./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-80.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire --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 511db833c8808b53f89aa03d82cf934769dba4f9f9153f0cd5ce6daaa43720ad --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:35:13,863 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:35:13,972 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:35:13,978 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:35:13,979 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:35:14,006 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:35:14,007 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:35:14,007 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:35:14,008 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:35:14,009 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:35:14,010 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:35:14,010 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:35:14,011 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:35:14,012 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:35:14,012 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:35:14,013 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:35:14,013 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:35:14,014 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:35:14,015 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:35:14,015 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:35:14,016 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:35:14,017 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:35:14,017 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:35:14,018 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:35:14,018 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:35:14,019 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:35:14,019 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:35:14,020 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:35:14,020 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:35:14,021 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:35:14,021 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:35:14,022 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:35:14,022 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:35:14,023 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:35:14,023 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:35:14,024 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:35:14,024 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:35:14,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:35:14,026 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:35:14,026 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:35:14,026 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:35:14,027 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:35:14,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:35:14,028 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:35:14,028 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:35:14,028 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:35:14,029 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:35:14,029 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_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 511db833c8808b53f89aa03d82cf934769dba4f9f9153f0cd5ce6daaa43720ad [2023-11-23 20:35:14,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:35:14,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:35:14,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:35:14,308 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:35:14,308 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:35:14,310 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-80.i [2023-11-23 20:35:17,642 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:35:17,900 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:35:17,900 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-80.i [2023-11-23 20:35:17,912 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/data/9e3ebc0da/475115bf6fa441fabd845fb6bd95ea08/FLAG8b6afbad4 [2023-11-23 20:35:17,929 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/data/9e3ebc0da/475115bf6fa441fabd845fb6bd95ea08 [2023-11-23 20:35:17,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:35:17,934 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:35:17,939 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:35:17,939 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:35:17,948 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:35:17,949 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:35:17" (1/1) ... [2023-11-23 20:35:17,950 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ddba772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:17, skipping insertion in model container [2023-11-23 20:35:17,951 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:35:17" (1/1) ... [2023-11-23 20:35:17,987 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:35:18,153 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_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-80.i[916,929] [2023-11-23 20:35:18,231 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:35:18,251 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:35:18,269 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_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-80.i[916,929] [2023-11-23 20:35:18,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:35:18,353 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:35:18,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:18 WrapperNode [2023-11-23 20:35:18,353 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:35:18,359 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:35:18,359 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:35:18,360 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:35:18,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:18" (1/1) ... [2023-11-23 20:35:18,388 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:18" (1/1) ... [2023-11-23 20:35:18,451 INFO L138 Inliner]: procedures = 29, calls = 228, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 673 [2023-11-23 20:35:18,452 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:35:18,453 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:35:18,453 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:35:18,453 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:35:18,463 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:18" (1/1) ... [2023-11-23 20:35:18,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:18" (1/1) ... [2023-11-23 20:35:18,473 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:18" (1/1) ... [2023-11-23 20:35:18,474 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:18" (1/1) ... [2023-11-23 20:35:18,508 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:18" (1/1) ... [2023-11-23 20:35:18,528 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:18" (1/1) ... [2023-11-23 20:35:18,533 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:18" (1/1) ... [2023-11-23 20:35:18,537 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:18" (1/1) ... [2023-11-23 20:35:18,554 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:35:18,555 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:35:18,555 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:35:18,555 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:35:18,556 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:18" (1/1) ... [2023-11-23 20:35:18,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:35:18,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:35:18,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:35:18,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:35:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:35:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:35:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-23 20:35:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-23 20:35:18,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:35:18,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-23 20:35:18,650 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:35:18,650 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:35:18,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:35:18,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:35:18,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:35:18,870 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:35:18,873 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:35:19,655 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:35:20,869 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:35:20,870 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:35:20,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:35:20 BoogieIcfgContainer [2023-11-23 20:35:20,873 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:35:20,879 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:35:20,879 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:35:20,883 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:35:20,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:35:17" (1/3) ... [2023-11-23 20:35:20,886 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4597c4e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:35:20, skipping insertion in model container [2023-11-23 20:35:20,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:18" (2/3) ... [2023-11-23 20:35:20,888 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4597c4e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:35:20, skipping insertion in model container [2023-11-23 20:35:20,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:35:20" (3/3) ... [2023-11-23 20:35:20,891 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-80.i [2023-11-23 20:35:20,914 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:35:20,915 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:35:20,989 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:35:20,997 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;@443f5185, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:35:20,998 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:35:21,002 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-23 20:35:21,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-23 20:35:21,014 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:35:21,015 INFO L195 NwaCegarLoop]: trace histogram [17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:35:21,016 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:35:21,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:35:21,024 INFO L85 PathProgramCache]: Analyzing trace with hash 2112238776, now seen corresponding path program 1 times [2023-11-23 20:35:21,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:35:21,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736843090] [2023-11-23 20:35:21,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:35:21,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:35:21,403 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:35:21,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [250145616] [2023-11-23 20:35:21,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:35:21,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:35:21,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:35:21,406 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:35:21,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 20:35:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:35:23,069 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:35:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:35:25,646 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:35:25,649 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:35:25,650 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:35:25,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:35:25,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:35:25,870 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 20:35:25,874 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:35:25,933 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-23 20:35:25,934 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-23 20:35:25,935 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-23 20:35:25,936 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-23 20:35:25,937 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-23 20:35:25,937 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-23 20:35:25,937 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-23 20:35:25,938 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-23 20:35:25,938 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-23 20:35:25,939 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-23 20:35:25,939 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-23 20:35:25,940 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-23 20:35:25,940 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-23 20:35:25,941 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-23 20:35:25,942 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-23 20:35:25,942 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-23 20:35:25,943 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-23 20:35:25,944 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-23 20:35:25,944 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-23 20:35:25,946 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-23 20:35:25,947 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-23 20:35:25,955 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-23 20:35:25,956 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short99 could not be translated [2023-11-23 20:35:25,957 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-23 20:35:25,958 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-23 20:35:25,958 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated [2023-11-23 20:35:25,958 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem96 could not be translated [2023-11-23 20:35:25,958 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short98 could not be translated [2023-11-23 20:35:25,958 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated [2023-11-23 20:35:25,959 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short98 could not be translated [2023-11-23 20:35:25,960 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-23 20:35:25,960 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem96 could not be translated [2023-11-23 20:35:25,961 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-23 20:35:25,961 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short99 could not be translated [2023-11-23 20:35:25,961 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated [2023-11-23 20:35:25,962 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated [2023-11-23 20:35:25,962 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem104 could not be translated [2023-11-23 20:35:25,962 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-23 20:35:25,962 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem105 could not be translated [2023-11-23 20:35:25,963 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated [2023-11-23 20:35:25,963 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-23 20:35:25,963 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short107 could not be translated [2023-11-23 20:35:25,963 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short106 could not be translated [2023-11-23 20:35:25,964 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem104 could not be translated [2023-11-23 20:35:25,964 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short107 could not be translated [2023-11-23 20:35:25,965 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-23 20:35:25,965 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem105 could not be translated [2023-11-23 20:35:25,965 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated [2023-11-23 20:35:25,966 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short106 could not be translated [2023-11-23 20:35:25,966 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-23 20:35:25,967 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short115 could not be translated [2023-11-23 20:35:25,967 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short111 could not be translated [2023-11-23 20:35:25,967 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated [2023-11-23 20:35:25,967 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem110 could not be translated [2023-11-23 20:35:25,968 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated [2023-11-23 20:35:25,969 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem109 could not be translated [2023-11-23 20:35:25,969 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short114 could not be translated [2023-11-23 20:35:25,970 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short115 could not be translated [2023-11-23 20:35:25,971 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem110 could not be translated [2023-11-23 20:35:25,971 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated [2023-11-23 20:35:25,971 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short111 could not be translated [2023-11-23 20:35:25,971 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated [2023-11-23 20:35:25,971 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem109 could not be translated [2023-11-23 20:35:25,972 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short114 could not be translated [2023-11-23 20:35:25,972 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem120 could not be translated [2023-11-23 20:35:25,972 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short123 could not be translated [2023-11-23 20:35:25,972 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem121 could not be translated [2023-11-23 20:35:25,973 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated [2023-11-23 20:35:25,973 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem117 could not be translated [2023-11-23 20:35:25,974 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short119 could not be translated [2023-11-23 20:35:25,974 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short122 could not be translated [2023-11-23 20:35:25,975 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated [2023-11-23 20:35:25,975 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem117 could not be translated [2023-11-23 20:35:25,975 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem120 could not be translated [2023-11-23 20:35:25,976 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short119 could not be translated [2023-11-23 20:35:25,976 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem121 could not be translated [2023-11-23 20:35:25,976 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short123 could not be translated [2023-11-23 20:35:25,976 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short122 could not be translated [2023-11-23 20:35:25,977 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short127 could not be translated [2023-11-23 20:35:25,977 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem129 could not be translated [2023-11-23 20:35:25,977 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short131 could not be translated [2023-11-23 20:35:25,977 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem126 could not be translated [2023-11-23 20:35:25,978 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem128 could not be translated [2023-11-23 20:35:25,979 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem125 could not be translated [2023-11-23 20:35:25,979 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short130 could not be translated [2023-11-23 20:35:25,983 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem126 could not be translated [2023-11-23 20:35:25,984 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short127 could not be translated [2023-11-23 20:35:25,985 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short130 could not be translated [2023-11-23 20:35:25,985 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem129 could not be translated [2023-11-23 20:35:25,986 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem125 could not be translated [2023-11-23 20:35:25,986 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem128 could not be translated [2023-11-23 20:35:25,987 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short131 could not be translated [2023-11-23 20:35:25,988 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem136 could not be translated [2023-11-23 20:35:25,988 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem134 could not be translated [2023-11-23 20:35:25,993 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short138 could not be translated [2023-11-23 20:35:25,995 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short139 could not be translated [2023-11-23 20:35:25,995 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short135 could not be translated [2023-11-23 20:35:25,996 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem137 could not be translated [2023-11-23 20:35:25,996 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem133 could not be translated [2023-11-23 20:35:25,996 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short139 could not be translated [2023-11-23 20:35:25,997 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short135 could not be translated [2023-11-23 20:35:25,997 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short138 could not be translated [2023-11-23 20:35:25,997 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem133 could not be translated [2023-11-23 20:35:25,997 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem136 could not be translated [2023-11-23 20:35:25,998 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem134 could not be translated [2023-11-23 20:35:25,998 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem137 could not be translated [2023-11-23 20:35:26,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:35:26 BoogieIcfgContainer [2023-11-23 20:35:26,036 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:35:26,037 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:35:26,037 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:35:26,037 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:35:26,038 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:35:20" (3/4) ... [2023-11-23 20:35:26,040 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:35:26,041 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:35:26,043 INFO L158 Benchmark]: Toolchain (without parser) took 8108.34ms. Allocated memory was 169.9MB in the beginning and 226.5MB in the end (delta: 56.6MB). Free memory was 129.8MB in the beginning and 142.5MB in the end (delta: -12.7MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. [2023-11-23 20:35:26,043 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory is still 76.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:35:26,045 INFO L158 Benchmark]: CACSL2BoogieTranslator took 419.01ms. Allocated memory is still 169.9MB. Free memory was 129.2MB in the beginning and 109.6MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-23 20:35:26,046 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.36ms. Allocated memory is still 169.9MB. Free memory was 109.6MB in the beginning and 104.3MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:35:26,052 INFO L158 Benchmark]: Boogie Preprocessor took 101.24ms. Allocated memory is still 169.9MB. Free memory was 104.3MB in the beginning and 99.7MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:35:26,054 INFO L158 Benchmark]: RCFGBuilder took 2318.70ms. Allocated memory was 169.9MB in the beginning and 226.5MB in the end (delta: 56.6MB). Free memory was 99.7MB in the beginning and 174.9MB in the end (delta: -75.2MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. [2023-11-23 20:35:26,055 INFO L158 Benchmark]: TraceAbstraction took 5157.10ms. Allocated memory is still 226.5MB. Free memory was 173.8MB in the beginning and 143.6MB in the end (delta: 30.3MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2023-11-23 20:35:26,056 INFO L158 Benchmark]: Witness Printer took 4.44ms. Allocated memory is still 226.5MB. Free memory was 143.6MB in the beginning and 142.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:35:26,064 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory is still 76.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 419.01ms. Allocated memory is still 169.9MB. Free memory was 129.2MB in the beginning and 109.6MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.36ms. Allocated memory is still 169.9MB. Free memory was 109.6MB in the beginning and 104.3MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.24ms. Allocated memory is still 169.9MB. Free memory was 104.3MB in the beginning and 99.7MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2318.70ms. Allocated memory was 169.9MB in the beginning and 226.5MB in the end (delta: 56.6MB). Free memory was 99.7MB in the beginning and 174.9MB in the end (delta: -75.2MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. * TraceAbstraction took 5157.10ms. Allocated memory is still 226.5MB. Free memory was 173.8MB in the beginning and 143.6MB in the end (delta: 30.3MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * Witness Printer took 4.44ms. Allocated memory is still 226.5MB. Free memory was 143.6MB in the beginning and 142.5MB 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~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem104 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem105 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short107 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short106 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem104 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short107 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem105 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short106 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short115 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short111 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem110 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem109 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short114 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short115 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem110 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short111 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem109 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short114 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem120 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short123 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem121 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem117 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short119 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short122 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem117 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem120 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short119 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem121 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short123 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short122 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short127 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem129 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short131 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem126 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem128 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem125 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short130 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem126 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short127 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short130 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem129 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem125 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem128 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short131 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem136 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem134 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short138 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short139 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short135 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem137 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem133 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short139 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short135 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short138 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem133 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem136 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem134 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem137 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 75, overapproximation of someBinaryArithmeticDOUBLEoperation at line 77. Possible FailurePath: [L41] unsigned char isInitial = 0; [L42-L60] struct WrapperStruct00 WrapperStruct00 = { 256, 128, -1, 1, 0, 1, 2, 1.8, 25.8, 5.5, 4.3, 500.7, 127.5, 1.5, 99.84, 4, -64 }; [L120] isInitial = 1 [L121] FCALL initially() [L122] COND TRUE 1 [L123] FCALL updateLastVariables() [L124] CALL updateVariables() [L84] WrapperStruct00.var_1_8 = __VERIFIER_nondet_long() [L85] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1] [L85] CALL assume_abort_if_not(WrapperStruct00.var_1_8 >= -2147483648) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(WrapperStruct00.var_1_8 >= -2147483648) VAL [WrapperStruct00={4:0}, isInitial=1] [L86] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1] [L86] CALL assume_abort_if_not(WrapperStruct00.var_1_8 <= 2147483647) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(WrapperStruct00.var_1_8 <= 2147483647) VAL [WrapperStruct00={4:0}, isInitial=1] [L87] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1] [L87] CALL assume_abort_if_not(WrapperStruct00.var_1_8 != 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(WrapperStruct00.var_1_8 != 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L88] WrapperStruct00.var_1_9 = __VERIFIER_nondet_short() [L89] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1] [L89] CALL assume_abort_if_not(WrapperStruct00.var_1_9 >= -1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(WrapperStruct00.var_1_9 >= -1) VAL [WrapperStruct00={4:0}, isInitial=1] [L90] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1] [L90] CALL assume_abort_if_not(WrapperStruct00.var_1_9 <= 32766) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(WrapperStruct00.var_1_9 <= 32766) VAL [WrapperStruct00={4:0}, isInitial=1] [L91] WrapperStruct00.var_1_10 = __VERIFIER_nondet_short() [L92] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_10 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(WrapperStruct00.var_1_10 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L93] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_10 <= 32766) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(WrapperStruct00.var_1_10 <= 32766) VAL [WrapperStruct00={4:0}, isInitial=1] [L94] WrapperStruct00.var_1_13 = __VERIFIER_nondet_uchar() [L95] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L96] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L97] WrapperStruct00.var_1_14 = __VERIFIER_nondet_char() [L98] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L99] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1] [L100] WrapperStruct00.var_1_16 = __VERIFIER_nondet_double() [L101] EXPR WrapperStruct00.var_1_16 [L101] EXPR WrapperStruct00.var_1_16 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_16 <= -1.0e-20F [L101] EXPR WrapperStruct00.var_1_16 [L101] EXPR WrapperStruct00.var_1_16 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_16 <= -1.0e-20F [L101] EXPR (WrapperStruct00.var_1_16 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_16 <= -1.0e-20F) || (WrapperStruct00.var_1_16 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_16 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L101] CALL assume_abort_if_not((WrapperStruct00.var_1_16 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_16 <= -1.0e-20F) || (WrapperStruct00.var_1_16 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_16 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not((WrapperStruct00.var_1_16 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_16 <= -1.0e-20F) || (WrapperStruct00.var_1_16 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_16 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L102] WrapperStruct00.var_1_17 = __VERIFIER_nondet_double() [L103] EXPR WrapperStruct00.var_1_17 [L103] EXPR WrapperStruct00.var_1_17 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_17 <= -1.0e-20F [L103] EXPR WrapperStruct00.var_1_17 [L103] EXPR WrapperStruct00.var_1_17 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_17 <= -1.0e-20F [L103] EXPR (WrapperStruct00.var_1_17 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_17 <= -1.0e-20F) || (WrapperStruct00.var_1_17 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_17 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L103] CALL assume_abort_if_not((WrapperStruct00.var_1_17 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_17 <= -1.0e-20F) || (WrapperStruct00.var_1_17 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_17 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not((WrapperStruct00.var_1_17 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_17 <= -1.0e-20F) || (WrapperStruct00.var_1_17 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_17 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L104] WrapperStruct00.var_1_18 = __VERIFIER_nondet_double() [L105] EXPR WrapperStruct00.var_1_18 [L105] EXPR WrapperStruct00.var_1_18 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_18 <= -1.0e-20F [L105] EXPR WrapperStruct00.var_1_18 [L105] EXPR WrapperStruct00.var_1_18 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_18 <= -1.0e-20F [L105] EXPR (WrapperStruct00.var_1_18 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_18 <= -1.0e-20F) || (WrapperStruct00.var_1_18 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_18 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L105] CALL assume_abort_if_not((WrapperStruct00.var_1_18 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_18 <= -1.0e-20F) || (WrapperStruct00.var_1_18 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_18 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not((WrapperStruct00.var_1_18 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_18 <= -1.0e-20F) || (WrapperStruct00.var_1_18 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_18 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L106] WrapperStruct00.var_1_19 = __VERIFIER_nondet_double() [L107] EXPR WrapperStruct00.var_1_19 [L107] EXPR WrapperStruct00.var_1_19 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_19 <= -1.0e-20F [L107] EXPR (WrapperStruct00.var_1_19 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_19 <= -1.0e-20F) || (WrapperStruct00.var_1_19 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_19 >= 1.0e-20F ) [L107] EXPR WrapperStruct00.var_1_19 [L107] EXPR WrapperStruct00.var_1_19 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_19 >= 1.0e-20F [L107] EXPR WrapperStruct00.var_1_19 [L107] EXPR WrapperStruct00.var_1_19 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_19 >= 1.0e-20F [L107] EXPR (WrapperStruct00.var_1_19 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_19 <= -1.0e-20F) || (WrapperStruct00.var_1_19 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_19 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L107] CALL assume_abort_if_not((WrapperStruct00.var_1_19 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_19 <= -1.0e-20F) || (WrapperStruct00.var_1_19 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_19 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not((WrapperStruct00.var_1_19 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_19 <= -1.0e-20F) || (WrapperStruct00.var_1_19 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_19 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L108] WrapperStruct00.var_1_20 = __VERIFIER_nondet_double() [L109] EXPR WrapperStruct00.var_1_20 [L109] EXPR WrapperStruct00.var_1_20 >= 0.0F && WrapperStruct00.var_1_20 <= -1.0e-20F [L109] EXPR WrapperStruct00.var_1_20 [L109] EXPR WrapperStruct00.var_1_20 >= 0.0F && WrapperStruct00.var_1_20 <= -1.0e-20F [L109] EXPR (WrapperStruct00.var_1_20 >= 0.0F && WrapperStruct00.var_1_20 <= -1.0e-20F) || (WrapperStruct00.var_1_20 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_20 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L109] CALL assume_abort_if_not((WrapperStruct00.var_1_20 >= 0.0F && WrapperStruct00.var_1_20 <= -1.0e-20F) || (WrapperStruct00.var_1_20 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_20 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not((WrapperStruct00.var_1_20 >= 0.0F && WrapperStruct00.var_1_20 <= -1.0e-20F) || (WrapperStruct00.var_1_20 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_20 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L110] WrapperStruct00.var_1_21 = __VERIFIER_nondet_double() [L111] EXPR WrapperStruct00.var_1_21 [L111] EXPR WrapperStruct00.var_1_21 >= 0.0F && WrapperStruct00.var_1_21 <= -1.0e-20F [L111] EXPR (WrapperStruct00.var_1_21 >= 0.0F && WrapperStruct00.var_1_21 <= -1.0e-20F) || (WrapperStruct00.var_1_21 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_21 >= 1.0e-20F ) [L111] EXPR WrapperStruct00.var_1_21 [L111] EXPR WrapperStruct00.var_1_21 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_21 >= 1.0e-20F [L111] EXPR WrapperStruct00.var_1_21 [L111] EXPR WrapperStruct00.var_1_21 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_21 >= 1.0e-20F [L111] EXPR (WrapperStruct00.var_1_21 >= 0.0F && WrapperStruct00.var_1_21 <= -1.0e-20F) || (WrapperStruct00.var_1_21 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_21 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L111] CALL assume_abort_if_not((WrapperStruct00.var_1_21 >= 0.0F && WrapperStruct00.var_1_21 <= -1.0e-20F) || (WrapperStruct00.var_1_21 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_21 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not((WrapperStruct00.var_1_21 >= 0.0F && WrapperStruct00.var_1_21 <= -1.0e-20F) || (WrapperStruct00.var_1_21 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_21 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L124] RET updateVariables() [L125] CALL step() [L64] EXPR WrapperStruct00.var_1_19 [L64] WrapperStruct00.var_1_22 = WrapperStruct00.var_1_19 [L65] EXPR WrapperStruct00.var_1_10 [L65] WrapperStruct00.var_1_23 = WrapperStruct00.var_1_10 [L66] EXPR WrapperStruct00.var_1_14 [L66] WrapperStruct00.var_1_24 = WrapperStruct00.var_1_14 [L67] EXPR WrapperStruct00.var_1_23 [L67] EXPR WrapperStruct00.var_1_24 [L67] unsigned char stepLocal_0 = WrapperStruct00.var_1_23 <= WrapperStruct00.var_1_24; [L68] EXPR WrapperStruct00.var_1_13 [L68] COND FALSE !(WrapperStruct00.var_1_13 || stepLocal_0) [L71] EXPR WrapperStruct00.var_1_14 [L71] WrapperStruct00.var_1_12 = WrapperStruct00.var_1_14 [L73] EXPR WrapperStruct00.var_1_10 [L73] signed short int stepLocal_1 = WrapperStruct00.var_1_10; [L74] EXPR WrapperStruct00.var_1_23 [L74] EXPR WrapperStruct00.var_1_8 [L74] COND FALSE !(stepLocal_1 <= (WrapperStruct00.var_1_23 / WrapperStruct00.var_1_8)) [L77] EXPR WrapperStruct00.var_1_20 [L77] EXPR WrapperStruct00.var_1_21 [L77] WrapperStruct00.var_1_15 = (WrapperStruct00.var_1_20 - WrapperStruct00.var_1_21) [L79] EXPR WrapperStruct00.var_1_23 [L79] EXPR WrapperStruct00.var_1_23 [L79] EXPR WrapperStruct00.var_1_12 [L79] EXPR (((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) > (WrapperStruct00.var_1_12)) ? ((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) : (WrapperStruct00.var_1_12) [L79] EXPR WrapperStruct00.var_1_12 [L79] EXPR (((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) > (WrapperStruct00.var_1_12)) ? ((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) : (WrapperStruct00.var_1_12) [L79] EXPR WrapperStruct00.var_1_23 [L79] EXPR WrapperStruct00.var_1_23 [L79] EXPR WrapperStruct00.var_1_24 [L79] EXPR WrapperStruct00.var_1_8 [L79] EXPR (((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) < ((WrapperStruct00.var_1_24 % WrapperStruct00.var_1_8))) ? ((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) : ((WrapperStruct00.var_1_24 % WrapperStruct00.var_1_8)) [L79] EXPR WrapperStruct00.var_1_23 [L79] EXPR WrapperStruct00.var_1_23 [L79] EXPR (((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) < ((WrapperStruct00.var_1_24 % WrapperStruct00.var_1_8))) ? ((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) : ((WrapperStruct00.var_1_24 % WrapperStruct00.var_1_8)) [L79] COND FALSE !((((((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) > (WrapperStruct00.var_1_12)) ? ((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) : (WrapperStruct00.var_1_12))) <= (((((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) < ((WrapperStruct00.var_1_24 % WrapperStruct00.var_1_8))) ? ((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) : ((WrapperStruct00.var_1_24 % WrapperStruct00.var_1_8))))) [L125] RET step() [L126] CALL, EXPR property() [L116] EXPR WrapperStruct00.var_1_23 [L116] EXPR WrapperStruct00.var_1_23 [L116] EXPR WrapperStruct00.var_1_12 [L116] EXPR (((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) > (WrapperStruct00.var_1_12)) ? ((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) : (WrapperStruct00.var_1_12) [L116] EXPR WrapperStruct00.var_1_12 [L116] EXPR (((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) > (WrapperStruct00.var_1_12)) ? ((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) : (WrapperStruct00.var_1_12) [L116] EXPR WrapperStruct00.var_1_23 [L116] EXPR WrapperStruct00.var_1_23 [L116] EXPR WrapperStruct00.var_1_24 [L116] EXPR WrapperStruct00.var_1_8 [L116] EXPR (((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) < ((WrapperStruct00.var_1_24 % WrapperStruct00.var_1_8))) ? ((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) : ((WrapperStruct00.var_1_24 % WrapperStruct00.var_1_8)) [L116] EXPR WrapperStruct00.var_1_23 [L116] EXPR WrapperStruct00.var_1_23 [L116] EXPR (((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) < ((WrapperStruct00.var_1_24 % WrapperStruct00.var_1_8))) ? ((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) : ((WrapperStruct00.var_1_24 % WrapperStruct00.var_1_8)) [L116] EXPR ((((((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) > (WrapperStruct00.var_1_12)) ? ((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) : (WrapperStruct00.var_1_12))) <= (((((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) < ((WrapperStruct00.var_1_24 % WrapperStruct00.var_1_8))) ? ((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) : ((WrapperStruct00.var_1_24 % WrapperStruct00.var_1_8))))) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10)) < (WrapperStruct00.var_1_12)) ? ((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10)) : (WrapperStruct00.var_1_12))))) : 1 [L116] EXPR (((((((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) > (WrapperStruct00.var_1_12)) ? ((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) : (WrapperStruct00.var_1_12))) <= (((((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) < ((WrapperStruct00.var_1_24 % WrapperStruct00.var_1_8))) ? ((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) : ((WrapperStruct00.var_1_24 % WrapperStruct00.var_1_8))))) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10)) < (WrapperStruct00.var_1_12)) ? ((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10)) : (WrapperStruct00.var_1_12))))) : 1) && ((WrapperStruct00.var_1_13 || (WrapperStruct00.var_1_23 <= WrapperStruct00.var_1_24)) ? (WrapperStruct00.var_1_12 == ((signed char) ((((1 - WrapperStruct00.var_1_14) < 0 ) ? -(1 - WrapperStruct00.var_1_14) : (1 - WrapperStruct00.var_1_14))))) : (WrapperStruct00.var_1_12 == ((signed char) WrapperStruct00.var_1_14))) [L116] EXPR WrapperStruct00.var_1_13 [L116] EXPR WrapperStruct00.var_1_13 || (WrapperStruct00.var_1_23 <= WrapperStruct00.var_1_24) [L116] EXPR WrapperStruct00.var_1_23 [L116] EXPR WrapperStruct00.var_1_24 [L116] EXPR WrapperStruct00.var_1_13 || (WrapperStruct00.var_1_23 <= WrapperStruct00.var_1_24) [L116] EXPR (WrapperStruct00.var_1_13 || (WrapperStruct00.var_1_23 <= WrapperStruct00.var_1_24)) ? (WrapperStruct00.var_1_12 == ((signed char) ((((1 - WrapperStruct00.var_1_14) < 0 ) ? -(1 - WrapperStruct00.var_1_14) : (1 - WrapperStruct00.var_1_14))))) : (WrapperStruct00.var_1_12 == ((signed char) WrapperStruct00.var_1_14)) [L116] EXPR WrapperStruct00.var_1_12 [L116] EXPR WrapperStruct00.var_1_14 [L116] EXPR (WrapperStruct00.var_1_13 || (WrapperStruct00.var_1_23 <= WrapperStruct00.var_1_24)) ? (WrapperStruct00.var_1_12 == ((signed char) ((((1 - WrapperStruct00.var_1_14) < 0 ) ? -(1 - WrapperStruct00.var_1_14) : (1 - WrapperStruct00.var_1_14))))) : (WrapperStruct00.var_1_12 == ((signed char) WrapperStruct00.var_1_14)) [L116] EXPR (((((((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) > (WrapperStruct00.var_1_12)) ? ((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) : (WrapperStruct00.var_1_12))) <= (((((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) < ((WrapperStruct00.var_1_24 % WrapperStruct00.var_1_8))) ? ((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) : ((WrapperStruct00.var_1_24 % WrapperStruct00.var_1_8))))) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10)) < (WrapperStruct00.var_1_12)) ? ((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10)) : (WrapperStruct00.var_1_12))))) : 1) && ((WrapperStruct00.var_1_13 || (WrapperStruct00.var_1_23 <= WrapperStruct00.var_1_24)) ? (WrapperStruct00.var_1_12 == ((signed char) ((((1 - WrapperStruct00.var_1_14) < 0 ) ? -(1 - WrapperStruct00.var_1_14) : (1 - WrapperStruct00.var_1_14))))) : (WrapperStruct00.var_1_12 == ((signed char) WrapperStruct00.var_1_14))) [L116] EXPR ((((((((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) > (WrapperStruct00.var_1_12)) ? ((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) : (WrapperStruct00.var_1_12))) <= (((((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) < ((WrapperStruct00.var_1_24 % WrapperStruct00.var_1_8))) ? ((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) : ((WrapperStruct00.var_1_24 % WrapperStruct00.var_1_8))))) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10)) < (WrapperStruct00.var_1_12)) ? ((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10)) : (WrapperStruct00.var_1_12))))) : 1) && ((WrapperStruct00.var_1_13 || (WrapperStruct00.var_1_23 <= WrapperStruct00.var_1_24)) ? (WrapperStruct00.var_1_12 == ((signed char) ((((1 - WrapperStruct00.var_1_14) < 0 ) ? -(1 - WrapperStruct00.var_1_14) : (1 - WrapperStruct00.var_1_14))))) : (WrapperStruct00.var_1_12 == ((signed char) WrapperStruct00.var_1_14)))) && ((WrapperStruct00.var_1_10 <= (WrapperStruct00.var_1_23 / WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_15 == ((double) ((((((((((((WrapperStruct00.var_1_16) < (WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_16) : (WrapperStruct00.var_1_17)))) > (WrapperStruct00.var_1_18)) ? (((((WrapperStruct00.var_1_16) < (WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_16) : (WrapperStruct00.var_1_17)))) : (WrapperStruct00.var_1_18)))) < (((((3.6) > (WrapperStruct00.var_1_19)) ? (3.6) : (WrapperStruct00.var_1_19))))) ? (((((((((WrapperStruct00.var_1_16) < (WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_16) : (WrapperStruct00.var_1_17)))) > (WrapperStruct00.var_1_18)) ? (((((WrapperStruct00.var_1_16) < (WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_16) : (WrapperStruct00.var_1_17)))) : (WrapperStruct00.var_1_18)))) : (((((3.6) > (WrapperStruct00.var_1_19)) ? (3.6) : (WrapperStruct00.var_1_19)))))))) : (WrapperStruct00.var_1_15 == ((double) (WrapperStruct00.var_1_20 - WrapperStruct00.var_1_21)))) [L116] EXPR WrapperStruct00.var_1_10 [L116] EXPR WrapperStruct00.var_1_23 [L116] EXPR WrapperStruct00.var_1_8 [L116] EXPR (WrapperStruct00.var_1_10 <= (WrapperStruct00.var_1_23 / WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_15 == ((double) ((((((((((((WrapperStruct00.var_1_16) < (WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_16) : (WrapperStruct00.var_1_17)))) > (WrapperStruct00.var_1_18)) ? (((((WrapperStruct00.var_1_16) < (WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_16) : (WrapperStruct00.var_1_17)))) : (WrapperStruct00.var_1_18)))) < (((((3.6) > (WrapperStruct00.var_1_19)) ? (3.6) : (WrapperStruct00.var_1_19))))) ? (((((((((WrapperStruct00.var_1_16) < (WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_16) : (WrapperStruct00.var_1_17)))) > (WrapperStruct00.var_1_18)) ? (((((WrapperStruct00.var_1_16) < (WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_16) : (WrapperStruct00.var_1_17)))) : (WrapperStruct00.var_1_18)))) : (((((3.6) > (WrapperStruct00.var_1_19)) ? (3.6) : (WrapperStruct00.var_1_19)))))))) : (WrapperStruct00.var_1_15 == ((double) (WrapperStruct00.var_1_20 - WrapperStruct00.var_1_21))) [L116] EXPR WrapperStruct00.var_1_15 [L116] EXPR WrapperStruct00.var_1_20 [L116] EXPR WrapperStruct00.var_1_21 [L116] EXPR (WrapperStruct00.var_1_10 <= (WrapperStruct00.var_1_23 / WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_15 == ((double) ((((((((((((WrapperStruct00.var_1_16) < (WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_16) : (WrapperStruct00.var_1_17)))) > (WrapperStruct00.var_1_18)) ? (((((WrapperStruct00.var_1_16) < (WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_16) : (WrapperStruct00.var_1_17)))) : (WrapperStruct00.var_1_18)))) < (((((3.6) > (WrapperStruct00.var_1_19)) ? (3.6) : (WrapperStruct00.var_1_19))))) ? (((((((((WrapperStruct00.var_1_16) < (WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_16) : (WrapperStruct00.var_1_17)))) > (WrapperStruct00.var_1_18)) ? (((((WrapperStruct00.var_1_16) < (WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_16) : (WrapperStruct00.var_1_17)))) : (WrapperStruct00.var_1_18)))) : (((((3.6) > (WrapperStruct00.var_1_19)) ? (3.6) : (WrapperStruct00.var_1_19)))))))) : (WrapperStruct00.var_1_15 == ((double) (WrapperStruct00.var_1_20 - WrapperStruct00.var_1_21))) [L116] EXPR ((((((((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) > (WrapperStruct00.var_1_12)) ? ((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) : (WrapperStruct00.var_1_12))) <= (((((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) < ((WrapperStruct00.var_1_24 % WrapperStruct00.var_1_8))) ? ((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) : ((WrapperStruct00.var_1_24 % WrapperStruct00.var_1_8))))) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10)) < (WrapperStruct00.var_1_12)) ? ((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10)) : (WrapperStruct00.var_1_12))))) : 1) && ((WrapperStruct00.var_1_13 || (WrapperStruct00.var_1_23 <= WrapperStruct00.var_1_24)) ? (WrapperStruct00.var_1_12 == ((signed char) ((((1 - WrapperStruct00.var_1_14) < 0 ) ? -(1 - WrapperStruct00.var_1_14) : (1 - WrapperStruct00.var_1_14))))) : (WrapperStruct00.var_1_12 == ((signed char) WrapperStruct00.var_1_14)))) && ((WrapperStruct00.var_1_10 <= (WrapperStruct00.var_1_23 / WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_15 == ((double) ((((((((((((WrapperStruct00.var_1_16) < (WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_16) : (WrapperStruct00.var_1_17)))) > (WrapperStruct00.var_1_18)) ? (((((WrapperStruct00.var_1_16) < (WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_16) : (WrapperStruct00.var_1_17)))) : (WrapperStruct00.var_1_18)))) < (((((3.6) > (WrapperStruct00.var_1_19)) ? (3.6) : (WrapperStruct00.var_1_19))))) ? (((((((((WrapperStruct00.var_1_16) < (WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_16) : (WrapperStruct00.var_1_17)))) > (WrapperStruct00.var_1_18)) ? (((((WrapperStruct00.var_1_16) < (WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_16) : (WrapperStruct00.var_1_17)))) : (WrapperStruct00.var_1_18)))) : (((((3.6) > (WrapperStruct00.var_1_19)) ? (3.6) : (WrapperStruct00.var_1_19)))))))) : (WrapperStruct00.var_1_15 == ((double) (WrapperStruct00.var_1_20 - WrapperStruct00.var_1_21)))) [L116] EXPR (((((((((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) > (WrapperStruct00.var_1_12)) ? ((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) : (WrapperStruct00.var_1_12))) <= (((((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) < ((WrapperStruct00.var_1_24 % WrapperStruct00.var_1_8))) ? ((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) : ((WrapperStruct00.var_1_24 % WrapperStruct00.var_1_8))))) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10)) < (WrapperStruct00.var_1_12)) ? ((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10)) : (WrapperStruct00.var_1_12))))) : 1) && ((WrapperStruct00.var_1_13 || (WrapperStruct00.var_1_23 <= WrapperStruct00.var_1_24)) ? (WrapperStruct00.var_1_12 == ((signed char) ((((1 - WrapperStruct00.var_1_14) < 0 ) ? -(1 - WrapperStruct00.var_1_14) : (1 - WrapperStruct00.var_1_14))))) : (WrapperStruct00.var_1_12 == ((signed char) WrapperStruct00.var_1_14)))) && ((WrapperStruct00.var_1_10 <= (WrapperStruct00.var_1_23 / WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_15 == ((double) ((((((((((((WrapperStruct00.var_1_16) < (WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_16) : (WrapperStruct00.var_1_17)))) > (WrapperStruct00.var_1_18)) ? (((((WrapperStruct00.var_1_16) < (WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_16) : (WrapperStruct00.var_1_17)))) : (WrapperStruct00.var_1_18)))) < (((((3.6) > (WrapperStruct00.var_1_19)) ? (3.6) : (WrapperStruct00.var_1_19))))) ? (((((((((WrapperStruct00.var_1_16) < (WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_16) : (WrapperStruct00.var_1_17)))) > (WrapperStruct00.var_1_18)) ? (((((WrapperStruct00.var_1_16) < (WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_16) : (WrapperStruct00.var_1_17)))) : (WrapperStruct00.var_1_18)))) : (((((3.6) > (WrapperStruct00.var_1_19)) ? (3.6) : (WrapperStruct00.var_1_19)))))))) : (WrapperStruct00.var_1_15 == ((double) (WrapperStruct00.var_1_20 - WrapperStruct00.var_1_21))))) && (WrapperStruct00.var_1_22 == ((double) WrapperStruct00.var_1_19)) [L116] EXPR ((((((((((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) > (WrapperStruct00.var_1_12)) ? ((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) : (WrapperStruct00.var_1_12))) <= (((((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) < ((WrapperStruct00.var_1_24 % WrapperStruct00.var_1_8))) ? ((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) : ((WrapperStruct00.var_1_24 % WrapperStruct00.var_1_8))))) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10)) < (WrapperStruct00.var_1_12)) ? ((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10)) : (WrapperStruct00.var_1_12))))) : 1) && ((WrapperStruct00.var_1_13 || (WrapperStruct00.var_1_23 <= WrapperStruct00.var_1_24)) ? (WrapperStruct00.var_1_12 == ((signed char) ((((1 - WrapperStruct00.var_1_14) < 0 ) ? -(1 - WrapperStruct00.var_1_14) : (1 - WrapperStruct00.var_1_14))))) : (WrapperStruct00.var_1_12 == ((signed char) WrapperStruct00.var_1_14)))) && ((WrapperStruct00.var_1_10 <= (WrapperStruct00.var_1_23 / WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_15 == ((double) ((((((((((((WrapperStruct00.var_1_16) < (WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_16) : (WrapperStruct00.var_1_17)))) > (WrapperStruct00.var_1_18)) ? (((((WrapperStruct00.var_1_16) < (WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_16) : (WrapperStruct00.var_1_17)))) : (WrapperStruct00.var_1_18)))) < (((((3.6) > (WrapperStruct00.var_1_19)) ? (3.6) : (WrapperStruct00.var_1_19))))) ? (((((((((WrapperStruct00.var_1_16) < (WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_16) : (WrapperStruct00.var_1_17)))) > (WrapperStruct00.var_1_18)) ? (((((WrapperStruct00.var_1_16) < (WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_16) : (WrapperStruct00.var_1_17)))) : (WrapperStruct00.var_1_18)))) : (((((3.6) > (WrapperStruct00.var_1_19)) ? (3.6) : (WrapperStruct00.var_1_19)))))))) : (WrapperStruct00.var_1_15 == ((double) (WrapperStruct00.var_1_20 - WrapperStruct00.var_1_21))))) && (WrapperStruct00.var_1_22 == ((double) WrapperStruct00.var_1_19))) && (WrapperStruct00.var_1_23 == ((unsigned short int) WrapperStruct00.var_1_10)) [L116] EXPR (((((((((((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) > (WrapperStruct00.var_1_12)) ? ((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) : (WrapperStruct00.var_1_12))) <= (((((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) < ((WrapperStruct00.var_1_24 % WrapperStruct00.var_1_8))) ? ((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) : ((WrapperStruct00.var_1_24 % WrapperStruct00.var_1_8))))) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10)) < (WrapperStruct00.var_1_12)) ? ((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10)) : (WrapperStruct00.var_1_12))))) : 1) && ((WrapperStruct00.var_1_13 || (WrapperStruct00.var_1_23 <= WrapperStruct00.var_1_24)) ? (WrapperStruct00.var_1_12 == ((signed char) ((((1 - WrapperStruct00.var_1_14) < 0 ) ? -(1 - WrapperStruct00.var_1_14) : (1 - WrapperStruct00.var_1_14))))) : (WrapperStruct00.var_1_12 == ((signed char) WrapperStruct00.var_1_14)))) && ((WrapperStruct00.var_1_10 <= (WrapperStruct00.var_1_23 / WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_15 == ((double) ((((((((((((WrapperStruct00.var_1_16) < (WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_16) : (WrapperStruct00.var_1_17)))) > (WrapperStruct00.var_1_18)) ? (((((WrapperStruct00.var_1_16) < (WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_16) : (WrapperStruct00.var_1_17)))) : (WrapperStruct00.var_1_18)))) < (((((3.6) > (WrapperStruct00.var_1_19)) ? (3.6) : (WrapperStruct00.var_1_19))))) ? (((((((((WrapperStruct00.var_1_16) < (WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_16) : (WrapperStruct00.var_1_17)))) > (WrapperStruct00.var_1_18)) ? (((((WrapperStruct00.var_1_16) < (WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_16) : (WrapperStruct00.var_1_17)))) : (WrapperStruct00.var_1_18)))) : (((((3.6) > (WrapperStruct00.var_1_19)) ? (3.6) : (WrapperStruct00.var_1_19)))))))) : (WrapperStruct00.var_1_15 == ((double) (WrapperStruct00.var_1_20 - WrapperStruct00.var_1_21))))) && (WrapperStruct00.var_1_22 == ((double) WrapperStruct00.var_1_19))) && (WrapperStruct00.var_1_23 == ((unsigned short int) WrapperStruct00.var_1_10))) && (WrapperStruct00.var_1_24 == ((signed char) WrapperStruct00.var_1_14)) [L116-L117] return (((((((((((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) > (WrapperStruct00.var_1_12)) ? ((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) : (WrapperStruct00.var_1_12))) <= (((((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) < ((WrapperStruct00.var_1_24 % WrapperStruct00.var_1_8))) ? ((WrapperStruct00.var_1_23 - WrapperStruct00.var_1_23)) : ((WrapperStruct00.var_1_24 % WrapperStruct00.var_1_8))))) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10)) < (WrapperStruct00.var_1_12)) ? ((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10)) : (WrapperStruct00.var_1_12))))) : 1) && ((WrapperStruct00.var_1_13 || (WrapperStruct00.var_1_23 <= WrapperStruct00.var_1_24)) ? (WrapperStruct00.var_1_12 == ((signed char) ((((1 - WrapperStruct00.var_1_14) < 0 ) ? -(1 - WrapperStruct00.var_1_14) : (1 - WrapperStruct00.var_1_14))))) : (WrapperStruct00.var_1_12 == ((signed char) WrapperStruct00.var_1_14)))) && ((WrapperStruct00.var_1_10 <= (WrapperStruct00.var_1_23 / WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_15 == ((double) ((((((((((((WrapperStruct00.var_1_16) < (WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_16) : (WrapperStruct00.var_1_17)))) > (WrapperStruct00.var_1_18)) ? (((((WrapperStruct00.var_1_16) < (WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_16) : (WrapperStruct00.var_1_17)))) : (WrapperStruct00.var_1_18)))) < (((((3.6) > (WrapperStruct00.var_1_19)) ? (3.6) : (WrapperStruct00.var_1_19))))) ? (((((((((WrapperStruct00.var_1_16) < (WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_16) : (WrapperStruct00.var_1_17)))) > (WrapperStruct00.var_1_18)) ? (((((WrapperStruct00.var_1_16) < (WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_16) : (WrapperStruct00.var_1_17)))) : (WrapperStruct00.var_1_18)))) : (((((3.6) > (WrapperStruct00.var_1_19)) ? (3.6) : (WrapperStruct00.var_1_19)))))))) : (WrapperStruct00.var_1_15 == ((double) (WrapperStruct00.var_1_20 - WrapperStruct00.var_1_21))))) && (WrapperStruct00.var_1_22 == ((double) WrapperStruct00.var_1_19))) && (WrapperStruct00.var_1_23 == ((unsigned short int) WrapperStruct00.var_1_10))) && (WrapperStruct00.var_1_24 == ((signed char) WrapperStruct00.var_1_14)) ; [L126] RET, EXPR property() [L126] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, OverallIterations: 1, TraceHistogramMax: 17, 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=43occurred 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: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 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 [2023-11-23 20:35:26,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire --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 511db833c8808b53f89aa03d82cf934769dba4f9f9153f0cd5ce6daaa43720ad --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:35:28,919 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:35:29,060 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 20:35:29,069 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:35:29,070 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:35:29,116 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:35:29,117 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:35:29,118 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:35:29,119 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:35:29,125 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:35:29,125 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:35:29,126 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:35:29,126 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:35:29,128 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:35:29,129 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:35:29,130 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:35:29,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:35:29,132 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:35:29,132 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:35:29,133 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:35:29,133 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:35:29,134 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:35:29,134 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:35:29,135 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:35:29,136 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:35:29,136 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:35:29,137 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:35:29,137 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:35:29,138 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:35:29,138 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:35:29,140 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:35:29,140 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:35:29,141 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:35:29,141 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:35:29,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:35:29,142 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:35:29,142 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:35:29,142 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:35:29,142 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:35:29,142 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:35:29,143 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:35:29,143 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:35:29,144 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:35:29,144 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:35:29,144 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_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 511db833c8808b53f89aa03d82cf934769dba4f9f9153f0cd5ce6daaa43720ad [2023-11-23 20:35:29,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:35:29,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:35:29,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:35:29,615 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:35:29,616 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:35:29,617 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-80.i [2023-11-23 20:35:32,884 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:35:33,225 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:35:33,235 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-80.i [2023-11-23 20:35:33,248 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/data/66e0ae80d/79117d01dc2744689168fc66a6195812/FLAG542b8003e [2023-11-23 20:35:33,267 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/data/66e0ae80d/79117d01dc2744689168fc66a6195812 [2023-11-23 20:35:33,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:35:33,274 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:35:33,278 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:35:33,278 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:35:33,283 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:35:33,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:35:33" (1/1) ... [2023-11-23 20:35:33,286 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74352d80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:33, skipping insertion in model container [2023-11-23 20:35:33,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:35:33" (1/1) ... [2023-11-23 20:35:33,341 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:35:33,510 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_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-80.i[916,929] [2023-11-23 20:35:33,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:35:33,657 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:35:33,678 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_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-80.i[916,929] [2023-11-23 20:35:33,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:35:33,839 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:35:33,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:33 WrapperNode [2023-11-23 20:35:33,840 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:35:33,841 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:35:33,842 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:35:33,842 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:35:33,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:33" (1/1) ... [2023-11-23 20:35:33,885 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:33" (1/1) ... [2023-11-23 20:35:34,000 INFO L138 Inliner]: procedures = 36, calls = 228, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 669 [2023-11-23 20:35:34,001 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:35:34,002 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:35:34,002 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:35:34,002 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:35:34,013 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:33" (1/1) ... [2023-11-23 20:35:34,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:33" (1/1) ... [2023-11-23 20:35:34,027 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:33" (1/1) ... [2023-11-23 20:35:34,027 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:33" (1/1) ... [2023-11-23 20:35:34,070 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:33" (1/1) ... [2023-11-23 20:35:34,077 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:33" (1/1) ... [2023-11-23 20:35:34,082 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:33" (1/1) ... [2023-11-23 20:35:34,087 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:33" (1/1) ... [2023-11-23 20:35:34,096 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:35:34,098 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:35:34,098 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:35:34,098 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:35:34,099 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:33" (1/1) ... [2023-11-23 20:35:34,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:35:34,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:35:34,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:35:34,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:35:34,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:35:34,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-23 20:35:34,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-23 20:35:34,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-23 20:35:34,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-23 20:35:34,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:35:34,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 20:35:34,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-23 20:35:34,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:35:34,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-23 20:35:34,193 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:35:34,193 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:35:34,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:35:34,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:35:34,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-23 20:35:34,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-23 20:35:34,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:35:34,390 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:35:34,392 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:35:36,773 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:35:36,861 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:35:36,865 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:35:36,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:35:36 BoogieIcfgContainer [2023-11-23 20:35:36,866 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:35:36,869 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:35:36,869 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:35:36,873 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:35:36,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:35:33" (1/3) ... [2023-11-23 20:35:36,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@293f43cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:35:36, skipping insertion in model container [2023-11-23 20:35:36,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:33" (2/3) ... [2023-11-23 20:35:36,877 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@293f43cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:35:36, skipping insertion in model container [2023-11-23 20:35:36,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:35:36" (3/3) ... [2023-11-23 20:35:36,880 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-80.i [2023-11-23 20:35:36,897 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:35:36,898 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:35:36,955 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:35:36,964 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@76403057, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:35:36,965 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:35:36,973 INFO L276 IsEmpty]: Start isEmpty. Operand has 147 states, 127 states have (on average 1.4803149606299213) internal successors, (188), 128 states have internal predecessors, (188), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-23 20:35:36,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-23 20:35:36,992 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:35:36,993 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:35:36,993 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:35:36,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:35:37,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1172314152, now seen corresponding path program 1 times [2023-11-23 20:35:37,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:35:37,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [592331401] [2023-11-23 20:35:37,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:35:37,015 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 [2023-11-23 20:35:37,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:35:37,016 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -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) [2023-11-23 20:35:37,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -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 [2023-11-23 20:35:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:35:37,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:35:37,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:35:37,783 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2023-11-23 20:35:37,785 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:35:37,786 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:35:37,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [592331401] [2023-11-23 20:35:37,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [592331401] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:35:37,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:35:37,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:35:37,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643938168] [2023-11-23 20:35:37,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:35:37,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 20:35:37,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:35:37,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 20:35:37,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:35:37,832 INFO L87 Difference]: Start difference. First operand has 147 states, 127 states have (on average 1.4803149606299213) internal successors, (188), 128 states have internal predecessors, (188), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 20:35:37,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:35:37,942 INFO L93 Difference]: Finished difference Result 291 states and 459 transitions. [2023-11-23 20:35:37,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 20:35:37,960 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 148 [2023-11-23 20:35:37,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:35:37,970 INFO L225 Difference]: With dead ends: 291 [2023-11-23 20:35:37,970 INFO L226 Difference]: Without dead ends: 145 [2023-11-23 20:35:37,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:35:37,979 INFO L413 NwaCegarLoop]: 213 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, 213 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 [2023-11-23 20:35:37,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 213 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 20:35:38,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2023-11-23 20:35:38,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2023-11-23 20:35:38,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 126 states have (on average 1.4523809523809523) internal successors, (183), 126 states have internal predecessors, (183), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-23 20:35:38,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 217 transitions. [2023-11-23 20:35:38,040 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 217 transitions. Word has length 148 [2023-11-23 20:35:38,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:35:38,040 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 217 transitions. [2023-11-23 20:35:38,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 20:35:38,041 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 217 transitions. [2023-11-23 20:35:38,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-23 20:35:38,047 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:35:38,047 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:35:38,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -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)] Ended with exit code 0 [2023-11-23 20:35:38,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:35:38,259 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:35:38,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:35:38,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1918906386, now seen corresponding path program 1 times [2023-11-23 20:35:38,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:35:38,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [579118740] [2023-11-23 20:35:38,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:35:38,261 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 [2023-11-23 20:35:38,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:35:38,265 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -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) [2023-11-23 20:35:38,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -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 [2023-11-23 20:35:38,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:35:39,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:35:39,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:35:39,119 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-23 20:35:39,122 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:35:39,122 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:35:39,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [579118740] [2023-11-23 20:35:39,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [579118740] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:35:39,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:35:39,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 20:35:39,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028351207] [2023-11-23 20:35:39,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:35:39,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 20:35:39,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:35:39,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 20:35:39,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 20:35:39,134 INFO L87 Difference]: Start difference. First operand 145 states and 217 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 20:35:39,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:35:39,319 INFO L93 Difference]: Finished difference Result 295 states and 442 transitions. [2023-11-23 20:35:39,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 20:35:39,320 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 148 [2023-11-23 20:35:39,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:35:39,323 INFO L225 Difference]: With dead ends: 295 [2023-11-23 20:35:39,323 INFO L226 Difference]: Without dead ends: 151 [2023-11-23 20:35:39,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:35:39,327 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 10 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:35:39,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 632 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 20:35:39,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2023-11-23 20:35:39,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 147. [2023-11-23 20:35:39,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 128 states have (on average 1.4453125) internal successors, (185), 128 states have internal predecessors, (185), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-23 20:35:39,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 219 transitions. [2023-11-23 20:35:39,349 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 219 transitions. Word has length 148 [2023-11-23 20:35:39,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:35:39,351 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 219 transitions. [2023-11-23 20:35:39,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 20:35:39,351 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 219 transitions. [2023-11-23 20:35:39,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-23 20:35:39,355 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:35:39,355 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:35:39,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -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 [2023-11-23 20:35:39,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:35:39,573 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:35:39,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:35:39,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1532055408, now seen corresponding path program 1 times [2023-11-23 20:35:39,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:35:39,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [757165110] [2023-11-23 20:35:39,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:35:39,576 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 [2023-11-23 20:35:39,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:35:39,580 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -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) [2023-11-23 20:35:39,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -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 [2023-11-23 20:35:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:35:40,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:35:40,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:35:40,443 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-23 20:35:40,443 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:35:40,444 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:35:40,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [757165110] [2023-11-23 20:35:40,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [757165110] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:35:40,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:35:40,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 20:35:40,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909611811] [2023-11-23 20:35:40,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:35:40,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 20:35:40,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:35:40,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 20:35:40,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 20:35:40,449 INFO L87 Difference]: Start difference. First operand 147 states and 219 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-23 20:35:40,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:35:40,583 INFO L93 Difference]: Finished difference Result 328 states and 490 transitions. [2023-11-23 20:35:40,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 20:35:40,585 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 148 [2023-11-23 20:35:40,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:35:40,590 INFO L225 Difference]: With dead ends: 328 [2023-11-23 20:35:40,593 INFO L226 Difference]: Without dead ends: 182 [2023-11-23 20:35:40,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:35:40,601 INFO L413 NwaCegarLoop]: 252 mSDtfsCounter, 66 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 701 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:35:40,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 701 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 20:35:40,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2023-11-23 20:35:40,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 149. [2023-11-23 20:35:40,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 130 states have (on average 1.4384615384615385) internal successors, (187), 130 states have internal predecessors, (187), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-23 20:35:40,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 221 transitions. [2023-11-23 20:35:40,632 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 221 transitions. Word has length 148 [2023-11-23 20:35:40,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:35:40,635 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 221 transitions. [2023-11-23 20:35:40,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-23 20:35:40,636 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 221 transitions. [2023-11-23 20:35:40,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-23 20:35:40,649 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:35:40,649 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:35:40,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -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 [2023-11-23 20:35:40,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:35:40,863 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:35:40,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:35:40,864 INFO L85 PathProgramCache]: Analyzing trace with hash 269753589, now seen corresponding path program 1 times [2023-11-23 20:35:40,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:35:40,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [33279171] [2023-11-23 20:35:40,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:35:40,867 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 [2023-11-23 20:35:40,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:35:40,869 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -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) [2023-11-23 20:35:40,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -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 [2023-11-23 20:35:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:35:41,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:35:41,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:35:41,700 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-23 20:35:41,700 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:35:41,700 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:35:41,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [33279171] [2023-11-23 20:35:41,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [33279171] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:35:41,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:35:41,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:35:41,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675863744] [2023-11-23 20:35:41,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:35:41,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 20:35:41,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:35:41,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 20:35:41,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:35:41,705 INFO L87 Difference]: Start difference. First operand 149 states and 221 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-23 20:35:41,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:35:41,902 INFO L93 Difference]: Finished difference Result 318 states and 471 transitions. [2023-11-23 20:35:41,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 20:35:41,904 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2023-11-23 20:35:41,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:35:41,907 INFO L225 Difference]: With dead ends: 318 [2023-11-23 20:35:41,907 INFO L226 Difference]: Without dead ends: 170 [2023-11-23 20:35:41,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-23 20:35:41,919 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 46 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:35:41,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 830 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 20:35:41,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2023-11-23 20:35:41,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 153. [2023-11-23 20:35:41,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 134 states have (on average 1.4253731343283582) internal successors, (191), 134 states have internal predecessors, (191), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-23 20:35:41,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 225 transitions. [2023-11-23 20:35:41,953 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 225 transitions. Word has length 150 [2023-11-23 20:35:41,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:35:41,954 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 225 transitions. [2023-11-23 20:35:41,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-23 20:35:41,955 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 225 transitions. [2023-11-23 20:35:41,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-23 20:35:41,957 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:35:41,957 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:35:41,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -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 [2023-11-23 20:35:42,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:35:42,179 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:35:42,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:35:42,179 INFO L85 PathProgramCache]: Analyzing trace with hash -539593037, now seen corresponding path program 1 times [2023-11-23 20:35:42,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:35:42,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [455691707] [2023-11-23 20:35:42,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:35:42,181 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 [2023-11-23 20:35:42,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:35:42,183 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -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) [2023-11-23 20:35:42,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -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 [2023-11-23 20:35:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:35:42,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:35:42,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:35:42,951 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-23 20:35:42,952 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:35:42,952 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:35:42,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [455691707] [2023-11-23 20:35:42,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [455691707] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:35:42,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:35:42,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 20:35:42,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997884770] [2023-11-23 20:35:42,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:35:42,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:35:42,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:35:42,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:35:42,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:35:42,955 INFO L87 Difference]: Start difference. First operand 153 states and 225 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-23 20:35:43,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:35:43,256 INFO L93 Difference]: Finished difference Result 325 states and 476 transitions. [2023-11-23 20:35:43,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 20:35:43,257 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2023-11-23 20:35:43,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:35:43,260 INFO L225 Difference]: With dead ends: 325 [2023-11-23 20:35:43,260 INFO L226 Difference]: Without dead ends: 173 [2023-11-23 20:35:43,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-23 20:35:43,262 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 49 mSDsluCounter, 825 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 1031 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 20:35:43,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 1031 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 20:35:43,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2023-11-23 20:35:43,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 155. [2023-11-23 20:35:43,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 136 states have (on average 1.4191176470588236) internal successors, (193), 136 states have internal predecessors, (193), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-23 20:35:43,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 227 transitions. [2023-11-23 20:35:43,278 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 227 transitions. Word has length 150 [2023-11-23 20:35:43,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:35:43,279 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 227 transitions. [2023-11-23 20:35:43,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-23 20:35:43,280 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 227 transitions. [2023-11-23 20:35:43,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-23 20:35:43,282 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:35:43,283 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:35:43,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -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 [2023-11-23 20:35:43,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:35:43,503 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:35:43,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:35:43,503 INFO L85 PathProgramCache]: Analyzing trace with hash -482334735, now seen corresponding path program 1 times [2023-11-23 20:35:43,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:35:43,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [6262926] [2023-11-23 20:35:43,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:35:43,504 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 [2023-11-23 20:35:43,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:35:43,507 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -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) [2023-11-23 20:35:43,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -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 [2023-11-23 20:35:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:35:44,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:35:44,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:35:44,311 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-23 20:35:44,312 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:35:44,312 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:35:44,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [6262926] [2023-11-23 20:35:44,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [6262926] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:35:44,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:35:44,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 20:35:44,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358336656] [2023-11-23 20:35:44,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:35:44,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 20:35:44,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:35:44,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 20:35:44,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-23 20:35:44,315 INFO L87 Difference]: Start difference. First operand 155 states and 227 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-23 20:35:44,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:35:44,724 INFO L93 Difference]: Finished difference Result 328 states and 476 transitions. [2023-11-23 20:35:44,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-23 20:35:44,725 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2023-11-23 20:35:44,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:35:44,727 INFO L225 Difference]: With dead ends: 328 [2023-11-23 20:35:44,727 INFO L226 Difference]: Without dead ends: 174 [2023-11-23 20:35:44,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2023-11-23 20:35:44,729 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 40 mSDsluCounter, 1021 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 1226 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 20:35:44,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 1226 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 20:35:44,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2023-11-23 20:35:44,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 157. [2023-11-23 20:35:44,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 138 states have (on average 1.4130434782608696) internal successors, (195), 138 states have internal predecessors, (195), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-23 20:35:44,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 229 transitions. [2023-11-23 20:35:44,742 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 229 transitions. Word has length 150 [2023-11-23 20:35:44,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:35:44,742 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 229 transitions. [2023-11-23 20:35:44,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-23 20:35:44,743 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 229 transitions. [2023-11-23 20:35:44,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-23 20:35:44,745 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:35:44,746 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:35:44,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -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 [2023-11-23 20:35:44,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:35:44,969 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:35:44,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:35:44,969 INFO L85 PathProgramCache]: Analyzing trace with hash -482275153, now seen corresponding path program 1 times [2023-11-23 20:35:44,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:35:44,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1766706921] [2023-11-23 20:35:44,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:35:44,971 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 [2023-11-23 20:35:44,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:35:44,972 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -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) [2023-11-23 20:35:45,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -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 [2023-11-23 20:35:45,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:35:45,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:35:45,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:35:46,310 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:35:46,311 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 [2023-11-23 20:35:46,377 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2023-11-23 20:35:46,377 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:35:46,377 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:35:46,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1766706921] [2023-11-23 20:35:46,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1766706921] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:35:46,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:35:46,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:35:46,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867384568] [2023-11-23 20:35:46,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:35:46,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:35:46,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:35:46,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:35:46,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:35:46,381 INFO L87 Difference]: Start difference. First operand 157 states and 229 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 20:35:50,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:35:50,186 INFO L93 Difference]: Finished difference Result 319 states and 466 transitions. [2023-11-23 20:35:50,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 20:35:50,188 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 150 [2023-11-23 20:35:50,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:35:50,190 INFO L225 Difference]: With dead ends: 319 [2023-11-23 20:35:50,190 INFO L226 Difference]: Without dead ends: 163 [2023-11-23 20:35:50,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-23 20:35:50,192 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 167 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-23 20:35:50,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 586 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-23 20:35:50,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2023-11-23 20:35:50,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 157. [2023-11-23 20:35:50,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 138 states have (on average 1.4057971014492754) internal successors, (194), 138 states have internal predecessors, (194), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-23 20:35:50,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 228 transitions. [2023-11-23 20:35:50,202 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 228 transitions. Word has length 150 [2023-11-23 20:35:50,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:35:50,203 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 228 transitions. [2023-11-23 20:35:50,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 20:35:50,204 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 228 transitions. [2023-11-23 20:35:50,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-23 20:35:50,206 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:35:50,206 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:35:50,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -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 [2023-11-23 20:35:50,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:35:50,422 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:35:50,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:35:50,423 INFO L85 PathProgramCache]: Analyzing trace with hash -686204439, now seen corresponding path program 1 times [2023-11-23 20:35:50,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:35:50,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [114391409] [2023-11-23 20:35:50,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:35:50,424 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 [2023-11-23 20:35:50,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:35:50,428 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -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) [2023-11-23 20:35:50,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -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 [2023-11-23 20:35:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:35:51,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:35:51,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:35:51,621 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:35:51,622 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 [2023-11-23 20:35:51,663 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-23 20:35:51,663 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:35:51,663 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:35:51,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [114391409] [2023-11-23 20:35:51,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [114391409] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:35:51,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:35:51,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:35:51,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439574904] [2023-11-23 20:35:51,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:35:51,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:35:51,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:35:51,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:35:51,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:35:51,666 INFO L87 Difference]: Start difference. First operand 157 states and 228 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 20:35:54,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:35:54,472 INFO L93 Difference]: Finished difference Result 317 states and 461 transitions. [2023-11-23 20:35:54,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 20:35:54,474 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 152 [2023-11-23 20:35:54,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:35:54,478 INFO L225 Difference]: With dead ends: 317 [2023-11-23 20:35:54,478 INFO L226 Difference]: Without dead ends: 161 [2023-11-23 20:35:54,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-23 20:35:54,481 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 165 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-23 20:35:54,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 577 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-23 20:35:54,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2023-11-23 20:35:54,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 155. [2023-11-23 20:35:54,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 136 states have (on average 1.4044117647058822) internal successors, (191), 136 states have internal predecessors, (191), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-23 20:35:54,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 225 transitions. [2023-11-23 20:35:54,503 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 225 transitions. Word has length 152 [2023-11-23 20:35:54,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:35:54,504 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 225 transitions. [2023-11-23 20:35:54,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 20:35:54,504 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 225 transitions. [2023-11-23 20:35:54,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-23 20:35:54,507 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:35:54,507 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:35:54,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -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 [2023-11-23 20:35:54,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:35:54,722 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:35:54,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:35:54,723 INFO L85 PathProgramCache]: Analyzing trace with hash -64422543, now seen corresponding path program 1 times [2023-11-23 20:35:54,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:35:54,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1504537205] [2023-11-23 20:35:54,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:35:54,724 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 [2023-11-23 20:35:54,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:35:54,726 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -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) [2023-11-23 20:35:54,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -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 [2023-11-23 20:35:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:35:55,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:35:55,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:35:56,071 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:35:56,071 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 [2023-11-23 20:35:56,196 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-23 20:35:56,196 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:35:56,624 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:35:56,624 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 [2023-11-23 20:35:56,681 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-11-23 20:35:56,682 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:35:56,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1504537205] [2023-11-23 20:35:56,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1504537205] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-23 20:35:56,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 20:35:56,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 12 [2023-11-23 20:35:56,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839759967] [2023-11-23 20:35:56,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:35:56,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 20:35:56,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:35:56,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 20:35:56,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-11-23 20:35:56,685 INFO L87 Difference]: Start difference. First operand 155 states and 225 transitions. Second operand has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 8 states have internal predecessors, (75), 2 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 20:35:59,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:35:59,917 INFO L93 Difference]: Finished difference Result 322 states and 464 transitions. [2023-11-23 20:35:59,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 20:35:59,919 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 8 states have internal predecessors, (75), 2 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 154 [2023-11-23 20:35:59,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:35:59,920 INFO L225 Difference]: With dead ends: 322 [2023-11-23 20:35:59,920 INFO L226 Difference]: Without dead ends: 157 [2023-11-23 20:35:59,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2023-11-23 20:35:59,922 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 19 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-23 20:35:59,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 812 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-23 20:35:59,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2023-11-23 20:35:59,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 155. [2023-11-23 20:35:59,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 136 states have (on average 1.3897058823529411) internal successors, (189), 136 states have internal predecessors, (189), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-23 20:35:59,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 223 transitions. [2023-11-23 20:35:59,933 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 223 transitions. Word has length 154 [2023-11-23 20:35:59,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:35:59,933 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 223 transitions. [2023-11-23 20:35:59,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 8 states have internal predecessors, (75), 2 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 20:35:59,934 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 223 transitions. [2023-11-23 20:35:59,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-23 20:35:59,936 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:35:59,936 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:35:59,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-11-23 20:36:00,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:36:00,155 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:36:00,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:36:00,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1780944623, now seen corresponding path program 1 times [2023-11-23 20:36:00,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:36:00,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [374679587] [2023-11-23 20:36:00,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:00,156 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 [2023-11-23 20:36:00,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:36:00,157 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -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) [2023-11-23 20:36:00,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-11-23 20:36:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:36:00,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:36:00,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:36:00,937 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 45 treesize of output 21 [2023-11-23 20:36:00,973 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-23 20:36:00,974 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:36:00,974 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:36:00,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [374679587] [2023-11-23 20:36:00,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [374679587] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:36:00,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:36:00,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 20:36:00,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477301631] [2023-11-23 20:36:00,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:36:00,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 20:36:00,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:36:00,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 20:36:00,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 20:36:00,977 INFO L87 Difference]: Start difference. First operand 155 states and 223 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-23 20:36:03,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:36:05,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:36:05,404 INFO L93 Difference]: Finished difference Result 313 states and 452 transitions. [2023-11-23 20:36:05,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 20:36:05,408 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2023-11-23 20:36:05,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:36:05,410 INFO L225 Difference]: With dead ends: 313 [2023-11-23 20:36:05,410 INFO L226 Difference]: Without dead ends: 159 [2023-11-23 20:36:05,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 20:36:05,411 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 1 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-23 20:36:05,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 301 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 127 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2023-11-23 20:36:05,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2023-11-23 20:36:05,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 158. [2023-11-23 20:36:05,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 139 states have (on average 1.3884892086330936) internal successors, (193), 139 states have internal predecessors, (193), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-23 20:36:05,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 227 transitions. [2023-11-23 20:36:05,421 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 227 transitions. Word has length 154 [2023-11-23 20:36:05,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:36:05,421 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 227 transitions. [2023-11-23 20:36:05,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-23 20:36:05,422 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 227 transitions. [2023-11-23 20:36:05,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-23 20:36:05,424 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:36:05,424 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:36:05,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2023-11-23 20:36:05,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:36:05,641 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:36:05,642 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:36:05,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1999799341, now seen corresponding path program 1 times [2023-11-23 20:36:05,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:36:05,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2092157832] [2023-11-23 20:36:05,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:05,643 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 [2023-11-23 20:36:05,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:36:05,644 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -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) [2023-11-23 20:36:05,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ae7bad5-3ae6-490c-9517-b1fafd1478d1/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-11-23 20:36:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:36:06,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-23 20:36:06,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:36:11,433 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:36:11,433 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 152 treesize of output 62 [2023-11-23 20:36:11,493 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-23 20:36:11,493 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:36:11,494 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:36:11,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2092157832] [2023-11-23 20:36:11,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2092157832] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:36:11,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:36:11,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-23 20:36:11,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580260397] [2023-11-23 20:36:11,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:36:11,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 20:36:11,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:36:11,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 20:36:11,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-23 20:36:11,495 INFO L87 Difference]: Start difference. First operand 158 states and 227 transitions. Second operand has 9 states, 9 states have (on average 8.0) internal successors, (72), 9 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17)