./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-15.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91 --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 9e676a9bb9259ddb9063c9a4fa6515c5445e4b4dd1533585e7d2db7e7d77e030 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:52:25,373 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:52:25,486 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:52:25,494 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:52:25,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:52:25,537 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:52:25,537 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:52:25,538 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:52:25,539 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:52:25,544 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:52:25,545 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:52:25,545 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:52:25,546 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:52:25,547 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:52:25,548 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:52:25,548 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:52:25,549 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:52:25,549 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:52:25,550 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:52:25,550 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:52:25,552 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:52:25,553 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:52:25,554 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:52:25,555 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:52:25,555 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:52:25,556 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:52:25,556 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:52:25,557 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:52:25,557 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:52:25,558 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:52:25,559 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:52:25,559 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:52:25,560 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:52:25,560 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:52:25,561 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:52:25,561 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:52:25,561 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:52:25,562 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:52:25,562 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:52:25,562 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:52:25,563 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:52:25,563 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:52:25,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:52:25,564 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:52:25,564 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:52:25,565 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:52:25,565 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:52:25,565 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_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e676a9bb9259ddb9063c9a4fa6515c5445e4b4dd1533585e7d2db7e7d77e030 [2023-11-24 23:52:25,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:52:25,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:52:25,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:52:25,916 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:52:25,917 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:52:25,919 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-15.i [2023-11-24 23:52:29,143 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:52:29,404 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:52:29,409 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-15.i [2023-11-24 23:52:29,425 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/data/8668d8791/f32df387bc8145b189c4fabfbe03117a/FLAGa8757aa34 [2023-11-24 23:52:29,440 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/data/8668d8791/f32df387bc8145b189c4fabfbe03117a [2023-11-24 23:52:29,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:52:29,444 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:52:29,445 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:52:29,446 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:52:29,451 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:52:29,452 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:52:29" (1/1) ... [2023-11-24 23:52:29,452 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ed1e9d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:29, skipping insertion in model container [2023-11-24 23:52:29,453 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:52:29" (1/1) ... [2023-11-24 23:52:29,505 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:52:29,665 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_087d6029-e1de-41f9-8c6b-4e323efb5c79/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-15.i[916,929] [2023-11-24 23:52:29,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:52:29,735 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:52:29,749 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_087d6029-e1de-41f9-8c6b-4e323efb5c79/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-15.i[916,929] [2023-11-24 23:52:29,799 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:52:29,836 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:52:29,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:29 WrapperNode [2023-11-24 23:52:29,836 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:52:29,838 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:52:29,838 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:52:29,838 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:52:29,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:29" (1/1) ... [2023-11-24 23:52:29,859 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:29" (1/1) ... [2023-11-24 23:52:29,920 INFO L138 Inliner]: procedures = 29, calls = 151, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 438 [2023-11-24 23:52:29,921 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:52:29,921 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:52:29,921 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:52:29,922 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:52:29,932 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:29" (1/1) ... [2023-11-24 23:52:29,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:29" (1/1) ... [2023-11-24 23:52:29,940 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:29" (1/1) ... [2023-11-24 23:52:29,941 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:29" (1/1) ... [2023-11-24 23:52:29,966 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:29" (1/1) ... [2023-11-24 23:52:29,971 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:29" (1/1) ... [2023-11-24 23:52:29,976 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:29" (1/1) ... [2023-11-24 23:52:29,978 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:29" (1/1) ... [2023-11-24 23:52:29,985 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:52:29,986 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:52:29,986 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:52:29,986 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:52:29,987 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:29" (1/1) ... [2023-11-24 23:52:29,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:52:30,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:52:30,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:52:30,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:52:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:52:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-24 23:52:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:52:30,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-24 23:52:30,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:52:30,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-24 23:52:30,091 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:52:30,091 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:52:30,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:52:30,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:52:30,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:52:30,263 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:52:30,265 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:52:30,814 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:52:31,502 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:52:31,502 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:52:31,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:52:31 BoogieIcfgContainer [2023-11-24 23:52:31,506 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:52:31,510 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:52:31,510 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:52:31,514 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:52:31,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:52:29" (1/3) ... [2023-11-24 23:52:31,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728c8e7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:52:31, skipping insertion in model container [2023-11-24 23:52:31,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:29" (2/3) ... [2023-11-24 23:52:31,518 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728c8e7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:52:31, skipping insertion in model container [2023-11-24 23:52:31,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:52:31" (3/3) ... [2023-11-24 23:52:31,520 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-15.i [2023-11-24 23:52:31,537 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:52:31,538 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:52:31,583 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:52:31,590 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;@a500633, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:52:31,590 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:52:31,594 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-24 23:52:31,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-24 23:52:31,604 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:52:31,605 INFO L195 NwaCegarLoop]: trace histogram [12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:52:31,605 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:52:31,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:52:31,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1290143390, now seen corresponding path program 1 times [2023-11-24 23:52:31,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:52:31,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525607378] [2023-11-24 23:52:31,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:52:31,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:52:33,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:52:33,802 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:52:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:52:34,509 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:52:34,511 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:52:34,512 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:52:34,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:52:34,521 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:52:34,531 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:52:34,578 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-24 23:52:34,581 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-24 23:52:34,582 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-24 23:52:34,582 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-24 23:52:34,583 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-24 23:52:34,584 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-24 23:52:34,585 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-24 23:52:34,585 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-24 23:52:34,585 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-24 23:52:34,586 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-24 23:52:34,586 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-24 23:52:34,587 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-24 23:52:34,588 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-24 23:52:34,589 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-24 23:52:34,590 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-24 23:52:34,592 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-24 23:52:34,592 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated [2023-11-24 23:52:34,598 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-24 23:52:34,598 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-24 23:52:34,599 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-24 23:52:34,599 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-24 23:52:34,599 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated [2023-11-24 23:52:34,599 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated [2023-11-24 23:52:34,600 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated [2023-11-24 23:52:34,600 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated [2023-11-24 23:52:34,600 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-24 23:52:34,600 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-24 23:52:34,601 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-24 23:52:34,602 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-24 23:52:34,602 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated [2023-11-24 23:52:34,602 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated [2023-11-24 23:52:34,603 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated [2023-11-24 23:52:34,603 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-24 23:52:34,604 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-24 23:52:34,604 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-24 23:52:34,604 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-24 23:52:34,604 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short65 could not be translated [2023-11-24 23:52:34,605 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-24 23:52:34,605 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated [2023-11-24 23:52:34,606 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-24 23:52:34,606 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated [2023-11-24 23:52:34,606 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short65 could not be translated [2023-11-24 23:52:34,606 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-24 23:52:34,607 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-24 23:52:34,608 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-24 23:52:34,608 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated [2023-11-24 23:52:34,609 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-24 23:52:34,609 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-24 23:52:34,609 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short73 could not be translated [2023-11-24 23:52:34,609 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated [2023-11-24 23:52:34,609 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-24 23:52:34,610 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-24 23:52:34,610 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-24 23:52:34,611 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated [2023-11-24 23:52:34,611 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-24 23:52:34,611 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short73 could not be translated [2023-11-24 23:52:34,611 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated [2023-11-24 23:52:34,611 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-24 23:52:34,612 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated [2023-11-24 23:52:34,613 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-24 23:52:34,613 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-24 23:52:34,613 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-24 23:52:34,613 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-24 23:52:34,614 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated [2023-11-24 23:52:34,615 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-24 23:52:34,615 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated [2023-11-24 23:52:34,615 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-24 23:52:34,615 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-24 23:52:34,616 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-24 23:52:34,616 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-24 23:52:34,616 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-24 23:52:34,616 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated [2023-11-24 23:52:34,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:52:34 BoogieIcfgContainer [2023-11-24 23:52:34,652 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:52:34,654 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:52:34,654 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:52:34,655 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:52:34,656 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:52:31" (3/4) ... [2023-11-24 23:52:34,658 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:52:34,660 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:52:34,662 INFO L158 Benchmark]: Toolchain (without parser) took 5217.66ms. Allocated memory was 184.5MB in the beginning and 260.0MB in the end (delta: 75.5MB). Free memory was 142.1MB in the beginning and 158.8MB in the end (delta: -16.7MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. [2023-11-24 23:52:34,663 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 121.6MB. Free memory was 67.2MB in the beginning and 67.1MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:52:34,664 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.55ms. Allocated memory is still 184.5MB. Free memory was 142.1MB in the beginning and 126.3MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:52:34,665 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.05ms. Allocated memory is still 184.5MB. Free memory was 126.3MB in the beginning and 122.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:52:34,671 INFO L158 Benchmark]: Boogie Preprocessor took 63.94ms. Allocated memory is still 184.5MB. Free memory was 122.7MB in the beginning and 119.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:52:34,672 INFO L158 Benchmark]: RCFGBuilder took 1520.37ms. Allocated memory is still 184.5MB. Free memory was 119.5MB in the beginning and 135.0MB in the end (delta: -15.4MB). Peak memory consumption was 62.7MB. Max. memory is 16.1GB. [2023-11-24 23:52:34,673 INFO L158 Benchmark]: TraceAbstraction took 3142.18ms. Allocated memory was 184.5MB in the beginning and 260.0MB in the end (delta: 75.5MB). Free memory was 133.9MB in the beginning and 159.8MB in the end (delta: -25.9MB). Peak memory consumption was 130.5MB. Max. memory is 16.1GB. [2023-11-24 23:52:34,674 INFO L158 Benchmark]: Witness Printer took 6.59ms. Allocated memory is still 260.0MB. Free memory was 159.8MB in the beginning and 158.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:52:34,682 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 121.6MB. Free memory was 67.2MB in the beginning and 67.1MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 391.55ms. Allocated memory is still 184.5MB. Free memory was 142.1MB in the beginning and 126.3MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.05ms. Allocated memory is still 184.5MB. Free memory was 126.3MB in the beginning and 122.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.94ms. Allocated memory is still 184.5MB. Free memory was 122.7MB in the beginning and 119.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1520.37ms. Allocated memory is still 184.5MB. Free memory was 119.5MB in the beginning and 135.0MB in the end (delta: -15.4MB). Peak memory consumption was 62.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3142.18ms. Allocated memory was 184.5MB in the beginning and 260.0MB in the end (delta: 75.5MB). Free memory was 133.9MB in the beginning and 159.8MB in the end (delta: -25.9MB). Peak memory consumption was 130.5MB. Max. memory is 16.1GB. * Witness Printer took 6.59ms. Allocated memory is still 260.0MB. Free memory was 159.8MB in the beginning and 158.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - 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~short61 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~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 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~short60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 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~short73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 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~short84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 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~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 79, overapproximation of someBinaryArithmeticDOUBLEoperation at line 77. Possible FailurePath: [L36] unsigned char isInitial = 0; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { -128, 1, 1, 8, 1, 1885310857, -10, 32.6, 9.75, 5.1, 128.1, 63.9 }; [L51] signed long int last_1_WrapperStruct00_var_1_10 = -10; [L112] isInitial = 1 [L113] FCALL initially() [L114] COND TRUE 1 [L115] CALL updateLastVariables() [L105] EXPR WrapperStruct00.var_1_10 [L105] last_1_WrapperStruct00_var_1_10 = WrapperStruct00.var_1_10 [L115] RET updateLastVariables() [L116] CALL updateVariables() [L83] WrapperStruct00.var_1_2 = __VERIFIER_nondet_uchar() [L84] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L84] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L85] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L85] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L86] WrapperStruct00.var_1_6 = __VERIFIER_nondet_uchar() [L87] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L87] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L88] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L88] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L89] WrapperStruct00.var_1_7 = __VERIFIER_nondet_char() [L90] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L90] CALL assume_abort_if_not(WrapperStruct00.var_1_7 >= -127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(WrapperStruct00.var_1_7 >= -127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L91] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L91] CALL assume_abort_if_not(WrapperStruct00.var_1_7 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(WrapperStruct00.var_1_7 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L92] WrapperStruct00.var_1_9 = __VERIFIER_nondet_ulong() [L93] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_9 >= 1073741824) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(WrapperStruct00.var_1_9 >= 1073741824) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L94] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_9 <= 2147483647) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(WrapperStruct00.var_1_9 <= 2147483647) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L95] WrapperStruct00.var_1_12 = __VERIFIER_nondet_double() [L96] EXPR WrapperStruct00.var_1_12 [L96] EXPR WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F [L96] EXPR WrapperStruct00.var_1_12 [L96] EXPR WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F [L96] EXPR (WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L96] CALL assume_abort_if_not((WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not((WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L97] WrapperStruct00.var_1_13 = __VERIFIER_nondet_double() [L98] EXPR WrapperStruct00.var_1_13 [L98] EXPR WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F [L98] EXPR WrapperStruct00.var_1_13 [L98] EXPR WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F [L98] EXPR (WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L98] CALL assume_abort_if_not((WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not((WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L99] WrapperStruct00.var_1_14 = __VERIFIER_nondet_double() [L100] EXPR WrapperStruct00.var_1_14 [L100] EXPR WrapperStruct00.var_1_14 >= 0.0F && WrapperStruct00.var_1_14 <= -1.0e-20F [L100] EXPR (WrapperStruct00.var_1_14 >= 0.0F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F ) [L100] EXPR WrapperStruct00.var_1_14 [L100] EXPR WrapperStruct00.var_1_14 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F [L100] EXPR WrapperStruct00.var_1_14 [L100] EXPR WrapperStruct00.var_1_14 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F [L100] EXPR (WrapperStruct00.var_1_14 >= 0.0F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L100] CALL assume_abort_if_not((WrapperStruct00.var_1_14 >= 0.0F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not((WrapperStruct00.var_1_14 >= 0.0F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L101] WrapperStruct00.var_1_15 = __VERIFIER_nondet_double() [L102] EXPR WrapperStruct00.var_1_15 [L102] EXPR WrapperStruct00.var_1_15 >= 0.0F && WrapperStruct00.var_1_15 <= -1.0e-20F [L102] EXPR (WrapperStruct00.var_1_15 >= 0.0F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F ) [L102] EXPR WrapperStruct00.var_1_15 [L102] EXPR WrapperStruct00.var_1_15 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F [L102] EXPR WrapperStruct00.var_1_15 [L102] EXPR WrapperStruct00.var_1_15 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F [L102] EXPR (WrapperStruct00.var_1_15 >= 0.0F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L102] CALL assume_abort_if_not((WrapperStruct00.var_1_15 >= 0.0F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not((WrapperStruct00.var_1_15 >= 0.0F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L116] RET updateVariables() [L117] CALL step() [L55] WrapperStruct00.var_1_2 [L55] COND FALSE !(WrapperStruct00.var_1_2) [L58] EXPR WrapperStruct00.var_1_9 [L58] EXPR ((last_1_WrapperStruct00_var_1_10) > (WrapperStruct00.var_1_9)) ? (last_1_WrapperStruct00_var_1_10) : (WrapperStruct00.var_1_9) [L58] WrapperStruct00.var_1_8 = ((((last_1_WrapperStruct00_var_1_10) > (WrapperStruct00.var_1_9)) ? (last_1_WrapperStruct00_var_1_10) : (WrapperStruct00.var_1_9))) [L60] WrapperStruct00.var_1_2 [L60] COND FALSE !(WrapperStruct00.var_1_2) [L63] EXPR WrapperStruct00.var_1_2 [L63] unsigned char stepLocal_1 = WrapperStruct00.var_1_2; [L64] EXPR WrapperStruct00.var_1_10 [L64] signed long int stepLocal_0 = WrapperStruct00.var_1_10; [L65] stepLocal_1 || ((~ WrapperStruct00.var_1_10) >= WrapperStruct00.var_1_10) [L65] EXPR WrapperStruct00.var_1_10 [L65] EXPR WrapperStruct00.var_1_10 [L65] stepLocal_1 || ((~ WrapperStruct00.var_1_10) >= WrapperStruct00.var_1_10) [L65] COND TRUE stepLocal_1 || ((~ WrapperStruct00.var_1_10) >= WrapperStruct00.var_1_10) [L66] EXPR WrapperStruct00.var_1_8 [L66] COND FALSE !(stepLocal_0 < WrapperStruct00.var_1_8) [L71] WrapperStruct00.var_1_1 = 2 [L76] EXPR WrapperStruct00.var_1_1 [L76] EXPR WrapperStruct00.var_1_1 [L76] COND TRUE WrapperStruct00.var_1_1 >= WrapperStruct00.var_1_1 [L77] EXPR WrapperStruct00.var_1_12 [L77] EXPR WrapperStruct00.var_1_13 [L77] EXPR WrapperStruct00.var_1_14 [L77] EXPR WrapperStruct00.var_1_15 [L77] EXPR (((WrapperStruct00.var_1_13 + WrapperStruct00.var_1_14)) > (WrapperStruct00.var_1_15)) ? ((WrapperStruct00.var_1_13 + WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_15) [L77] EXPR WrapperStruct00.var_1_15 [L77] EXPR (((WrapperStruct00.var_1_13 + WrapperStruct00.var_1_14)) > (WrapperStruct00.var_1_15)) ? ((WrapperStruct00.var_1_13 + WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_15) [L77] WrapperStruct00.var_1_11 = (WrapperStruct00.var_1_12 - (((((WrapperStruct00.var_1_13 + WrapperStruct00.var_1_14)) > (WrapperStruct00.var_1_15)) ? ((WrapperStruct00.var_1_13 + WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_15)))) [L117] RET step() [L118] CALL, EXPR property() [L108] EXPR WrapperStruct00.var_1_2 [L108] EXPR WrapperStruct00.var_1_2 || ((~ WrapperStruct00.var_1_10) >= WrapperStruct00.var_1_10) [L108] EXPR WrapperStruct00.var_1_10 [L108] EXPR WrapperStruct00.var_1_10 [L108] EXPR WrapperStruct00.var_1_2 || ((~ WrapperStruct00.var_1_10) >= WrapperStruct00.var_1_10) [L108] EXPR (WrapperStruct00.var_1_2 || ((~ WrapperStruct00.var_1_10) >= WrapperStruct00.var_1_10)) ? ((WrapperStruct00.var_1_10 < WrapperStruct00.var_1_8) ? ((! WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed char) 2))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_7)) [L108] EXPR WrapperStruct00.var_1_10 [L108] EXPR WrapperStruct00.var_1_8 [L108] EXPR (WrapperStruct00.var_1_10 < WrapperStruct00.var_1_8) ? ((! WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed char) 2)) [L108] EXPR WrapperStruct00.var_1_1 [L108] EXPR (WrapperStruct00.var_1_10 < WrapperStruct00.var_1_8) ? ((! WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed char) 2)) [L108] EXPR (WrapperStruct00.var_1_2 || ((~ WrapperStruct00.var_1_10) >= WrapperStruct00.var_1_10)) ? ((WrapperStruct00.var_1_10 < WrapperStruct00.var_1_8) ? ((! WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed char) 2))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_7)) [L108] EXPR ((WrapperStruct00.var_1_2 || ((~ WrapperStruct00.var_1_10) >= WrapperStruct00.var_1_10)) ? ((WrapperStruct00.var_1_10 < WrapperStruct00.var_1_8) ? ((! WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed char) 2))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_7))) && (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_8 == ((unsigned long int) ((1514707036u + ((((WrapperStruct00.var_1_9) < 0 ) ? -(WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_9)))) - last_1_WrapperStruct00_var_1_10))) : (WrapperStruct00.var_1_8 == ((unsigned long int) ((((last_1_WrapperStruct00_var_1_10) > (WrapperStruct00.var_1_9)) ? (last_1_WrapperStruct00_var_1_10) : (WrapperStruct00.var_1_9)))))) [L108] EXPR WrapperStruct00.var_1_2 [L108] EXPR WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_8 == ((unsigned long int) ((1514707036u + ((((WrapperStruct00.var_1_9) < 0 ) ? -(WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_9)))) - last_1_WrapperStruct00_var_1_10))) : (WrapperStruct00.var_1_8 == ((unsigned long int) ((((last_1_WrapperStruct00_var_1_10) > (WrapperStruct00.var_1_9)) ? (last_1_WrapperStruct00_var_1_10) : (WrapperStruct00.var_1_9))))) [L108] EXPR WrapperStruct00.var_1_8 [L108] EXPR WrapperStruct00.var_1_9 [L108] EXPR ((last_1_WrapperStruct00_var_1_10) > (WrapperStruct00.var_1_9)) ? (last_1_WrapperStruct00_var_1_10) : (WrapperStruct00.var_1_9) [L108] EXPR WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_8 == ((unsigned long int) ((1514707036u + ((((WrapperStruct00.var_1_9) < 0 ) ? -(WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_9)))) - last_1_WrapperStruct00_var_1_10))) : (WrapperStruct00.var_1_8 == ((unsigned long int) ((((last_1_WrapperStruct00_var_1_10) > (WrapperStruct00.var_1_9)) ? (last_1_WrapperStruct00_var_1_10) : (WrapperStruct00.var_1_9))))) [L108] EXPR ((WrapperStruct00.var_1_2 || ((~ WrapperStruct00.var_1_10) >= WrapperStruct00.var_1_10)) ? ((WrapperStruct00.var_1_10 < WrapperStruct00.var_1_8) ? ((! WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed char) 2))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_7))) && (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_8 == ((unsigned long int) ((1514707036u + ((((WrapperStruct00.var_1_9) < 0 ) ? -(WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_9)))) - last_1_WrapperStruct00_var_1_10))) : (WrapperStruct00.var_1_8 == ((unsigned long int) ((((last_1_WrapperStruct00_var_1_10) > (WrapperStruct00.var_1_9)) ? (last_1_WrapperStruct00_var_1_10) : (WrapperStruct00.var_1_9)))))) [L108] EXPR (((WrapperStruct00.var_1_2 || ((~ WrapperStruct00.var_1_10) >= WrapperStruct00.var_1_10)) ? ((WrapperStruct00.var_1_10 < WrapperStruct00.var_1_8) ? ((! WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed char) 2))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_7))) && (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_8 == ((unsigned long int) ((1514707036u + ((((WrapperStruct00.var_1_9) < 0 ) ? -(WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_9)))) - last_1_WrapperStruct00_var_1_10))) : (WrapperStruct00.var_1_8 == ((unsigned long int) ((((last_1_WrapperStruct00_var_1_10) > (WrapperStruct00.var_1_9)) ? (last_1_WrapperStruct00_var_1_10) : (WrapperStruct00.var_1_9))))))) && (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_10 == ((signed long int) (WrapperStruct00.var_1_8 + ((((WrapperStruct00.var_1_7) < 0 ) ? -(WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_7)))))) : 1) [L108] EXPR WrapperStruct00.var_1_2 [L108] EXPR WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_10 == ((signed long int) (WrapperStruct00.var_1_8 + ((((WrapperStruct00.var_1_7) < 0 ) ? -(WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_7)))))) : 1 [L108] EXPR (((WrapperStruct00.var_1_2 || ((~ WrapperStruct00.var_1_10) >= WrapperStruct00.var_1_10)) ? ((WrapperStruct00.var_1_10 < WrapperStruct00.var_1_8) ? ((! WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed char) 2))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_7))) && (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_8 == ((unsigned long int) ((1514707036u + ((((WrapperStruct00.var_1_9) < 0 ) ? -(WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_9)))) - last_1_WrapperStruct00_var_1_10))) : (WrapperStruct00.var_1_8 == ((unsigned long int) ((((last_1_WrapperStruct00_var_1_10) > (WrapperStruct00.var_1_9)) ? (last_1_WrapperStruct00_var_1_10) : (WrapperStruct00.var_1_9))))))) && (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_10 == ((signed long int) (WrapperStruct00.var_1_8 + ((((WrapperStruct00.var_1_7) < 0 ) ? -(WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_7)))))) : 1) [L108] EXPR ((((WrapperStruct00.var_1_2 || ((~ WrapperStruct00.var_1_10) >= WrapperStruct00.var_1_10)) ? ((WrapperStruct00.var_1_10 < WrapperStruct00.var_1_8) ? ((! WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed char) 2))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_7))) && (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_8 == ((unsigned long int) ((1514707036u + ((((WrapperStruct00.var_1_9) < 0 ) ? -(WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_9)))) - last_1_WrapperStruct00_var_1_10))) : (WrapperStruct00.var_1_8 == ((unsigned long int) ((((last_1_WrapperStruct00_var_1_10) > (WrapperStruct00.var_1_9)) ? (last_1_WrapperStruct00_var_1_10) : (WrapperStruct00.var_1_9))))))) && (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_10 == ((signed long int) (WrapperStruct00.var_1_8 + ((((WrapperStruct00.var_1_7) < 0 ) ? -(WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_7)))))) : 1)) && ((WrapperStruct00.var_1_1 >= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_11 == ((double) (WrapperStruct00.var_1_12 - (((((WrapperStruct00.var_1_13 + WrapperStruct00.var_1_14)) > (WrapperStruct00.var_1_15)) ? ((WrapperStruct00.var_1_13 + WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_15)))))) : (WrapperStruct00.var_1_11 == ((double) ((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_13)))))) [L108] EXPR WrapperStruct00.var_1_1 [L108] EXPR WrapperStruct00.var_1_1 [L108] EXPR (WrapperStruct00.var_1_1 >= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_11 == ((double) (WrapperStruct00.var_1_12 - (((((WrapperStruct00.var_1_13 + WrapperStruct00.var_1_14)) > (WrapperStruct00.var_1_15)) ? ((WrapperStruct00.var_1_13 + WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_15)))))) : (WrapperStruct00.var_1_11 == ((double) ((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_13))))) [L108] EXPR WrapperStruct00.var_1_11 [L108] EXPR WrapperStruct00.var_1_12 [L108] EXPR WrapperStruct00.var_1_13 [L108] EXPR WrapperStruct00.var_1_14 [L108] EXPR WrapperStruct00.var_1_15 [L108] EXPR (((WrapperStruct00.var_1_13 + WrapperStruct00.var_1_14)) > (WrapperStruct00.var_1_15)) ? ((WrapperStruct00.var_1_13 + WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_15) [L108] EXPR WrapperStruct00.var_1_13 [L108] EXPR WrapperStruct00.var_1_14 [L108] EXPR (((WrapperStruct00.var_1_13 + WrapperStruct00.var_1_14)) > (WrapperStruct00.var_1_15)) ? ((WrapperStruct00.var_1_13 + WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_15) [L108] EXPR (WrapperStruct00.var_1_1 >= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_11 == ((double) (WrapperStruct00.var_1_12 - (((((WrapperStruct00.var_1_13 + WrapperStruct00.var_1_14)) > (WrapperStruct00.var_1_15)) ? ((WrapperStruct00.var_1_13 + WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_15)))))) : (WrapperStruct00.var_1_11 == ((double) ((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_13))))) [L108] EXPR ((((WrapperStruct00.var_1_2 || ((~ WrapperStruct00.var_1_10) >= WrapperStruct00.var_1_10)) ? ((WrapperStruct00.var_1_10 < WrapperStruct00.var_1_8) ? ((! WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed char) 2))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_7))) && (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_8 == ((unsigned long int) ((1514707036u + ((((WrapperStruct00.var_1_9) < 0 ) ? -(WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_9)))) - last_1_WrapperStruct00_var_1_10))) : (WrapperStruct00.var_1_8 == ((unsigned long int) ((((last_1_WrapperStruct00_var_1_10) > (WrapperStruct00.var_1_9)) ? (last_1_WrapperStruct00_var_1_10) : (WrapperStruct00.var_1_9))))))) && (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_10 == ((signed long int) (WrapperStruct00.var_1_8 + ((((WrapperStruct00.var_1_7) < 0 ) ? -(WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_7)))))) : 1)) && ((WrapperStruct00.var_1_1 >= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_11 == ((double) (WrapperStruct00.var_1_12 - (((((WrapperStruct00.var_1_13 + WrapperStruct00.var_1_14)) > (WrapperStruct00.var_1_15)) ? ((WrapperStruct00.var_1_13 + WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_15)))))) : (WrapperStruct00.var_1_11 == ((double) ((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_13)))))) [L108-L109] return ((((WrapperStruct00.var_1_2 || ((~ WrapperStruct00.var_1_10) >= WrapperStruct00.var_1_10)) ? ((WrapperStruct00.var_1_10 < WrapperStruct00.var_1_8) ? ((! WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed char) 2))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_7))) && (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_8 == ((unsigned long int) ((1514707036u + ((((WrapperStruct00.var_1_9) < 0 ) ? -(WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_9)))) - last_1_WrapperStruct00_var_1_10))) : (WrapperStruct00.var_1_8 == ((unsigned long int) ((((last_1_WrapperStruct00_var_1_10) > (WrapperStruct00.var_1_9)) ? (last_1_WrapperStruct00_var_1_10) : (WrapperStruct00.var_1_9))))))) && (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_10 == ((signed long int) (WrapperStruct00.var_1_8 + ((((WrapperStruct00.var_1_7) < 0 ) ? -(WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_7)))))) : 1)) && ((WrapperStruct00.var_1_1 >= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_11 == ((double) (WrapperStruct00.var_1_12 - (((((WrapperStruct00.var_1_13 + WrapperStruct00.var_1_14)) > (WrapperStruct00.var_1_15)) ? ((WrapperStruct00.var_1_13 + WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_15)))))) : (WrapperStruct00.var_1_11 == ((double) ((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_13)))))) ; [L118] RET, EXPR property() [L118] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_10=-10] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 1, TraceHistogramMax: 12, 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=33occurred 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, 2.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 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 [2023-11-24 23:52:34,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/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_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91 --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 9e676a9bb9259ddb9063c9a4fa6515c5445e4b4dd1533585e7d2db7e7d77e030 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:52:37,423 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:52:37,548 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:52:37,558 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:52:37,559 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:52:37,609 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:52:37,610 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:52:37,610 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:52:37,612 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:52:37,617 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:52:37,617 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:52:37,618 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:52:37,618 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:52:37,620 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:52:37,621 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:52:37,621 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:52:37,622 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:52:37,623 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:52:37,624 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:52:37,625 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:52:37,625 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:52:37,626 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:52:37,626 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:52:37,627 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:52:37,627 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:52:37,628 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:52:37,628 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:52:37,629 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:52:37,629 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:52:37,630 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:52:37,631 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:52:37,632 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:52:37,632 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:52:37,633 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:52:37,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:52:37,633 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:52:37,634 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:52:37,634 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:52:37,634 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:52:37,635 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:52:37,636 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:52:37,636 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:52:37,637 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:52:37,637 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:52:37,638 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_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e676a9bb9259ddb9063c9a4fa6515c5445e4b4dd1533585e7d2db7e7d77e030 [2023-11-24 23:52:38,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:52:38,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:52:38,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:52:38,070 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:52:38,070 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:52:38,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-15.i [2023-11-24 23:52:41,281 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:52:41,527 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:52:41,527 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-15.i [2023-11-24 23:52:41,541 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/data/0a7b99944/de18c99ded3a4d7f96b24d0dfe9a5f08/FLAGf3c498d13 [2023-11-24 23:52:41,557 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/data/0a7b99944/de18c99ded3a4d7f96b24d0dfe9a5f08 [2023-11-24 23:52:41,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:52:41,564 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:52:41,568 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:52:41,568 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:52:41,574 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:52:41,574 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:52:41" (1/1) ... [2023-11-24 23:52:41,575 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e6c3f5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:41, skipping insertion in model container [2023-11-24 23:52:41,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:52:41" (1/1) ... [2023-11-24 23:52:41,608 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:52:41,764 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_087d6029-e1de-41f9-8c6b-4e323efb5c79/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-15.i[916,929] [2023-11-24 23:52:41,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:52:41,851 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:52:41,869 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_087d6029-e1de-41f9-8c6b-4e323efb5c79/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-15.i[916,929] [2023-11-24 23:52:41,962 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:52:41,991 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:52:41,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:41 WrapperNode [2023-11-24 23:52:41,992 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:52:41,993 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:52:41,993 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:52:41,994 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:52:42,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:41" (1/1) ... [2023-11-24 23:52:42,031 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:41" (1/1) ... [2023-11-24 23:52:42,095 INFO L138 Inliner]: procedures = 33, calls = 151, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 437 [2023-11-24 23:52:42,095 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:52:42,097 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:52:42,097 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:52:42,097 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:52:42,107 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:41" (1/1) ... [2023-11-24 23:52:42,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:41" (1/1) ... [2023-11-24 23:52:42,129 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:41" (1/1) ... [2023-11-24 23:52:42,141 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:41" (1/1) ... [2023-11-24 23:52:42,192 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:41" (1/1) ... [2023-11-24 23:52:42,198 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:41" (1/1) ... [2023-11-24 23:52:42,201 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:41" (1/1) ... [2023-11-24 23:52:42,205 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:41" (1/1) ... [2023-11-24 23:52:42,212 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:52:42,213 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:52:42,213 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:52:42,213 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:52:42,214 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:41" (1/1) ... [2023-11-24 23:52:42,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:52:42,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:52:42,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:52:42,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:52:42,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:52:42,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-24 23:52:42,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-24 23:52:42,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-24 23:52:42,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:52:42,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-24 23:52:42,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-24 23:52:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:52:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:52:42,326 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:52:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:52:42,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:52:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-24 23:52:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:52:42,470 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:52:42,473 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:52:44,508 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:52:44,556 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:52:44,557 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:52:44,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:52:44 BoogieIcfgContainer [2023-11-24 23:52:44,558 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:52:44,561 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:52:44,562 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:52:44,565 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:52:44,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:52:41" (1/3) ... [2023-11-24 23:52:44,567 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e75d1de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:52:44, skipping insertion in model container [2023-11-24 23:52:44,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:41" (2/3) ... [2023-11-24 23:52:44,569 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e75d1de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:52:44, skipping insertion in model container [2023-11-24 23:52:44,569 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:52:44" (3/3) ... [2023-11-24 23:52:44,572 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-15.i [2023-11-24 23:52:44,593 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:52:44,594 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:52:44,673 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:52:44,681 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;@1837eddb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:52:44,681 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:52:44,691 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 91 states have (on average 1.4835164835164836) internal successors, (135), 92 states have internal predecessors, (135), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-24 23:52:44,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-24 23:52:44,717 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:52:44,718 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:52:44,719 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:52:44,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:52:44,729 INFO L85 PathProgramCache]: Analyzing trace with hash -741067874, now seen corresponding path program 1 times [2023-11-24 23:52:44,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:52:44,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [229938616] [2023-11-24 23:52:44,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:52:44,755 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 [2023-11-24 23:52:44,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:52:44,759 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat -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) [2023-11-24 23:52:44,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat -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 [2023-11-24 23:52:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:52:45,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:52:45,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:52:45,223 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-24 23:52:45,223 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:52:45,231 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:52:45,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [229938616] [2023-11-24 23:52:45,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [229938616] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:52:45,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:52:45,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:52:45,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242888847] [2023-11-24 23:52:45,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:52:45,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:52:45,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:52:45,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:52:45,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:52:45,297 INFO L87 Difference]: Start difference. First operand has 106 states, 91 states have (on average 1.4835164835164836) internal successors, (135), 92 states have internal predecessors, (135), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-24 23:52:45,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:52:45,365 INFO L93 Difference]: Finished difference Result 209 states and 328 transitions. [2023-11-24 23:52:45,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:52:45,367 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 110 [2023-11-24 23:52:45,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:52:45,377 INFO L225 Difference]: With dead ends: 209 [2023-11-24 23:52:45,377 INFO L226 Difference]: Without dead ends: 104 [2023-11-24 23:52:45,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:52:45,385 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:52:45,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 148 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:52:45,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-11-24 23:52:45,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2023-11-24 23:52:45,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 90 states have (on average 1.4222222222222223) internal successors, (128), 90 states have internal predecessors, (128), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-24 23:52:45,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 152 transitions. [2023-11-24 23:52:45,459 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 152 transitions. Word has length 110 [2023-11-24 23:52:45,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:52:45,460 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 152 transitions. [2023-11-24 23:52:45,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-24 23:52:45,461 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 152 transitions. [2023-11-24 23:52:45,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-24 23:52:45,471 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:52:45,472 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:52:45,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat -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 [2023-11-24 23:52:45,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:52:45,676 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:52:45,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:52:45,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1566886130, now seen corresponding path program 1 times [2023-11-24 23:52:45,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:52:45,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1168278150] [2023-11-24 23:52:45,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:52:45,679 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:52:45,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:52:45,681 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat -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) [2023-11-24 23:52:45,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat -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 [2023-11-24 23:52:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:52:46,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:52:46,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:52:46,075 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-11-24 23:52:46,076 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:52:46,076 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:52:46,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1168278150] [2023-11-24 23:52:46,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1168278150] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:52:46,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:52:46,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-24 23:52:46,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444422349] [2023-11-24 23:52:46,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:52:46,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:52:46,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:52:46,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:52:46,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-24 23:52:46,081 INFO L87 Difference]: Start difference. First operand 104 states and 152 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-24 23:52:46,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:52:46,219 INFO L93 Difference]: Finished difference Result 213 states and 312 transitions. [2023-11-24 23:52:46,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 23:52:46,220 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 110 [2023-11-24 23:52:46,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:52:46,222 INFO L225 Difference]: With dead ends: 213 [2023-11-24 23:52:46,222 INFO L226 Difference]: Without dead ends: 110 [2023-11-24 23:52:46,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:52:46,225 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 10 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:52:46,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 433 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:52:46,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-11-24 23:52:46,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 106. [2023-11-24 23:52:46,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 92 states have (on average 1.4130434782608696) internal successors, (130), 92 states have internal predecessors, (130), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-24 23:52:46,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 154 transitions. [2023-11-24 23:52:46,240 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 154 transitions. Word has length 110 [2023-11-24 23:52:46,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:52:46,241 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 154 transitions. [2023-11-24 23:52:46,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-24 23:52:46,242 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 154 transitions. [2023-11-24 23:52:46,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-24 23:52:46,244 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:52:46,244 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:52:46,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-24 23:52:46,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:52:46,453 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:52:46,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:52:46,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1815032624, now seen corresponding path program 1 times [2023-11-24 23:52:46,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:52:46,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2140017242] [2023-11-24 23:52:46,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:52:46,456 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 [2023-11-24 23:52:46,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:52:46,457 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat -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) [2023-11-24 23:52:46,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat -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 [2023-11-24 23:52:46,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:52:46,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:52:46,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:52:46,842 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 17 treesize of output 9 [2023-11-24 23:52:46,894 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-24 23:52:46,894 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:52:46,901 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:52:46,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2140017242] [2023-11-24 23:52:46,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2140017242] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:52:46,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:52:46,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:52:46,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352347267] [2023-11-24 23:52:46,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:52:46,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:52:46,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:52:46,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:52:46,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:52:46,910 INFO L87 Difference]: Start difference. First operand 106 states and 154 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-24 23:52:47,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:52:47,013 INFO L93 Difference]: Finished difference Result 209 states and 304 transitions. [2023-11-24 23:52:47,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:52:47,016 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2023-11-24 23:52:47,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:52:47,018 INFO L225 Difference]: With dead ends: 209 [2023-11-24 23:52:47,018 INFO L226 Difference]: Without dead ends: 104 [2023-11-24 23:52:47,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:52:47,025 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 0 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:52:47,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 284 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:52:47,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-11-24 23:52:47,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2023-11-24 23:52:47,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 90 states have (on average 1.4) internal successors, (126), 90 states have internal predecessors, (126), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-24 23:52:47,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 150 transitions. [2023-11-24 23:52:47,054 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 150 transitions. Word has length 110 [2023-11-24 23:52:47,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:52:47,055 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 150 transitions. [2023-11-24 23:52:47,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-24 23:52:47,056 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 150 transitions. [2023-11-24 23:52:47,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-24 23:52:47,060 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:52:47,060 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:52:47,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat -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 [2023-11-24 23:52:47,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:52:47,269 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:52:47,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:52:47,269 INFO L85 PathProgramCache]: Analyzing trace with hash 397590375, now seen corresponding path program 1 times [2023-11-24 23:52:47,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:52:47,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1146045524] [2023-11-24 23:52:47,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:52:47,271 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 [2023-11-24 23:52:47,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:52:47,272 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat -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) [2023-11-24 23:52:47,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat -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 [2023-11-24 23:52:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:52:47,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:52:47,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:52:47,850 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-24 23:52:47,850 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:52:47,850 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:52:47,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1146045524] [2023-11-24 23:52:47,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1146045524] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:52:47,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:52:47,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:52:47,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152881531] [2023-11-24 23:52:47,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:52:47,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:52:47,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:52:47,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:52:47,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:52:47,864 INFO L87 Difference]: Start difference. First operand 104 states and 150 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-24 23:52:47,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:52:47,933 INFO L93 Difference]: Finished difference Result 231 states and 334 transitions. [2023-11-24 23:52:47,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:52:47,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2023-11-24 23:52:47,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:52:47,940 INFO L225 Difference]: With dead ends: 231 [2023-11-24 23:52:47,940 INFO L226 Difference]: Without dead ends: 128 [2023-11-24 23:52:47,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:52:47,947 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 39 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:52:47,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 308 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:52:47,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2023-11-24 23:52:47,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 105. [2023-11-24 23:52:47,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 91 states have (on average 1.3956043956043955) internal successors, (127), 91 states have internal predecessors, (127), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-24 23:52:47,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 151 transitions. [2023-11-24 23:52:47,971 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 151 transitions. Word has length 110 [2023-11-24 23:52:47,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:52:47,972 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 151 transitions. [2023-11-24 23:52:47,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-24 23:52:47,972 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2023-11-24 23:52:47,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-24 23:52:47,974 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:52:47,974 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:52:47,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat -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 [2023-11-24 23:52:48,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:52:48,193 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:52:48,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:52:48,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1098654953, now seen corresponding path program 1 times [2023-11-24 23:52:48,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:52:48,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [473006721] [2023-11-24 23:52:48,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:52:48,195 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 [2023-11-24 23:52:48,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:52:48,196 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat -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) [2023-11-24 23:52:48,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat -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 [2023-11-24 23:52:48,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:52:48,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:52:48,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:52:49,012 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:52:49,013 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 173 treesize of output 65 [2023-11-24 23:52:49,059 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-11-24 23:52:49,060 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:52:49,060 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:52:49,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [473006721] [2023-11-24 23:52:49,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [473006721] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:52:49,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:52:49,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:52:49,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980351070] [2023-11-24 23:52:49,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:52:49,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 23:52:49,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:52:49,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 23:52:49,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-24 23:52:49,064 INFO L87 Difference]: Start difference. First operand 105 states and 151 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-24 23:52:52,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:52:52,006 INFO L93 Difference]: Finished difference Result 215 states and 310 transitions. [2023-11-24 23:52:52,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 23:52:52,018 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 110 [2023-11-24 23:52:52,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:52:52,019 INFO L225 Difference]: With dead ends: 215 [2023-11-24 23:52:52,019 INFO L226 Difference]: Without dead ends: 111 [2023-11-24 23:52:52,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-24 23:52:52,021 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 130 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-24 23:52:52,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 402 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-24 23:52:52,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-24 23:52:52,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 105. [2023-11-24 23:52:52,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 91 states have (on average 1.3846153846153846) internal successors, (126), 91 states have internal predecessors, (126), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-24 23:52:52,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 150 transitions. [2023-11-24 23:52:52,046 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 150 transitions. Word has length 110 [2023-11-24 23:52:52,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:52:52,046 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 150 transitions. [2023-11-24 23:52:52,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-24 23:52:52,047 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 150 transitions. [2023-11-24 23:52:52,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-24 23:52:52,050 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:52:52,051 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:52:52,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat -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 [2023-11-24 23:52:52,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:52:52,264 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:52:52,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:52:52,265 INFO L85 PathProgramCache]: Analyzing trace with hash 736812517, now seen corresponding path program 1 times [2023-11-24 23:52:52,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:52:52,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [864330030] [2023-11-24 23:52:52,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:52:52,266 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 [2023-11-24 23:52:52,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:52:52,267 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat -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) [2023-11-24 23:52:52,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat -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 [2023-11-24 23:52:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:52:52,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:52:52,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:52:52,875 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-24 23:52:52,875 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:52:52,875 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:52:52,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [864330030] [2023-11-24 23:52:52,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [864330030] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:52:52,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:52:52,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-24 23:52:52,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437244129] [2023-11-24 23:52:52,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:52:52,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 23:52:52,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:52:52,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 23:52:52,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-24 23:52:52,880 INFO L87 Difference]: Start difference. First operand 105 states and 150 transitions. Second operand has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-24 23:52:53,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:52:53,185 INFO L93 Difference]: Finished difference Result 213 states and 304 transitions. [2023-11-24 23:52:53,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-24 23:52:53,187 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 112 [2023-11-24 23:52:53,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:52:53,188 INFO L225 Difference]: With dead ends: 213 [2023-11-24 23:52:53,188 INFO L226 Difference]: Without dead ends: 107 [2023-11-24 23:52:53,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-24 23:52:53,190 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 7 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-24 23:52:53,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 605 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-24 23:52:53,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2023-11-24 23:52:53,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 105. [2023-11-24 23:52:53,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 91 states have (on average 1.3736263736263736) internal successors, (125), 91 states have internal predecessors, (125), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-24 23:52:53,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 149 transitions. [2023-11-24 23:52:53,212 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 149 transitions. Word has length 112 [2023-11-24 23:52:53,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:52:53,213 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 149 transitions. [2023-11-24 23:52:53,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-24 23:52:53,214 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 149 transitions. [2023-11-24 23:52:53,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-24 23:52:53,215 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:52:53,216 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:52:53,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat -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 [2023-11-24 23:52:53,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:52:53,429 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:52:53,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:52:53,429 INFO L85 PathProgramCache]: Analyzing trace with hash 176112739, now seen corresponding path program 1 times [2023-11-24 23:52:53,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:52:53,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [513350240] [2023-11-24 23:52:53,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:52:53,430 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 [2023-11-24 23:52:53,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:52:53,431 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat -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) [2023-11-24 23:52:53,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat -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 [2023-11-24 23:52:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:52:53,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:52:53,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:52:54,245 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:52:54,246 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 173 treesize of output 65 [2023-11-24 23:52:54,289 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-11-24 23:52:54,289 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:52:54,289 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:52:54,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [513350240] [2023-11-24 23:52:54,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [513350240] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:52:54,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:52:54,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:52:54,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442648004] [2023-11-24 23:52:54,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:52:54,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 23:52:54,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:52:54,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 23:52:54,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-24 23:52:54,292 INFO L87 Difference]: Start difference. First operand 105 states and 149 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-24 23:52:57,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:52:57,697 INFO L93 Difference]: Finished difference Result 215 states and 306 transitions. [2023-11-24 23:52:57,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 23:52:57,704 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 112 [2023-11-24 23:52:57,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:52:57,705 INFO L225 Difference]: With dead ends: 215 [2023-11-24 23:52:57,705 INFO L226 Difference]: Without dead ends: 111 [2023-11-24 23:52:57,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-24 23:52:57,707 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 123 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-24 23:52:57,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 394 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-24 23:52:57,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-24 23:52:57,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 105. [2023-11-24 23:52:57,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 91 states have (on average 1.3626373626373627) internal successors, (124), 91 states have internal predecessors, (124), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-24 23:52:57,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 148 transitions. [2023-11-24 23:52:57,715 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 148 transitions. Word has length 112 [2023-11-24 23:52:57,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:52:57,716 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 148 transitions. [2023-11-24 23:52:57,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-24 23:52:57,717 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 148 transitions. [2023-11-24 23:52:57,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-24 23:52:57,718 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:52:57,719 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:52:57,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat -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)] Ended with exit code 0 [2023-11-24 23:52:57,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:52:57,937 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:52:57,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:52:57,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1487751959, now seen corresponding path program 1 times [2023-11-24 23:52:57,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:52:57,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [828650918] [2023-11-24 23:52:57,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:52:57,939 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 [2023-11-24 23:52:57,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:52:57,942 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat -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) [2023-11-24 23:52:57,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat -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 [2023-11-24 23:52:58,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:52:58,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:52:58,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:52:58,863 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:52:58,863 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 173 treesize of output 65 [2023-11-24 23:52:58,906 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-11-24 23:52:58,906 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:52:58,906 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:52:58,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [828650918] [2023-11-24 23:52:58,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [828650918] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:52:58,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:52:58,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:52:58,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197925990] [2023-11-24 23:52:58,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:52:58,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 23:52:58,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:52:58,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 23:52:58,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-24 23:52:58,909 INFO L87 Difference]: Start difference. First operand 105 states and 148 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-24 23:53:02,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:53:02,378 INFO L93 Difference]: Finished difference Result 213 states and 301 transitions. [2023-11-24 23:53:02,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 23:53:02,386 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 114 [2023-11-24 23:53:02,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:53:02,387 INFO L225 Difference]: With dead ends: 213 [2023-11-24 23:53:02,387 INFO L226 Difference]: Without dead ends: 109 [2023-11-24 23:53:02,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-24 23:53:02,389 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 119 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-24 23:53:02,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 385 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-24 23:53:02,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-11-24 23:53:02,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 103. [2023-11-24 23:53:02,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 89 states have (on average 1.3595505617977528) internal successors, (121), 89 states have internal predecessors, (121), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-24 23:53:02,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 145 transitions. [2023-11-24 23:53:02,398 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 145 transitions. Word has length 114 [2023-11-24 23:53:02,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:53:02,399 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 145 transitions. [2023-11-24 23:53:02,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-24 23:53:02,399 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 145 transitions. [2023-11-24 23:53:02,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-24 23:53:02,401 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:53:02,401 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:53:02,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-11-24 23:53:02,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:53:02,615 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:53:02,615 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:53:02,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1113830111, now seen corresponding path program 1 times [2023-11-24 23:53:02,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:53:02,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [971516927] [2023-11-24 23:53:02,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:53:02,616 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 [2023-11-24 23:53:02,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:53:02,617 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat -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) [2023-11-24 23:53:02,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/mathsat -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 [2023-11-24 23:53:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:53:03,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 23:53:03,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:53:03,481 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:53:03,481 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 172 treesize of output 64 [2023-11-24 23:53:03,579 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 44 proven. 40 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-24 23:53:03,579 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:53:03,939 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:53:03,940 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 110 treesize of output 1 [2023-11-24 23:53:03,965 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 30 proven. 3 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-24 23:53:03,966 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:53:03,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [971516927] [2023-11-24 23:53:03,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [971516927] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:53:03,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [415376993] [2023-11-24 23:53:03,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:53:03,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:53:03,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-24 23:53:03,972 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:53:03,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-24 23:53:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:53:05,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 23:53:05,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:53:06,522 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:53:06,522 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 227 treesize of output 83 [2023-11-24 23:53:06,554 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 44 proven. 40 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-24 23:53:06,554 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:53:07,723 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:53:07,724 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 166 treesize of output 1 [2023-11-24 23:53:07,750 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 30 proven. 3 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-24 23:53:07,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [415376993] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:53:07,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051162371] [2023-11-24 23:53:07,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:53:07,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:53:07,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:53:07,755 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:53:07,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087d6029-e1de-41f9-8c6b-4e323efb5c79/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-24 23:53:08,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:53:08,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 23:53:08,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:53:08,289 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 31 treesize of output 15 [2023-11-24 23:53:08,362 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 31 treesize of output 15 [2023-11-24 23:53:08,435 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 31 treesize of output 15 [2023-11-24 23:53:08,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-24 23:53:08,579 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 42 treesize of output 15 [2023-11-24 23:53:08,647 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 32 treesize of output 35 [2023-11-24 23:53:11,082 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:53:11,082 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 57 treesize of output 51 [2023-11-24 23:53:15,656 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:53:15,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 74 [2023-11-24 23:53:22,596 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:53:22,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 81 treesize of output 80 [2023-11-24 23:53:22,889 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:53:22,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 77 treesize of output 80 [2023-11-24 23:53:23,101 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:53:23,102 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 92 treesize of output 80 [2023-11-24 23:53:23,331 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-24 23:53:23,331 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:53:23,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051162371] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:53:23,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2023-11-24 23:53:23,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 8, 10, 9] total 21 [2023-11-24 23:53:23,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969936454] [2023-11-24 23:53:23,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:53:23,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-24 23:53:23,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:53:23,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-24 23:53:23,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=344, Unknown=6, NotChecked=0, Total=420 [2023-11-24 23:53:23,335 INFO L87 Difference]: Start difference. First operand 103 states and 145 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 states have internal predecessors, (68), 4 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12)