./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-30.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh --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 b9d8652519e41f29e8688122e81475e42760eeda179b59be7470de401a751998 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:18:49,258 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:18:49,321 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 13:18:49,326 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:18:49,327 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:18:49,350 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:18:49,351 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:18:49,352 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:18:49,352 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:18:49,353 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:18:49,353 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:18:49,354 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:18:49,354 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:18:49,355 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 13:18:49,355 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:18:49,356 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:18:49,356 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 13:18:49,357 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 13:18:49,357 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:18:49,358 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 13:18:49,359 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 13:18:49,359 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 13:18:49,360 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:18:49,361 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:18:49,361 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:18:49,361 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 13:18:49,362 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:18:49,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:18:49,363 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:18:49,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:18:49,363 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:18:49,364 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:18:49,364 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:18:49,364 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:18:49,365 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:18:49,365 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:18:49,365 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:18:49,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:18:49,366 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:18:49,366 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:18:49,366 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:18:49,366 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 13:18:49,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 13:18:49,367 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:18:49,367 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:18:49,367 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:18:49,367 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:18:49,367 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_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9d8652519e41f29e8688122e81475e42760eeda179b59be7470de401a751998 [2023-12-02 13:18:49,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:18:49,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:18:49,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:18:49,628 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:18:49,629 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:18:49,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-30.i [2023-12-02 13:18:52,402 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:18:52,580 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:18:52,581 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-30.i [2023-12-02 13:18:52,590 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/data/0fbd2efbe/f918c5a67f4e4bbd9e774aad3f5f717c/FLAGa9e642dbf [2023-12-02 13:18:52,602 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/data/0fbd2efbe/f918c5a67f4e4bbd9e774aad3f5f717c [2023-12-02 13:18:52,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:18:52,605 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:18:52,606 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:18:52,606 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:18:52,609 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:18:52,610 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:18:52" (1/1) ... [2023-12-02 13:18:52,611 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53200fe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:52, skipping insertion in model container [2023-12-02 13:18:52,611 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:18:52" (1/1) ... [2023-12-02 13:18:52,647 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:18:52,767 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-30.i[919,932] [2023-12-02 13:18:52,819 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:18:52,830 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:18:52,841 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-30.i[919,932] [2023-12-02 13:18:52,868 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:18:52,885 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:18:52,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:52 WrapperNode [2023-12-02 13:18:52,886 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:18:52,887 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:18:52,887 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:18:52,888 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:18:52,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:52" (1/1) ... [2023-12-02 13:18:52,906 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:52" (1/1) ... [2023-12-02 13:18:52,940 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 221 [2023-12-02 13:18:52,940 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:18:52,941 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:18:52,941 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:18:52,941 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:18:52,951 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:52" (1/1) ... [2023-12-02 13:18:52,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:52" (1/1) ... [2023-12-02 13:18:52,954 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:52" (1/1) ... [2023-12-02 13:18:52,955 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:52" (1/1) ... [2023-12-02 13:18:52,965 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:52" (1/1) ... [2023-12-02 13:18:52,969 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:52" (1/1) ... [2023-12-02 13:18:52,972 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:52" (1/1) ... [2023-12-02 13:18:52,974 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:52" (1/1) ... [2023-12-02 13:18:52,978 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:18:52,979 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:18:52,979 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:18:52,979 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:18:52,980 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:52" (1/1) ... [2023-12-02 13:18:52,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:18:53,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:18:53,018 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:18:53,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:18:53,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:18:53,056 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:18:53,056 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:18:53,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 13:18:53,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:18:53,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:18:53,151 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:18:53,153 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:18:53,500 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:18:53,777 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:18:53,777 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:18:53,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:18:53 BoogieIcfgContainer [2023-12-02 13:18:53,779 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:18:53,782 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:18:53,782 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:18:53,785 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:18:53,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:18:52" (1/3) ... [2023-12-02 13:18:53,786 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64668d27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:18:53, skipping insertion in model container [2023-12-02 13:18:53,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:52" (2/3) ... [2023-12-02 13:18:53,787 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64668d27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:18:53, skipping insertion in model container [2023-12-02 13:18:53,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:18:53" (3/3) ... [2023-12-02 13:18:53,788 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-30.i [2023-12-02 13:18:53,808 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:18:53,809 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:18:53,858 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:18:53,864 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@35f940ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:18:53,865 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:18:53,868 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-02 13:18:53,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-02 13:18:53,879 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:18:53,880 INFO L195 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:18:53,880 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:18:53,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:18:53,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1065102734, now seen corresponding path program 1 times [2023-12-02 13:18:53,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:18:53,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659577021] [2023-12-02 13:18:53,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:18:53,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:18:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:18:54,222 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 13:18:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:18:54,396 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 13:18:54,397 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 13:18:54,398 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 13:18:54,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 13:18:54,403 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 13:18:54,408 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 13:18:54,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:18:54 BoogieIcfgContainer [2023-12-02 13:18:54,492 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 13:18:54,493 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 13:18:54,493 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 13:18:54,493 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 13:18:54,494 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:18:53" (3/4) ... [2023-12-02 13:18:54,496 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 13:18:54,497 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 13:18:54,498 INFO L158 Benchmark]: Toolchain (without parser) took 1893.08ms. Allocated memory was 190.8MB in the beginning and 241.2MB in the end (delta: 50.3MB). Free memory was 145.2MB in the beginning and 116.1MB in the end (delta: 29.1MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB. [2023-12-02 13:18:54,499 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 190.8MB. Free memory was 154.7MB in the beginning and 154.7MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:18:54,499 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.89ms. Allocated memory is still 190.8MB. Free memory was 145.2MB in the beginning and 130.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 13:18:54,500 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.91ms. Allocated memory is still 190.8MB. Free memory was 130.5MB in the beginning and 128.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 13:18:54,501 INFO L158 Benchmark]: Boogie Preprocessor took 37.66ms. Allocated memory is still 190.8MB. Free memory was 128.0MB in the beginning and 125.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 13:18:54,501 INFO L158 Benchmark]: RCFGBuilder took 799.83ms. Allocated memory was 190.8MB in the beginning and 241.2MB in the end (delta: 50.3MB). Free memory was 125.9MB in the beginning and 173.8MB in the end (delta: -47.9MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2023-12-02 13:18:54,502 INFO L158 Benchmark]: TraceAbstraction took 710.89ms. Allocated memory is still 241.2MB. Free memory was 173.8MB in the beginning and 117.2MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2023-12-02 13:18:54,502 INFO L158 Benchmark]: Witness Printer took 4.19ms. Allocated memory is still 241.2MB. Free memory was 117.2MB in the beginning and 116.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:18:54,506 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 190.8MB. Free memory was 154.7MB in the beginning and 154.7MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.89ms. Allocated memory is still 190.8MB. Free memory was 145.2MB in the beginning and 130.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.91ms. Allocated memory is still 190.8MB. Free memory was 130.5MB in the beginning and 128.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.66ms. Allocated memory is still 190.8MB. Free memory was 128.0MB in the beginning and 125.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 799.83ms. Allocated memory was 190.8MB in the beginning and 241.2MB in the end (delta: 50.3MB). Free memory was 125.9MB in the beginning and 173.8MB in the end (delta: -47.9MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * TraceAbstraction took 710.89ms. Allocated memory is still 241.2MB. Free memory was 173.8MB in the beginning and 117.2MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Witness Printer took 4.19ms. Allocated memory is still 241.2MB. Free memory was 117.2MB in the beginning and 116.1MB 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 someBinaryArithmeticDOUBLEoperation at line 83, overapproximation of someUnaryDOUBLEoperation at line 78, overapproximation of bitwiseAnd at line 120, overapproximation of someBinaryDOUBLEComparisonOperation at line 57. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_4 = 0; [L24] double var_1_5 = 127.5; [L25] double var_1_7 = 10000000000000.125; [L26] double var_1_8 = 1.25; [L27] double var_1_10 = 25.7; [L28] signed long int var_1_11 = -2; [L29] signed long int var_1_13 = 5; [L30] signed long int var_1_14 = 128; [L31] signed long int var_1_15 = 1000; [L32] double var_1_16 = 0.2; [L33] double var_1_17 = 0.25; [L34] double var_1_18 = 99999999999999.5; [L35] signed short int var_1_19 = -64; [L36] double var_1_21 = 100.4; [L37] signed long int var_1_24 = 10; [L38] signed char var_1_25 = -8; [L39] double var_1_26 = 9.75; [L40] signed char var_1_28 = 8; [L41] unsigned long int var_1_29 = 16; [L42] unsigned long int var_1_30 = 1; [L43] float var_1_31 = 16.6; [L44] signed short int var_1_35 = 256; [L45] unsigned long int var_1_36 = 16; [L46] double var_1_37 = 8.5; [L47] unsigned long int var_1_38 = 3569725445; [L48] unsigned long int var_1_39 = 3551809449; [L49] unsigned long int var_1_40 = 10000000; [L50] unsigned char last_1_var_1_1 = 1; [L51] signed long int last_1_var_1_11 = -2; [L52] signed long int last_1_var_1_15 = 1000; [L53] double last_1_var_1_16 = 0.2; [L202] isInitial = 1 [L203] FCALL initially() [L204] COND TRUE 1 [L205] CALL updateLastVariables() [L192] last_1_var_1_1 = var_1_1 [L193] last_1_var_1_11 = var_1_11 [L194] last_1_var_1_15 = var_1_15 [L195] last_1_var_1_16 = var_1_16 [L205] RET updateLastVariables() [L206] CALL updateVariables() [L151] var_1_4 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_4 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_4 >= 1) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L153] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L154] var_1_7 = __VERIFIER_nondet_double() [L155] CALL assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L156] var_1_10 = __VERIFIER_nondet_double() [L157] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L158] var_1_13 = __VERIFIER_nondet_long() [L159] CALL assume_abort_if_not(var_1_13 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_13 >= -1) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L160] CALL assume_abort_if_not(var_1_13 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_13 <= 2147483646) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L161] var_1_14 = __VERIFIER_nondet_long() [L162] CALL assume_abort_if_not(var_1_14 >= -2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_14 >= -2147483647) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L163] CALL assume_abort_if_not(var_1_14 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_14 <= 2147483646) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L164] var_1_17 = __VERIFIER_nondet_double() [L165] CALL assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L166] var_1_18 = __VERIFIER_nondet_double() [L167] CALL assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L168] var_1_21 = __VERIFIER_nondet_double() [L169] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L170] var_1_26 = __VERIFIER_nondet_double() [L171] CALL assume_abort_if_not((var_1_26 >= -922337.2036854776000e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854776000e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not((var_1_26 >= -922337.2036854776000e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854776000e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L172] CALL assume_abort_if_not(var_1_26 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_26 != 0.0F) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L173] var_1_28 = __VERIFIER_nondet_char() [L174] CALL assume_abort_if_not(var_1_28 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_28 >= -127) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L175] CALL assume_abort_if_not(var_1_28 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_28 <= 126) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L176] var_1_30 = __VERIFIER_nondet_ulong() [L177] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L178] CALL assume_abort_if_not(var_1_30 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=4294967294, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_30 <= 4294967294) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=4294967294, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L179] var_1_37 = __VERIFIER_nondet_double() [L180] CALL assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854776000e+12F && var_1_37 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=4294967294, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854776000e+12F && var_1_37 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=4294967294, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L181] var_1_38 = __VERIFIER_nondet_ulong() [L182] CALL assume_abort_if_not(var_1_38 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=4294967294, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_38 >= 2147483647) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=4294967294, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L183] CALL assume_abort_if_not(var_1_38 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=4294967294, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_38 <= 4294967294) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=4294967294, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L184] var_1_39 = __VERIFIER_nondet_ulong() [L185] CALL assume_abort_if_not(var_1_39 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=4294967294, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=2147483647, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_39 >= 2147483647) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=4294967294, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=2147483647, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L186] CALL assume_abort_if_not(var_1_39 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=4294967294, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=2147483647, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_39 <= 4294967294) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=4294967294, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=2147483647, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L187] var_1_40 = __VERIFIER_nondet_ulong() [L188] CALL assume_abort_if_not(var_1_40 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=4294967294, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=2147483647, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not(var_1_40 >= 0) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=4294967294, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=2147483647, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L189] CALL assume_abort_if_not(var_1_40 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=4294967294, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=2147483647, var_1_40=2147483631, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_40 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=4294967294, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=2147483647, var_1_40=2147483631, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L206] RET updateVariables() [L207] CALL step() [L57] COND TRUE (((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))) - var_1_21) == (var_1_16 * var_1_7) [L58] var_1_19 = -4 [L60] var_1_24 = var_1_11 [L61] COND FALSE !(var_1_21 != var_1_16) [L68] COND TRUE \read(var_1_1) [L69] var_1_25 = var_1_28 [L74] var_1_29 = var_1_30 [L75] COND TRUE var_1_7 > var_1_17 [L76] COND TRUE var_1_1 && var_1_1 [L77] COND FALSE !(var_1_17 < var_1_21) [L86] COND TRUE ! ((1 + var_1_11) <= var_1_11) [L87] COND FALSE !(var_1_11 > (((((((-5) < 0 ) ? -(-5) : (-5))) < 0 ) ? -((((-5) < 0 ) ? -(-5) : (-5))) : ((((-5) < 0 ) ? -(-5) : (-5)))))) [L91] COND TRUE var_1_21 < var_1_7 [L92] COND TRUE var_1_21 == (var_1_37 - 199.3) [L93] var_1_36 = ((((((((var_1_38) < (var_1_39)) ? (var_1_38) : (var_1_39))) < 0 ) ? -((((var_1_38) < (var_1_39)) ? (var_1_38) : (var_1_39))) : ((((var_1_38) < (var_1_39)) ? (var_1_38) : (var_1_39))))) - var_1_40) [L98] COND TRUE \read(last_1_var_1_1) [L99] COND FALSE !(((((last_1_var_1_16) > (49.75)) ? (last_1_var_1_16) : (49.75))) > last_1_var_1_16) [L105] signed long int stepLocal_0 = last_1_var_1_11; [L106] COND TRUE (last_1_var_1_11 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= stepLocal_0 [L107] var_1_1 = var_1_4 [L109] signed long int stepLocal_2 = var_1_11; [L110] unsigned char stepLocal_1 = var_1_1; [L111] COND TRUE \read(var_1_1) [L112] COND TRUE var_1_11 >= stepLocal_2 [L113] COND TRUE stepLocal_1 || (var_1_11 < var_1_11) [L114] var_1_5 = var_1_7 [L120] EXPR var_1_11 & var_1_13 [L120] COND TRUE (- var_1_11) > (var_1_11 & var_1_13) [L121] COND TRUE var_1_11 <= 128 [L122] COND TRUE \read(var_1_1) [L123] var_1_15 = var_1_14 [L133] COND FALSE !(((((var_1_5) < (last_1_var_1_16)) ? (var_1_5) : (last_1_var_1_16))) >= var_1_7) [L136] var_1_16 = var_1_17 [L138] COND FALSE !(10.55f < var_1_16) [L143] COND FALSE !(var_1_16 > var_1_7) [L146] var_1_8 = var_1_7 [L207] RET step() [L208] CALL, EXPR property() [L198] EXPR ((((((last_1_var_1_11 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= last_1_var_1_11) ? (var_1_1 == ((unsigned char) var_1_4)) : 1) && (var_1_1 ? ((var_1_11 >= var_1_11) ? ((var_1_1 || (var_1_11 < var_1_11)) ? (var_1_5 == ((double) var_1_7)) : 1) : (var_1_5 == ((double) var_1_7))) : 1)) && ((10.55f < var_1_16) ? ((var_1_16 > (var_1_7 * var_1_16)) ? (var_1_8 == ((double) ((((var_1_7) > (var_1_10)) ? (var_1_7) : (var_1_10))))) : 1) : ((var_1_16 > var_1_7) ? (var_1_8 == ((double) var_1_10)) : (var_1_8 == ((double) var_1_7))))) && (last_1_var_1_1 ? ((((((last_1_var_1_16) > (49.75)) ? (last_1_var_1_16) : (49.75))) > last_1_var_1_16) ? (var_1_11 == ((signed long int) ((((last_1_var_1_15) < ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))) ? (last_1_var_1_15) : ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14)))))))) : 1) : (var_1_11 == ((signed long int) last_1_var_1_15)))) && (((- var_1_11) > (var_1_11 & var_1_13)) ? ((var_1_11 <= 128) ? (var_1_1 ? (var_1_15 == ((signed long int) var_1_14)) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_13))) [L198-L199] return (((((((last_1_var_1_11 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= last_1_var_1_11) ? (var_1_1 == ((unsigned char) var_1_4)) : 1) && (var_1_1 ? ((var_1_11 >= var_1_11) ? ((var_1_1 || (var_1_11 < var_1_11)) ? (var_1_5 == ((double) var_1_7)) : 1) : (var_1_5 == ((double) var_1_7))) : 1)) && ((10.55f < var_1_16) ? ((var_1_16 > (var_1_7 * var_1_16)) ? (var_1_8 == ((double) ((((var_1_7) > (var_1_10)) ? (var_1_7) : (var_1_10))))) : 1) : ((var_1_16 > var_1_7) ? (var_1_8 == ((double) var_1_10)) : (var_1_8 == ((double) var_1_7))))) && (last_1_var_1_1 ? ((((((last_1_var_1_16) > (49.75)) ? (last_1_var_1_16) : (49.75))) > last_1_var_1_16) ? (var_1_11 == ((signed long int) ((((last_1_var_1_15) < ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))) ? (last_1_var_1_15) : ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14)))))))) : 1) : (var_1_11 == ((signed long int) last_1_var_1_15)))) && (((- var_1_11) > (var_1_11 & var_1_13)) ? ((var_1_11 <= 128) ? (var_1_1 ? (var_1_15 == ((signed long int) var_1_14)) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_13)))) && ((((((var_1_5) < (last_1_var_1_16)) ? (var_1_5) : (last_1_var_1_16))) >= var_1_7) ? (var_1_16 == ((double) (var_1_17 + (var_1_18 + 16.75)))) : (var_1_16 == ((double) var_1_17))) ; [L208] RET, EXPR property() [L208] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=255/2, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=-6, var_1_16=100000000000004, var_1_17=100000000000004, var_1_19=-4, var_1_1=1, var_1_24=-2, var_1_25=-127, var_1_28=-127, var_1_29=4294967294, var_1_30=4294967294, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=2147483647, var_1_40=2147483631, var_1_4=1, var_1_5=255/2, var_1_7=255/2, var_1_8=255/2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=255/2, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=-6, var_1_16=100000000000004, var_1_17=100000000000004, var_1_19=-4, var_1_1=1, var_1_24=-2, var_1_25=-127, var_1_28=-127, var_1_29=4294967294, var_1_30=4294967294, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=2147483647, var_1_40=2147483631, var_1_4=1, var_1_5=255/2, var_1_7=255/2, var_1_8=255/2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 24, 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=48occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 13:18:54,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh --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 b9d8652519e41f29e8688122e81475e42760eeda179b59be7470de401a751998 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:18:56,500 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:18:56,567 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 13:18:56,573 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:18:56,573 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:18:56,609 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:18:56,610 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:18:56,611 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:18:56,612 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:18:56,612 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:18:56,613 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:18:56,613 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:18:56,614 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:18:56,614 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:18:56,615 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:18:56,615 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:18:56,616 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:18:56,617 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:18:56,617 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:18:56,618 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:18:56,618 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:18:56,619 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:18:56,619 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:18:56,620 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:18:56,620 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 13:18:56,621 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 13:18:56,621 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 13:18:56,621 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:18:56,622 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:18:56,622 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:18:56,623 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:18:56,623 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 13:18:56,623 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:18:56,624 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:18:56,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:18:56,624 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:18:56,624 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:18:56,625 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:18:56,625 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 13:18:56,625 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 13:18:56,625 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:18:56,626 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:18:56,626 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:18:56,626 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:18:56,626 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_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9d8652519e41f29e8688122e81475e42760eeda179b59be7470de401a751998 [2023-12-02 13:18:56,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:18:56,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:18:56,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:18:56,931 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:18:56,931 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:18:56,932 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-30.i [2023-12-02 13:18:59,675 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:18:59,897 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:18:59,898 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-30.i [2023-12-02 13:18:59,909 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/data/a9d6b420e/f55cb358c8844753bb1220b954be07c6/FLAG392735c72 [2023-12-02 13:18:59,923 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/data/a9d6b420e/f55cb358c8844753bb1220b954be07c6 [2023-12-02 13:18:59,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:18:59,927 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:18:59,928 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:18:59,929 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:18:59,933 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:18:59,934 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:18:59" (1/1) ... [2023-12-02 13:18:59,935 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e83f130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:59, skipping insertion in model container [2023-12-02 13:18:59,935 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:18:59" (1/1) ... [2023-12-02 13:18:59,970 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:19:00,119 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-30.i[919,932] [2023-12-02 13:19:00,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:19:00,198 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:19:00,211 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-30.i[919,932] [2023-12-02 13:19:00,245 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:19:00,265 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:19:00,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:00 WrapperNode [2023-12-02 13:19:00,265 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:19:00,266 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:19:00,266 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:19:00,266 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:19:00,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:00" (1/1) ... [2023-12-02 13:19:00,288 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:00" (1/1) ... [2023-12-02 13:19:00,319 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 193 [2023-12-02 13:19:00,320 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:19:00,321 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:19:00,321 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:19:00,321 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:19:00,330 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:00" (1/1) ... [2023-12-02 13:19:00,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:00" (1/1) ... [2023-12-02 13:19:00,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:00" (1/1) ... [2023-12-02 13:19:00,336 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:00" (1/1) ... [2023-12-02 13:19:00,348 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:00" (1/1) ... [2023-12-02 13:19:00,352 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:00" (1/1) ... [2023-12-02 13:19:00,355 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:00" (1/1) ... [2023-12-02 13:19:00,358 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:00" (1/1) ... [2023-12-02 13:19:00,363 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:19:00,363 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:19:00,364 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:19:00,364 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:19:00,365 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:00" (1/1) ... [2023-12-02 13:19:00,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:19:00,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:19:00,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:19:00,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:19:00,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 13:19:00,454 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:19:00,454 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:19:00,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:19:00,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:19:00,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:19:00,548 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:19:00,550 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:19:15,406 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:19:15,455 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:19:15,455 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:19:15,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:19:15 BoogieIcfgContainer [2023-12-02 13:19:15,456 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:19:15,458 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:19:15,458 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:19:15,461 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:19:15,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:18:59" (1/3) ... [2023-12-02 13:19:15,462 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c65d629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:19:15, skipping insertion in model container [2023-12-02 13:19:15,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:00" (2/3) ... [2023-12-02 13:19:15,462 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c65d629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:19:15, skipping insertion in model container [2023-12-02 13:19:15,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:19:15" (3/3) ... [2023-12-02 13:19:15,464 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-30.i [2023-12-02 13:19:15,479 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:19:15,480 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:19:15,521 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:19:15,527 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5905dde5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:19:15,527 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:19:15,530 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 54 states have (on average 1.5555555555555556) internal successors, (84), 55 states have internal predecessors, (84), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-02 13:19:15,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-02 13:19:15,544 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:19:15,545 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:19:15,545 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:19:15,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:19:15,550 INFO L85 PathProgramCache]: Analyzing trace with hash 842033716, now seen corresponding path program 1 times [2023-12-02 13:19:15,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:19:15,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1239808119] [2023-12-02 13:19:15,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:19:15,563 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:19:15,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:19:15,566 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:19:15,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 13:19:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:19:17,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 13:19:17,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:19:17,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 550 proven. 0 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2023-12-02 13:19:17,242 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:19:17,243 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:19:17,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1239808119] [2023-12-02 13:19:17,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1239808119] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:19:17,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:19:17,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 13:19:17,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851498448] [2023-12-02 13:19:17,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:19:17,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 13:19:17,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:19:17,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 13:19:17,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 13:19:17,283 INFO L87 Difference]: Start difference. First operand has 81 states, 54 states have (on average 1.5555555555555556) internal successors, (84), 55 states have internal predecessors, (84), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-02 13:19:20,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:19:20,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:19:20,432 INFO L93 Difference]: Finished difference Result 159 states and 286 transitions. [2023-12-02 13:19:20,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 13:19:20,488 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 158 [2023-12-02 13:19:20,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:19:20,496 INFO L225 Difference]: With dead ends: 159 [2023-12-02 13:19:20,496 INFO L226 Difference]: Without dead ends: 79 [2023-12-02 13:19:20,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 13:19:20,503 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:19:20,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2023-12-02 13:19:20,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-12-02 13:19:20,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-12-02 13:19:20,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 53 states have (on average 1.490566037735849) internal successors, (79), 53 states have internal predecessors, (79), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-02 13:19:20,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 127 transitions. [2023-12-02 13:19:20,546 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 127 transitions. Word has length 158 [2023-12-02 13:19:20,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:19:20,547 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 127 transitions. [2023-12-02 13:19:20,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-02 13:19:20,547 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 127 transitions. [2023-12-02 13:19:20,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-02 13:19:20,551 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:19:20,552 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:19:20,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 13:19:20,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:19:20,753 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:19:20,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:19:20,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1755523004, now seen corresponding path program 1 times [2023-12-02 13:19:20,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:19:20,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [474660537] [2023-12-02 13:19:20,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:19:20,754 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:19:20,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:19:20,755 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:19:20,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 13:19:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:19:22,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 13:19:22,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:19:23,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-12-02 13:19:23,953 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:19:23,953 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:19:23,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [474660537] [2023-12-02 13:19:23,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [474660537] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:19:23,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:19:23,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 13:19:23,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332251606] [2023-12-02 13:19:23,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:19:23,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:19:23,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:19:23,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:19:23,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:19:23,959 INFO L87 Difference]: Start difference. First operand 79 states and 127 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-02 13:19:26,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:19:28,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:19:30,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:19:31,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:19:31,397 INFO L93 Difference]: Finished difference Result 235 states and 379 transitions. [2023-12-02 13:19:31,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:19:31,398 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 158 [2023-12-02 13:19:31,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:19:31,403 INFO L225 Difference]: With dead ends: 235 [2023-12-02 13:19:31,403 INFO L226 Difference]: Without dead ends: 157 [2023-12-02 13:19:31,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:19:31,406 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 47 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:19:31,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 248 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 3 Unknown, 0 Unchecked, 7.4s Time] [2023-12-02 13:19:31,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2023-12-02 13:19:31,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 155. [2023-12-02 13:19:31,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 104 states have (on average 1.4711538461538463) internal successors, (153), 104 states have internal predecessors, (153), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-12-02 13:19:31,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 249 transitions. [2023-12-02 13:19:31,444 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 249 transitions. Word has length 158 [2023-12-02 13:19:31,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:19:31,445 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 249 transitions. [2023-12-02 13:19:31,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-02 13:19:31,446 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 249 transitions. [2023-12-02 13:19:31,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-12-02 13:19:31,449 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:19:31,450 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:19:31,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 13:19:31,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:19:31,652 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:19:31,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:19:31,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1915940903, now seen corresponding path program 1 times [2023-12-02 13:19:31,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:19:31,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1640691287] [2023-12-02 13:19:31,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:19:31,654 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:19:31,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:19:31,655 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:19:31,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-02 13:19:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:19:33,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 13:19:33,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:19:34,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-12-02 13:19:34,559 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:19:34,559 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:19:34,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1640691287] [2023-12-02 13:19:34,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1640691287] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:19:34,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:19:34,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:19:34,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749490546] [2023-12-02 13:19:34,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:19:34,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:19:34,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:19:34,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:19:34,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:19:34,563 INFO L87 Difference]: Start difference. First operand 155 states and 249 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-02 13:19:37,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:19:39,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:19:41,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:19:43,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:19:44,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:19:46,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:19:48,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:19:50,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:19:50,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:19:50,700 INFO L93 Difference]: Finished difference Result 495 states and 797 transitions. [2023-12-02 13:19:50,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:19:50,759 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 159 [2023-12-02 13:19:50,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:19:50,764 INFO L225 Difference]: With dead ends: 495 [2023-12-02 13:19:50,764 INFO L226 Difference]: Without dead ends: 341 [2023-12-02 13:19:50,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:19:50,767 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 122 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 54 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:19:50,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 370 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 25 Invalid, 6 Unknown, 0 Unchecked, 16.0s Time] [2023-12-02 13:19:50,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2023-12-02 13:19:50,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 307. [2023-12-02 13:19:50,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 206 states have (on average 1.4174757281553398) internal successors, (292), 206 states have internal predecessors, (292), 96 states have call successors, (96), 4 states have call predecessors, (96), 4 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-02 13:19:50,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 484 transitions. [2023-12-02 13:19:50,828 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 484 transitions. Word has length 159 [2023-12-02 13:19:50,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:19:50,829 INFO L495 AbstractCegarLoop]: Abstraction has 307 states and 484 transitions. [2023-12-02 13:19:50,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-02 13:19:50,829 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 484 transitions. [2023-12-02 13:19:50,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-02 13:19:50,832 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:19:50,833 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:19:50,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/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)] Ended with exit code 0 [2023-12-02 13:19:51,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:19:51,040 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:19:51,041 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:19:51,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1011135840, now seen corresponding path program 1 times [2023-12-02 13:19:51,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:19:51,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1245890854] [2023-12-02 13:19:51,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:19:51,042 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:19:51,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:19:51,043 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:19:51,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-02 13:19:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:19:52,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 13:19:52,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:19:55,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 48 proven. 132 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-02 13:19:55,440 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:19:56,431 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-12-02 13:19:56,431 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:19:56,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1245890854] [2023-12-02 13:19:56,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1245890854] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:19:56,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1662210852] [2023-12-02 13:19:56,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:19:56,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 13:19:56,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 13:19:56,434 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 13:19:56,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 13:19:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:19:59,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 13:19:59,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:20:00,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 23 proven. 69 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-02 13:20:00,919 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:20:01,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-12-02 13:20:01,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1662210852] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:20:01,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1371343657] [2023-12-02 13:20:01,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:20:01,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:20:01,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:20:01,618 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:20:01,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-02 13:20:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:20:03,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 13:20:03,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:20:04,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 23 proven. 69 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-02 13:20:04,708 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:20:05,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-12-02 13:20:05,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1371343657] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:20:05,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 13:20:05,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6, 6, 6, 6] total 12 [2023-12-02 13:20:05,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893299575] [2023-12-02 13:20:05,380 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 13:20:05,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 13:20:05,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:20:05,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 13:20:05,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-12-02 13:20:05,383 INFO L87 Difference]: Start difference. First operand 307 states and 484 transitions. Second operand has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 12 states have internal predecessors, (89), 3 states have call successors, (69), 3 states have call predecessors, (69), 6 states have return successors, (71), 2 states have call predecessors, (71), 3 states have call successors, (71) [2023-12-02 13:20:10,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:20:12,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:20:14,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:20:16,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:20:16,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:20:16,654 INFO L93 Difference]: Finished difference Result 502 states and 765 transitions. [2023-12-02 13:20:16,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 13:20:16,654 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 12 states have internal predecessors, (89), 3 states have call successors, (69), 3 states have call predecessors, (69), 6 states have return successors, (71), 2 states have call predecessors, (71), 3 states have call successors, (71) Word has length 160 [2023-12-02 13:20:16,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:20:16,659 INFO L225 Difference]: With dead ends: 502 [2023-12-02 13:20:16,659 INFO L226 Difference]: Without dead ends: 348 [2023-12-02 13:20:16,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 965 GetRequests, 941 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2023-12-02 13:20:16,662 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 271 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 102 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2023-12-02 13:20:16,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 339 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 275 Invalid, 3 Unknown, 0 Unchecked, 10.7s Time] [2023-12-02 13:20:16,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2023-12-02 13:20:16,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 339. [2023-12-02 13:20:16,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 230 states have (on average 1.3304347826086957) internal successors, (306), 230 states have internal predecessors, (306), 96 states have call successors, (96), 12 states have call predecessors, (96), 12 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-02 13:20:16,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 498 transitions. [2023-12-02 13:20:16,704 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 498 transitions. Word has length 160 [2023-12-02 13:20:16,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:20:16,705 INFO L495 AbstractCegarLoop]: Abstraction has 339 states and 498 transitions. [2023-12-02 13:20:16,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 12 states have internal predecessors, (89), 3 states have call successors, (69), 3 states have call predecessors, (69), 6 states have return successors, (71), 2 states have call predecessors, (71), 3 states have call successors, (71) [2023-12-02 13:20:16,705 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 498 transitions. [2023-12-02 13:20:16,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-12-02 13:20:16,707 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:20:16,707 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:20:16,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-02 13:20:16,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:20:17,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-02 13:20:17,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 13:20:17,312 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:20:17,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:20:17,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1578668163, now seen corresponding path program 1 times [2023-12-02 13:20:17,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:20:17,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1304566346] [2023-12-02 13:20:17,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:20:17,314 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:20:17,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:20:17,315 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:20:17,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-02 13:20:18,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:20:18,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 13:20:18,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:20:20,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-12-02 13:20:20,143 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:20:20,143 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:20:20,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1304566346] [2023-12-02 13:20:20,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1304566346] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:20:20,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:20:20,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:20:20,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527244396] [2023-12-02 13:20:20,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:20:20,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:20:20,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:20:20,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:20:20,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:20:20,146 INFO L87 Difference]: Start difference. First operand 339 states and 498 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-02 13:20:23,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:20:25,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:20:27,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:20:27,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:20:27,755 INFO L93 Difference]: Finished difference Result 602 states and 880 transitions. [2023-12-02 13:20:27,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:20:27,755 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 161 [2023-12-02 13:20:27,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:20:27,759 INFO L225 Difference]: With dead ends: 602 [2023-12-02 13:20:27,759 INFO L226 Difference]: Without dead ends: 264 [2023-12-02 13:20:27,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-02 13:20:27,761 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 125 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 49 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2023-12-02 13:20:27,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 393 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 99 Invalid, 2 Unknown, 0 Unchecked, 7.5s Time] [2023-12-02 13:20:27,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2023-12-02 13:20:27,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 240. [2023-12-02 13:20:27,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 158 states have (on average 1.2848101265822784) internal successors, (203), 158 states have internal predecessors, (203), 72 states have call successors, (72), 9 states have call predecessors, (72), 9 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2023-12-02 13:20:27,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 347 transitions. [2023-12-02 13:20:27,794 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 347 transitions. Word has length 161 [2023-12-02 13:20:27,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:20:27,795 INFO L495 AbstractCegarLoop]: Abstraction has 240 states and 347 transitions. [2023-12-02 13:20:27,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-02 13:20:27,795 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 347 transitions. [2023-12-02 13:20:27,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-12-02 13:20:27,797 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:20:27,797 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:20:27,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2023-12-02 13:20:27,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:20:27,998 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:20:27,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:20:27,998 INFO L85 PathProgramCache]: Analyzing trace with hash 877603585, now seen corresponding path program 1 times [2023-12-02 13:20:27,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:20:27,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1597601192] [2023-12-02 13:20:27,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:20:27,999 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:20:27,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:20:28,000 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:20:28,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-12-02 13:20:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:20:29,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 13:20:29,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:20:29,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-12-02 13:20:29,514 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:20:29,514 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:20:29,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1597601192] [2023-12-02 13:20:29,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1597601192] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:20:29,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:20:29,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:20:29,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950217111] [2023-12-02 13:20:29,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:20:29,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:20:29,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:20:29,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:20:29,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:20:29,516 INFO L87 Difference]: Start difference. First operand 240 states and 347 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-02 13:20:32,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:20:34,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:20:36,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:20:36,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:20:36,840 INFO L93 Difference]: Finished difference Result 412 states and 598 transitions. [2023-12-02 13:20:36,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:20:36,840 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 161 [2023-12-02 13:20:36,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:20:36,842 INFO L225 Difference]: With dead ends: 412 [2023-12-02 13:20:36,842 INFO L226 Difference]: Without dead ends: 240 [2023-12-02 13:20:36,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:20:36,844 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 16 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:20:36,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 203 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 3 Unknown, 0 Unchecked, 7.3s Time] [2023-12-02 13:20:36,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2023-12-02 13:20:36,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2023-12-02 13:20:36,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 158 states have (on average 1.2721518987341771) internal successors, (201), 158 states have internal predecessors, (201), 72 states have call successors, (72), 9 states have call predecessors, (72), 9 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2023-12-02 13:20:36,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 345 transitions. [2023-12-02 13:20:36,864 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 345 transitions. Word has length 161 [2023-12-02 13:20:36,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:20:36,864 INFO L495 AbstractCegarLoop]: Abstraction has 240 states and 345 transitions. [2023-12-02 13:20:36,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-02 13:20:36,864 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 345 transitions. [2023-12-02 13:20:36,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-02 13:20:36,866 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:20:36,866 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:20:36,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2023-12-02 13:20:37,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:20:37,067 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:20:37,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:20:37,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1215041643, now seen corresponding path program 1 times [2023-12-02 13:20:37,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:20:37,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [859400513] [2023-12-02 13:20:37,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:20:37,068 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:20:37,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:20:37,069 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:20:37,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe60c9c4-2997-4330-a2d7-4003624df52d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-12-02 13:20:38,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:20:38,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-02 13:20:38,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:21:14,107 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse5 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse5))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse4))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode .cse5)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode .cse4))) (and (or (and (fp.geq c_~var_1_10~0 .cse0) (fp.leq c_~var_1_10~0 .cse1)) (and (fp.geq c_~var_1_10~0 .cse2) (fp.leq c_~var_1_10~0 .cse3))) (= (_ bv1 8) c_~last_1_var_1_1~0) (or (and (fp.geq c_~var_1_7~0 .cse0) (fp.leq c_~var_1_7~0 .cse1)) (and (fp.leq c_~var_1_7~0 .cse3) (fp.geq c_~var_1_7~0 .cse2))) (exists ((~var_1_26~0 (_ FloatingPoint 11 53))) (fp.lt ((_ to_fp 11 53) c_currentRoundingMode (/ 255.0 2.0)) (fp.div c_currentRoundingMode c_~var_1_10~0 ~var_1_26~0))) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2023-12-02 13:21:51,513 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse9 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse10 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse10))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse9))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode .cse10)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode .cse9))) (and (or (and (fp.geq c_~var_1_10~0 .cse0) (fp.leq c_~var_1_10~0 .cse1)) (and (fp.geq c_~var_1_10~0 .cse2) (fp.leq c_~var_1_10~0 .cse3))) (= (_ bv1 8) c_~last_1_var_1_1~0) (or (and (fp.geq c_~var_1_7~0 .cse0) (fp.leq c_~var_1_7~0 .cse1)) (and (fp.leq c_~var_1_7~0 .cse3) (fp.geq c_~var_1_7~0 .cse2))) (exists ((~var_1_26~0 (_ FloatingPoint 11 53))) (fp.lt ((_ to_fp 11 53) c_currentRoundingMode (/ 255.0 2.0)) (fp.div c_currentRoundingMode c_~var_1_10~0 ~var_1_26~0))) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse8 (bvadd (_ bv4294967291 32) c_~var_1_13~0))) (let ((.cse6 (bvsgt .cse8 c_~var_1_14~0)) (.cse4 (= c_~last_1_var_1_15~0 c_~var_1_11~0))) (or (and (let ((.cse5 (bvslt c_~last_1_var_1_15~0 c_~var_1_14~0))) (or (and .cse4 .cse5) (and (= c_~var_1_11~0 c_~var_1_14~0) (not .cse5)))) (not .cse6)) (and .cse6 (let ((.cse7 (bvslt c_~last_1_var_1_15~0 .cse8))) (or (and (not .cse7) (= c_~var_1_13~0 (bvadd c_~var_1_11~0 (_ bv5 32)))) (and .cse4 .cse7)))))))))) is different from false [2023-12-02 13:22:03,843 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse9 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse10 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse10))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse9))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode .cse10)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode .cse9))) (and (= c_~var_1_4~0 c_~var_1_1~0) (or (and (fp.geq c_~var_1_10~0 .cse0) (fp.leq c_~var_1_10~0 .cse1)) (and (fp.geq c_~var_1_10~0 .cse2) (fp.leq c_~var_1_10~0 .cse3))) (= (_ bv1 8) c_~last_1_var_1_1~0) (or (and (fp.geq c_~var_1_7~0 .cse0) (fp.leq c_~var_1_7~0 .cse1)) (and (fp.leq c_~var_1_7~0 .cse3) (fp.geq c_~var_1_7~0 .cse2))) (exists ((~var_1_26~0 (_ FloatingPoint 11 53))) (fp.lt ((_ to_fp 11 53) c_currentRoundingMode (/ 255.0 2.0)) (fp.div c_currentRoundingMode c_~var_1_10~0 ~var_1_26~0))) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse8 (bvadd (_ bv4294967291 32) c_~var_1_13~0))) (let ((.cse6 (bvsgt .cse8 c_~var_1_14~0)) (.cse4 (= c_~last_1_var_1_15~0 c_~var_1_11~0))) (or (and (let ((.cse5 (bvslt c_~last_1_var_1_15~0 c_~var_1_14~0))) (or (and .cse4 .cse5) (and (= c_~var_1_11~0 c_~var_1_14~0) (not .cse5)))) (not .cse6)) (and .cse6 (let ((.cse7 (bvslt c_~last_1_var_1_15~0 .cse8))) (or (and (not .cse7) (= c_~var_1_13~0 (bvadd c_~var_1_11~0 (_ bv5 32)))) (and .cse4 .cse7)))))))))) is different from false [2023-12-02 13:22:25,470 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse9 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse10 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse10))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse9))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode .cse10)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode .cse9))) (and (= c_~var_1_4~0 c_~var_1_1~0) (or (and (fp.geq c_~var_1_10~0 .cse0) (fp.leq c_~var_1_10~0 .cse1)) (and (fp.geq c_~var_1_10~0 .cse2) (fp.leq c_~var_1_10~0 .cse3))) (= (_ bv1 8) c_~last_1_var_1_1~0) (or (and (fp.geq c_~var_1_7~0 .cse0) (fp.leq c_~var_1_7~0 .cse1)) (and (fp.leq c_~var_1_7~0 .cse3) (fp.geq c_~var_1_7~0 .cse2))) (exists ((~var_1_26~0 (_ FloatingPoint 11 53))) (fp.lt ((_ to_fp 11 53) c_currentRoundingMode (/ 255.0 2.0)) (fp.div c_currentRoundingMode c_~var_1_10~0 ~var_1_26~0))) (= c_~var_1_7~0 c_~var_1_5~0) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse8 (bvadd (_ bv4294967291 32) c_~var_1_13~0))) (let ((.cse6 (bvsgt .cse8 c_~var_1_14~0)) (.cse4 (= c_~last_1_var_1_15~0 c_~var_1_11~0))) (or (and (let ((.cse5 (bvslt c_~last_1_var_1_15~0 c_~var_1_14~0))) (or (and .cse4 .cse5) (and (= c_~var_1_11~0 c_~var_1_14~0) (not .cse5)))) (not .cse6)) (and .cse6 (let ((.cse7 (bvslt c_~last_1_var_1_15~0 .cse8))) (or (and (not .cse7) (= c_~var_1_13~0 (bvadd c_~var_1_11~0 (_ bv5 32)))) (and .cse4 .cse7)))))))))) is different from false [2023-12-02 13:22:32,912 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse9 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse10 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse10))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse9))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode .cse10)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode .cse9))) (and (= c_~var_1_4~0 c_~var_1_1~0) (or (and (fp.geq c_~var_1_10~0 .cse0) (fp.leq c_~var_1_10~0 .cse1)) (and (fp.geq c_~var_1_10~0 .cse2) (fp.leq c_~var_1_10~0 .cse3))) (= c_~var_1_15~0 c_~var_1_13~0) (= (_ bv1 8) c_~last_1_var_1_1~0) (or (and (fp.geq c_~var_1_7~0 .cse0) (fp.leq c_~var_1_7~0 .cse1)) (and (fp.leq c_~var_1_7~0 .cse3) (fp.geq c_~var_1_7~0 .cse2))) (exists ((~var_1_26~0 (_ FloatingPoint 11 53))) (fp.lt ((_ to_fp 11 53) c_currentRoundingMode (/ 255.0 2.0)) (fp.div c_currentRoundingMode c_~var_1_10~0 ~var_1_26~0))) (not (bvsgt (bvneg c_~var_1_11~0) (bvand c_~var_1_13~0 c_~var_1_11~0))) (= c_~var_1_7~0 c_~var_1_5~0) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse8 (bvadd (_ bv4294967291 32) c_~var_1_13~0))) (let ((.cse6 (bvsgt .cse8 c_~var_1_14~0)) (.cse4 (= c_~last_1_var_1_15~0 c_~var_1_11~0))) (or (and (let ((.cse5 (bvslt c_~last_1_var_1_15~0 c_~var_1_14~0))) (or (and .cse4 .cse5) (and (= c_~var_1_11~0 c_~var_1_14~0) (not .cse5)))) (not .cse6)) (and .cse6 (let ((.cse7 (bvslt c_~last_1_var_1_15~0 .cse8))) (or (and (not .cse7) (= c_~var_1_13~0 (bvadd c_~var_1_11~0 (_ bv5 32)))) (and .cse4 .cse7)))))))))) is different from false [2023-12-02 13:23:09,501 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse9 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse10 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse10))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse9))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode .cse10)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode .cse9))) (and (= c_~var_1_4~0 c_~var_1_1~0) (or (and (fp.geq c_~var_1_10~0 .cse0) (fp.leq c_~var_1_10~0 .cse1)) (and (fp.geq c_~var_1_10~0 .cse2) (fp.leq c_~var_1_10~0 .cse3))) (= c_~var_1_15~0 c_~var_1_13~0) (= (_ bv1 8) c_~last_1_var_1_1~0) (or (and (fp.geq c_~var_1_7~0 .cse0) (fp.leq c_~var_1_7~0 .cse1)) (and (fp.leq c_~var_1_7~0 .cse3) (fp.geq c_~var_1_7~0 .cse2))) (exists ((~var_1_26~0 (_ FloatingPoint 11 53))) (fp.lt ((_ to_fp 11 53) c_currentRoundingMode (/ 255.0 2.0)) (fp.div c_currentRoundingMode c_~var_1_10~0 ~var_1_26~0))) (not (bvsgt (bvneg c_~var_1_11~0) (bvand c_~var_1_13~0 c_~var_1_11~0))) (= c_~var_1_16~0 (fp.add c_currentRoundingMode c_~var_1_17~0 (fp.add c_currentRoundingMode c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 67.0 4.0))))) (= c_~var_1_7~0 c_~var_1_5~0) (fp.geq c_~last_1_var_1_16~0 c_~var_1_7~0) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse8 (bvadd (_ bv4294967291 32) c_~var_1_13~0))) (let ((.cse6 (bvsgt .cse8 c_~var_1_14~0)) (.cse4 (= c_~last_1_var_1_15~0 c_~var_1_11~0))) (or (and (let ((.cse5 (bvslt c_~last_1_var_1_15~0 c_~var_1_14~0))) (or (and .cse4 .cse5) (and (= c_~var_1_11~0 c_~var_1_14~0) (not .cse5)))) (not .cse6)) (and .cse6 (let ((.cse7 (bvslt c_~last_1_var_1_15~0 .cse8))) (or (and (not .cse7) (= c_~var_1_13~0 (bvadd c_~var_1_11~0 (_ bv5 32)))) (and .cse4 .cse7)))))))))) is different from false [2023-12-02 13:23:48,813 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse9 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse10 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse10))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse9))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode .cse10)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode .cse9))) (and (= c_~var_1_4~0 c_~var_1_1~0) (fp.lt ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 211.0 20.0))) c_~var_1_16~0) (or (and (fp.geq c_~var_1_10~0 .cse0) (fp.leq c_~var_1_10~0 .cse1)) (and (fp.geq c_~var_1_10~0 .cse2) (fp.leq c_~var_1_10~0 .cse3))) (= c_~var_1_15~0 c_~var_1_13~0) (= (_ bv1 8) c_~last_1_var_1_1~0) (or (and (fp.geq c_~var_1_7~0 .cse0) (fp.leq c_~var_1_7~0 .cse1)) (and (fp.leq c_~var_1_7~0 .cse3) (fp.geq c_~var_1_7~0 .cse2))) (exists ((~var_1_26~0 (_ FloatingPoint 11 53))) (fp.lt ((_ to_fp 11 53) c_currentRoundingMode (/ 255.0 2.0)) (fp.div c_currentRoundingMode c_~var_1_10~0 ~var_1_26~0))) (not (bvsgt (bvneg c_~var_1_11~0) (bvand c_~var_1_13~0 c_~var_1_11~0))) (= c_~var_1_16~0 (fp.add c_currentRoundingMode c_~var_1_17~0 (fp.add c_currentRoundingMode c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 67.0 4.0))))) (= c_~var_1_7~0 c_~var_1_5~0) (fp.geq c_~last_1_var_1_16~0 c_~var_1_7~0) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse8 (bvadd (_ bv4294967291 32) c_~var_1_13~0))) (let ((.cse6 (bvsgt .cse8 c_~var_1_14~0)) (.cse4 (= c_~last_1_var_1_15~0 c_~var_1_11~0))) (or (and (let ((.cse5 (bvslt c_~last_1_var_1_15~0 c_~var_1_14~0))) (or (and .cse4 .cse5) (and (= c_~var_1_11~0 c_~var_1_14~0) (not .cse5)))) (not .cse6)) (and .cse6 (let ((.cse7 (bvslt c_~last_1_var_1_15~0 .cse8))) (or (and (not .cse7) (= c_~var_1_13~0 (bvadd c_~var_1_11~0 (_ bv5 32)))) (and .cse4 .cse7)))))))))) is different from false [2023-12-02 13:26:09,955 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse10 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse11 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse11))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse10))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode .cse11)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode .cse10))) (and (= c_~var_1_4~0 c_~var_1_1~0) (fp.lt ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 211.0 20.0))) c_~var_1_16~0) (or (and (fp.geq c_~var_1_10~0 .cse0) (fp.leq c_~var_1_10~0 .cse1)) (and (fp.geq c_~var_1_10~0 .cse2) (fp.leq c_~var_1_10~0 .cse3))) (= c_~var_1_15~0 c_~var_1_13~0) (= (_ bv1 8) c_~last_1_var_1_1~0) (or (and (fp.geq c_~var_1_7~0 .cse0) (fp.leq c_~var_1_7~0 .cse1)) (and (fp.leq c_~var_1_7~0 .cse3) (fp.geq c_~var_1_7~0 .cse2))) (exists ((~var_1_26~0 (_ FloatingPoint 11 53))) (fp.lt ((_ to_fp 11 53) c_currentRoundingMode (/ 255.0 2.0)) (fp.div c_currentRoundingMode c_~var_1_10~0 ~var_1_26~0))) (not (bvsgt (bvneg c_~var_1_11~0) (bvand c_~var_1_13~0 c_~var_1_11~0))) (let ((.cse4 (fp.gt c_~var_1_7~0 c_~var_1_10~0))) (or (and .cse4 (= c_~var_1_7~0 c_~var_1_8~0)) (and (not .cse4) (= c_~var_1_8~0 c_~var_1_10~0)))) (= c_~var_1_16~0 (fp.add c_currentRoundingMode c_~var_1_17~0 (fp.add c_currentRoundingMode c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 67.0 4.0))))) (= c_~var_1_7~0 c_~var_1_5~0) (fp.geq c_~last_1_var_1_16~0 c_~var_1_7~0) (fp.gt c_~var_1_16~0 (fp.mul c_currentRoundingMode c_~var_1_7~0 c_~var_1_16~0)) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse9 (bvadd (_ bv4294967291 32) c_~var_1_13~0))) (let ((.cse7 (bvsgt .cse9 c_~var_1_14~0)) (.cse5 (= c_~last_1_var_1_15~0 c_~var_1_11~0))) (or (and (let ((.cse6 (bvslt c_~last_1_var_1_15~0 c_~var_1_14~0))) (or (and .cse5 .cse6) (and (= c_~var_1_11~0 c_~var_1_14~0) (not .cse6)))) (not .cse7)) (and .cse7 (let ((.cse8 (bvslt c_~last_1_var_1_15~0 .cse9))) (or (and (not .cse8) (= c_~var_1_13~0 (bvadd c_~var_1_11~0 (_ bv5 32)))) (and .cse5 .cse8)))))))))) is different from false [2023-12-02 13:26:12,002 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse10 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse11 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse11))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse10))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode .cse11)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode .cse10))) (and (= c_~var_1_4~0 c_~var_1_1~0) (fp.lt ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 211.0 20.0))) c_~var_1_16~0) (or (and (fp.geq c_~var_1_10~0 .cse0) (fp.leq c_~var_1_10~0 .cse1)) (and (fp.geq c_~var_1_10~0 .cse2) (fp.leq c_~var_1_10~0 .cse3))) (= c_~var_1_15~0 c_~var_1_13~0) (= (_ bv1 8) c_~last_1_var_1_1~0) (or (and (fp.geq c_~var_1_7~0 .cse0) (fp.leq c_~var_1_7~0 .cse1)) (and (fp.leq c_~var_1_7~0 .cse3) (fp.geq c_~var_1_7~0 .cse2))) (exists ((~var_1_26~0 (_ FloatingPoint 11 53))) (fp.lt ((_ to_fp 11 53) c_currentRoundingMode (/ 255.0 2.0)) (fp.div c_currentRoundingMode c_~var_1_10~0 ~var_1_26~0))) (not (bvsgt (bvneg c_~var_1_11~0) (bvand c_~var_1_13~0 c_~var_1_11~0))) (let ((.cse4 (fp.gt c_~var_1_7~0 c_~var_1_10~0))) (or (and .cse4 (= c_~var_1_7~0 c_~var_1_8~0)) (and (not .cse4) (= c_~var_1_8~0 c_~var_1_10~0)))) (= c_~var_1_16~0 (fp.add c_currentRoundingMode c_~var_1_17~0 (fp.add c_currentRoundingMode c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 67.0 4.0))))) (= c_~var_1_7~0 c_~var_1_5~0) (fp.geq c_~last_1_var_1_16~0 c_~var_1_7~0) (fp.gt c_~var_1_16~0 (fp.mul c_currentRoundingMode c_~var_1_7~0 c_~var_1_16~0)) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse9 (bvadd (_ bv4294967291 32) c_~var_1_13~0))) (let ((.cse7 (bvsgt .cse9 c_~var_1_14~0)) (.cse5 (= c_~last_1_var_1_15~0 c_~var_1_11~0))) (or (and (let ((.cse6 (bvslt c_~last_1_var_1_15~0 c_~var_1_14~0))) (or (and .cse5 .cse6) (and (= c_~var_1_11~0 c_~var_1_14~0) (not .cse6)))) (not .cse7)) (and .cse7 (let ((.cse8 (bvslt c_~last_1_var_1_15~0 .cse9))) (or (and (not .cse8) (= c_~var_1_13~0 (bvadd c_~var_1_11~0 (_ bv5 32)))) (and .cse5 .cse8)))))))))) is different from true