./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-41.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2 --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 5500c8c7193dc6037ea6a3bb34476f6fde8daaea8a8ab7a630cc148614b2e159 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:28:01,594 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:28:01,681 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:28:01,686 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:28:01,686 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:28:01,720 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:28:01,723 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:28:01,723 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:28:01,724 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:28:01,724 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:28:01,725 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:28:01,725 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:28:01,725 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:28:01,726 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:28:01,728 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:28:01,729 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:28:01,729 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:28:01,730 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:28:01,730 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:28:01,730 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:28:01,731 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:28:01,731 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:28:01,734 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:28:01,734 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:28:01,734 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:28:01,735 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:28:01,735 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:28:01,735 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:28:01,736 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:28:01,736 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:28:01,736 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:28:01,737 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:28:01,737 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:28:01,738 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:28:01,738 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:28:01,739 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:28:01,739 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:28:01,739 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:28:01,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:28:01,740 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:28:01,740 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:28:01,741 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:28:01,741 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:28:01,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:28:01,742 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:28:01,745 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:28:01,745 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:28:01,746 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_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5500c8c7193dc6037ea6a3bb34476f6fde8daaea8a8ab7a630cc148614b2e159 [2024-11-02 12:28:02,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:28:02,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:28:02,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:28:02,199 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:28:02,200 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:28:02,202 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-41.i Unable to find full path for "g++" [2024-11-02 12:28:04,378 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:28:04,627 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:28:04,628 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-41.i [2024-11-02 12:28:04,643 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/data/8305300e4/2670b7842d5e47618a2379a7969cd9ba/FLAG34ee4cf31 [2024-11-02 12:28:04,656 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/data/8305300e4/2670b7842d5e47618a2379a7969cd9ba [2024-11-02 12:28:04,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:28:04,661 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:28:04,662 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:28:04,663 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:28:04,669 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:28:04,670 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:28:04" (1/1) ... [2024-11-02 12:28:04,671 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60eb0559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:04, skipping insertion in model container [2024-11-02 12:28:04,671 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:28:04" (1/1) ... [2024-11-02 12:28:04,703 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:28:04,890 WARN L251 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_709851f6-175a-48b1-a933-21ba40d2c58c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-41.i[916,929] [2024-11-02 12:28:04,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:28:04,975 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:28:04,988 WARN L251 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_709851f6-175a-48b1-a933-21ba40d2c58c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-41.i[916,929] [2024-11-02 12:28:05,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:28:05,061 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:28:05,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:05 WrapperNode [2024-11-02 12:28:05,062 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:28:05,063 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:28:05,064 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:28:05,064 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:28:05,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:05" (1/1) ... [2024-11-02 12:28:05,093 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:05" (1/1) ... [2024-11-02 12:28:05,153 INFO L138 Inliner]: procedures = 29, calls = 142, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 406 [2024-11-02 12:28:05,153 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:28:05,154 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:28:05,154 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:28:05,155 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:28:05,168 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:05" (1/1) ... [2024-11-02 12:28:05,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:05" (1/1) ... [2024-11-02 12:28:05,177 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:05" (1/1) ... [2024-11-02 12:28:05,177 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:05" (1/1) ... [2024-11-02 12:28:05,206 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:05" (1/1) ... [2024-11-02 12:28:05,214 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:05" (1/1) ... [2024-11-02 12:28:05,224 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:05" (1/1) ... [2024-11-02 12:28:05,226 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:05" (1/1) ... [2024-11-02 12:28:05,238 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:28:05,239 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:28:05,239 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:28:05,239 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:28:05,240 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:05" (1/1) ... [2024-11-02 12:28:05,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:28:05,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:28:05,278 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:28:05,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:28:05,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:28:05,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-02 12:28:05,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:28:05,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-02 12:28:05,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:28:05,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-02 12:28:05,315 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:28:05,316 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:28:05,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:28:05,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:28:05,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:28:05,431 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:28:05,433 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:28:05,980 INFO L? ?]: Removed 83 outVars from TransFormulas that were not future-live. [2024-11-02 12:28:05,980 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:28:06,502 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:28:06,503 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:28:06,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:06 BoogieIcfgContainer [2024-11-02 12:28:06,504 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:28:06,509 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:28:06,510 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:28:06,513 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:28:06,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:28:04" (1/3) ... [2024-11-02 12:28:06,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fbcf247 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:28:06, skipping insertion in model container [2024-11-02 12:28:06,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:05" (2/3) ... [2024-11-02 12:28:06,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fbcf247 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:28:06, skipping insertion in model container [2024-11-02 12:28:06,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:06" (3/3) ... [2024-11-02 12:28:06,519 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-41.i [2024-11-02 12:28:06,535 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:28:06,535 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:28:06,612 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:28:06,619 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@1535a0ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:28:06,619 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:28:06,625 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-02 12:28:06,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-02 12:28:06,635 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:06,636 INFO L215 NwaCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:06,637 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:28:06,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:06,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1281144830, now seen corresponding path program 1 times [2024-11-02 12:28:06,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:28:06,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691196093] [2024-11-02 12:28:06,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:06,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:28:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:28:08,022 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:28:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:28:09,098 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:28:09,100 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:28:09,102 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:28:09,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:28:09,109 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:28:09,215 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:28:09,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:28:09 BoogieIcfgContainer [2024-11-02 12:28:09,218 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:28:09,221 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:28:09,221 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:28:09,221 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:28:09,222 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:06" (3/4) ... [2024-11-02 12:28:09,224 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:28:09,226 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:28:09,227 INFO L158 Benchmark]: Toolchain (without parser) took 4565.91ms. Allocated memory was 151.0MB in the beginning and 255.9MB in the end (delta: 104.9MB). Free memory was 117.9MB in the beginning and 149.2MB in the end (delta: -31.3MB). Peak memory consumption was 75.3MB. Max. memory is 16.1GB. [2024-11-02 12:28:09,228 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 151.0MB. Free memory is still 121.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:28:09,229 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.29ms. Allocated memory is still 151.0MB. Free memory was 117.9MB in the beginning and 101.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-02 12:28:09,229 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.21ms. Allocated memory is still 151.0MB. Free memory was 101.3MB in the beginning and 97.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:28:09,230 INFO L158 Benchmark]: Boogie Preprocessor took 83.91ms. Allocated memory is still 151.0MB. Free memory was 97.6MB in the beginning and 95.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:28:09,231 INFO L158 Benchmark]: RCFGBuilder took 1265.40ms. Allocated memory was 151.0MB in the beginning and 211.8MB in the end (delta: 60.8MB). Free memory was 95.0MB in the beginning and 147.4MB in the end (delta: -52.4MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2024-11-02 12:28:09,232 INFO L158 Benchmark]: TraceAbstraction took 2709.54ms. Allocated memory was 211.8MB in the beginning and 255.9MB in the end (delta: 44.0MB). Free memory was 146.3MB in the beginning and 150.3MB in the end (delta: -3.9MB). Peak memory consumption was 84.4MB. Max. memory is 16.1GB. [2024-11-02 12:28:09,234 INFO L158 Benchmark]: Witness Printer took 4.90ms. Allocated memory is still 255.9MB. Free memory was 150.3MB in the beginning and 149.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:28:09,241 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 151.0MB. Free memory is still 121.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.29ms. Allocated memory is still 151.0MB. Free memory was 117.9MB in the beginning and 101.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.21ms. Allocated memory is still 151.0MB. Free memory was 101.3MB in the beginning and 97.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.91ms. Allocated memory is still 151.0MB. Free memory was 97.6MB in the beginning and 95.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1265.40ms. Allocated memory was 151.0MB in the beginning and 211.8MB in the end (delta: 60.8MB). Free memory was 95.0MB in the beginning and 147.4MB in the end (delta: -52.4MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2709.54ms. Allocated memory was 211.8MB in the beginning and 255.9MB in the end (delta: 44.0MB). Free memory was 146.3MB in the beginning and 150.3MB in the end (delta: -3.9MB). Peak memory consumption was 84.4MB. Max. memory is 16.1GB. * Witness Printer took 4.90ms. Allocated memory is still 255.9MB. Free memory was 150.3MB in the beginning and 149.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 48, overapproximation of someBinaryArithmeticDOUBLEoperation at line 47. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 0, 0 }; [L25-L27] double double_Array_0[2] = { 8.5, 999999999999.6 }; [L28-L30] signed char signed_char_Array_0[2][2] = { {5, -8}, {-1, -16} }; [L31-L33] signed long int signed_long_int_Array_0[1] = { 10 }; [L34-L36] unsigned char unsigned_char_Array_0[2] = { 16, 64 }; [L37-L39] unsigned short int unsigned_short_int_Array_0[1] = { 2 }; [L40] signed char last_1_signed_char_Array_0_1__1_ = -16; [L105] isInitial = 1 [L106] FCALL initially() [L107] COND TRUE 1 [L108] CALL updateLastVariables() [L98] EXPR signed_char_Array_0[1][1] [L98] last_1_signed_char_Array_0_1__1_ = signed_char_Array_0[1][1] [L108] RET updateLastVariables() [L109] CALL updateVariables() [L75] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L76] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L76] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L77] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L77] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L78] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L79] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L80] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L80] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L81] double_Array_0[1] = __VERIFIER_nondet_double() [L82] EXPR double_Array_0[1] [L82] EXPR double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F [L82] EXPR double_Array_0[1] [L82] EXPR double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F [L82] EXPR (double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L82] CALL assume_abort_if_not((double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not((double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L83] signed_char_Array_0[0][0] = __VERIFIER_nondet_char() [L84] EXPR signed_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L84] CALL assume_abort_if_not(signed_char_Array_0[0][0] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(signed_char_Array_0[0][0] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L85] EXPR signed_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L85] CALL assume_abort_if_not(signed_char_Array_0[0][0] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(signed_char_Array_0[0][0] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L86] signed_char_Array_0[1][0] = __VERIFIER_nondet_char() [L87] EXPR signed_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L87] CALL assume_abort_if_not(signed_char_Array_0[1][0] >= -128) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(signed_char_Array_0[1][0] >= -128) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L88] EXPR signed_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L88] CALL assume_abort_if_not(signed_char_Array_0[1][0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(signed_char_Array_0[1][0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L89] EXPR signed_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L89] CALL assume_abort_if_not(signed_char_Array_0[1][0] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(signed_char_Array_0[1][0] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L90] signed_char_Array_0[0][1] = __VERIFIER_nondet_char() [L91] EXPR signed_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L91] CALL assume_abort_if_not(signed_char_Array_0[0][1] >= -31) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(signed_char_Array_0[0][1] >= -31) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] EXPR signed_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] CALL assume_abort_if_not(signed_char_Array_0[0][1] <= 31) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(signed_char_Array_0[0][1] <= 31) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L93] unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L94] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L94] CALL assume_abort_if_not(unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] CALL assume_abort_if_not(unsigned_char_Array_0[1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(unsigned_char_Array_0[1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L109] RET updateVariables() [L110] CALL step() [L44] EXPR BOOL_unsigned_char_Array_0[1] [L44] COND TRUE BOOL_unsigned_char_Array_0[1] && (last_1_signed_char_Array_0_1__1_ <= last_1_signed_char_Array_0_1__1_) [L45] EXPR unsigned_char_Array_0[1] [L45] unsigned_char_Array_0[0] = unsigned_char_Array_0[1] [L47] EXPR double_Array_0[1] [L47] double_Array_0[0] = (double_Array_0[1] - 8.3) [L48] EXPR double_Array_0[1] [L48] EXPR double_Array_0[0] [L48] unsigned char stepLocal_1 = double_Array_0[1] >= double_Array_0[0]; [L49] EXPR BOOL_unsigned_char_Array_0[1] [L49] COND FALSE !(BOOL_unsigned_char_Array_0[1] && stepLocal_1) [L52] EXPR signed_char_Array_0[1][0] [L52] signed_long_int_Array_0[0] = signed_char_Array_0[1][0] [L54] BOOL_unsigned_char_Array_0[1] [L54] COND TRUE BOOL_unsigned_char_Array_0[1] [L55] EXPR unsigned_char_Array_0[0] [L55] EXPR unsigned_char_Array_0[0] [L55] unsigned_short_int_Array_0[0] = (unsigned_char_Array_0[0] + unsigned_char_Array_0[0]) [L63] EXPR unsigned_short_int_Array_0[0] [L63] EXPR unsigned_char_Array_0[0] [L63] unsigned long int stepLocal_0 = (unsigned_short_int_Array_0[0] & 0u) * unsigned_char_Array_0[0]; [L64] EXPR unsigned_short_int_Array_0[0] [L64] COND FALSE !(stepLocal_0 > unsigned_short_int_Array_0[0]) [L71] EXPR signed_char_Array_0[0][1] [L71] signed_char_Array_0[1][1] = signed_char_Array_0[0][1] [L110] RET step() [L111] CALL, EXPR property() [L101] EXPR unsigned_short_int_Array_0[0] [L101] EXPR unsigned_char_Array_0[0] [L101] EXPR unsigned_short_int_Array_0[0] [L101] EXPR (((unsigned_short_int_Array_0[0] & 0u) * unsigned_char_Array_0[0]) > unsigned_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][1] == ((signed char) ((16 + signed_char_Array_0[0][1]) + signed_char_Array_0[0][0]))) : (signed_char_Array_0[1][1] == ((signed char) ((((signed_char_Array_0[0][1]) < 0 ) ? -(signed_char_Array_0[0][1]) : (signed_char_Array_0[0][1])))))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) [L101] EXPR signed_char_Array_0[1][1] [L101] EXPR signed_char_Array_0[0][1] [L101] EXPR (((unsigned_short_int_Array_0[0] & 0u) * unsigned_char_Array_0[0]) > unsigned_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][1] == ((signed char) ((16 + signed_char_Array_0[0][1]) + signed_char_Array_0[0][0]))) : (signed_char_Array_0[1][1] == ((signed char) ((((signed_char_Array_0[0][1]) < 0 ) ? -(signed_char_Array_0[0][1]) : (signed_char_Array_0[0][1])))))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) [L101] EXPR ((((unsigned_short_int_Array_0[0] & 0u) * unsigned_char_Array_0[0]) > unsigned_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][1] == ((signed char) ((16 + signed_char_Array_0[0][1]) + signed_char_Array_0[0][0]))) : (signed_char_Array_0[1][1] == ((signed char) ((((signed_char_Array_0[0][1]) < 0 ) ? -(signed_char_Array_0[0][1]) : (signed_char_Array_0[0][1])))))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (unsigned_short_int_Array_0[0] == ((unsigned short int) (unsigned_char_Array_0[0] + unsigned_char_Array_0[0]))) : (((unsigned_char_Array_0[0] > signed_long_int_Array_0[0]) || BOOL_unsigned_char_Array_0[0]) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0])))) [L101] EXPR BOOL_unsigned_char_Array_0[1] [L101] EXPR BOOL_unsigned_char_Array_0[1] ? (unsigned_short_int_Array_0[0] == ((unsigned short int) (unsigned_char_Array_0[0] + unsigned_char_Array_0[0]))) : (((unsigned_char_Array_0[0] > signed_long_int_Array_0[0]) || BOOL_unsigned_char_Array_0[0]) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0]))) [L101] EXPR unsigned_short_int_Array_0[0] [L101] EXPR unsigned_char_Array_0[0] [L101] EXPR unsigned_char_Array_0[0] [L101] EXPR BOOL_unsigned_char_Array_0[1] ? (unsigned_short_int_Array_0[0] == ((unsigned short int) (unsigned_char_Array_0[0] + unsigned_char_Array_0[0]))) : (((unsigned_char_Array_0[0] > signed_long_int_Array_0[0]) || BOOL_unsigned_char_Array_0[0]) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0]))) [L101] EXPR ((((unsigned_short_int_Array_0[0] & 0u) * unsigned_char_Array_0[0]) > unsigned_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][1] == ((signed char) ((16 + signed_char_Array_0[0][1]) + signed_char_Array_0[0][0]))) : (signed_char_Array_0[1][1] == ((signed char) ((((signed_char_Array_0[0][1]) < 0 ) ? -(signed_char_Array_0[0][1]) : (signed_char_Array_0[0][1])))))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (unsigned_short_int_Array_0[0] == ((unsigned short int) (unsigned_char_Array_0[0] + unsigned_char_Array_0[0]))) : (((unsigned_char_Array_0[0] > signed_long_int_Array_0[0]) || BOOL_unsigned_char_Array_0[0]) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0])))) [L101] EXPR (((((unsigned_short_int_Array_0[0] & 0u) * unsigned_char_Array_0[0]) > unsigned_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][1] == ((signed char) ((16 + signed_char_Array_0[0][1]) + signed_char_Array_0[0][0]))) : (signed_char_Array_0[1][1] == ((signed char) ((((signed_char_Array_0[0][1]) < 0 ) ? -(signed_char_Array_0[0][1]) : (signed_char_Array_0[0][1])))))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (unsigned_short_int_Array_0[0] == ((unsigned short int) (unsigned_char_Array_0[0] + unsigned_char_Array_0[0]))) : (((unsigned_char_Array_0[0] > signed_long_int_Array_0[0]) || BOOL_unsigned_char_Array_0[0]) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0]))))) && (double_Array_0[0] == ((double) (double_Array_0[1] - 8.3))) [L101] EXPR double_Array_0[0] [L101] EXPR double_Array_0[1] [L101] EXPR (((((unsigned_short_int_Array_0[0] & 0u) * unsigned_char_Array_0[0]) > unsigned_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][1] == ((signed char) ((16 + signed_char_Array_0[0][1]) + signed_char_Array_0[0][0]))) : (signed_char_Array_0[1][1] == ((signed char) ((((signed_char_Array_0[0][1]) < 0 ) ? -(signed_char_Array_0[0][1]) : (signed_char_Array_0[0][1])))))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (unsigned_short_int_Array_0[0] == ((unsigned short int) (unsigned_char_Array_0[0] + unsigned_char_Array_0[0]))) : (((unsigned_char_Array_0[0] > signed_long_int_Array_0[0]) || BOOL_unsigned_char_Array_0[0]) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0]))))) && (double_Array_0[0] == ((double) (double_Array_0[1] - 8.3))) [L101] EXPR ((((((unsigned_short_int_Array_0[0] & 0u) * unsigned_char_Array_0[0]) > unsigned_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][1] == ((signed char) ((16 + signed_char_Array_0[0][1]) + signed_char_Array_0[0][0]))) : (signed_char_Array_0[1][1] == ((signed char) ((((signed_char_Array_0[0][1]) < 0 ) ? -(signed_char_Array_0[0][1]) : (signed_char_Array_0[0][1])))))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (unsigned_short_int_Array_0[0] == ((unsigned short int) (unsigned_char_Array_0[0] + unsigned_char_Array_0[0]))) : (((unsigned_char_Array_0[0] > signed_long_int_Array_0[0]) || BOOL_unsigned_char_Array_0[0]) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0]))))) && (double_Array_0[0] == ((double) (double_Array_0[1] - 8.3)))) && ((BOOL_unsigned_char_Array_0[1] && (double_Array_0[1] >= double_Array_0[0])) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][0]))) [L101] EXPR BOOL_unsigned_char_Array_0[1] [L101] EXPR BOOL_unsigned_char_Array_0[1] && (double_Array_0[1] >= double_Array_0[0]) [L101] EXPR double_Array_0[1] [L101] EXPR double_Array_0[0] [L101] EXPR BOOL_unsigned_char_Array_0[1] && (double_Array_0[1] >= double_Array_0[0]) [L101] EXPR (BOOL_unsigned_char_Array_0[1] && (double_Array_0[1] >= double_Array_0[0])) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][0])) [L101] EXPR signed_long_int_Array_0[0] [L101] EXPR unsigned_char_Array_0[0] [L101] EXPR (BOOL_unsigned_char_Array_0[1] && (double_Array_0[1] >= double_Array_0[0])) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][0])) [L101] EXPR ((((((unsigned_short_int_Array_0[0] & 0u) * unsigned_char_Array_0[0]) > unsigned_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][1] == ((signed char) ((16 + signed_char_Array_0[0][1]) + signed_char_Array_0[0][0]))) : (signed_char_Array_0[1][1] == ((signed char) ((((signed_char_Array_0[0][1]) < 0 ) ? -(signed_char_Array_0[0][1]) : (signed_char_Array_0[0][1])))))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (unsigned_short_int_Array_0[0] == ((unsigned short int) (unsigned_char_Array_0[0] + unsigned_char_Array_0[0]))) : (((unsigned_char_Array_0[0] > signed_long_int_Array_0[0]) || BOOL_unsigned_char_Array_0[0]) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0]))))) && (double_Array_0[0] == ((double) (double_Array_0[1] - 8.3)))) && ((BOOL_unsigned_char_Array_0[1] && (double_Array_0[1] >= double_Array_0[0])) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][0]))) [L101] EXPR (((((((unsigned_short_int_Array_0[0] & 0u) * unsigned_char_Array_0[0]) > unsigned_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][1] == ((signed char) ((16 + signed_char_Array_0[0][1]) + signed_char_Array_0[0][0]))) : (signed_char_Array_0[1][1] == ((signed char) ((((signed_char_Array_0[0][1]) < 0 ) ? -(signed_char_Array_0[0][1]) : (signed_char_Array_0[0][1])))))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (unsigned_short_int_Array_0[0] == ((unsigned short int) (unsigned_char_Array_0[0] + unsigned_char_Array_0[0]))) : (((unsigned_char_Array_0[0] > signed_long_int_Array_0[0]) || BOOL_unsigned_char_Array_0[0]) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0]))))) && (double_Array_0[0] == ((double) (double_Array_0[1] - 8.3)))) && ((BOOL_unsigned_char_Array_0[1] && (double_Array_0[1] >= double_Array_0[0])) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][0])))) && ((BOOL_unsigned_char_Array_0[1] && (last_1_signed_char_Array_0_1__1_ <= last_1_signed_char_Array_0_1__1_)) ? (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1])) : 1) [L101-L102] return (((((((unsigned_short_int_Array_0[0] & 0u) * unsigned_char_Array_0[0]) > unsigned_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][1] == ((signed char) ((16 + signed_char_Array_0[0][1]) + signed_char_Array_0[0][0]))) : (signed_char_Array_0[1][1] == ((signed char) ((((signed_char_Array_0[0][1]) < 0 ) ? -(signed_char_Array_0[0][1]) : (signed_char_Array_0[0][1])))))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (unsigned_short_int_Array_0[0] == ((unsigned short int) (unsigned_char_Array_0[0] + unsigned_char_Array_0[0]))) : (((unsigned_char_Array_0[0] > signed_long_int_Array_0[0]) || BOOL_unsigned_char_Array_0[0]) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0]))))) && (double_Array_0[0] == ((double) (double_Array_0[1] - 8.3)))) && ((BOOL_unsigned_char_Array_0[1] && (double_Array_0[1] >= double_Array_0[0])) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][0])))) && ((BOOL_unsigned_char_Array_0[1] && (last_1_signed_char_Array_0_1__1_ <= last_1_signed_char_Array_0_1__1_)) ? (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1])) : 1) ; [L111] RET, EXPR property() [L111] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 1, TraceHistogramMax: 14, 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=37occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 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 [2024-11-02 12:28:09,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2 --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 5500c8c7193dc6037ea6a3bb34476f6fde8daaea8a8ab7a630cc148614b2e159 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:28:11,868 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:28:11,975 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:28:11,982 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:28:11,983 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:28:12,018 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:28:12,019 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:28:12,020 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:28:12,021 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:28:12,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:28:12,026 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:28:12,027 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:28:12,027 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:28:12,027 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:28:12,028 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:28:12,028 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:28:12,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:28:12,029 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:28:12,029 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:28:12,030 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:28:12,030 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:28:12,032 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:28:12,033 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:28:12,033 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:28:12,033 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:28:12,033 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:28:12,034 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:28:12,034 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:28:12,034 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:28:12,034 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:28:12,035 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:28:12,035 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:28:12,035 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:28:12,036 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:28:12,036 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:28:12,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:28:12,036 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:28:12,037 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:28:12,037 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:28:12,037 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:28:12,037 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:28:12,039 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:28:12,039 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:28:12,039 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:28:12,039 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_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5500c8c7193dc6037ea6a3bb34476f6fde8daaea8a8ab7a630cc148614b2e159 [2024-11-02 12:28:12,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:28:12,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:28:12,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:28:12,515 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:28:12,516 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:28:12,517 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-41.i Unable to find full path for "g++" [2024-11-02 12:28:14,868 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:28:15,224 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:28:15,225 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-41.i [2024-11-02 12:28:15,237 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/data/f7afd4334/152edc2694cf40f69f82bdeb1e66d9d4/FLAGdcb8d252b [2024-11-02 12:28:15,257 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/data/f7afd4334/152edc2694cf40f69f82bdeb1e66d9d4 [2024-11-02 12:28:15,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:28:15,261 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:28:15,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:28:15,265 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:28:15,270 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:28:15,271 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:28:15" (1/1) ... [2024-11-02 12:28:15,273 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c101f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:15, skipping insertion in model container [2024-11-02 12:28:15,274 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:28:15" (1/1) ... [2024-11-02 12:28:15,302 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:28:15,543 WARN L251 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_709851f6-175a-48b1-a933-21ba40d2c58c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-41.i[916,929] [2024-11-02 12:28:15,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:28:15,681 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:28:15,700 WARN L251 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_709851f6-175a-48b1-a933-21ba40d2c58c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-41.i[916,929] [2024-11-02 12:28:15,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:28:15,813 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:28:15,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:15 WrapperNode [2024-11-02 12:28:15,814 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:28:15,815 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:28:15,815 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:28:15,816 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:28:15,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:15" (1/1) ... [2024-11-02 12:28:15,851 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:15" (1/1) ... [2024-11-02 12:28:15,895 INFO L138 Inliner]: procedures = 36, calls = 142, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 403 [2024-11-02 12:28:15,895 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:28:15,900 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:28:15,900 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:28:15,901 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:28:15,913 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:15" (1/1) ... [2024-11-02 12:28:15,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:15" (1/1) ... [2024-11-02 12:28:15,923 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:15" (1/1) ... [2024-11-02 12:28:15,923 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:15" (1/1) ... [2024-11-02 12:28:15,958 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:15" (1/1) ... [2024-11-02 12:28:15,962 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:15" (1/1) ... [2024-11-02 12:28:15,965 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:15" (1/1) ... [2024-11-02 12:28:15,968 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:15" (1/1) ... [2024-11-02 12:28:15,973 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:28:15,974 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:28:15,974 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:28:15,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:28:15,975 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:15" (1/1) ... [2024-11-02 12:28:15,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:28:15,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:28:16,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:28:16,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:28:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:28:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-02 12:28:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-02 12:28:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-02 12:28:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-11-02 12:28:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:28:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-02 12:28:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2024-11-02 12:28:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-02 12:28:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-02 12:28:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:28:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:28:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:28:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:28:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-02 12:28:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-02 12:28:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-02 12:28:16,202 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:28:16,207 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:28:17,247 INFO L? ?]: Removed 83 outVars from TransFormulas that were not future-live. [2024-11-02 12:28:17,248 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:28:17,269 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:28:17,269 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:28:17,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:17 BoogieIcfgContainer [2024-11-02 12:28:17,270 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:28:17,272 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:28:17,272 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:28:17,276 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:28:17,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:28:15" (1/3) ... [2024-11-02 12:28:17,277 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39a003e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:28:17, skipping insertion in model container [2024-11-02 12:28:17,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:15" (2/3) ... [2024-11-02 12:28:17,278 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39a003e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:28:17, skipping insertion in model container [2024-11-02 12:28:17,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:17" (3/3) ... [2024-11-02 12:28:17,279 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-41.i [2024-11-02 12:28:17,302 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:28:17,303 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:28:17,397 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:28:17,407 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@38215cd4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:28:17,407 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:28:17,414 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 72 states have (on average 1.4027777777777777) internal successors, (101), 73 states have internal predecessors, (101), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-02 12:28:17,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-02 12:28:17,434 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:17,435 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:17,435 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:28:17,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:17,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1011275404, now seen corresponding path program 1 times [2024-11-02 12:28:17,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:28:17,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1357470320] [2024-11-02 12:28:17,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:17,469 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:17,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:28:17,473 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:28:17,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-02 12:28:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:28:17,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:28:17,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:28:18,009 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-02 12:28:18,010 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:28:18,010 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:28:18,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1357470320] [2024-11-02 12:28:18,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1357470320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:28:18,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:28:18,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:28:18,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261698395] [2024-11-02 12:28:18,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:28:18,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:28:18,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:28:18,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:28:18,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:28:18,047 INFO L87 Difference]: Start difference. First operand has 89 states, 72 states have (on average 1.4027777777777777) internal successors, (101), 73 states have internal predecessors, (101), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-02 12:28:18,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:28:18,095 INFO L93 Difference]: Finished difference Result 167 states and 260 transitions. [2024-11-02 12:28:18,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:28:18,097 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 114 [2024-11-02 12:28:18,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:28:18,104 INFO L225 Difference]: With dead ends: 167 [2024-11-02 12:28:18,104 INFO L226 Difference]: Without dead ends: 81 [2024-11-02 12:28:18,109 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:28:18,114 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:28:18,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:28:18,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-02 12:28:18,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-11-02 12:28:18,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 65 states have (on average 1.3384615384615384) internal successors, (87), 65 states have internal predecessors, (87), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-02 12:28:18,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 115 transitions. [2024-11-02 12:28:18,183 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 115 transitions. Word has length 114 [2024-11-02 12:28:18,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:28:18,184 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 115 transitions. [2024-11-02 12:28:18,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-02 12:28:18,184 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 115 transitions. [2024-11-02 12:28:18,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-02 12:28:18,187 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:18,188 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:18,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-02 12:28:18,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:18,389 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:28:18,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:18,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1389079960, now seen corresponding path program 1 times [2024-11-02 12:28:18,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:28:18,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [954674378] [2024-11-02 12:28:18,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:18,391 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:18,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:28:18,393 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:28:18,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-02 12:28:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:28:18,860 INFO L255 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-02 12:28:18,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:28:19,004 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-02 12:28:19,010 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:28:19,010 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:28:19,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [954674378] [2024-11-02 12:28:19,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [954674378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:28:19,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:28:19,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 12:28:19,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585940740] [2024-11-02 12:28:19,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:28:19,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:28:19,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:28:19,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:28:19,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:28:19,019 INFO L87 Difference]: Start difference. First operand 81 states and 115 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-02 12:28:19,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:28:19,266 INFO L93 Difference]: Finished difference Result 162 states and 231 transitions. [2024-11-02 12:28:19,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 12:28:19,267 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 114 [2024-11-02 12:28:19,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:28:19,269 INFO L225 Difference]: With dead ends: 162 [2024-11-02 12:28:19,269 INFO L226 Difference]: Without dead ends: 84 [2024-11-02 12:28:19,270 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:28:19,272 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 1 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-02 12:28:19,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 325 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-02 12:28:19,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-02 12:28:19,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 83. [2024-11-02 12:28:19,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 67 states have (on average 1.328358208955224) internal successors, (89), 67 states have internal predecessors, (89), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-02 12:28:19,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2024-11-02 12:28:19,285 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 114 [2024-11-02 12:28:19,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:28:19,287 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2024-11-02 12:28:19,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-02 12:28:19,288 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2024-11-02 12:28:19,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-02 12:28:19,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:19,291 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:19,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-02 12:28:19,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:19,496 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:28:19,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:19,496 INFO L85 PathProgramCache]: Analyzing trace with hash -709021590, now seen corresponding path program 1 times [2024-11-02 12:28:19,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:28:19,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1050812313] [2024-11-02 12:28:19,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:19,498 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:19,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:28:19,500 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:28:19,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-02 12:28:19,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:28:19,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-02 12:28:19,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:28:20,170 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-02 12:28:20,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-11-02 12:28:20,244 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-02 12:28:20,245 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:28:20,245 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:28:20,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1050812313] [2024-11-02 12:28:20,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1050812313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:28:20,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:28:20,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:28:20,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181174768] [2024-11-02 12:28:20,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:28:20,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 12:28:20,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:28:20,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 12:28:20,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:28:20,250 INFO L87 Difference]: Start difference. First operand 83 states and 117 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-02 12:28:21,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:28:21,253 INFO L93 Difference]: Finished difference Result 164 states and 232 transitions. [2024-11-02 12:28:21,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-02 12:28:21,257 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 114 [2024-11-02 12:28:21,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:28:21,258 INFO L225 Difference]: With dead ends: 164 [2024-11-02 12:28:21,258 INFO L226 Difference]: Without dead ends: 84 [2024-11-02 12:28:21,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-02 12:28:21,263 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 94 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-02 12:28:21,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 342 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-02 12:28:21,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-02 12:28:21,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 83. [2024-11-02 12:28:21,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 67 states have (on average 1.3134328358208955) internal successors, (88), 67 states have internal predecessors, (88), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-02 12:28:21,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 116 transitions. [2024-11-02 12:28:21,283 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 116 transitions. Word has length 114 [2024-11-02 12:28:21,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:28:21,283 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 116 transitions. [2024-11-02 12:28:21,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-02 12:28:21,284 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 116 transitions. [2024-11-02 12:28:21,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-02 12:28:21,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:21,289 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:21,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:28:21,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:21,490 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:28:21,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:21,491 INFO L85 PathProgramCache]: Analyzing trace with hash -400113810, now seen corresponding path program 1 times [2024-11-02 12:28:21,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:28:21,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1536545619] [2024-11-02 12:28:21,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:21,492 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:21,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:28:21,495 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:28:21,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-02 12:28:21,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:28:21,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-02 12:28:21,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:28:21,934 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-02 12:28:21,935 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:28:21,935 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:28:21,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1536545619] [2024-11-02 12:28:21,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1536545619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:28:21,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:28:21,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-02 12:28:21,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314843643] [2024-11-02 12:28:21,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:28:21,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 12:28:21,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:28:21,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 12:28:21,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:28:21,939 INFO L87 Difference]: Start difference. First operand 83 states and 116 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-02 12:28:22,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:28:22,224 INFO L93 Difference]: Finished difference Result 167 states and 234 transitions. [2024-11-02 12:28:22,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-02 12:28:22,225 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 116 [2024-11-02 12:28:22,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:28:22,229 INFO L225 Difference]: With dead ends: 167 [2024-11-02 12:28:22,229 INFO L226 Difference]: Without dead ends: 85 [2024-11-02 12:28:22,231 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-02 12:28:22,232 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 1 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-02 12:28:22,233 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 445 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-02 12:28:22,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-02 12:28:22,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 83. [2024-11-02 12:28:22,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 67 states have (on average 1.2985074626865671) internal successors, (87), 67 states have internal predecessors, (87), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-02 12:28:22,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 115 transitions. [2024-11-02 12:28:22,244 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 115 transitions. Word has length 116 [2024-11-02 12:28:22,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:28:22,245 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 115 transitions. [2024-11-02 12:28:22,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-02 12:28:22,245 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 115 transitions. [2024-11-02 12:28:22,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-02 12:28:22,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:22,247 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:22,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/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)] Ended with exit code 0 [2024-11-02 12:28:22,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:22,451 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:28:22,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:22,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1479017136, now seen corresponding path program 1 times [2024-11-02 12:28:22,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:28:22,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1606545925] [2024-11-02 12:28:22,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:22,454 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:22,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:28:22,457 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:28:22,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-02 12:28:22,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:28:22,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-02 12:28:22,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:28:25,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 24 [2024-11-02 12:28:26,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 24 [2024-11-02 12:28:26,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 24 [2024-11-02 12:28:26,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 24 [2024-11-02 12:28:26,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 24 [2024-11-02 12:28:26,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 31 [2024-11-02 12:28:27,078 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-02 12:28:27,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 40 [2024-11-02 12:28:27,186 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 158 proven. 12 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-02 12:28:27,186 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:28:27,479 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-02 12:28:27,479 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:28:27,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1606545925] [2024-11-02 12:28:27,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1606545925] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-02 12:28:27,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-02 12:28:27,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 20 [2024-11-02 12:28:27,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955837694] [2024-11-02 12:28:27,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:28:27,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 12:28:27,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:28:27,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 12:28:27,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2024-11-02 12:28:27,483 INFO L87 Difference]: Start difference. First operand 83 states and 115 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-02 12:28:28,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:28:28,656 INFO L93 Difference]: Finished difference Result 191 states and 265 transitions. [2024-11-02 12:28:28,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-02 12:28:28,658 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 116 [2024-11-02 12:28:28,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:28:28,659 INFO L225 Difference]: With dead ends: 191 [2024-11-02 12:28:28,659 INFO L226 Difference]: Without dead ends: 111 [2024-11-02 12:28:28,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2024-11-02 12:28:28,661 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 35 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:28:28,662 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 405 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-02 12:28:28,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-02 12:28:28,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 87. [2024-11-02 12:28:28,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 71 states have (on average 1.2816901408450705) internal successors, (91), 71 states have internal predecessors, (91), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-02 12:28:28,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2024-11-02 12:28:28,672 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 116 [2024-11-02 12:28:28,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:28:28,672 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2024-11-02 12:28:28,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-02 12:28:28,673 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2024-11-02 12:28:28,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-02 12:28:28,679 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:28,679 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:28,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-02 12:28:28,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:28,880 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:28:28,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:28,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1182595188, now seen corresponding path program 1 times [2024-11-02 12:28:28,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:28:28,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [10352866] [2024-11-02 12:28:28,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:28,882 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:28,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:28:28,883 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:28:28,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-02 12:28:29,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:28:29,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-02 12:28:29,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:28:29,262 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-02 12:28:29,262 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:28:29,262 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:28:29,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [10352866] [2024-11-02 12:28:29,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [10352866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:28:29,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:28:29,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:28:29,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585870171] [2024-11-02 12:28:29,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:28:29,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:28:29,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:28:29,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:28:29,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:28:29,266 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-02 12:28:29,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:28:29,287 INFO L93 Difference]: Finished difference Result 162 states and 223 transitions. [2024-11-02 12:28:29,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:28:29,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 117 [2024-11-02 12:28:29,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:28:29,290 INFO L225 Difference]: With dead ends: 162 [2024-11-02 12:28:29,290 INFO L226 Difference]: Without dead ends: 78 [2024-11-02 12:28:29,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:28:29,292 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 207 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 [2024-11-02 12:28:29,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 207 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:28:29,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-02 12:28:29,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-02 12:28:29,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 62 states have (on average 1.2580645161290323) internal successors, (78), 62 states have internal predecessors, (78), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-02 12:28:29,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 106 transitions. [2024-11-02 12:28:29,302 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 106 transitions. Word has length 117 [2024-11-02 12:28:29,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:28:29,303 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 106 transitions. [2024-11-02 12:28:29,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-02 12:28:29,304 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 106 transitions. [2024-11-02 12:28:29,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-02 12:28:29,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:29,306 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:29,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-11-02 12:28:29,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:29,511 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:28:29,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:29,512 INFO L85 PathProgramCache]: Analyzing trace with hash 186767657, now seen corresponding path program 1 times [2024-11-02 12:28:29,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:28:29,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [281561719] [2024-11-02 12:28:29,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:29,514 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:29,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:28:29,517 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:28:29,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709851f6-175a-48b1-a933-21ba40d2c58c/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process