-08 17:22:40,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-08 17:22:41,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:22:41,166 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:22:41,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:22:41,167 INFO L85 PathProgramCache]: Analyzing trace with hash -333180920, now seen corresponding path program 1 times [2024-11-08 17:22:41,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:22:41,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1626730999] [2024-11-08 17:22:41,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:22:41,168 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 [2024-11-08 17:22:41,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:22:41,169 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 17:22:41,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2024-11-08 17:22:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:22:41,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-08 17:22:41,804 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:22:49,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-08 17:22:50,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-08 17:22:52,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 31 [2024-11-08 17:22:55,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 51 [2024-11-08 17:22:55,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 69 [2024-11-08 17:22:55,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 17:22:55,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 102 [2024-11-08 17:22:56,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 45 [2024-11-08 17:22:57,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 101 [2024-11-08 17:22:58,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 101 [2024-11-08 17:22:59,280 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 17:22:59,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 123 treesize of output 75 [2024-11-08 17:22:59,817 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 144 proven. 96 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-08 17:22:59,817 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:23:30,608 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:23:30,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1626730999] [2024-11-08 17:23:30,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1626730999] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:23:30,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509324578] [2024-11-08 17:23:30,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:23:30,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:23:30,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:23:30,610 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:23:30,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-08 17:23:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:30,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-08 17:23:30,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:23:39,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2024-11-08 17:23:40,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2024-11-08 17:23:40,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 17:23:40,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 64 [2024-11-08 17:23:40,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-11-08 17:23:41,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 54 [2024-11-08 17:23:42,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 54 [2024-11-08 17:23:43,630 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 17:23:43,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 48 [2024-11-08 17:23:44,034 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 17:23:44,034 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:23:44,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1509324578] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:23:44,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:23:44,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [15] total 24 [2024-11-08 17:23:44,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405741509] [2024-11-08 17:23:44,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:23:44,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 17:23:44,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:23:44,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 17:23:44,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=974, Unknown=5, NotChecked=0, Total=1122 [2024-11-08 17:23:44,036 INFO L87 Difference]: Start difference. First operand 690 states and 975 transitions. Second operand has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 17:23:56,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:23:56,736 INFO L93 Difference]: Finished difference Result 1547 states and 2217 transitions. [2024-11-08 17:23:56,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 17:23:56,737 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 121 [2024-11-08 17:23:56,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:23:56,740 INFO L225 Difference]: With dead ends: 1547 [2024-11-08 17:23:56,741 INFO L226 Difference]: Without dead ends: 948 [2024-11-08 17:23:56,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 39.0s TimeCoverageRelationStatistics Valid=248, Invalid=1387, Unknown=5, NotChecked=0, Total=1640 [2024-11-08 17:23:56,743 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 548 mSDsluCounter, 807 mSDsCounter, 0 mSdLazyCounter, 1774 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 1793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:23:56,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [548 Valid, 940 Invalid, 1793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1774 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2024-11-08 17:23:56,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2024-11-08 17:23:56,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 686. [2024-11-08 17:23:56,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 594 states have (on average 1.398989898989899) internal successors, (831), 598 states have internal predecessors, (831), 69 states have call successors, (69), 22 states have call predecessors, (69), 22 states have return successors, (69), 65 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-08 17:23:56,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 969 transitions. [2024-11-08 17:23:56,893 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 969 transitions. Word has length 121 [2024-11-08 17:23:56,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:23:56,894 INFO L471 AbstractCegarLoop]: Abstraction has 686 states and 969 transitions. [2024-11-08 17:23:56,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 17:23:56,894 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 969 transitions. [2024-11-08 17:23:56,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-08 17:23:56,896 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:23:56,896 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:23:56,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Ended with exit code 0 [2024-11-08 17:23:57,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-08 17:23:57,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:23:57,297 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:23:57,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:23:57,298 INFO L85 PathProgramCache]: Analyzing trace with hash 133320139, now seen corresponding path program 1 times [2024-11-08 17:23:57,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:23:57,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1435675970] [2024-11-08 17:23:57,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:23:57,298 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 [2024-11-08 17:23:57,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:23:57,301 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 17:23:57,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2024-11-08 17:23:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:57,747 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-08 17:23:57,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:24:04,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 17:24:06,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-08 17:24:08,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2024-11-08 17:24:08,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 49 [2024-11-08 17:24:08,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 17:24:08,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 73 [2024-11-08 17:24:08,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2024-11-08 17:24:08,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 43 [2024-11-08 17:24:08,917 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 17:24:08,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 46 [2024-11-08 17:24:09,123 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 17:24:09,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 22 [2024-11-08 17:24:09,199 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 33 proven. 96 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-08 17:24:09,199 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:24:15,627 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:24:15,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1435675970] [2024-11-08 17:24:15,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1435675970] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:24:15,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976718998] [2024-11-08 17:24:15,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:24:15,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:24:15,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:24:15,628 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:24:15,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-08 17:24:15,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:15,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-08 17:24:15,916 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:24:22,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 17:24:24,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-11-08 17:24:26,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2024-11-08 17:24:26,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 55 [2024-11-08 17:24:26,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 17:24:26,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 87 [2024-11-08 17:24:26,972 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 56 [2024-11-08 17:24:27,308 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 17:24:27,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 63 treesize of output 59 [2024-11-08 17:24:27,852 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 17:24:27,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 56 treesize of output 28 [2024-11-08 17:24:27,960 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 33 proven. 96 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-08 17:24:27,960 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:24:28,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976718998] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:24:28,740 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 17:24:28,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2024-11-08 17:24:28,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677370572] [2024-11-08 17:24:28,740 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 17:24:28,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-08 17:24:28,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:24:28,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-08 17:24:28,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=427, Unknown=1, NotChecked=0, Total=506 [2024-11-08 17:24:28,741 INFO L87 Difference]: Start difference. First operand 686 states and 969 transitions. Second operand has 18 states, 17 states have (on average 4.647058823529412) internal successors, (79), 16 states have internal predecessors, (79), 4 states have call successors, (16), 3 states have call predecessors, (16), 4 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-08 17:24:43,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:24:43,771 INFO L93 Difference]: Finished difference Result 2127 states and 2989 transitions. [2024-11-08 17:24:43,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-08 17:24:43,772 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.647058823529412) internal successors, (79), 16 states have internal predecessors, (79), 4 states have call successors, (16), 3 states have call predecessors, (16), 4 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 121 [2024-11-08 17:24:43,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:24:43,777 INFO L225 Difference]: With dead ends: 2127 [2024-11-08 17:24:43,778 INFO L226 Difference]: Without dead ends: 1532 [2024-11-08 17:24:43,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 271 SyntacticMatches, 4 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 389 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=418, Invalid=1303, Unknown=1, NotChecked=0, Total=1722 [2024-11-08 17:24:43,780 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 2286 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 1476 mSolverCounterSat, 395 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2287 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 1871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 395 IncrementalHoareTripleChecker+Valid, 1476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:24:43,780 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2287 Valid, 555 Invalid, 1871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [395 Valid, 1476 Invalid, 0 Unknown, 0 Unchecked, 10.1s Time] [2024-11-08 17:24:43,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2024-11-08 17:24:43,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 474. [2024-11-08 17:24:43,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 436 states have (on average 1.4541284403669725) internal successors, (634), 436 states have internal predecessors, (634), 27 states have call successors, (27), 10 states have call predecessors, (27), 10 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-08 17:24:43,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 688 transitions. [2024-11-08 17:24:43,910 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 688 transitions. Word has length 121 [2024-11-08 17:24:43,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:24:43,910 INFO L471 AbstractCegarLoop]: Abstraction has 474 states and 688 transitions. [2024-11-08 17:24:43,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.647058823529412) internal successors, (79), 16 states have internal predecessors, (79), 4 states have call successors, (16), 3 states have call predecessors, (16), 4 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-08 17:24:43,911 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 688 transitions. [2024-11-08 17:24:43,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-08 17:24:43,912 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:24:43,912 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:24:43,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-08 17:24:44,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2024-11-08 17:24:44,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:24:44,313 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:24:44,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:24:44,314 INFO L85 PathProgramCache]: Analyzing trace with hash -453485875, now seen corresponding path program 1 times [2024-11-08 17:24:44,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:24:44,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1297347965] [2024-11-08 17:24:44,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:24:44,315 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 [2024-11-08 17:24:44,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:24:44,316 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 17:24:44,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2024-11-08 17:24:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:44,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-08 17:24:44,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:24:46,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 17:24:49,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 40 [2024-11-08 17:24:51,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 51 [2024-11-08 17:24:54,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 54 [2024-11-08 17:24:57,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 62 [2024-11-08 17:24:59,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 73 [2024-11-08 17:25:03,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 84 [2024-11-08 17:25:06,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 96 [2024-11-08 17:25:07,092 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 108 [2024-11-08 17:25:07,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 17:25:07,210 INFO L349 Elim1Store]: treesize reduction 88, result has 9.3 percent of original size [2024-11-08 17:25:07,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 8 select indices, 8 select index equivalence classes, 29 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 9 case distinctions, treesize of input 108 treesize of output 171 [2024-11-08 17:25:07,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 59 [2024-11-08 17:25:09,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 229 treesize of output 166 [2024-11-08 17:25:09,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 229 treesize of output 166 [2024-11-08 17:25:11,356 INFO L349 Elim1Store]: treesize reduction 32, result has 50.8 percent of original size [2024-11-08 17:25:11,356 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 279 treesize of output 171 [2024-11-08 17:25:11,615 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 228 proven. 96 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 17:25:11,615 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:25:38,339 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:25:38,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1297347965] [2024-11-08 17:25:38,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1297347965] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:25:38,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495123873] [2024-11-08 17:25:38,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:25:38,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:25:38,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:38,341 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:25:38,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe9e47a5-d66e-40f0-af72-c9ae4e9c5b16/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-08 17:25:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:25:38,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-08 17:25:38,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:25:40,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 17:25:43,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 28 [2024-11-08 17:25:45,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 31 [2024-11-08 17:25:48,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 31 [2024-11-08 17:25:50,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 31 [2024-11-08 17:25:52,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 31 [2024-11-08 17:25:54,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 31 [2024-11-08 17:25:56,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2024-11-08 17:25:57,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 66 [2024-11-08 17:25:57,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 17:25:57,512 INFO L349 Elim1Store]: treesize reduction 56, result has 13.8 percent of original size [2024-11-08 17:25:57,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 66 treesize of output 103 [2024-11-08 17:25:57,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 17:25:57,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 29