./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-21.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6d3c7b5e20b9cb5aff7067fd2169333c3619ec19d2be169214693b588a238e0b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:17:55,324 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:17:55,453 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:17:55,461 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:17:55,462 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:17:55,504 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:17:55,505 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:17:55,506 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:17:55,507 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:17:55,512 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:17:55,513 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:17:55,514 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:17:55,515 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:17:55,517 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:17:55,517 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:17:55,518 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:17:55,518 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:17:55,519 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:17:55,519 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:17:55,520 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:17:55,521 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:17:55,521 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:17:55,523 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:17:55,523 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:17:55,524 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:17:55,526 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:17:55,526 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:17:55,527 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:17:55,527 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:17:55,528 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:17:55,529 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:17:55,529 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:17:55,530 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:17:55,530 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:17:55,531 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:17:55,531 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:17:55,531 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:17:55,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:17:55,532 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:17:55,532 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:17:55,533 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:17:55,533 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:17:55,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:17:55,534 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:17:55,535 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:17:55,535 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:17:55,535 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:17:55,536 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_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d3c7b5e20b9cb5aff7067fd2169333c3619ec19d2be169214693b588a238e0b [2023-11-24 23:17:55,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:17:55,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:17:55,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:17:55,874 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:17:55,874 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:17:55,876 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-21.i [2023-11-24 23:17:59,209 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:17:59,499 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:17:59,500 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-21.i [2023-11-24 23:17:59,509 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/data/3e2a2c0df/8b888c8d34c64945b811cf3d8b0421b7/FLAG7e391623b [2023-11-24 23:17:59,526 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/data/3e2a2c0df/8b888c8d34c64945b811cf3d8b0421b7 [2023-11-24 23:17:59,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:17:59,530 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:17:59,532 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:17:59,532 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:17:59,538 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:17:59,539 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:17:59" (1/1) ... [2023-11-24 23:17:59,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@519f6d4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:59, skipping insertion in model container [2023-11-24 23:17:59,540 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:17:59" (1/1) ... [2023-11-24 23:17:59,575 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:17:59,736 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_af91f96a-3e24-42c6-be87-cfdbef18900c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-21.i[916,929] [2023-11-24 23:17:59,815 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:17:59,829 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:17:59,843 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_af91f96a-3e24-42c6-be87-cfdbef18900c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-21.i[916,929] [2023-11-24 23:17:59,879 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:17:59,916 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:17:59,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:59 WrapperNode [2023-11-24 23:17:59,917 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:17:59,918 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:17:59,919 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:17:59,919 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:17:59,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:59" (1/1) ... [2023-11-24 23:17:59,958 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:59" (1/1) ... [2023-11-24 23:18:00,023 INFO L138 Inliner]: procedures = 29, calls = 110, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 358 [2023-11-24 23:18:00,023 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:18:00,024 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:18:00,024 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:18:00,024 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:18:00,036 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:59" (1/1) ... [2023-11-24 23:18:00,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:59" (1/1) ... [2023-11-24 23:18:00,053 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:59" (1/1) ... [2023-11-24 23:18:00,053 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:59" (1/1) ... [2023-11-24 23:18:00,086 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:59" (1/1) ... [2023-11-24 23:18:00,091 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:59" (1/1) ... [2023-11-24 23:18:00,094 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:59" (1/1) ... [2023-11-24 23:18:00,113 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:59" (1/1) ... [2023-11-24 23:18:00,122 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:18:00,123 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:18:00,123 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:18:00,123 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:18:00,124 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:59" (1/1) ... [2023-11-24 23:18:00,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:18:00,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:18:00,158 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:18:00,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:18:00,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:18:00,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-24 23:18:00,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:18:00,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-24 23:18:00,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:18:00,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-24 23:18:00,213 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:18:00,214 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:18:00,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:18:00,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:18:00,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:18:00,330 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:18:00,333 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:18:00,849 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:18:01,450 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:18:01,450 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:18:01,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:18:01 BoogieIcfgContainer [2023-11-24 23:18:01,452 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:18:01,455 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:18:01,455 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:18:01,458 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:18:01,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:17:59" (1/3) ... [2023-11-24 23:18:01,460 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bc662ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:18:01, skipping insertion in model container [2023-11-24 23:18:01,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:59" (2/3) ... [2023-11-24 23:18:01,461 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bc662ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:18:01, skipping insertion in model container [2023-11-24 23:18:01,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:18:01" (3/3) ... [2023-11-24 23:18:01,462 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-21.i [2023-11-24 23:18:01,489 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:18:01,489 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:18:01,583 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:18:01,593 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;@47d4e7ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:18:01,594 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:18:01,600 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 14 states have internal predecessors, (16), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-24 23:18:01,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:18:01,609 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:18:01,611 INFO L195 NwaCegarLoop]: trace histogram [7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:18:01,614 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:18:01,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:18:01,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1568956817, now seen corresponding path program 1 times [2023-11-24 23:18:01,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:18:01,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931911662] [2023-11-24 23:18:01,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:18:01,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:18:01,910 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:18:01,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [422947784] [2023-11-24 23:18:01,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:18:01,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:18:01,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:18:01,916 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:18:01,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:18:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:18:02,581 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:18:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:18:02,993 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:18:02,996 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:18:02,997 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:18:03,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:18:03,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:18:03,214 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:18:03,218 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:18:03,271 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated [2023-11-24 23:18:03,272 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-24 23:18:03,283 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-24 23:18:03,284 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short29 could not be translated [2023-11-24 23:18:03,284 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short33 could not be translated [2023-11-24 23:18:03,286 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated [2023-11-24 23:18:03,286 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short32 could not be translated [2023-11-24 23:18:03,286 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short29 could not be translated [2023-11-24 23:18:03,287 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated [2023-11-24 23:18:03,287 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short33 could not be translated [2023-11-24 23:18:03,287 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-24 23:18:03,288 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated [2023-11-24 23:18:03,288 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-24 23:18:03,288 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short32 could not be translated [2023-11-24 23:18:03,288 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-24 23:18:03,289 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-24 23:18:03,289 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-24 23:18:03,289 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated [2023-11-24 23:18:03,289 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated [2023-11-24 23:18:03,289 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated [2023-11-24 23:18:03,289 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-24 23:18:03,290 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-24 23:18:03,290 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-24 23:18:03,290 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated [2023-11-24 23:18:03,290 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-24 23:18:03,291 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated [2023-11-24 23:18:03,291 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated [2023-11-24 23:18:03,291 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-24 23:18:03,291 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-24 23:18:03,292 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated [2023-11-24 23:18:03,292 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated [2023-11-24 23:18:03,292 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-24 23:18:03,292 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated [2023-11-24 23:18:03,292 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-24 23:18:03,292 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-24 23:18:03,293 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-24 23:18:03,293 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated [2023-11-24 23:18:03,293 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated [2023-11-24 23:18:03,293 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-24 23:18:03,294 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-24 23:18:03,294 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-24 23:18:03,294 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated [2023-11-24 23:18:03,294 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-24 23:18:03,295 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-24 23:18:03,295 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-24 23:18:03,296 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-24 23:18:03,296 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-24 23:18:03,296 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-24 23:18:03,296 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-24 23:18:03,296 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-24 23:18:03,297 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-24 23:18:03,297 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated [2023-11-24 23:18:03,297 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-24 23:18:03,297 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-24 23:18:03,298 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated [2023-11-24 23:18:03,298 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-24 23:18:03,298 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-24 23:18:03,298 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-24 23:18:03,298 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-24 23:18:03,299 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-24 23:18:03,299 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-24 23:18:03,299 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-24 23:18:03,299 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated [2023-11-24 23:18:03,300 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-11-24 23:18:03,300 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-24 23:18:03,300 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-24 23:18:03,300 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-24 23:18:03,301 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-24 23:18:03,301 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-24 23:18:03,301 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-24 23:18:03,301 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-24 23:18:03,301 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-24 23:18:03,302 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-11-24 23:18:03,302 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated [2023-11-24 23:18:03,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:18:03 BoogieIcfgContainer [2023-11-24 23:18:03,316 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:18:03,317 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:18:03,317 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:18:03,317 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:18:03,317 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:18:01" (3/4) ... [2023-11-24 23:18:03,319 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:18:03,321 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:18:03,322 INFO L158 Benchmark]: Toolchain (without parser) took 3791.39ms. Allocated memory is still 151.0MB. Free memory was 106.3MB in the beginning and 61.3MB in the end (delta: 45.0MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2023-11-24 23:18:03,322 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 125.8MB. Free memory was 71.8MB in the beginning and 71.6MB in the end (delta: 178.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:18:03,323 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.46ms. Allocated memory is still 151.0MB. Free memory was 106.0MB in the beginning and 91.7MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:18:03,324 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.05ms. Allocated memory is still 151.0MB. Free memory was 91.7MB in the beginning and 88.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:18:03,324 INFO L158 Benchmark]: Boogie Preprocessor took 98.14ms. Allocated memory is still 151.0MB. Free memory was 88.4MB in the beginning and 85.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:18:03,325 INFO L158 Benchmark]: RCFGBuilder took 1329.56ms. Allocated memory is still 151.0MB. Free memory was 85.4MB in the beginning and 57.7MB in the end (delta: 27.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-24 23:18:03,326 INFO L158 Benchmark]: TraceAbstraction took 1861.52ms. Allocated memory is still 151.0MB. Free memory was 57.0MB in the beginning and 61.3MB in the end (delta: -4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:18:03,326 INFO L158 Benchmark]: Witness Printer took 4.08ms. Allocated memory is still 151.0MB. Free memory is still 61.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:18:03,330 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 125.8MB. Free memory was 71.8MB in the beginning and 71.6MB in the end (delta: 178.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 385.46ms. Allocated memory is still 151.0MB. Free memory was 106.0MB in the beginning and 91.7MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.05ms. Allocated memory is still 151.0MB. Free memory was 91.7MB in the beginning and 88.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.14ms. Allocated memory is still 151.0MB. Free memory was 88.4MB in the beginning and 85.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1329.56ms. Allocated memory is still 151.0MB. Free memory was 85.4MB in the beginning and 57.7MB in the end (delta: 27.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1861.52ms. Allocated memory is still 151.0MB. Free memory was 57.0MB in the beginning and 61.3MB in the end (delta: -4.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.08ms. Allocated memory is still 151.0MB. Free memory is still 61.3MB. 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~mem28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short29 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short29 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short68 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 60, overapproximation of someBinaryFLOATComparisonOperation at line 87. Possible FailurePath: [L33] unsigned char isInitial = 0; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 32, 0, 15.6, 15.4, 32.2, 1, 256, 5.75, 8.6 }; [L45] unsigned char last_1_WrapperStruct0_var_1_7 = 0; [L46] signed short int last_1_WrapperStruct0_var_1_13 = 256; [L98] isInitial = 1 [L99] FCALL initially() [L100] COND TRUE 1 [L101] CALL updateLastVariables() [L90] EXPR WrapperStruct0.var_1_7 [L90] last_1_WrapperStruct0_var_1_7 = WrapperStruct0.var_1_7 [L91] EXPR WrapperStruct0.var_1_13 [L91] last_1_WrapperStruct0_var_1_13 = WrapperStruct0.var_1_13 [L101] RET updateLastVariables() [L102] CALL updateVariables() [L75] WrapperStruct0.var_1_8 = __VERIFIER_nondet_double() [L76] EXPR WrapperStruct0.var_1_8 [L76] EXPR WrapperStruct0.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F [L76] EXPR (WrapperStruct0.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F) || (WrapperStruct0.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_8 >= 1.0e-20F ) [L76] EXPR WrapperStruct0.var_1_8 [L76] EXPR WrapperStruct0.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_8 >= 1.0e-20F [L76] EXPR WrapperStruct0.var_1_8 [L76] EXPR WrapperStruct0.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_8 >= 1.0e-20F [L76] EXPR (WrapperStruct0.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F) || (WrapperStruct0.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L76] CALL assume_abort_if_not((WrapperStruct0.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F) || (WrapperStruct0.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not((WrapperStruct0.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F) || (WrapperStruct0.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L77] WrapperStruct0.var_1_9 = __VERIFIER_nondet_double() [L78] EXPR WrapperStruct0.var_1_9 [L78] EXPR WrapperStruct0.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_9 <= -1.0e-20F [L78] EXPR (WrapperStruct0.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_9 <= -1.0e-20F) || (WrapperStruct0.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_9 >= 1.0e-20F ) [L78] EXPR WrapperStruct0.var_1_9 [L78] EXPR WrapperStruct0.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_9 >= 1.0e-20F [L78] EXPR WrapperStruct0.var_1_9 [L78] EXPR WrapperStruct0.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_9 >= 1.0e-20F [L78] EXPR (WrapperStruct0.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_9 <= -1.0e-20F) || (WrapperStruct0.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L78] CALL assume_abort_if_not((WrapperStruct0.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_9 <= -1.0e-20F) || (WrapperStruct0.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not((WrapperStruct0.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_9 <= -1.0e-20F) || (WrapperStruct0.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L79] WrapperStruct0.var_1_10 = __VERIFIER_nondet_double() [L80] EXPR WrapperStruct0.var_1_10 [L80] EXPR WrapperStruct0.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_10 <= -1.0e-20F [L80] EXPR WrapperStruct0.var_1_10 [L80] EXPR WrapperStruct0.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_10 <= -1.0e-20F [L80] EXPR (WrapperStruct0.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_10 <= -1.0e-20F) || (WrapperStruct0.var_1_10 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L80] CALL assume_abort_if_not((WrapperStruct0.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_10 <= -1.0e-20F) || (WrapperStruct0.var_1_10 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((WrapperStruct0.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_10 <= -1.0e-20F) || (WrapperStruct0.var_1_10 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L81] WrapperStruct0.var_1_12 = __VERIFIER_nondet_uchar() [L82] EXPR WrapperStruct0.var_1_12 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L82] CALL assume_abort_if_not(WrapperStruct0.var_1_12 >= 1) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(WrapperStruct0.var_1_12 >= 1) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L83] EXPR WrapperStruct0.var_1_12 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L83] CALL assume_abort_if_not(WrapperStruct0.var_1_12 <= 1) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(WrapperStruct0.var_1_12 <= 1) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L84] WrapperStruct0.var_1_14 = __VERIFIER_nondet_float() [L85] EXPR WrapperStruct0.var_1_14 [L85] EXPR WrapperStruct0.var_1_14 >= 0.0F && WrapperStruct0.var_1_14 <= -1.0e-20F [L85] EXPR WrapperStruct0.var_1_14 [L85] EXPR WrapperStruct0.var_1_14 >= 0.0F && WrapperStruct0.var_1_14 <= -1.0e-20F [L85] EXPR (WrapperStruct0.var_1_14 >= 0.0F && WrapperStruct0.var_1_14 <= -1.0e-20F) || (WrapperStruct0.var_1_14 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_14 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L85] CALL assume_abort_if_not((WrapperStruct0.var_1_14 >= 0.0F && WrapperStruct0.var_1_14 <= -1.0e-20F) || (WrapperStruct0.var_1_14 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_14 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not((WrapperStruct0.var_1_14 >= 0.0F && WrapperStruct0.var_1_14 <= -1.0e-20F) || (WrapperStruct0.var_1_14 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_14 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L86] WrapperStruct0.var_1_15 = __VERIFIER_nondet_float() [L87] EXPR WrapperStruct0.var_1_15 [L87] EXPR WrapperStruct0.var_1_15 >= 0.0F && WrapperStruct0.var_1_15 <= -1.0e-20F [L87] EXPR WrapperStruct0.var_1_15 [L87] EXPR WrapperStruct0.var_1_15 >= 0.0F && WrapperStruct0.var_1_15 <= -1.0e-20F [L87] EXPR (WrapperStruct0.var_1_15 >= 0.0F && WrapperStruct0.var_1_15 <= -1.0e-20F) || (WrapperStruct0.var_1_15 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_15 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L87] CALL assume_abort_if_not((WrapperStruct0.var_1_15 >= 0.0F && WrapperStruct0.var_1_15 <= -1.0e-20F) || (WrapperStruct0.var_1_15 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_15 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not((WrapperStruct0.var_1_15 >= 0.0F && WrapperStruct0.var_1_15 <= -1.0e-20F) || (WrapperStruct0.var_1_15 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_15 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L102] RET updateVariables() [L103] CALL step() [L50] COND TRUE (last_1_WrapperStruct0_var_1_13 + ((((last_1_WrapperStruct0_var_1_13) > (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))) < (last_1_WrapperStruct0_var_1_13 * last_1_WrapperStruct0_var_1_13) [L51] COND FALSE !(last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) [L59] WrapperStruct0.var_1_12 [L59] COND TRUE WrapperStruct0.var_1_12 [L60] EXPR WrapperStruct0.var_1_14 [L60] EXPR WrapperStruct0.var_1_15 [L60] EXPR WrapperStruct0.var_1_8 [L60] EXPR WrapperStruct0.var_1_10 [L60] EXPR WrapperStruct0.var_1_9 [L60] COND FALSE !((WrapperStruct0.var_1_14 - WrapperStruct0.var_1_15) >= ((WrapperStruct0.var_1_8 + WrapperStruct0.var_1_10) + WrapperStruct0.var_1_9)) [L63] EXPR WrapperStruct0.var_1_1 [L63] WrapperStruct0.var_1_13 = WrapperStruct0.var_1_1 [L66] EXPR WrapperStruct0.var_1_8 [L66] EXPR WrapperStruct0.var_1_9 [L66] EXPR ((WrapperStruct0.var_1_8) < (WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_8) : (WrapperStruct0.var_1_9) [L66] EXPR WrapperStruct0.var_1_9 [L66] EXPR ((WrapperStruct0.var_1_8) < (WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_8) : (WrapperStruct0.var_1_9) [L66] EXPR WrapperStruct0.var_1_10 [L66] COND TRUE ((((WrapperStruct0.var_1_8) < (WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_8) : (WrapperStruct0.var_1_9))) <= WrapperStruct0.var_1_10 [L67] last_1_WrapperStruct0_var_1_7 && (WrapperStruct0.var_1_1 >= WrapperStruct0.var_1_1) [L67] COND FALSE !(last_1_WrapperStruct0_var_1_7 && (WrapperStruct0.var_1_1 >= WrapperStruct0.var_1_1)) [L103] RET step() [L104] CALL, EXPR property() [L94] EXPR ((last_1_WrapperStruct0_var_1_13 + ((((last_1_WrapperStruct0_var_1_13) > (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))) < (last_1_WrapperStruct0_var_1_13 * last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? (WrapperStruct0.var_1_1 == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1) : (WrapperStruct0.var_1_1 == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) [L94] EXPR (last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? (WrapperStruct0.var_1_1 == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1 [L94] EXPR ((last_1_WrapperStruct0_var_1_13 + ((((last_1_WrapperStruct0_var_1_13) > (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))) < (last_1_WrapperStruct0_var_1_13 * last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? (WrapperStruct0.var_1_1 == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1) : (WrapperStruct0.var_1_1 == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) [L94] EXPR (((last_1_WrapperStruct0_var_1_13 + ((((last_1_WrapperStruct0_var_1_13) > (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))) < (last_1_WrapperStruct0_var_1_13 * last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? (WrapperStruct0.var_1_1 == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1) : (WrapperStruct0.var_1_1 == ((unsigned short int) last_1_WrapperStruct0_var_1_13))) && ((((((WrapperStruct0.var_1_8) < (WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_8) : (WrapperStruct0.var_1_9))) <= WrapperStruct0.var_1_10) ? ((last_1_WrapperStruct0_var_1_7 && (WrapperStruct0.var_1_1 >= WrapperStruct0.var_1_1)) ? (WrapperStruct0.var_1_7 == ((unsigned char) 0)) : 1) : (WrapperStruct0.var_1_7 == ((unsigned char) WrapperStruct0.var_1_12))) [L94] EXPR WrapperStruct0.var_1_8 [L94] EXPR WrapperStruct0.var_1_9 [L94] EXPR ((WrapperStruct0.var_1_8) < (WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_8) : (WrapperStruct0.var_1_9) [L94] EXPR WrapperStruct0.var_1_8 [L94] EXPR ((WrapperStruct0.var_1_8) < (WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_8) : (WrapperStruct0.var_1_9) [L94] EXPR WrapperStruct0.var_1_10 [L94] EXPR (((((WrapperStruct0.var_1_8) < (WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_8) : (WrapperStruct0.var_1_9))) <= WrapperStruct0.var_1_10) ? ((last_1_WrapperStruct0_var_1_7 && (WrapperStruct0.var_1_1 >= WrapperStruct0.var_1_1)) ? (WrapperStruct0.var_1_7 == ((unsigned char) 0)) : 1) : (WrapperStruct0.var_1_7 == ((unsigned char) WrapperStruct0.var_1_12)) [L94] EXPR WrapperStruct0.var_1_7 [L94] EXPR WrapperStruct0.var_1_12 [L94] EXPR (((((WrapperStruct0.var_1_8) < (WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_8) : (WrapperStruct0.var_1_9))) <= WrapperStruct0.var_1_10) ? ((last_1_WrapperStruct0_var_1_7 && (WrapperStruct0.var_1_1 >= WrapperStruct0.var_1_1)) ? (WrapperStruct0.var_1_7 == ((unsigned char) 0)) : 1) : (WrapperStruct0.var_1_7 == ((unsigned char) WrapperStruct0.var_1_12)) [L94] EXPR (((last_1_WrapperStruct0_var_1_13 + ((((last_1_WrapperStruct0_var_1_13) > (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))) < (last_1_WrapperStruct0_var_1_13 * last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? (WrapperStruct0.var_1_1 == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1) : (WrapperStruct0.var_1_1 == ((unsigned short int) last_1_WrapperStruct0_var_1_13))) && ((((((WrapperStruct0.var_1_8) < (WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_8) : (WrapperStruct0.var_1_9))) <= WrapperStruct0.var_1_10) ? ((last_1_WrapperStruct0_var_1_7 && (WrapperStruct0.var_1_1 >= WrapperStruct0.var_1_1)) ? (WrapperStruct0.var_1_7 == ((unsigned char) 0)) : 1) : (WrapperStruct0.var_1_7 == ((unsigned char) WrapperStruct0.var_1_12))) [L94] EXPR ((((last_1_WrapperStruct0_var_1_13 + ((((last_1_WrapperStruct0_var_1_13) > (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))) < (last_1_WrapperStruct0_var_1_13 * last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? (WrapperStruct0.var_1_1 == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1) : (WrapperStruct0.var_1_1 == ((unsigned short int) last_1_WrapperStruct0_var_1_13))) && ((((((WrapperStruct0.var_1_8) < (WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_8) : (WrapperStruct0.var_1_9))) <= WrapperStruct0.var_1_10) ? ((last_1_WrapperStruct0_var_1_7 && (WrapperStruct0.var_1_1 >= WrapperStruct0.var_1_1)) ? (WrapperStruct0.var_1_7 == ((unsigned char) 0)) : 1) : (WrapperStruct0.var_1_7 == ((unsigned char) WrapperStruct0.var_1_12)))) && (WrapperStruct0.var_1_12 ? (((WrapperStruct0.var_1_14 - WrapperStruct0.var_1_15) >= ((WrapperStruct0.var_1_8 + WrapperStruct0.var_1_10) + WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_13 == ((signed short int) ((((WrapperStruct0.var_1_1) > (WrapperStruct0.var_1_1)) ? (WrapperStruct0.var_1_1) : (WrapperStruct0.var_1_1))))) : (WrapperStruct0.var_1_13 == ((signed short int) WrapperStruct0.var_1_1))) : 1) [L94-L95] return ((((last_1_WrapperStruct0_var_1_13 + ((((last_1_WrapperStruct0_var_1_13) > (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))) < (last_1_WrapperStruct0_var_1_13 * last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? (WrapperStruct0.var_1_1 == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1) : (WrapperStruct0.var_1_1 == ((unsigned short int) last_1_WrapperStruct0_var_1_13))) && ((((((WrapperStruct0.var_1_8) < (WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_8) : (WrapperStruct0.var_1_9))) <= WrapperStruct0.var_1_10) ? ((last_1_WrapperStruct0_var_1_7 && (WrapperStruct0.var_1_1 >= WrapperStruct0.var_1_1)) ? (WrapperStruct0.var_1_7 == ((unsigned char) 0)) : 1) : (WrapperStruct0.var_1_7 == ((unsigned char) WrapperStruct0.var_1_12)))) && (WrapperStruct0.var_1_12 ? (((WrapperStruct0.var_1_14 - WrapperStruct0.var_1_15) >= ((WrapperStruct0.var_1_8 + WrapperStruct0.var_1_10) + WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_13 == ((signed short int) ((((WrapperStruct0.var_1_1) > (WrapperStruct0.var_1_1)) ? (WrapperStruct0.var_1_1) : (WrapperStruct0.var_1_1))))) : (WrapperStruct0.var_1_13 == ((signed short int) WrapperStruct0.var_1_1))) : 1) ; [L104] RET, EXPR property() [L104] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct0={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L19] reach_error() VAL [WrapperStruct0={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 1, TraceHistogramMax: 7, 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=23occurred 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, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:18:03,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6d3c7b5e20b9cb5aff7067fd2169333c3619ec19d2be169214693b588a238e0b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:18:06,008 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:18:06,143 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:18:06,152 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:18:06,152 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:18:06,197 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:18:06,198 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:18:06,199 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:18:06,200 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:18:06,205 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:18:06,205 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:18:06,206 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:18:06,206 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:18:06,208 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:18:06,208 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:18:06,209 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:18:06,210 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:18:06,211 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:18:06,211 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:18:06,212 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:18:06,213 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:18:06,213 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:18:06,214 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:18:06,214 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:18:06,215 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:18:06,215 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:18:06,216 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:18:06,216 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:18:06,217 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:18:06,217 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:18:06,219 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:18:06,219 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:18:06,219 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:18:06,220 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:18:06,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:18:06,221 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:18:06,221 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:18:06,221 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:18:06,221 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:18:06,223 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:18:06,223 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:18:06,223 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:18:06,224 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:18:06,224 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:18:06,225 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_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d3c7b5e20b9cb5aff7067fd2169333c3619ec19d2be169214693b588a238e0b [2023-11-24 23:18:06,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:18:06,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:18:06,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:18:06,646 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:18:06,647 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:18:06,648 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-21.i [2023-11-24 23:18:09,925 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:18:10,234 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:18:10,235 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-21.i [2023-11-24 23:18:10,248 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/data/103af2087/6782e965e2544789ab10047aff64b61a/FLAGac31a4681 [2023-11-24 23:18:10,269 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/data/103af2087/6782e965e2544789ab10047aff64b61a [2023-11-24 23:18:10,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:18:10,276 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:18:10,279 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:18:10,279 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:18:10,284 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:18:10,285 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:18:10" (1/1) ... [2023-11-24 23:18:10,286 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a07b6db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:10, skipping insertion in model container [2023-11-24 23:18:10,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:18:10" (1/1) ... [2023-11-24 23:18:10,327 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:18:10,535 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_af91f96a-3e24-42c6-be87-cfdbef18900c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-21.i[916,929] [2023-11-24 23:18:10,588 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:18:10,603 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:18:10,617 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_af91f96a-3e24-42c6-be87-cfdbef18900c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-21.i[916,929] [2023-11-24 23:18:10,662 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:18:10,690 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:18:10,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:10 WrapperNode [2023-11-24 23:18:10,701 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:18:10,702 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:18:10,702 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:18:10,702 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:18:10,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:10" (1/1) ... [2023-11-24 23:18:10,767 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:10" (1/1) ... [2023-11-24 23:18:10,822 INFO L138 Inliner]: procedures = 36, calls = 110, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 358 [2023-11-24 23:18:10,839 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:18:10,840 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:18:10,841 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:18:10,841 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:18:10,853 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:10" (1/1) ... [2023-11-24 23:18:10,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:10" (1/1) ... [2023-11-24 23:18:10,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:10" (1/1) ... [2023-11-24 23:18:10,868 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:10" (1/1) ... [2023-11-24 23:18:10,892 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:10" (1/1) ... [2023-11-24 23:18:10,898 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:10" (1/1) ... [2023-11-24 23:18:10,902 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:10" (1/1) ... [2023-11-24 23:18:10,905 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:10" (1/1) ... [2023-11-24 23:18:10,912 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:18:10,913 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:18:10,913 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:18:10,914 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:18:10,914 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:10" (1/1) ... [2023-11-24 23:18:10,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:18:10,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:18:10,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:18:10,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:18:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:18:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-24 23:18:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-24 23:18:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-24 23:18:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-24 23:18:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:18:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-24 23:18:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-24 23:18:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-24 23:18:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-24 23:18:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-24 23:18:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:18:11,011 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:18:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:18:11,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:18:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-24 23:18:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-24 23:18:11,170 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:18:11,173 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:18:20,351 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:18:20,439 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:18:20,443 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:18:20,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:18:20 BoogieIcfgContainer [2023-11-24 23:18:20,444 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:18:20,447 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:18:20,448 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:18:20,451 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:18:20,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:18:10" (1/3) ... [2023-11-24 23:18:20,453 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed217ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:18:20, skipping insertion in model container [2023-11-24 23:18:20,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:10" (2/3) ... [2023-11-24 23:18:20,456 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed217ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:18:20, skipping insertion in model container [2023-11-24 23:18:20,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:18:20" (3/3) ... [2023-11-24 23:18:20,459 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-21.i [2023-11-24 23:18:20,478 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:18:20,479 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:18:20,524 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:18:20,530 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;@62e484ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:18:20,531 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:18:20,536 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 79 states have (on average 1.5316455696202531) internal successors, (121), 80 states have internal predecessors, (121), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-24 23:18:20,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-24 23:18:20,552 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:18:20,554 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:18:20,554 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:18:20,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:18:20,562 INFO L85 PathProgramCache]: Analyzing trace with hash -735381027, now seen corresponding path program 1 times [2023-11-24 23:18:20,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:18:20,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2143118450] [2023-11-24 23:18:20,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:18:20,577 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:18:20,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:18:20,579 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:18:20,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-24 23:18:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:18:20,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:18:21,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:18:21,053 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-24 23:18:21,054 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:18:21,054 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:18:21,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2143118450] [2023-11-24 23:18:21,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2143118450] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:18:21,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:18:21,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:18:21,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791755315] [2023-11-24 23:18:21,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:18:21,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:18:21,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:18:21,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:18:21,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:18:21,100 INFO L87 Difference]: Start difference. First operand has 89 states, 79 states have (on average 1.5316455696202531) internal successors, (121), 80 states have internal predecessors, (121), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-24 23:18:21,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:18:21,183 INFO L93 Difference]: Finished difference Result 175 states and 275 transitions. [2023-11-24 23:18:21,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:18:21,185 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 75 [2023-11-24 23:18:21,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:18:21,193 INFO L225 Difference]: With dead ends: 175 [2023-11-24 23:18:21,193 INFO L226 Difference]: Without dead ends: 87 [2023-11-24 23:18:21,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:18:21,201 INFO L413 NwaCegarLoop]: 126 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, 126 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:18:21,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:18:21,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-24 23:18:21,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-11-24 23:18:21,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 78 states have (on average 1.4871794871794872) internal successors, (116), 78 states have internal predecessors, (116), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-24 23:18:21,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 130 transitions. [2023-11-24 23:18:21,262 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 130 transitions. Word has length 75 [2023-11-24 23:18:21,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:18:21,264 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 130 transitions. [2023-11-24 23:18:21,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-24 23:18:21,266 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 130 transitions. [2023-11-24 23:18:21,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-24 23:18:21,271 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:18:21,271 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:18:21,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:18:21,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:18:21,480 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:18:21,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:18:21,481 INFO L85 PathProgramCache]: Analyzing trace with hash 2082953751, now seen corresponding path program 1 times [2023-11-24 23:18:21,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:18:21,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1790042199] [2023-11-24 23:18:21,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:18:21,482 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:18:21,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:18:21,484 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:18:21,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-24 23:18:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:18:21,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:18:21,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:18:21,876 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2023-11-24 23:18:22,220 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-24 23:18:22,220 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:18:22,221 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:18:22,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1790042199] [2023-11-24 23:18:22,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1790042199] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:18:22,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:18:22,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:18:22,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414909845] [2023-11-24 23:18:22,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:18:22,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:18:22,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:18:22,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:18:22,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-24 23:18:22,227 INFO L87 Difference]: Start difference. First operand 87 states and 130 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-24 23:18:24,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:18:26,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:18:28,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:18:30,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:18:32,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:18:34,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:18:36,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:18:39,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:18:41,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:18:43,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:18:45,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:18:47,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:18:49,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:18:49,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:18:49,937 INFO L93 Difference]: Finished difference Result 289 states and 431 transitions. [2023-11-24 23:18:49,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 23:18:49,960 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 75 [2023-11-24 23:18:49,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:18:49,963 INFO L225 Difference]: With dead ends: 289 [2023-11-24 23:18:49,963 INFO L226 Difference]: Without dead ends: 203 [2023-11-24 23:18:49,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:18:49,968 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 221 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 28 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.6s IncrementalHoareTripleChecker+Time [2023-11-24 23:18:49,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 265 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 119 Invalid, 12 Unknown, 0 Unchecked, 27.6s Time] [2023-11-24 23:18:49,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2023-11-24 23:18:50,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 177. [2023-11-24 23:18:50,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 160 states have (on average 1.4625) internal successors, (234), 160 states have internal predecessors, (234), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-24 23:18:50,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 262 transitions. [2023-11-24 23:18:50,010 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 262 transitions. Word has length 75 [2023-11-24 23:18:50,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:18:50,011 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 262 transitions. [2023-11-24 23:18:50,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-24 23:18:50,012 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 262 transitions. [2023-11-24 23:18:50,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-24 23:18:50,015 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:18:50,015 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:18:50,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-24 23:18:50,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:18:50,239 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:18:50,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:18:50,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1726892820, now seen corresponding path program 1 times [2023-11-24 23:18:50,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:18:50,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [712312405] [2023-11-24 23:18:50,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:18:50,240 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:18:50,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:18:50,244 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:18:50,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-24 23:18:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:18:50,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:18:50,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:18:50,679 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-24 23:18:50,680 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:18:50,680 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:18:50,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [712312405] [2023-11-24 23:18:50,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [712312405] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:18:50,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:18:50,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:18:50,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392402562] [2023-11-24 23:18:50,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:18:50,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:18:50,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:18:50,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:18:50,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:18:50,683 INFO L87 Difference]: Start difference. First operand 177 states and 262 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-24 23:18:50,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:18:50,850 INFO L93 Difference]: Finished difference Result 372 states and 551 transitions. [2023-11-24 23:18:50,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 23:18:50,851 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 78 [2023-11-24 23:18:50,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:18:50,854 INFO L225 Difference]: With dead ends: 372 [2023-11-24 23:18:50,854 INFO L226 Difference]: Without dead ends: 196 [2023-11-24 23:18:50,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-24 23:18:50,857 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 72 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:18:50,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 476 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:18:50,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2023-11-24 23:18:50,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 180. [2023-11-24 23:18:50,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 163 states have (on average 1.4478527607361964) internal successors, (236), 163 states have internal predecessors, (236), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-24 23:18:50,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 264 transitions. [2023-11-24 23:18:50,879 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 264 transitions. Word has length 78 [2023-11-24 23:18:50,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:18:50,880 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 264 transitions. [2023-11-24 23:18:50,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-24 23:18:50,880 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 264 transitions. [2023-11-24 23:18:50,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-24 23:18:50,884 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:18:50,884 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:18:50,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-24 23:18:51,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:18:51,094 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:18:51,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:18:51,095 INFO L85 PathProgramCache]: Analyzing trace with hash 2091097675, now seen corresponding path program 1 times [2023-11-24 23:18:51,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:18:51,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [510864774] [2023-11-24 23:18:51,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:18:51,098 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:18:51,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:18:51,099 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:18:51,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af91f96a-3e24-42c6-be87-cfdbef18900c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-24 23:18:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:18:51,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:18:51,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:18:51,707 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 95 treesize of output 41 [2023-11-24 23:18:51,758 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-24 23:18:51,758 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:18:51,758 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:18:51,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [510864774] [2023-11-24 23:18:51,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [510864774] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:18:51,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:18:51,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:18:51,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751536428] [2023-11-24 23:18:51,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:18:51,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 23:18:51,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:18:51,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 23:18:51,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-24 23:18:51,761 INFO L87 Difference]: Start difference. First operand 180 states and 264 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-24 23:18:54,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:18:56,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:18:59,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []