./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-25.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7e44eca549ad63e100ff6b29db4a1cf439ea9f40f98c1b07aaed555a9a1c91f0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:08:14,312 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:08:14,397 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:08:14,402 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:08:14,403 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:08:14,428 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:08:14,429 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:08:14,430 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:08:14,431 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:08:14,431 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:08:14,432 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:08:14,432 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:08:14,433 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:08:14,434 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:08:14,434 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:08:14,435 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:08:14,435 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:08:14,436 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:08:14,436 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:08:14,437 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:08:14,438 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:08:14,438 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:08:14,439 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:08:14,440 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:08:14,440 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:08:14,441 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:08:14,442 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:08:14,442 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:08:14,443 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:08:14,443 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:08:14,444 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:08:14,444 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:08:14,445 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:08:14,446 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:08:14,446 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:08:14,447 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:08:14,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:08:14,448 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:08:14,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:08:14,449 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:08:14,450 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:08:14,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:08:14,451 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:08:14,452 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:08:14,452 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:08:14,453 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e44eca549ad63e100ff6b29db4a1cf439ea9f40f98c1b07aaed555a9a1c91f0 [2023-11-19 05:08:14,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:08:14,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:08:14,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:08:14,786 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:08:14,787 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:08:14,789 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-25.i [2023-11-19 05:08:17,993 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:08:18,286 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:08:18,287 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-25.i [2023-11-19 05:08:18,297 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/data/f5ec5181d/c1e3066be46341b8aa672e28db9b087d/FLAGe4beb94f7 [2023-11-19 05:08:18,318 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/data/f5ec5181d/c1e3066be46341b8aa672e28db9b087d [2023-11-19 05:08:18,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:08:18,333 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:08:18,337 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:08:18,338 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:08:18,345 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:08:18,346 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:08:18" (1/1) ... [2023-11-19 05:08:18,347 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44e725fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:18, skipping insertion in model container [2023-11-19 05:08:18,348 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:08:18" (1/1) ... [2023-11-19 05:08:18,394 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:08:18,612 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-25.i[916,929] [2023-11-19 05:08:18,718 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:08:18,738 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:08:18,757 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-25.i[916,929] [2023-11-19 05:08:18,829 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:08:18,852 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:08:18,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:18 WrapperNode [2023-11-19 05:08:18,853 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:08:18,854 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:08:18,855 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:08:18,855 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:08:18,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:18" (1/1) ... [2023-11-19 05:08:18,881 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:18" (1/1) ... [2023-11-19 05:08:18,926 INFO L138 Inliner]: procedures = 29, calls = 176, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 486 [2023-11-19 05:08:18,927 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:08:18,928 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:08:18,928 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:08:18,928 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:08:18,940 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:18" (1/1) ... [2023-11-19 05:08:18,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:18" (1/1) ... [2023-11-19 05:08:18,948 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:18" (1/1) ... [2023-11-19 05:08:18,948 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:18" (1/1) ... [2023-11-19 05:08:18,974 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:18" (1/1) ... [2023-11-19 05:08:18,980 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:18" (1/1) ... [2023-11-19 05:08:18,983 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:18" (1/1) ... [2023-11-19 05:08:18,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:18" (1/1) ... [2023-11-19 05:08:18,993 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:08:18,994 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:08:18,994 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:08:18,995 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:08:19,004 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:18" (1/1) ... [2023-11-19 05:08:19,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:08:19,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:08:19,043 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:08:19,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:08:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:08:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:08:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 05:08:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 05:08:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:08:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 05:08:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:08:19,102 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:08:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:08:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:08:19,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:08:19,250 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:08:19,253 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:08:19,928 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:08:21,142 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:08:21,143 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:08:21,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:08:21 BoogieIcfgContainer [2023-11-19 05:08:21,151 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:08:21,155 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:08:21,156 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:08:21,159 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:08:21,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:08:18" (1/3) ... [2023-11-19 05:08:21,161 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d6c556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:08:21, skipping insertion in model container [2023-11-19 05:08:21,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:18" (2/3) ... [2023-11-19 05:08:21,164 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d6c556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:08:21, skipping insertion in model container [2023-11-19 05:08:21,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:08:21" (3/3) ... [2023-11-19 05:08:21,165 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-25.i [2023-11-19 05:08:21,185 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:08:21,186 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:08:21,251 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:08:21,258 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@48d399cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:08:21,259 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:08:21,264 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 05:08:21,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 05:08:21,277 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:08:21,278 INFO L195 NwaCegarLoop]: trace histogram [18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:08:21,278 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:08:21,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:08:21,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1163883306, now seen corresponding path program 1 times [2023-11-19 05:08:21,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:08:21,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406018672] [2023-11-19 05:08:21,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:08:21,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:08:24,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:08:24,538 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:08:26,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:08:26,692 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:08:26,694 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:08:26,696 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:08:26,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:08:26,703 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:08:26,711 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:08:26,774 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-19 05:08:26,775 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-19 05:08:26,775 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-19 05:08:26,776 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-19 05:08:26,777 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-19 05:08:26,777 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-19 05:08:26,778 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-19 05:08:26,778 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-19 05:08:26,779 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-19 05:08:26,779 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-19 05:08:26,780 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-19 05:08:26,780 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-19 05:08:26,780 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-19 05:08:26,781 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-19 05:08:26,781 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-19 05:08:26,781 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-19 05:08:26,782 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-19 05:08:26,782 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-19 05:08:26,782 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-19 05:08:26,784 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-19 05:08:26,785 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-19 05:08:26,791 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-19 05:08:26,791 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-19 05:08:26,792 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-19 05:08:26,793 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-19 05:08:26,793 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-19 05:08:26,793 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-19 05:08:26,793 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short75 could not be translated [2023-11-19 05:08:26,793 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-19 05:08:26,794 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated [2023-11-19 05:08:26,794 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-19 05:08:26,794 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-19 05:08:26,795 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-19 05:08:26,796 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-19 05:08:26,796 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-19 05:08:26,796 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated [2023-11-19 05:08:26,797 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-19 05:08:26,797 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short75 could not be translated [2023-11-19 05:08:26,798 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-19 05:08:26,798 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated [2023-11-19 05:08:26,799 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short83 could not be translated [2023-11-19 05:08:26,799 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-19 05:08:26,800 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated [2023-11-19 05:08:26,800 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-19 05:08:26,800 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-19 05:08:26,800 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-19 05:08:26,801 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-19 05:08:26,801 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated [2023-11-19 05:08:26,802 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-19 05:08:26,802 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short83 could not be translated [2023-11-19 05:08:26,802 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-19 05:08:26,802 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated [2023-11-19 05:08:26,803 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-19 05:08:26,803 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-19 05:08:26,804 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-19 05:08:26,805 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-19 05:08:26,806 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-19 05:08:26,807 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-19 05:08:26,807 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-19 05:08:26,808 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-19 05:08:26,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:08:26 BoogieIcfgContainer [2023-11-19 05:08:26,841 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:08:26,844 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:08:26,844 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:08:26,844 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:08:26,845 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:08:21" (3/4) ... [2023-11-19 05:08:26,851 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:08:26,852 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:08:26,854 INFO L158 Benchmark]: Toolchain (without parser) took 8519.89ms. Allocated memory was 136.3MB in the beginning and 297.8MB in the end (delta: 161.5MB). Free memory was 104.9MB in the beginning and 117.2MB in the end (delta: -12.3MB). Peak memory consumption was 152.4MB. Max. memory is 16.1GB. [2023-11-19 05:08:26,855 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 100.7MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:08:26,856 INFO L158 Benchmark]: CACSL2BoogieTranslator took 516.81ms. Allocated memory is still 136.3MB. Free memory was 104.5MB in the beginning and 88.0MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 05:08:26,857 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.93ms. Allocated memory is still 136.3MB. Free memory was 88.0MB in the beginning and 84.0MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:08:26,859 INFO L158 Benchmark]: Boogie Preprocessor took 65.50ms. Allocated memory is still 136.3MB. Free memory was 84.0MB in the beginning and 80.1MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:08:26,863 INFO L158 Benchmark]: RCFGBuilder took 2156.65ms. Allocated memory was 136.3MB in the beginning and 195.0MB in the end (delta: 58.7MB). Free memory was 80.1MB in the beginning and 86.5MB in the end (delta: -6.4MB). Peak memory consumption was 77.3MB. Max. memory is 16.1GB. [2023-11-19 05:08:26,865 INFO L158 Benchmark]: TraceAbstraction took 5686.90ms. Allocated memory was 195.0MB in the beginning and 297.8MB in the end (delta: 102.8MB). Free memory was 86.5MB in the beginning and 117.2MB in the end (delta: -30.7MB). Peak memory consumption was 104.6MB. Max. memory is 16.1GB. [2023-11-19 05:08:26,866 INFO L158 Benchmark]: Witness Printer took 8.61ms. Allocated memory is still 297.8MB. Free memory was 117.2MB in the beginning and 117.2MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:08:26,874 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 100.7MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 516.81ms. Allocated memory is still 136.3MB. Free memory was 104.5MB in the beginning and 88.0MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.93ms. Allocated memory is still 136.3MB. Free memory was 88.0MB in the beginning and 84.0MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.50ms. Allocated memory is still 136.3MB. Free memory was 84.0MB in the beginning and 80.1MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2156.65ms. Allocated memory was 136.3MB in the beginning and 195.0MB in the end (delta: 58.7MB). Free memory was 80.1MB in the beginning and 86.5MB in the end (delta: -6.4MB). Peak memory consumption was 77.3MB. Max. memory is 16.1GB. * TraceAbstraction took 5686.90ms. Allocated memory was 195.0MB in the beginning and 297.8MB in the end (delta: 102.8MB). Free memory was 86.5MB in the beginning and 117.2MB in the end (delta: -30.7MB). Peak memory consumption was 104.6MB. Max. memory is 16.1GB. * Witness Printer took 8.61ms. Allocated memory is still 297.8MB. Free memory was 117.2MB in the beginning and 117.2MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 58. Possible FailurePath: [L38] unsigned char isInitial = 0; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 256, 0, 10, 500, 0, 1509114200, 10, 128.9, 63.363, 4.575, 25.5, 1, 0, 1 }; [L126] isInitial = 1 [L127] FCALL initially() [L128] COND TRUE 1 [L129] FCALL updateLastVariables() [L130] CALL updateVariables() [L90] WrapperStruct00.var_1_2 = __VERIFIER_nondet_uchar() [L91] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L91] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L92] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L93] WrapperStruct00.var_1_3 = __VERIFIER_nondet_ushort() [L94] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L95] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_3 <= 65535) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(WrapperStruct00.var_1_3 <= 65535) VAL [WrapperStruct00={4:0}, isInitial=1] [L96] WrapperStruct00.var_1_4 = __VERIFIER_nondet_ushort() [L97] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_4 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(WrapperStruct00.var_1_4 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L98] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_4 <= 65535) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(WrapperStruct00.var_1_4 <= 65535) VAL [WrapperStruct00={4:0}, isInitial=1] [L99] WrapperStruct00.var_1_5 = __VERIFIER_nondet_ulong() [L100] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L101] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_5 <= 1073741823) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(WrapperStruct00.var_1_5 <= 1073741823) VAL [WrapperStruct00={4:0}, isInitial=1] [L102] WrapperStruct00.var_1_6 = __VERIFIER_nondet_ulong() [L103] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L103] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= 1073741823) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= 1073741823) VAL [WrapperStruct00={4:0}, isInitial=1] [L104] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 2147483647) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 2147483647) VAL [WrapperStruct00={4:0}, isInitial=1] [L105] WrapperStruct00.var_1_7 = __VERIFIER_nondet_ulong() [L106] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1] [L106] CALL assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L107] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1] [L107] CALL assume_abort_if_not(WrapperStruct00.var_1_7 <= 1073741823) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(WrapperStruct00.var_1_7 <= 1073741823) VAL [WrapperStruct00={4:0}, isInitial=1] [L108] WrapperStruct00.var_1_9 = __VERIFIER_nondet_float() [L109] EXPR WrapperStruct00.var_1_9 [L109] EXPR WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F [L109] EXPR WrapperStruct00.var_1_9 [L109] EXPR WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F [L109] EXPR (WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L109] CALL assume_abort_if_not((WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not((WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L110] WrapperStruct00.var_1_10 = __VERIFIER_nondet_float() [L111] EXPR WrapperStruct00.var_1_10 [L111] EXPR WrapperStruct00.var_1_10 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F [L111] EXPR WrapperStruct00.var_1_10 [L111] EXPR WrapperStruct00.var_1_10 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F [L111] EXPR (WrapperStruct00.var_1_10 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L111] CALL assume_abort_if_not((WrapperStruct00.var_1_10 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not((WrapperStruct00.var_1_10 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L112] WrapperStruct00.var_1_13 = __VERIFIER_nondet_uchar() [L113] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L113] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L114] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L114] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L115] WrapperStruct00.var_1_14 = __VERIFIER_nondet_uchar() [L116] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1] [L116] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L117] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1] [L117] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L130] RET updateVariables() [L131] CALL step() [L58] EXPR WrapperStruct00.var_1_9 [L58] EXPR WrapperStruct00.var_1_10 [L58] COND FALSE !(WrapperStruct00.var_1_9 != WrapperStruct00.var_1_10) [L65] EXPR WrapperStruct00.var_1_14 [L65] WrapperStruct00.var_1_12 = WrapperStruct00.var_1_14 [L67] EXPR WrapperStruct00.var_1_3 [L67] unsigned short int stepLocal_0 = WrapperStruct00.var_1_3; [L68] WrapperStruct00.var_1_12 [L68] COND TRUE WrapperStruct00.var_1_12 [L69] EXPR WrapperStruct00.var_1_4 [L69] COND TRUE stepLocal_0 <= WrapperStruct00.var_1_4 [L70] EXPR WrapperStruct00.var_1_3 [L70] EXPR WrapperStruct00.var_1_4 [L70] EXPR WrapperStruct00.var_1_5 [L70] EXPR ((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5)) [L70] EXPR WrapperStruct00.var_1_4 [L70] EXPR WrapperStruct00.var_1_5 [L70] EXPR ((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5)) [L70] EXPR WrapperStruct00.var_1_6 [L70] EXPR WrapperStruct00.var_1_7 [L70] WrapperStruct00.var_1_1 = (((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5)))) + (WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7)) [L75] EXPR WrapperStruct00.var_1_1 [L75] unsigned long int stepLocal_1 = WrapperStruct00.var_1_1; [L76] EXPR WrapperStruct00.var_1_7 [L76] COND TRUE WrapperStruct00.var_1_7 >= stepLocal_1 [L77] EXPR WrapperStruct00.var_1_9 [L77] EXPR ((0.5f) < (WrapperStruct00.var_1_9)) ? (0.5f) : (WrapperStruct00.var_1_9) [L77] EXPR WrapperStruct00.var_1_9 [L77] EXPR ((0.5f) < (WrapperStruct00.var_1_9)) ? (0.5f) : (WrapperStruct00.var_1_9) [L77] WrapperStruct00.var_1_8 = ((((0.5f) < (WrapperStruct00.var_1_9)) ? (0.5f) : (WrapperStruct00.var_1_9))) [L81] EXPR WrapperStruct00.var_1_10 [L81] EXPR WrapperStruct00.var_1_9 [L81] EXPR ((128.175f) > (WrapperStruct00.var_1_9)) ? (128.175f) : (WrapperStruct00.var_1_9) [L81] EXPR WrapperStruct00.var_1_9 [L81] EXPR ((128.175f) > (WrapperStruct00.var_1_9)) ? (128.175f) : (WrapperStruct00.var_1_9) [L81] EXPR WrapperStruct00.var_1_8 [L81] EXPR ((((((128.175f) > (WrapperStruct00.var_1_9)) ? (128.175f) : (WrapperStruct00.var_1_9)))) < (WrapperStruct00.var_1_8)) ? (((((128.175f) > (WrapperStruct00.var_1_9)) ? (128.175f) : (WrapperStruct00.var_1_9)))) : (WrapperStruct00.var_1_8) [L81] EXPR WrapperStruct00.var_1_8 [L81] EXPR ((((((128.175f) > (WrapperStruct00.var_1_9)) ? (128.175f) : (WrapperStruct00.var_1_9)))) < (WrapperStruct00.var_1_8)) ? (((((128.175f) > (WrapperStruct00.var_1_9)) ? (128.175f) : (WrapperStruct00.var_1_9)))) : (WrapperStruct00.var_1_8) [L81] COND TRUE WrapperStruct00.var_1_10 >= ((((((((128.175f) > (WrapperStruct00.var_1_9)) ? (128.175f) : (WrapperStruct00.var_1_9)))) < (WrapperStruct00.var_1_8)) ? (((((128.175f) > (WrapperStruct00.var_1_9)) ? (128.175f) : (WrapperStruct00.var_1_9)))) : (WrapperStruct00.var_1_8))) [L82] EXPR WrapperStruct00.var_1_10 [L82] WrapperStruct00.var_1_11 = WrapperStruct00.var_1_10 [L131] RET step() [L132] CALL, EXPR property() [L122] EXPR WrapperStruct00.var_1_12 [L122] EXPR WrapperStruct00.var_1_12 ? ((WrapperStruct00.var_1_3 <= WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_1 == ((unsigned long int) (((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5)))) + (WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7)))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_7)) [L122] EXPR WrapperStruct00.var_1_3 [L122] EXPR WrapperStruct00.var_1_4 [L122] EXPR (WrapperStruct00.var_1_3 <= WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_1 == ((unsigned long int) (((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5)))) + (WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7)))) : 1 [L122] EXPR WrapperStruct00.var_1_1 [L122] EXPR WrapperStruct00.var_1_3 [L122] EXPR WrapperStruct00.var_1_4 [L122] EXPR WrapperStruct00.var_1_5 [L122] EXPR ((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5)) [L122] EXPR WrapperStruct00.var_1_4 [L122] EXPR WrapperStruct00.var_1_5 [L122] EXPR ((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5)) [L122] EXPR WrapperStruct00.var_1_6 [L122] EXPR WrapperStruct00.var_1_7 [L122] EXPR (WrapperStruct00.var_1_3 <= WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_1 == ((unsigned long int) (((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5)))) + (WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7)))) : 1 [L122] EXPR WrapperStruct00.var_1_12 ? ((WrapperStruct00.var_1_3 <= WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_1 == ((unsigned long int) (((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5)))) + (WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7)))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_7)) [L122] EXPR (WrapperStruct00.var_1_12 ? ((WrapperStruct00.var_1_3 <= WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_1 == ((unsigned long int) (((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5)))) + (WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7)))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_7))) && ((WrapperStruct00.var_1_7 >= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((float) ((((0.5f) < (WrapperStruct00.var_1_9)) ? (0.5f) : (WrapperStruct00.var_1_9))))) : (WrapperStruct00.var_1_8 == ((float) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10)))))) [L122] EXPR WrapperStruct00.var_1_7 [L122] EXPR WrapperStruct00.var_1_1 [L122] EXPR (WrapperStruct00.var_1_7 >= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((float) ((((0.5f) < (WrapperStruct00.var_1_9)) ? (0.5f) : (WrapperStruct00.var_1_9))))) : (WrapperStruct00.var_1_8 == ((float) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) [L122] EXPR WrapperStruct00.var_1_8 [L122] EXPR WrapperStruct00.var_1_9 [L122] EXPR ((0.5f) < (WrapperStruct00.var_1_9)) ? (0.5f) : (WrapperStruct00.var_1_9) [L122] EXPR (WrapperStruct00.var_1_7 >= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((float) ((((0.5f) < (WrapperStruct00.var_1_9)) ? (0.5f) : (WrapperStruct00.var_1_9))))) : (WrapperStruct00.var_1_8 == ((float) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) [L122] EXPR (WrapperStruct00.var_1_12 ? ((WrapperStruct00.var_1_3 <= WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_1 == ((unsigned long int) (((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5)))) + (WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7)))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_7))) && ((WrapperStruct00.var_1_7 >= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((float) ((((0.5f) < (WrapperStruct00.var_1_9)) ? (0.5f) : (WrapperStruct00.var_1_9))))) : (WrapperStruct00.var_1_8 == ((float) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10)))))) [L122] EXPR ((WrapperStruct00.var_1_12 ? ((WrapperStruct00.var_1_3 <= WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_1 == ((unsigned long int) (((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5)))) + (WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7)))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_7))) && ((WrapperStruct00.var_1_7 >= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((float) ((((0.5f) < (WrapperStruct00.var_1_9)) ? (0.5f) : (WrapperStruct00.var_1_9))))) : (WrapperStruct00.var_1_8 == ((float) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))))) && ((WrapperStruct00.var_1_10 >= ((((((((128.175f) > (WrapperStruct00.var_1_9)) ? (128.175f) : (WrapperStruct00.var_1_9)))) < (WrapperStruct00.var_1_8)) ? (((((128.175f) > (WrapperStruct00.var_1_9)) ? (128.175f) : (WrapperStruct00.var_1_9)))) : (WrapperStruct00.var_1_8)))) ? (WrapperStruct00.var_1_11 == ((float) WrapperStruct00.var_1_10)) : ((! (WrapperStruct00.var_1_7 <= WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_11 == ((float) WrapperStruct00.var_1_9)) : 1)) [L122] EXPR (((WrapperStruct00.var_1_12 ? ((WrapperStruct00.var_1_3 <= WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_1 == ((unsigned long int) (((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5)))) + (WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7)))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_7))) && ((WrapperStruct00.var_1_7 >= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((float) ((((0.5f) < (WrapperStruct00.var_1_9)) ? (0.5f) : (WrapperStruct00.var_1_9))))) : (WrapperStruct00.var_1_8 == ((float) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))))) && ((WrapperStruct00.var_1_10 >= ((((((((128.175f) > (WrapperStruct00.var_1_9)) ? (128.175f) : (WrapperStruct00.var_1_9)))) < (WrapperStruct00.var_1_8)) ? (((((128.175f) > (WrapperStruct00.var_1_9)) ? (128.175f) : (WrapperStruct00.var_1_9)))) : (WrapperStruct00.var_1_8)))) ? (WrapperStruct00.var_1_11 == ((float) WrapperStruct00.var_1_10)) : ((! (WrapperStruct00.var_1_7 <= WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_11 == ((float) WrapperStruct00.var_1_9)) : 1))) && ((WrapperStruct00.var_1_9 != WrapperStruct00.var_1_10) ? ((WrapperStruct00.var_1_2 || WrapperStruct00.var_1_13) ? (WrapperStruct00.var_1_12 == ((unsigned char) (WrapperStruct00.var_1_13 || WrapperStruct00.var_1_14))) : (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_14))) : (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_14))) [L122-L123] return (((WrapperStruct00.var_1_12 ? ((WrapperStruct00.var_1_3 <= WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_1 == ((unsigned long int) (((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5)))) + (WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7)))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_7))) && ((WrapperStruct00.var_1_7 >= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((float) ((((0.5f) < (WrapperStruct00.var_1_9)) ? (0.5f) : (WrapperStruct00.var_1_9))))) : (WrapperStruct00.var_1_8 == ((float) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))))) && ((WrapperStruct00.var_1_10 >= ((((((((128.175f) > (WrapperStruct00.var_1_9)) ? (128.175f) : (WrapperStruct00.var_1_9)))) < (WrapperStruct00.var_1_8)) ? (((((128.175f) > (WrapperStruct00.var_1_9)) ? (128.175f) : (WrapperStruct00.var_1_9)))) : (WrapperStruct00.var_1_8)))) ? (WrapperStruct00.var_1_11 == ((float) WrapperStruct00.var_1_10)) : ((! (WrapperStruct00.var_1_7 <= WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_11 == ((float) WrapperStruct00.var_1_9)) : 1))) && ((WrapperStruct00.var_1_9 != WrapperStruct00.var_1_10) ? ((WrapperStruct00.var_1_2 || WrapperStruct00.var_1_13) ? (WrapperStruct00.var_1_12 == ((unsigned char) (WrapperStruct00.var_1_13 || WrapperStruct00.var_1_14))) : (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_14))) : (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_14))) ; [L132] RET, EXPR property() [L132] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 1, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 05:08:26,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7e44eca549ad63e100ff6b29db4a1cf439ea9f40f98c1b07aaed555a9a1c91f0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:08:29,574 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:08:29,672 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:08:29,678 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:08:29,679 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:08:29,707 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:08:29,708 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:08:29,709 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:08:29,710 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:08:29,710 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:08:29,711 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:08:29,712 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:08:29,712 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:08:29,713 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:08:29,714 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:08:29,715 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:08:29,716 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:08:29,716 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:08:29,717 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:08:29,718 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:08:29,718 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:08:29,719 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:08:29,720 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:08:29,720 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:08:29,721 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:08:29,721 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:08:29,722 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:08:29,722 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:08:29,723 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:08:29,723 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:08:29,724 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:08:29,725 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:08:29,725 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:08:29,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:08:29,726 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:08:29,727 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:08:29,728 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:08:29,728 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:08:29,729 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:08:29,729 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:08:29,730 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:08:29,730 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:08:29,731 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e44eca549ad63e100ff6b29db4a1cf439ea9f40f98c1b07aaed555a9a1c91f0 [2023-11-19 05:08:30,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:08:30,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:08:30,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:08:30,128 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:08:30,129 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:08:30,130 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-25.i [2023-11-19 05:08:33,407 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:08:33,715 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:08:33,716 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-25.i [2023-11-19 05:08:33,726 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/data/120d50b1c/0140a3c13b504f9b9f4569bfcac11174/FLAG9832bad1c [2023-11-19 05:08:33,741 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/data/120d50b1c/0140a3c13b504f9b9f4569bfcac11174 [2023-11-19 05:08:33,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:08:33,746 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:08:33,747 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:08:33,747 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:08:33,753 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:08:33,753 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:08:33" (1/1) ... [2023-11-19 05:08:33,755 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30ccb459 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:33, skipping insertion in model container [2023-11-19 05:08:33,755 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:08:33" (1/1) ... [2023-11-19 05:08:33,792 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:08:33,992 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-25.i[916,929] [2023-11-19 05:08:34,089 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:08:34,110 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:08:34,130 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-25.i[916,929] [2023-11-19 05:08:34,204 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:08:34,234 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:08:34,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:34 WrapperNode [2023-11-19 05:08:34,234 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:08:34,236 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:08:34,236 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:08:34,236 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:08:34,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:34" (1/1) ... [2023-11-19 05:08:34,276 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:34" (1/1) ... [2023-11-19 05:08:34,349 INFO L138 Inliner]: procedures = 36, calls = 176, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 486 [2023-11-19 05:08:34,349 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:08:34,350 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:08:34,350 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:08:34,351 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:08:34,360 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:34" (1/1) ... [2023-11-19 05:08:34,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:34" (1/1) ... [2023-11-19 05:08:34,389 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:34" (1/1) ... [2023-11-19 05:08:34,390 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:34" (1/1) ... [2023-11-19 05:08:34,450 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:34" (1/1) ... [2023-11-19 05:08:34,456 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:34" (1/1) ... [2023-11-19 05:08:34,460 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:34" (1/1) ... [2023-11-19 05:08:34,464 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:34" (1/1) ... [2023-11-19 05:08:34,483 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:08:34,496 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:08:34,497 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:08:34,497 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:08:34,498 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:34" (1/1) ... [2023-11-19 05:08:34,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:08:34,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:08:34,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:08:34,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:08:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:08:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 05:08:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-19 05:08:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:08:34,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 05:08:34,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 05:08:34,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 05:08:34,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-19 05:08:34,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 05:08:34,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-19 05:08:34,576 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:08:34,577 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:08:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:08:34,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:08:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 05:08:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-19 05:08:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 05:08:34,709 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:08:34,714 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:08:35,426 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:08:35,435 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:08:35,435 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:08:35,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:08:35 BoogieIcfgContainer [2023-11-19 05:08:35,440 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:08:35,442 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:08:35,442 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:08:35,445 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:08:35,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:08:33" (1/3) ... [2023-11-19 05:08:35,446 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b7b9e78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:08:35, skipping insertion in model container [2023-11-19 05:08:35,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:34" (2/3) ... [2023-11-19 05:08:35,447 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b7b9e78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:08:35, skipping insertion in model container [2023-11-19 05:08:35,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:08:35" (3/3) ... [2023-11-19 05:08:35,448 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-25.i [2023-11-19 05:08:35,467 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:08:35,467 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:08:35,528 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:08:35,534 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@47a832e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:08:35,535 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:08:35,540 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 103 states have (on average 1.4271844660194175) internal successors, (147), 104 states have internal predecessors, (147), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 05:08:35,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-19 05:08:35,561 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:08:35,562 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:08:35,562 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:08:35,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:08:35,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1167224636, now seen corresponding path program 1 times [2023-11-19 05:08:35,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:08:35,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1581871008] [2023-11-19 05:08:35,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:08:35,587 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:08:35,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:08:35,592 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:08:35,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 05:08:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:08:36,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:08:36,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:08:36,132 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2023-11-19 05:08:36,133 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:08:36,133 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:08:36,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1581871008] [2023-11-19 05:08:36,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1581871008] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:08:36,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:08:36,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:08:36,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368677147] [2023-11-19 05:08:36,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:08:36,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:08:36,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:08:36,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:08:36,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:08:36,174 INFO L87 Difference]: Start difference. First operand has 124 states, 103 states have (on average 1.4271844660194175) internal successors, (147), 104 states have internal predecessors, (147), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-19 05:08:36,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:08:36,216 INFO L93 Difference]: Finished difference Result 241 states and 378 transitions. [2023-11-19 05:08:36,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:08:36,220 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 144 [2023-11-19 05:08:36,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:08:36,232 INFO L225 Difference]: With dead ends: 241 [2023-11-19 05:08:36,233 INFO L226 Difference]: Without dead ends: 120 [2023-11-19 05:08:36,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:08:36,242 INFO L413 NwaCegarLoop]: 176 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, 176 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 [2023-11-19 05:08:36,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:08:36,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-11-19 05:08:36,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2023-11-19 05:08:36,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 100 states have (on average 1.4) internal successors, (140), 100 states have internal predecessors, (140), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 05:08:36,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 176 transitions. [2023-11-19 05:08:36,293 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 176 transitions. Word has length 144 [2023-11-19 05:08:36,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:08:36,294 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 176 transitions. [2023-11-19 05:08:36,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-19 05:08:36,294 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 176 transitions. [2023-11-19 05:08:36,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-19 05:08:36,298 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:08:36,298 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:08:36,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:08:36,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:08:36,506 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:08:36,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:08:36,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1643043108, now seen corresponding path program 1 times [2023-11-19 05:08:36,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:08:36,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [945114170] [2023-11-19 05:08:36,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:08:36,509 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:08:36,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:08:36,511 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:08:36,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 05:08:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:08:36,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 05:08:36,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:08:37,320 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 44 treesize of output 31 [2023-11-19 05:08:37,402 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:08:37,405 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 50 treesize of output 20 [2023-11-19 05:08:37,479 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-11-19 05:08:37,479 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:08:37,480 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:08:37,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [945114170] [2023-11-19 05:08:37,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [945114170] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:08:37,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:08:37,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-19 05:08:37,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148970319] [2023-11-19 05:08:37,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:08:37,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-19 05:08:37,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:08:37,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-19 05:08:37,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-11-19 05:08:37,486 INFO L87 Difference]: Start difference. First operand 120 states and 176 transitions. Second operand has 12 states, 10 states have (on average 6.3) internal successors, (63), 11 states have internal predecessors, (63), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-19 05:08:40,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:08:40,143 INFO L93 Difference]: Finished difference Result 356 states and 516 transitions. [2023-11-19 05:08:40,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-19 05:08:40,145 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 6.3) internal successors, (63), 11 states have internal predecessors, (63), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 144 [2023-11-19 05:08:40,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:08:40,149 INFO L225 Difference]: With dead ends: 356 [2023-11-19 05:08:40,149 INFO L226 Difference]: Without dead ends: 239 [2023-11-19 05:08:40,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=112, Invalid=394, Unknown=0, NotChecked=0, Total=506 [2023-11-19 05:08:40,156 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 496 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 530 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:08:40,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [530 Valid, 405 Invalid, 975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 815 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-19 05:08:40,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2023-11-19 05:08:40,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 130. [2023-11-19 05:08:40,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 108 states have (on average 1.3703703703703705) internal successors, (148), 108 states have internal predecessors, (148), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 05:08:40,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 184 transitions. [2023-11-19 05:08:40,196 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 184 transitions. Word has length 144 [2023-11-19 05:08:40,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:08:40,198 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 184 transitions. [2023-11-19 05:08:40,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 6.3) internal successors, (63), 11 states have internal predecessors, (63), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-19 05:08:40,198 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 184 transitions. [2023-11-19 05:08:40,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-19 05:08:40,201 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:08:40,202 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:08:40,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-19 05:08:40,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:08:40,403 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:08:40,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:08:40,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1671490847, now seen corresponding path program 1 times [2023-11-19 05:08:40,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:08:40,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [979889499] [2023-11-19 05:08:40,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:08:40,405 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:08:40,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:08:40,407 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:08:40,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 05:08:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:08:40,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 05:08:40,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:08:41,169 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 44 treesize of output 31 [2023-11-19 05:08:41,365 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:08:41,366 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 34 [2023-11-19 05:08:41,489 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:08:41,489 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 34 [2023-11-19 05:08:41,514 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:08:41,515 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 50 treesize of output 20 [2023-11-19 05:08:41,577 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-11-19 05:08:41,578 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:08:41,578 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:08:41,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [979889499] [2023-11-19 05:08:41,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [979889499] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:08:41,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:08:41,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-19 05:08:41,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606229520] [2023-11-19 05:08:41,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:08:41,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-19 05:08:41,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:08:41,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-19 05:08:41,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-11-19 05:08:41,584 INFO L87 Difference]: Start difference. First operand 130 states and 184 transitions. Second operand has 12 states, 10 states have (on average 6.4) internal successors, (64), 11 states have internal predecessors, (64), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-19 05:08:43,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:08:43,930 INFO L93 Difference]: Finished difference Result 366 states and 523 transitions. [2023-11-19 05:08:43,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-19 05:08:43,937 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 6.4) internal successors, (64), 11 states have internal predecessors, (64), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 145 [2023-11-19 05:08:43,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:08:43,948 INFO L225 Difference]: With dead ends: 366 [2023-11-19 05:08:43,949 INFO L226 Difference]: Without dead ends: 239 [2023-11-19 05:08:43,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=112, Invalid=394, Unknown=0, NotChecked=0, Total=506 [2023-11-19 05:08:43,959 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 417 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 818 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-19 05:08:43,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 403 Invalid, 926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 818 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-19 05:08:43,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2023-11-19 05:08:44,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 149. [2023-11-19 05:08:44,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 127 states have (on average 1.3937007874015748) internal successors, (177), 127 states have internal predecessors, (177), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 05:08:44,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 213 transitions. [2023-11-19 05:08:44,017 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 213 transitions. Word has length 145 [2023-11-19 05:08:44,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:08:44,019 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 213 transitions. [2023-11-19 05:08:44,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 6.4) internal successors, (64), 11 states have internal predecessors, (64), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-19 05:08:44,019 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 213 transitions. [2023-11-19 05:08:44,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-19 05:08:44,027 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:08:44,028 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:08:44,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-19 05:08:44,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:08:44,240 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:08:44,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:08:44,241 INFO L85 PathProgramCache]: Analyzing trace with hash 484252723, now seen corresponding path program 1 times [2023-11-19 05:08:44,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:08:44,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [911878877] [2023-11-19 05:08:44,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:08:44,242 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:08:44,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:08:44,243 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:08:44,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-19 05:08:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:08:44,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:08:44,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:08:44,684 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-19 05:08:44,684 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:08:44,685 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:08:44,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [911878877] [2023-11-19 05:08:44,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [911878877] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:08:44,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:08:44,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 05:08:44,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787151399] [2023-11-19 05:08:44,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:08:44,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:08:44,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:08:44,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:08:44,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:08:44,688 INFO L87 Difference]: Start difference. First operand 149 states and 213 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-19 05:08:44,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:08:44,765 INFO L93 Difference]: Finished difference Result 325 states and 468 transitions. [2023-11-19 05:08:44,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 05:08:44,766 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 147 [2023-11-19 05:08:44,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:08:44,768 INFO L225 Difference]: With dead ends: 325 [2023-11-19 05:08:44,768 INFO L226 Difference]: Without dead ends: 179 [2023-11-19 05:08:44,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:08:44,770 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 102 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:08:44,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 734 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:08:44,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2023-11-19 05:08:44,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 152. [2023-11-19 05:08:44,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 130 states have (on average 1.3846153846153846) internal successors, (180), 130 states have internal predecessors, (180), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 05:08:44,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 216 transitions. [2023-11-19 05:08:44,792 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 216 transitions. Word has length 147 [2023-11-19 05:08:44,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:08:44,793 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 216 transitions. [2023-11-19 05:08:44,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-19 05:08:44,794 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 216 transitions. [2023-11-19 05:08:44,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-19 05:08:44,796 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:08:44,796 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:08:44,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -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 [2023-11-19 05:08:45,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:08:45,004 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:08:45,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:08:45,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1066887727, now seen corresponding path program 1 times [2023-11-19 05:08:45,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:08:45,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [475105764] [2023-11-19 05:08:45,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:08:45,006 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:08:45,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:08:45,008 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:08:45,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-19 05:08:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:08:45,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 05:08:45,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:08:45,378 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 14 treesize of output 10 [2023-11-19 05:08:45,395 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 21 treesize of output 9 [2023-11-19 05:08:45,407 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-19 05:08:45,407 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:08:45,407 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:08:45,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [475105764] [2023-11-19 05:08:45,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [475105764] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:08:45,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:08:45,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 05:08:45,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543742148] [2023-11-19 05:08:45,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:08:45,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:08:45,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:08:45,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:08:45,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:08:45,410 INFO L87 Difference]: Start difference. First operand 152 states and 216 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-19 05:08:46,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:08:46,259 INFO L93 Difference]: Finished difference Result 431 states and 613 transitions. [2023-11-19 05:08:46,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 05:08:46,265 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 148 [2023-11-19 05:08:46,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:08:46,268 INFO L225 Difference]: With dead ends: 431 [2023-11-19 05:08:46,268 INFO L226 Difference]: Without dead ends: 282 [2023-11-19 05:08:46,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:08:46,270 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 156 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-19 05:08:46,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 619 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-19 05:08:46,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2023-11-19 05:08:46,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 155. [2023-11-19 05:08:46,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 133 states have (on average 1.3759398496240602) internal successors, (183), 133 states have internal predecessors, (183), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 05:08:46,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 219 transitions. [2023-11-19 05:08:46,292 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 219 transitions. Word has length 148 [2023-11-19 05:08:46,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:08:46,293 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 219 transitions. [2023-11-19 05:08:46,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-19 05:08:46,293 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 219 transitions. [2023-11-19 05:08:46,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-19 05:08:46,295 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:08:46,296 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:08:46,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-19 05:08:46,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:08:46,504 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:08:46,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:08:46,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1207436337, now seen corresponding path program 1 times [2023-11-19 05:08:46,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:08:46,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [130361966] [2023-11-19 05:08:46,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:08:46,506 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:08:46,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:08:46,507 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:08:46,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-19 05:08:46,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:08:46,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 05:08:46,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:08:47,153 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 37 treesize of output 30 [2023-11-19 05:08:47,210 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:08:47,210 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 43 treesize of output 19 [2023-11-19 05:08:47,236 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-11-19 05:08:47,236 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:08:47,236 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:08:47,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [130361966] [2023-11-19 05:08:47,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [130361966] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:08:47,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:08:47,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-19 05:08:47,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501871670] [2023-11-19 05:08:47,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:08:47,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-19 05:08:47,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:08:47,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-19 05:08:47,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-11-19 05:08:47,239 INFO L87 Difference]: Start difference. First operand 155 states and 219 transitions. Second operand has 13 states, 11 states have (on average 6.090909090909091) internal successors, (67), 12 states have internal predecessors, (67), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-19 05:08:49,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:08:49,116 INFO L93 Difference]: Finished difference Result 309 states and 437 transitions. [2023-11-19 05:08:49,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-19 05:08:49,117 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 6.090909090909091) internal successors, (67), 12 states have internal predecessors, (67), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 148 [2023-11-19 05:08:49,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:08:49,119 INFO L225 Difference]: With dead ends: 309 [2023-11-19 05:08:49,119 INFO L226 Difference]: Without dead ends: 157 [2023-11-19 05:08:49,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2023-11-19 05:08:49,121 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 253 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 939 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 1022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 939 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-19 05:08:49,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 461 Invalid, 1022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 939 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-19 05:08:49,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2023-11-19 05:08:49,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 152. [2023-11-19 05:08:49,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 130 states have (on average 1.376923076923077) internal successors, (179), 130 states have internal predecessors, (179), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 05:08:49,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 215 transitions. [2023-11-19 05:08:49,138 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 215 transitions. Word has length 148 [2023-11-19 05:08:49,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:08:49,139 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 215 transitions. [2023-11-19 05:08:49,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 6.090909090909091) internal successors, (67), 12 states have internal predecessors, (67), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-19 05:08:49,139 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 215 transitions. [2023-11-19 05:08:49,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-19 05:08:49,142 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:08:49,142 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:08:49,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -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 [2023-11-19 05:08:49,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:08:49,350 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:08:49,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:08:49,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1942528822, now seen corresponding path program 1 times [2023-11-19 05:08:49,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:08:49,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [987943272] [2023-11-19 05:08:49,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:08:49,352 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:08:49,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:08:49,353 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:08:49,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-19 05:08:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:08:49,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 05:08:49,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:08:49,819 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 14 treesize of output 10 [2023-11-19 05:08:49,863 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 30 treesize of output 14 [2023-11-19 05:08:49,891 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 30 treesize of output 14 [2023-11-19 05:08:49,900 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 21 treesize of output 9 [2023-11-19 05:08:49,912 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-19 05:08:49,913 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:08:49,913 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:08:49,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [987943272] [2023-11-19 05:08:49,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [987943272] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:08:49,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:08:49,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 05:08:49,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21288419] [2023-11-19 05:08:49,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:08:49,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:08:49,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:08:49,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:08:49,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:08:49,916 INFO L87 Difference]: Start difference. First operand 152 states and 215 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-19 05:08:50,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:08:50,777 INFO L93 Difference]: Finished difference Result 431 states and 610 transitions. [2023-11-19 05:08:50,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 05:08:50,778 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 149 [2023-11-19 05:08:50,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:08:50,781 INFO L225 Difference]: With dead ends: 431 [2023-11-19 05:08:50,781 INFO L226 Difference]: Without dead ends: 282 [2023-11-19 05:08:50,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:08:50,782 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 195 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-19 05:08:50,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 590 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-19 05:08:50,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2023-11-19 05:08:50,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 153. [2023-11-19 05:08:50,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 131 states have (on average 1.3740458015267176) internal successors, (180), 131 states have internal predecessors, (180), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 05:08:50,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 216 transitions. [2023-11-19 05:08:50,802 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 216 transitions. Word has length 149 [2023-11-19 05:08:50,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:08:50,803 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 216 transitions. [2023-11-19 05:08:50,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-19 05:08:50,803 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 216 transitions. [2023-11-19 05:08:50,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-19 05:08:50,806 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:08:50,806 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:08:50,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-11-19 05:08:51,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:08:51,015 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:08:51,015 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:08:51,016 INFO L85 PathProgramCache]: Analyzing trace with hash 2004568436, now seen corresponding path program 1 times [2023-11-19 05:08:51,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:08:51,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1889314108] [2023-11-19 05:08:51,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:08:51,017 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:08:51,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:08:51,018 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:08:51,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-19 05:08:51,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:08:51,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 05:08:51,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:08:51,732 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 37 treesize of output 30 [2023-11-19 05:08:51,892 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:08:51,892 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 33 [2023-11-19 05:08:51,967 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:08:51,968 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 33 [2023-11-19 05:08:51,993 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:08:51,994 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 43 treesize of output 19 [2023-11-19 05:08:52,027 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-11-19 05:08:52,028 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:08:52,028 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:08:52,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1889314108] [2023-11-19 05:08:52,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1889314108] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:08:52,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:08:52,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-19 05:08:52,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685361649] [2023-11-19 05:08:52,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:08:52,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-19 05:08:52,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:08:52,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-19 05:08:52,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-11-19 05:08:52,032 INFO L87 Difference]: Start difference. First operand 153 states and 216 transitions. Second operand has 13 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-19 05:08:53,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:08:53,922 INFO L93 Difference]: Finished difference Result 305 states and 431 transitions. [2023-11-19 05:08:53,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-19 05:08:53,928 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 149 [2023-11-19 05:08:53,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:08:53,930 INFO L225 Difference]: With dead ends: 305 [2023-11-19 05:08:53,930 INFO L226 Difference]: Without dead ends: 155 [2023-11-19 05:08:53,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2023-11-19 05:08:53,932 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 180 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 1046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-19 05:08:53,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 490 Invalid, 1046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1022 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-19 05:08:53,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2023-11-19 05:08:53,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 131. [2023-11-19 05:08:53,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 109 states have (on average 1.348623853211009) internal successors, (147), 109 states have internal predecessors, (147), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 05:08:53,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 183 transitions. [2023-11-19 05:08:53,947 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 183 transitions. Word has length 149 [2023-11-19 05:08:53,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:08:53,948 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 183 transitions. [2023-11-19 05:08:53,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-19 05:08:53,948 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 183 transitions. [2023-11-19 05:08:53,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-19 05:08:53,950 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:08:53,951 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:08:53,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2023-11-19 05:08:54,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:08:54,161 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:08:54,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:08:54,161 INFO L85 PathProgramCache]: Analyzing trace with hash -370742344, now seen corresponding path program 1 times [2023-11-19 05:08:54,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:08:54,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1072008932] [2023-11-19 05:08:54,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:08:54,162 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:08:54,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:08:54,163 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:08:54,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-19 05:08:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:08:54,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 05:08:54,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:08:54,811 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 [2023-11-19 05:08:55,160 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 80 treesize of output 34 [2023-11-19 05:08:55,318 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 80 treesize of output 34 [2023-11-19 05:08:55,515 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 75 treesize of output 44 [2023-11-19 05:08:55,938 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:08:55,939 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 47 [2023-11-19 05:08:56,063 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:08:56,064 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 98 treesize of output 38 [2023-11-19 05:08:56,142 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-11-19 05:08:56,142 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:08:56,143 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:08:56,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1072008932] [2023-11-19 05:08:56,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1072008932] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:08:56,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:08:56,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-19 05:08:56,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967377292] [2023-11-19 05:08:56,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:08:56,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 05:08:56,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:08:56,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 05:08:56,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-19 05:08:56,147 INFO L87 Difference]: Start difference. First operand 131 states and 183 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-19 05:08:59,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:08:59,851 INFO L93 Difference]: Finished difference Result 392 states and 547 transitions. [2023-11-19 05:08:59,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-19 05:08:59,852 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 149 [2023-11-19 05:08:59,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:08:59,855 INFO L225 Difference]: With dead ends: 392 [2023-11-19 05:08:59,856 INFO L226 Difference]: Without dead ends: 264 [2023-11-19 05:08:59,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2023-11-19 05:08:59,857 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 362 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 1017 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 1036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-19 05:08:59,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 449 Invalid, 1036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1017 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-19 05:08:59,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2023-11-19 05:08:59,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 257. [2023-11-19 05:08:59,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 213 states have (on average 1.3427230046948357) internal successors, (286), 214 states have internal predecessors, (286), 36 states have call successors, (36), 7 states have call predecessors, (36), 7 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-19 05:08:59,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 358 transitions. [2023-11-19 05:08:59,896 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 358 transitions. Word has length 149 [2023-11-19 05:08:59,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:08:59,897 INFO L495 AbstractCegarLoop]: Abstraction has 257 states and 358 transitions. [2023-11-19 05:08:59,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-19 05:08:59,897 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 358 transitions. [2023-11-19 05:08:59,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-19 05:08:59,900 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:08:59,900 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:08:59,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -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)] Forceful destruction successful, exit code 0 [2023-11-19 05:09:00,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:09:00,110 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:09:00,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:09:00,116 INFO L85 PathProgramCache]: Analyzing trace with hash 2118786618, now seen corresponding path program 1 times [2023-11-19 05:09:00,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:09:00,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [646812672] [2023-11-19 05:09:00,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:09:00,120 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:09:00,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:09:00,124 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:09:00,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -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 [2023-11-19 05:09:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:09:00,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 05:09:00,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:09:00,689 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 19 treesize of output 1 [2023-11-19 05:09:00,695 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 19 treesize of output 1 [2023-11-19 05:09:00,700 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 19 treesize of output 1 [2023-11-19 05:09:00,705 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 19 treesize of output 1 [2023-11-19 05:09:00,709 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 19 treesize of output 1 [2023-11-19 05:09:00,714 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 19 treesize of output 1 [2023-11-19 05:09:00,718 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 19 treesize of output 1 [2023-11-19 05:09:00,723 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 19 treesize of output 1 [2023-11-19 05:09:00,728 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 14 treesize of output 10 [2023-11-19 05:09:00,843 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 30 treesize of output 14 [2023-11-19 05:09:01,009 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:09:01,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2023-11-19 05:09:01,072 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:09:01,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2023-11-19 05:09:01,101 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:09:01,102 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 21 [2023-11-19 05:09:01,147 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2023-11-19 05:09:01,147 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:09:01,147 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:09:01,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [646812672] [2023-11-19 05:09:01,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [646812672] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:09:01,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:09:01,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 05:09:01,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424429478] [2023-11-19 05:09:01,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:09:01,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 05:09:01,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:09:01,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 05:09:01,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:09:01,150 INFO L87 Difference]: Start difference. First operand 257 states and 358 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-19 05:09:03,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:09:03,216 INFO L93 Difference]: Finished difference Result 687 states and 965 transitions. [2023-11-19 05:09:03,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-19 05:09:03,217 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 149 [2023-11-19 05:09:03,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:09:03,222 INFO L225 Difference]: With dead ends: 687 [2023-11-19 05:09:03,222 INFO L226 Difference]: Without dead ends: 433 [2023-11-19 05:09:03,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-19 05:09:03,224 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 331 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-19 05:09:03,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 363 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-19 05:09:03,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2023-11-19 05:09:03,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 375. [2023-11-19 05:09:03,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 325 states have (on average 1.363076923076923) internal successors, (443), 328 states have internal predecessors, (443), 40 states have call successors, (40), 9 states have call predecessors, (40), 9 states have return successors, (40), 37 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-19 05:09:03,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 523 transitions. [2023-11-19 05:09:03,265 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 523 transitions. Word has length 149 [2023-11-19 05:09:03,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:09:03,265 INFO L495 AbstractCegarLoop]: Abstraction has 375 states and 523 transitions. [2023-11-19 05:09:03,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-19 05:09:03,266 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 523 transitions. [2023-11-19 05:09:03,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-19 05:09:03,268 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:09:03,269 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:09:03,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -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)] Forceful destruction successful, exit code 0 [2023-11-19 05:09:03,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:09:03,477 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:09:03,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:09:03,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1833027423, now seen corresponding path program 1 times [2023-11-19 05:09:03,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:09:03,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [799756688] [2023-11-19 05:09:03,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:09:03,479 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:09:03,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:09:03,480 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:09:03,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d5735c-86a5-4c75-b716-f792ee653da0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-11-19 05:09:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:09:04,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-19 05:09:04,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:09:04,037 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 19 treesize of output 1 [2023-11-19 05:09:04,042 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 14 treesize of output 10 [2023-11-19 05:09:04,121 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 30 treesize of output 14 [2023-11-19 05:09:04,201 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 30 treesize of output 14 [2023-11-19 05:09:04,256 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 30 treesize of output 14 [2023-11-19 05:09:04,308 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 30 treesize of output 14 [2023-11-19 05:09:04,348 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 30 treesize of output 14 [2023-11-19 05:09:04,387 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 25 treesize of output 24 [2023-11-19 05:09:04,515 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:09:04,516 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 37 [2023-11-19 05:09:04,717 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:09:04,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40