./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-37.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_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/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_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-37.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/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_c323d57f-463e-458b-94eb-aa748096d919/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 e5b330e68c043ac4746408eb41aca0051f406a21955b86ac6890b77c68015b10 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:39:41,693 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:39:41,780 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 15:39:41,786 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:39:41,786 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:39:41,809 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:39:41,809 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:39:41,810 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:39:41,810 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:39:41,811 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:39:41,811 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:39:41,812 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:39:41,812 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:39:41,813 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:39:41,813 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:39:41,814 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:39:41,814 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:39:41,815 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:39:41,815 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:39:41,816 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:39:41,816 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:39:41,817 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:39:41,818 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:39:41,818 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:39:41,818 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:39:41,819 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:39:41,819 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:39:41,819 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:39:41,820 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:39:41,820 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:39:41,821 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:39:41,821 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:39:41,821 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:39:41,821 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:39:41,822 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:39:41,822 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:39:41,822 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:39:41,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:39:41,822 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:39:41,823 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:39:41,823 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:39:41,823 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:39:41,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:39:41,823 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:39:41,824 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:39:41,824 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:39:41,824 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:39:41,824 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_c323d57f-463e-458b-94eb-aa748096d919/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5b330e68c043ac4746408eb41aca0051f406a21955b86ac6890b77c68015b10 [2023-12-02 15:39:42,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:39:42,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:39:42,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:39:42,078 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:39:42,079 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:39:42,080 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-37.i [2023-12-02 15:39:44,769 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:39:44,965 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:39:44,966 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-37.i [2023-12-02 15:39:44,974 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/data/341426694/8bde667c4c77433db6fcc8b1b2849566/FLAGe48247416 [2023-12-02 15:39:44,986 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/data/341426694/8bde667c4c77433db6fcc8b1b2849566 [2023-12-02 15:39:44,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:39:44,990 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:39:44,991 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:39:44,991 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:39:44,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:39:44,996 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:39:44" (1/1) ... [2023-12-02 15:39:44,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b91118a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:44, skipping insertion in model container [2023-12-02 15:39:44,998 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:39:44" (1/1) ... [2023-12-02 15:39:45,028 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:39:45,153 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-37.i[919,932] [2023-12-02 15:39:45,218 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:39:45,228 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:39:45,237 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_c323d57f-463e-458b-94eb-aa748096d919/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-37.i[919,932] [2023-12-02 15:39:45,270 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:39:45,289 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:39:45,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:45 WrapperNode [2023-12-02 15:39:45,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:39:45,290 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:39:45,291 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:39:45,291 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:39:45,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:45" (1/1) ... [2023-12-02 15:39:45,311 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:45" (1/1) ... [2023-12-02 15:39:45,346 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 240 [2023-12-02 15:39:45,346 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:39:45,347 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:39:45,347 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:39:45,347 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:39:45,354 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:45" (1/1) ... [2023-12-02 15:39:45,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:45" (1/1) ... [2023-12-02 15:39:45,357 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:45" (1/1) ... [2023-12-02 15:39:45,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:45" (1/1) ... [2023-12-02 15:39:45,373 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:45" (1/1) ... [2023-12-02 15:39:45,378 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:45" (1/1) ... [2023-12-02 15:39:45,383 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:45" (1/1) ... [2023-12-02 15:39:45,387 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:45" (1/1) ... [2023-12-02 15:39:45,394 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:39:45,395 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:39:45,395 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:39:45,395 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:39:45,396 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:45" (1/1) ... [2023-12-02 15:39:45,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:39:45,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:39:45,427 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:39:45,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:39:45,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:39:45,465 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:39:45,465 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:39:45,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:39:45,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:39:45,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:39:45,555 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:39:45,557 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:39:45,965 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:39:46,255 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:39:46,255 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:39:46,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:39:46 BoogieIcfgContainer [2023-12-02 15:39:46,257 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:39:46,260 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:39:46,260 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:39:46,263 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:39:46,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:39:44" (1/3) ... [2023-12-02 15:39:46,264 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b394d89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:39:46, skipping insertion in model container [2023-12-02 15:39:46,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:45" (2/3) ... [2023-12-02 15:39:46,265 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b394d89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:39:46, skipping insertion in model container [2023-12-02 15:39:46,265 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:39:46" (3/3) ... [2023-12-02 15:39:46,266 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-37.i [2023-12-02 15:39:46,285 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:39:46,285 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:39:46,331 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:39:46,336 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;@1d5cacbc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:39:46,336 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:39:46,340 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-02 15:39:46,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-02 15:39:46,349 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:39:46,349 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:39:46,350 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:39:46,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:39:46,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1273479505, now seen corresponding path program 1 times [2023-12-02 15:39:46,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:39:46,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300914930] [2023-12-02 15:39:46,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:39:46,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:39:46,587 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 15:39:46,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1743556255] [2023-12-02 15:39:46,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:39:46,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:39:46,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:39:46,590 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:39:46,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 15:39:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:39:46,833 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 15:39:46,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:39:47,045 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 15:39:47,048 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 15:39:47,049 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 15:39:47,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 15:39:47,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:39:47,256 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 15:39:47,259 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 15:39:47,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:39:47 BoogieIcfgContainer [2023-12-02 15:39:47,357 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 15:39:47,358 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 15:39:47,358 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 15:39:47,358 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 15:39:47,359 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:39:46" (3/4) ... [2023-12-02 15:39:47,361 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 15:39:47,362 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 15:39:47,363 INFO L158 Benchmark]: Toolchain (without parser) took 2372.51ms. Allocated memory is still 153.1MB. Free memory was 115.1MB in the beginning and 76.9MB in the end (delta: 38.1MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2023-12-02 15:39:47,363 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:39:47,364 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.49ms. Allocated memory is still 153.1MB. Free memory was 115.1MB in the beginning and 99.0MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 15:39:47,364 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.77ms. Allocated memory is still 153.1MB. Free memory was 99.0MB in the beginning and 94.1MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 15:39:47,365 INFO L158 Benchmark]: Boogie Preprocessor took 47.18ms. Allocated memory is still 153.1MB. Free memory was 94.1MB in the beginning and 92.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 15:39:47,366 INFO L158 Benchmark]: RCFGBuilder took 862.61ms. Allocated memory is still 153.1MB. Free memory was 92.0MB in the beginning and 54.9MB in the end (delta: 37.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-02 15:39:47,366 INFO L158 Benchmark]: TraceAbstraction took 1097.47ms. Allocated memory is still 153.1MB. Free memory was 54.0MB in the beginning and 76.9MB in the end (delta: -22.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:39:47,367 INFO L158 Benchmark]: Witness Printer took 3.94ms. Allocated memory is still 153.1MB. Free memory is still 76.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:39:47,370 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 298.49ms. Allocated memory is still 153.1MB. Free memory was 115.1MB in the beginning and 99.0MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.77ms. Allocated memory is still 153.1MB. Free memory was 99.0MB in the beginning and 94.1MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.18ms. Allocated memory is still 153.1MB. Free memory was 94.1MB in the beginning and 92.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 862.61ms. Allocated memory is still 153.1MB. Free memory was 92.0MB in the beginning and 54.9MB in the end (delta: 37.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1097.47ms. Allocated memory is still 153.1MB. Free memory was 54.0MB in the beginning and 76.9MB in the end (delta: -22.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.94ms. Allocated memory is still 153.1MB. Free memory is still 76.9MB. 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 someBinaryFLOATComparisonOperation at line 76, overapproximation of bitwiseOr at line 117, overapproximation of someBinaryArithmeticDOUBLEoperation at line 66, overapproximation of bitwiseAnd at line 117, overapproximation of someBinaryDOUBLEComparisonOperation at line 60. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 256; [L23] unsigned short int var_1_2 = 51640; [L24] unsigned short int var_1_3 = 5; [L25] float var_1_7 = 128.8; [L26] unsigned char var_1_8 = 2; [L27] float var_1_9 = 256.5; [L28] float var_1_10 = 7.25; [L29] signed char var_1_11 = 64; [L30] signed char var_1_12 = -16; [L31] double var_1_13 = 0.9; [L32] unsigned char var_1_14 = 1; [L33] double var_1_15 = 0.0; [L34] double var_1_16 = 1.275; [L35] unsigned short int var_1_17 = 8; [L36] unsigned short int var_1_18 = 35331; [L37] signed char var_1_19 = -128; [L38] double var_1_20 = 0.0; [L39] double var_1_21 = 0.0; [L40] signed char var_1_22 = -8; [L41] signed char var_1_23 = 50; [L42] signed long int var_1_27 = 32; [L43] unsigned char var_1_28 = 64; [L44] signed char var_1_29 = 100; [L45] signed char var_1_30 = -1; [L46] signed char var_1_31 = 10; [L47] signed char var_1_32 = 5; [L48] signed char var_1_33 = 1; [L49] unsigned short int var_1_34 = 32; [L50] signed long int var_1_36 = -8; [L51] float last_1_var_1_10 = 7.25; [L52] double last_1_var_1_13 = 0.9; [L53] unsigned short int last_1_var_1_17 = 8; [L54] signed char last_1_var_1_19 = -128; [L186] isInitial = 1 [L187] FCALL initially() [L188] COND TRUE 1 [L189] CALL updateLastVariables() [L176] last_1_var_1_10 = var_1_10 [L177] last_1_var_1_13 = var_1_13 [L178] last_1_var_1_17 = var_1_17 [L179] last_1_var_1_19 = var_1_19 [L189] RET updateLastVariables() [L190] CALL updateVariables() [L133] var_1_2 = __VERIFIER_nondet_ushort() [L134] CALL assume_abort_if_not(var_1_2 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_2 >= 32767) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L135] CALL assume_abort_if_not(var_1_2 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_2 <= 65535) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L136] var_1_3 = __VERIFIER_nondet_ushort() [L137] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L138] CALL assume_abort_if_not(var_1_3 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_3 <= 32767) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L139] var_1_8 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_9=513/2] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_9=513/2] [L141] CALL assume_abort_if_not(var_1_8 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_9=513/2] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_8 <= 255) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_9=513/2] [L142] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L143] var_1_9 = __VERIFIER_nondet_float() [L144] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L145] var_1_12 = __VERIFIER_nondet_char() [L146] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L147] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L148] var_1_14 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L150] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L151] var_1_15 = __VERIFIER_nondet_double() [L152] CALL assume_abort_if_not((var_1_15 >= 2305843.009213691390e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not((var_1_15 >= 2305843.009213691390e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L153] var_1_16 = __VERIFIER_nondet_double() [L154] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L155] var_1_18 = __VERIFIER_nondet_ushort() [L156] CALL assume_abort_if_not(var_1_18 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32768, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_18 >= 32767) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32768, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L157] CALL assume_abort_if_not(var_1_18 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32768, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_18 <= 65534) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32768, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L158] var_1_20 = __VERIFIER_nondet_double() [L159] CALL assume_abort_if_not((var_1_20 >= 4611686.018427387900e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854776000e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32768, var_1_19=-128, var_1_1=256, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not((var_1_20 >= 4611686.018427387900e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854776000e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32768, var_1_19=-128, var_1_1=256, var_1_21=0, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L160] var_1_21 = __VERIFIER_nondet_double() [L161] CALL assume_abort_if_not((var_1_21 >= 4611686.018427387900e+12F && 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_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32768, var_1_19=-128, var_1_1=256, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not((var_1_21 >= 4611686.018427387900e+12F && 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_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32768, var_1_19=-128, var_1_1=256, var_1_22=-8, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L162] var_1_22 = __VERIFIER_nondet_char() [L163] CALL assume_abort_if_not(var_1_22 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32768, var_1_19=-128, var_1_1=256, var_1_22=3, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_22 >= -127) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32768, var_1_19=-128, var_1_1=256, var_1_22=3, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L164] CALL assume_abort_if_not(var_1_22 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32768, var_1_19=-128, var_1_1=256, var_1_22=3, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_22 <= 126) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32768, var_1_19=-128, var_1_1=256, var_1_22=3, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=-1, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L165] var_1_30 = __VERIFIER_nondet_char() [L166] CALL assume_abort_if_not(var_1_30 >= -126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32768, var_1_19=-128, var_1_1=256, var_1_22=3, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=126, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_30 >= -126) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32768, var_1_19=-128, var_1_1=256, var_1_22=3, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=126, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L167] CALL assume_abort_if_not(var_1_30 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32768, var_1_19=-128, var_1_1=256, var_1_22=3, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=126, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_30 <= 126) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32768, var_1_19=-128, var_1_1=256, var_1_22=3, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=126, var_1_31=10, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L168] var_1_31 = __VERIFIER_nondet_char() [L169] CALL assume_abort_if_not(var_1_31 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32768, var_1_19=-128, var_1_1=256, var_1_22=3, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=126, var_1_31=0, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_31 >= 0) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32768, var_1_19=-128, var_1_1=256, var_1_22=3, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=126, var_1_31=0, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L170] CALL assume_abort_if_not(var_1_31 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32768, var_1_19=-128, var_1_1=256, var_1_22=3, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=126, var_1_31=0, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_31 <= 126) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32768, var_1_19=-128, var_1_1=256, var_1_22=3, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=126, var_1_31=0, var_1_32=5, var_1_33=1, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L171] var_1_33 = __VERIFIER_nondet_char() [L172] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32768, var_1_19=-128, var_1_1=256, var_1_22=3, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=126, var_1_31=0, var_1_32=5, var_1_33=0, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32768, var_1_19=-128, var_1_1=256, var_1_22=3, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=126, var_1_31=0, var_1_32=5, var_1_33=0, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L173] CALL assume_abort_if_not(var_1_33 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32768, var_1_19=-128, var_1_1=256, var_1_22=3, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=126, var_1_31=0, var_1_32=5, var_1_33=0, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_33 <= 126) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32768, var_1_19=-128, var_1_1=256, var_1_22=3, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=100, var_1_2=32767, var_1_30=126, var_1_31=0, var_1_32=5, var_1_33=0, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2] [L190] RET updateVariables() [L191] CALL step() [L58] signed long int stepLocal_2 = var_1_3 + last_1_var_1_19; [L59] COND FALSE !(\read(var_1_14)) [L70] COND TRUE var_1_13 > ((var_1_20 - var_1_15) - (var_1_21 - var_1_16)) [L71] var_1_19 = ((((var_1_12) > (var_1_22)) ? (var_1_12) : (var_1_22))) [L75] var_1_17 = (var_1_18 - var_1_3) [L76] COND TRUE (var_1_17 >= var_1_17) || (var_1_9 > last_1_var_1_10) [L77] var_1_10 = var_1_9 [L79] COND TRUE var_1_10 >= var_1_10 [L80] COND TRUE var_1_9 < var_1_10 [L81] var_1_11 = var_1_12 [L84] COND FALSE !((var_1_2 - var_1_3) > var_1_17) [L87] var_1_1 = 0 [L89] signed long int stepLocal_1 = var_1_1 / ((((2) < (var_1_2)) ? (2) : (var_1_2))); [L90] unsigned short int stepLocal_0 = var_1_3; [L91] COND FALSE !((var_1_19 / var_1_8) < stepLocal_1) [L98] COND TRUE (~ (- var_1_3)) < var_1_2 [L99] COND FALSE !(var_1_2 < -64) [L103] COND FALSE !(var_1_8 > var_1_19) [L106] COND FALSE !(var_1_17 <= (((((((var_1_2) < 0 ) ? -(var_1_2) : (var_1_2))) < 0 ) ? -((((var_1_2) < 0 ) ? -(var_1_2) : (var_1_2))) : ((((var_1_2) < 0 ) ? -(var_1_2) : (var_1_2)))))) [L109] COND TRUE var_1_12 <= 16 [L110] var_1_29 = (((((var_1_30) < 0 ) ? -(var_1_30) : (var_1_30))) - var_1_31) [L112] COND TRUE var_1_11 >= var_1_1 [L113] var_1_32 = ((((4) < (((((var_1_22) < ((var_1_31 - var_1_33))) ? (var_1_22) : ((var_1_31 - var_1_33)))))) ? (4) : (((((var_1_22) < ((var_1_31 - var_1_33))) ? (var_1_22) : ((var_1_31 - var_1_33))))))) [L117] EXPR var_1_17 & var_1_11 [L117] EXPR (var_1_17 & var_1_11) ^ var_1_12 [L117] EXPR var_1_19 & var_1_33 [L117] COND FALSE !(((var_1_17 & var_1_11) ^ var_1_12) < (var_1_19 & var_1_33)) [L122] EXPR var_1_3 & (~ var_1_17) [L122] COND TRUE (var_1_3 & (~ var_1_17)) <= var_1_3 [L123] COND FALSE !(\read(var_1_14)) [L191] RET step() [L192] CALL, EXPR property() [L182-L183] return ((((((((var_1_2 - var_1_3) > var_1_17) ? (var_1_1 == ((signed long int) (((((((((var_1_11 + var_1_3)) < (var_1_2)) ? ((var_1_11 + var_1_3)) : (var_1_2)))) < (var_1_17)) ? ((((((var_1_11 + var_1_3)) < (var_1_2)) ? ((var_1_11 + var_1_3)) : (var_1_2)))) : (var_1_17))))) : (var_1_1 == ((signed long int) 0))) && (((var_1_19 / var_1_8) < (var_1_1 / ((((2) < (var_1_2)) ? (2) : (var_1_2))))) ? ((var_1_1 >= var_1_3) ? (var_1_7 == ((float) 0.75f)) : (var_1_7 == ((float) var_1_9))) : 1)) && (((var_1_17 >= var_1_17) || (var_1_9 > last_1_var_1_10)) ? (var_1_10 == ((float) var_1_9)) : 1)) && ((var_1_10 >= var_1_10) ? ((var_1_9 < var_1_10) ? (var_1_11 == ((signed char) var_1_12)) : 1) : 1)) && (var_1_14 ? ((last_1_var_1_13 <= var_1_9) ? (var_1_13 == ((double) var_1_9)) : ((((((last_1_var_1_17) < ((var_1_2 * last_1_var_1_17))) ? (last_1_var_1_17) : ((var_1_2 * last_1_var_1_17)))) == (var_1_3 + last_1_var_1_19)) ? (var_1_13 == ((double) 8.75)) : (var_1_13 == ((double) (16.5 + ((var_1_15 - 49.35) - var_1_16)))))) : 1)) && (var_1_17 == ((unsigned short int) (var_1_18 - var_1_3)))) && ((var_1_13 > ((var_1_20 - var_1_15) - (var_1_21 - var_1_16))) ? (var_1_19 == ((signed char) ((((var_1_12) > (var_1_22)) ? (var_1_12) : (var_1_22))))) : (var_1_19 == ((signed char) var_1_12))) ; [L192] RET, EXPR property() [L192] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=32768, var_1_18=32768, var_1_19=3, var_1_1=0, var_1_22=3, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=126, var_1_2=32767, var_1_30=126, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=9/10, var_1_14=0, var_1_17=32768, var_1_18=32768, var_1_19=3, var_1_1=0, var_1_22=3, var_1_23=50, var_1_27=32, var_1_28=64, var_1_29=126, var_1_2=32767, var_1_30=126, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=32, var_1_36=-8, var_1_3=0, var_1_7=644/5, var_1_8=2, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 26, 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=50occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 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 15:39:47,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/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_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-37.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/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_c323d57f-463e-458b-94eb-aa748096d919/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 e5b330e68c043ac4746408eb41aca0051f406a21955b86ac6890b77c68015b10 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:39:49,332 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:39:49,407 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 15:39:49,412 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:39:49,413 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:39:49,440 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:39:49,441 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:39:49,441 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:39:49,442 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:39:49,442 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:39:49,443 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:39:49,444 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:39:49,444 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:39:49,445 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:39:49,445 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:39:49,446 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:39:49,447 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:39:49,447 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:39:49,447 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:39:49,448 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:39:49,448 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:39:49,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:39:49,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:39:49,450 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:39:49,450 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 15:39:49,450 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 15:39:49,451 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 15:39:49,451 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:39:49,452 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:39:49,452 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:39:49,452 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:39:49,453 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 15:39:49,453 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:39:49,453 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:39:49,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:39:49,454 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:39:49,454 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:39:49,454 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:39:49,454 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 15:39:49,455 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 15:39:49,455 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:39:49,455 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:39:49,455 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:39:49,456 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:39:49,456 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_c323d57f-463e-458b-94eb-aa748096d919/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5b330e68c043ac4746408eb41aca0051f406a21955b86ac6890b77c68015b10 [2023-12-02 15:39:49,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:39:49,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:39:49,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:39:49,791 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:39:49,791 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:39:49,793 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-37.i [2023-12-02 15:39:52,616 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:39:52,844 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:39:52,845 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-37.i [2023-12-02 15:39:52,856 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/data/f3bcdd211/08d7819dba754d14846696013281406f/FLAGdfa62fbcd [2023-12-02 15:39:52,869 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/data/f3bcdd211/08d7819dba754d14846696013281406f [2023-12-02 15:39:52,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:39:52,874 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:39:52,875 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:39:52,875 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:39:52,880 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:39:52,881 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:39:52" (1/1) ... [2023-12-02 15:39:52,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cb2df01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:52, skipping insertion in model container [2023-12-02 15:39:52,882 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:39:52" (1/1) ... [2023-12-02 15:39:52,917 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:39:53,069 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_c323d57f-463e-458b-94eb-aa748096d919/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-37.i[919,932] [2023-12-02 15:39:53,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:39:53,150 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:39:53,164 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_c323d57f-463e-458b-94eb-aa748096d919/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-37.i[919,932] [2023-12-02 15:39:53,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:39:53,218 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:39:53,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:53 WrapperNode [2023-12-02 15:39:53,218 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:39:53,220 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:39:53,220 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:39:53,220 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:39:53,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:53" (1/1) ... [2023-12-02 15:39:53,242 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:53" (1/1) ... [2023-12-02 15:39:53,271 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 187 [2023-12-02 15:39:53,272 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:39:53,272 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:39:53,273 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:39:53,273 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:39:53,282 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:53" (1/1) ... [2023-12-02 15:39:53,283 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:53" (1/1) ... [2023-12-02 15:39:53,288 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:53" (1/1) ... [2023-12-02 15:39:53,288 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:53" (1/1) ... [2023-12-02 15:39:53,301 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:53" (1/1) ... [2023-12-02 15:39:53,305 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:53" (1/1) ... [2023-12-02 15:39:53,308 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:53" (1/1) ... [2023-12-02 15:39:53,311 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:53" (1/1) ... [2023-12-02 15:39:53,316 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:39:53,317 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:39:53,317 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:39:53,318 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:39:53,319 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:53" (1/1) ... [2023-12-02 15:39:53,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:39:53,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:39:53,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:39:53,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:39:53,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:39:53,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 15:39:53,398 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:39:53,398 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:39:53,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:39:53,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:39:53,489 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:39:53,492 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:40:01,629 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:40:01,670 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:40:01,671 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:40:01,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:40:01 BoogieIcfgContainer [2023-12-02 15:40:01,671 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:40:01,674 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:40:01,674 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:40:01,676 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:40:01,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:39:52" (1/3) ... [2023-12-02 15:40:01,677 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b52bf31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:40:01, skipping insertion in model container [2023-12-02 15:40:01,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:53" (2/3) ... [2023-12-02 15:40:01,677 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b52bf31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:40:01, skipping insertion in model container [2023-12-02 15:40:01,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:40:01" (3/3) ... [2023-12-02 15:40:01,679 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-37.i [2023-12-02 15:40:01,692 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:40:01,692 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:40:01,734 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:40:01,741 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;@2c93ba00, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:40:01,741 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:40:01,745 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 48 states have (on average 1.5416666666666667) internal successors, (74), 49 states have internal predecessors, (74), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-02 15:40:01,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-12-02 15:40:01,759 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:40:01,760 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:40:01,760 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:40:01,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:40:01,765 INFO L85 PathProgramCache]: Analyzing trace with hash -897105474, now seen corresponding path program 1 times [2023-12-02 15:40:01,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:40:01,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [88343809] [2023-12-02 15:40:01,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:40:01,778 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 15:40:01,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:40:01,784 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/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 15:40:01,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/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 15:40:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:40:02,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 15:40:02,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:40:02,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 674 proven. 0 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2023-12-02 15:40:02,516 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:40:02,517 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:40:02,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [88343809] [2023-12-02 15:40:02,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [88343809] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:40:02,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:40:02,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 15:40:02,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945009987] [2023-12-02 15:40:02,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:40:02,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 15:40:02,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:40:02,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 15:40:02,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 15:40:02,557 INFO L87 Difference]: Start difference. First operand has 77 states, 48 states have (on average 1.5416666666666667) internal successors, (74), 49 states have internal predecessors, (74), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-02 15:40:04,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:40:04,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:40:04,779 INFO L93 Difference]: Finished difference Result 150 states and 274 transitions. [2023-12-02 15:40:04,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 15:40:04,831 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 166 [2023-12-02 15:40:04,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:40:04,838 INFO L225 Difference]: With dead ends: 150 [2023-12-02 15:40:04,838 INFO L226 Difference]: Without dead ends: 74 [2023-12-02 15:40:04,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 165 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 15:40:04,843 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:40:04,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 15:40:04,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-12-02 15:40:04,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-12-02 15:40:04,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 46 states have (on average 1.391304347826087) internal successors, (64), 46 states have internal predecessors, (64), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-02 15:40:04,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 116 transitions. [2023-12-02 15:40:04,883 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 116 transitions. Word has length 166 [2023-12-02 15:40:04,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:40:04,884 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 116 transitions. [2023-12-02 15:40:04,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-02 15:40:04,884 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 116 transitions. [2023-12-02 15:40:04,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-12-02 15:40:04,889 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:40:04,889 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:40:04,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/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 15:40:05,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/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 15:40:05,093 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:40:05,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:40:05,094 INFO L85 PathProgramCache]: Analyzing trace with hash 96204730, now seen corresponding path program 1 times [2023-12-02 15:40:05,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:40:05,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [788475906] [2023-12-02 15:40:05,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:40:05,095 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 15:40:05,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:40:05,097 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/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 15:40:05,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/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 15:40:05,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:40:05,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 15:40:05,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:40:09,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 21 proven. 576 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-12-02 15:40:09,807 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:40:10,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 21 proven. 54 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-12-02 15:40:10,515 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:40:10,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [788475906] [2023-12-02 15:40:10,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [788475906] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:40:10,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [347623321] [2023-12-02 15:40:10,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:40:10,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 15:40:10,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 15:40:10,538 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 15:40:10,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 15:40:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:40:11,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 15:40:11,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:40:11,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-02 15:40:11,240 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:40:11,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [347623321] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:40:11,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 15:40:11,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 6] total 12 [2023-12-02 15:40:11,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182417679] [2023-12-02 15:40:11,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:40:11,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:40:11,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:40:11,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:40:11,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-12-02 15:40:11,245 INFO L87 Difference]: Start difference. First operand 74 states and 116 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-02 15:40:13,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:40:15,641 WARN L539 Checker$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 15:40:17,646 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 15:40:17,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:40:17,721 INFO L93 Difference]: Finished difference Result 191 states and 298 transitions. [2023-12-02 15:40:17,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:40:17,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 166 [2023-12-02 15:40:17,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:40:17,726 INFO L225 Difference]: With dead ends: 191 [2023-12-02 15:40:17,726 INFO L226 Difference]: Without dead ends: 118 [2023-12-02 15:40:17,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 495 GetRequests, 485 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-12-02 15:40:17,729 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 51 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-12-02 15:40:17,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 246 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 3 Unknown, 0 Unchecked, 6.4s Time] [2023-12-02 15:40:17,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-12-02 15:40:17,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 115. [2023-12-02 15:40:17,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 76 states have (on average 1.4210526315789473) internal successors, (108), 77 states have internal predecessors, (108), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2023-12-02 15:40:17,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 180 transitions. [2023-12-02 15:40:17,753 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 180 transitions. Word has length 166 [2023-12-02 15:40:17,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:40:17,755 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 180 transitions. [2023-12-02 15:40:17,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-02 15:40:17,755 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 180 transitions. [2023-12-02 15:40:17,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-12-02 15:40:17,759 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:40:17,759 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:40:17,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 15:40:17,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/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 15:40:18,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/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 15:40:18,160 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:40:18,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:40:18,161 INFO L85 PathProgramCache]: Analyzing trace with hash 96264312, now seen corresponding path program 1 times [2023-12-02 15:40:18,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:40:18,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1562934298] [2023-12-02 15:40:18,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:40:18,162 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 15:40:18,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:40:18,163 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/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 15:40:18,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/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 15:40:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:40:18,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 15:40:18,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:40:22,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 21 proven. 576 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-12-02 15:40:22,525 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:40:23,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 21 proven. 54 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-12-02 15:40:23,145 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:40:23,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1562934298] [2023-12-02 15:40:23,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1562934298] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:40:23,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2056404253] [2023-12-02 15:40:23,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:40:23,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 15:40:23,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 15:40:23,147 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 15:40:23,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 15:40:24,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:40:24,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 15:40:24,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:40:27,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 543 proven. 54 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-12-02 15:40:27,975 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:40:28,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 21 proven. 54 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-12-02 15:40:28,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2056404253] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:40:28,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [241381125] [2023-12-02 15:40:28,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:40:28,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:40:28,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:40:28,391 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:40:28,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-02 15:40:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:40:28,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 15:40:28,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:40:31,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 543 proven. 54 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-12-02 15:40:31,980 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:40:32,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 21 proven. 54 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-12-02 15:40:32,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [241381125] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:40:32,417 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 15:40:32,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 13 [2023-12-02 15:40:32,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244526550] [2023-12-02 15:40:32,418 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 15:40:32,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 15:40:32,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:40:32,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 15:40:32,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2023-12-02 15:40:32,420 INFO L87 Difference]: Start difference. First operand 115 states and 180 transitions. Second operand has 13 states, 13 states have (on average 5.846153846153846) internal successors, (76), 13 states have internal predecessors, (76), 4 states have call successors, (52), 3 states have call predecessors, (52), 6 states have return successors, (53), 4 states have call predecessors, (53), 4 states have call successors, (53) [2023-12-02 15:40:36,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:40:38,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:40:40,032 WARN L539 Checker$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 15:40:41,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:40:43,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:40:46,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:40:49,193 WARN L539 Checker$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 15:40:51,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:40:53,201 WARN L539 Checker$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 15:40:55,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:40:57,207 WARN L539 Checker$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 15:40:57,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:40:57,212 INFO L93 Difference]: Finished difference Result 241 states and 369 transitions. [2023-12-02 15:40:57,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 15:40:57,268 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.846153846153846) internal successors, (76), 13 states have internal predecessors, (76), 4 states have call successors, (52), 3 states have call predecessors, (52), 6 states have return successors, (53), 4 states have call predecessors, (53), 4 states have call successors, (53) Word has length 166 [2023-12-02 15:40:57,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:40:57,272 INFO L225 Difference]: With dead ends: 241 [2023-12-02 15:40:57,272 INFO L226 Difference]: Without dead ends: 127 [2023-12-02 15:40:57,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 998 GetRequests, 978 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=123, Invalid=257, Unknown=0, NotChecked=0, Total=380 [2023-12-02 15:40:57,274 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 365 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 213 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:40:57,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 162 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 171 Invalid, 9 Unknown, 0 Unchecked, 24.1s Time] [2023-12-02 15:40:57,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2023-12-02 15:40:57,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 123. [2023-12-02 15:40:57,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 82 states have (on average 1.3658536585365855) internal successors, (112), 83 states have internal predecessors, (112), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2023-12-02 15:40:57,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 184 transitions. [2023-12-02 15:40:57,289 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 184 transitions. Word has length 166 [2023-12-02 15:40:57,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:40:57,290 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 184 transitions. [2023-12-02 15:40:57,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.846153846153846) internal successors, (76), 13 states have internal predecessors, (76), 4 states have call successors, (52), 3 states have call predecessors, (52), 6 states have return successors, (53), 4 states have call predecessors, (53), 4 states have call successors, (53) [2023-12-02 15:40:57,290 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 184 transitions. [2023-12-02 15:40:57,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-12-02 15:40:57,293 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:40:57,293 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:40:57,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/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 15:40:57,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 15:40:57,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-02 15:40:57,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/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_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:40:57,894 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:40:57,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:40:57,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1998922703, now seen corresponding path program 1 times [2023-12-02 15:40:57,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:40:57,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [392863230] [2023-12-02 15:40:57,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:40:57,895 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 15:40:57,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:40:57,896 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/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 15:40:57,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/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 15:40:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:40:58,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 15:40:58,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:40:58,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-02 15:40:58,486 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:40:58,486 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:40:58,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [392863230] [2023-12-02 15:40:58,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [392863230] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:40:58,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:40:58,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:40:58,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712575763] [2023-12-02 15:40:58,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:40:58,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:40:58,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:40:58,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:40:58,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:40:58,489 INFO L87 Difference]: Start difference. First operand 123 states and 184 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-02 15:41:00,849 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 15:41:00,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:41:00,950 INFO L93 Difference]: Finished difference Result 264 states and 391 transitions. [2023-12-02 15:41:00,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:41:00,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 167 [2023-12-02 15:41:00,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:41:00,953 INFO L225 Difference]: With dead ends: 264 [2023-12-02 15:41:00,954 INFO L226 Difference]: Without dead ends: 142 [2023-12-02 15:41:00,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 165 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 15:41:00,956 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 51 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-02 15:41:00,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 203 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2023-12-02 15:41:00,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-12-02 15:41:00,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 141. [2023-12-02 15:41:00,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 91 states have (on average 1.3076923076923077) internal successors, (119), 93 states have internal predecessors, (119), 43 states have call successors, (43), 6 states have call predecessors, (43), 6 states have return successors, (43), 41 states have call predecessors, (43), 43 states have call successors, (43) [2023-12-02 15:41:00,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 205 transitions. [2023-12-02 15:41:00,979 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 205 transitions. Word has length 167 [2023-12-02 15:41:00,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:41:00,980 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 205 transitions. [2023-12-02 15:41:00,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-02 15:41:00,981 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 205 transitions. [2023-12-02 15:41:00,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-12-02 15:41:00,983 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:41:00,984 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:41:00,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/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)] Forceful destruction successful, exit code 0 [2023-12-02 15:41:01,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/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 15:41:01,185 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:41:01,186 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:41:01,186 INFO L85 PathProgramCache]: Analyzing trace with hash 719059025, now seen corresponding path program 1 times [2023-12-02 15:41:01,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:41:01,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [183216799] [2023-12-02 15:41:01,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:41:01,187 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 15:41:01,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:41:01,188 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/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 15:41:01,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/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 15:41:01,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:41:01,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 15:41:01,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:41:03,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 232 proven. 138 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2023-12-02 15:41:03,412 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:41:04,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 6 proven. 141 refuted. 0 times theorem prover too weak. 1153 trivial. 0 not checked. [2023-12-02 15:41:04,356 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:41:04,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [183216799] [2023-12-02 15:41:04,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [183216799] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:41:04,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1204516357] [2023-12-02 15:41:04,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:41:04,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 15:41:04,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 15:41:04,358 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 15:41:04,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 15:41:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:41:06,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 15:41:06,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:41:08,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 232 proven. 138 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2023-12-02 15:41:08,097 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:41:08,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-02 15:41:08,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1204516357] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 15:41:08,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 15:41:08,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8, 8, 9] total 14 [2023-12-02 15:41:08,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489246911] [2023-12-02 15:41:08,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:41:08,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:41:08,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:41:08,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:41:08,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2023-12-02 15:41:08,297 INFO L87 Difference]: Start difference. First operand 141 states and 205 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-02 15:41:10,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:41:12,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:41:14,766 WARN L539 Checker$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 15:41:16,974 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 15:41:17,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:41:17,038 INFO L93 Difference]: Finished difference Result 305 states and 446 transitions. [2023-12-02 15:41:17,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:41:17,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 167 [2023-12-02 15:41:17,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:41:17,041 INFO L225 Difference]: With dead ends: 305 [2023-12-02 15:41:17,042 INFO L226 Difference]: Without dead ends: 175 [2023-12-02 15:41:17,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 664 GetRequests, 651 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2023-12-02 15:41:17,043 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 25 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2023-12-02 15:41:17,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 215 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 4 Unknown, 0 Unchecked, 8.7s Time] [2023-12-02 15:41:17,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2023-12-02 15:41:17,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 149. [2023-12-02 15:41:17,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 99 states have (on average 1.3232323232323233) internal successors, (131), 101 states have internal predecessors, (131), 43 states have call successors, (43), 6 states have call predecessors, (43), 6 states have return successors, (43), 41 states have call predecessors, (43), 43 states have call successors, (43) [2023-12-02 15:41:17,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 217 transitions. [2023-12-02 15:41:17,065 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 217 transitions. Word has length 167 [2023-12-02 15:41:17,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:41:17,065 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 217 transitions. [2023-12-02 15:41:17,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-02 15:41:17,066 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 217 transitions. [2023-12-02 15:41:17,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-12-02 15:41:17,068 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:41:17,068 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:41:17,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/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)] Forceful destruction successful, exit code 0 [2023-12-02 15:41:17,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-12-02 15:41:17,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 15:41:17,482 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:41:17,482 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:41:17,482 INFO L85 PathProgramCache]: Analyzing trace with hash -292058225, now seen corresponding path program 1 times [2023-12-02 15:41:17,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:41:17,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [96187315] [2023-12-02 15:41:17,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:41:17,483 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 15:41:17,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:41:17,484 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/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 15:41:17,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/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 (11)] Waiting until timeout for monitored process [2023-12-02 15:41:18,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:41:18,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 15:41:18,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:41:19,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 232 proven. 138 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2023-12-02 15:41:19,749 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:41:20,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 6 proven. 141 refuted. 0 times theorem prover too weak. 1153 trivial. 0 not checked. [2023-12-02 15:41:20,725 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:41:20,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [96187315] [2023-12-02 15:41:20,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [96187315] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:41:20,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [154961225] [2023-12-02 15:41:20,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:41:20,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 15:41:20,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 15:41:20,727 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 15:41:20,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323d57f-463e-458b-94eb-aa748096d919/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 15:41:22,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:41:22,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 15:41:22,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:41:45,928 WARN L854 $PredicateComparison]: unable to prove that (and (fp.gt c_~var_1_13~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_20~0 c_~var_1_15~0) (fp.sub c_currentRoundingMode c_~var_1_21~0 c_~var_1_16~0))) (let ((.cse0 ((_ sign_extend 24) c_~var_1_12~0)) (.cse2 ((_ sign_extend 24) c_~var_1_22~0))) (let ((.cse1 (bvsgt .cse0 .cse2))) (or (and (= c_~var_1_19~0 ((_ extract 7 0) .cse0)) .cse1) (and (not .cse1) (= c_~var_1_19~0 ((_ extract 7 0) .cse2)))))) (bvsge ((_ zero_extend 16) c_~var_1_2~0) (_ bv32767 32))) is different from false [2023-12-02 15:41:47,954 WARN L876 $PredicateComparison]: unable to prove that (and (fp.gt c_~var_1_13~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_20~0 c_~var_1_15~0) (fp.sub c_currentRoundingMode c_~var_1_21~0 c_~var_1_16~0))) (let ((.cse0 ((_ sign_extend 24) c_~var_1_12~0)) (.cse2 ((_ sign_extend 24) c_~var_1_22~0))) (let ((.cse1 (bvsgt .cse0 .cse2))) (or (and (= c_~var_1_19~0 ((_ extract 7 0) .cse0)) .cse1) (and (not .cse1) (= c_~var_1_19~0 ((_ extract 7 0) .cse2)))))) (bvsge ((_ zero_extend 16) c_~var_1_2~0) (_ bv32767 32))) is different from true [2023-12-02 15:42:14,773 WARN L854 $PredicateComparison]: unable to prove that (and (fp.gt c_~var_1_13~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_20~0 c_~var_1_15~0) (fp.sub c_currentRoundingMode c_~var_1_21~0 c_~var_1_16~0))) (= c_~var_1_17~0 ((_ extract 15 0) (bvadd (bvneg ((_ zero_extend 16) c_~var_1_3~0)) ((_ zero_extend 16) c_~var_1_18~0)))) (let ((.cse0 ((_ sign_extend 24) c_~var_1_12~0)) (.cse2 ((_ sign_extend 24) c_~var_1_22~0))) (let ((.cse1 (bvsgt .cse0 .cse2))) (or (and (= c_~var_1_19~0 ((_ extract 7 0) .cse0)) .cse1) (and (not .cse1) (= c_~var_1_19~0 ((_ extract 7 0) .cse2)))))) (bvsge ((_ zero_extend 16) c_~var_1_2~0) (_ bv32767 32))) is different from false [2023-12-02 15:42:45,614 WARN L854 $PredicateComparison]: unable to prove that (and (fp.gt c_~var_1_13~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_20~0 c_~var_1_15~0) (fp.sub c_currentRoundingMode c_~var_1_21~0 c_~var_1_16~0))) (= c_~var_1_10~0 c_~var_1_9~0) (= c_~var_1_17~0 ((_ extract 15 0) (bvadd (bvneg ((_ zero_extend 16) c_~var_1_3~0)) ((_ zero_extend 16) c_~var_1_18~0)))) (let ((.cse0 ((_ sign_extend 24) c_~var_1_12~0)) (.cse2 ((_ sign_extend 24) c_~var_1_22~0))) (let ((.cse1 (bvsgt .cse0 .cse2))) (or (and (= c_~var_1_19~0 ((_ extract 7 0) .cse0)) .cse1) (and (not .cse1) (= c_~var_1_19~0 ((_ extract 7 0) .cse2)))))) (bvsge ((_ zero_extend 16) c_~var_1_2~0) (_ bv32767 32))) is different from false [2023-12-02 15:42:47,637 WARN L876 $PredicateComparison]: unable to prove that (and (fp.gt c_~var_1_13~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_20~0 c_~var_1_15~0) (fp.sub c_currentRoundingMode c_~var_1_21~0 c_~var_1_16~0))) (= c_~var_1_10~0 c_~var_1_9~0) (= c_~var_1_17~0 ((_ extract 15 0) (bvadd (bvneg ((_ zero_extend 16) c_~var_1_3~0)) ((_ zero_extend 16) c_~var_1_18~0)))) (let ((.cse0 ((_ sign_extend 24) c_~var_1_12~0)) (.cse2 ((_ sign_extend 24) c_~var_1_22~0))) (let ((.cse1 (bvsgt .cse0 .cse2))) (or (and (= c_~var_1_19~0 ((_ extract 7 0) .cse0)) .cse1) (and (not .cse1) (= c_~var_1_19~0 ((_ extract 7 0) .cse2)))))) (bvsge ((_ zero_extend 16) c_~var_1_2~0) (_ bv32767 32))) is different from true [2023-12-02 15:43:22,687 WARN L854 $PredicateComparison]: unable to prove that (and (fp.gt c_~var_1_13~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_20~0 c_~var_1_15~0) (fp.sub c_currentRoundingMode c_~var_1_21~0 c_~var_1_16~0))) (= c_~var_1_10~0 c_~var_1_9~0) (= c_~var_1_17~0 ((_ extract 15 0) (bvadd (bvneg ((_ zero_extend 16) c_~var_1_3~0)) ((_ zero_extend 16) c_~var_1_18~0)))) (let ((.cse0 ((_ sign_extend 24) c_~var_1_12~0)) (.cse2 ((_ sign_extend 24) c_~var_1_22~0))) (let ((.cse1 (bvsgt .cse0 .cse2))) (or (and (= c_~var_1_19~0 ((_ extract 7 0) .cse0)) .cse1) (and (not .cse1) (= c_~var_1_19~0 ((_ extract 7 0) .cse2)))))) (fp.geq c_~var_1_10~0 c_~var_1_10~0) (bvsge ((_ zero_extend 16) c_~var_1_2~0) (_ bv32767 32))) is different from false [2023-12-02 15:44:31,435 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (bvneg ((_ zero_extend 16) c_~var_1_3~0))) (.cse1 ((_ zero_extend 16) c_~var_1_2~0))) (and (fp.gt c_~var_1_13~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_20~0 c_~var_1_15~0) (fp.sub c_currentRoundingMode c_~var_1_21~0 c_~var_1_16~0))) (= c_~var_1_1~0 (_ bv0 32)) (= c_~var_1_10~0 c_~var_1_9~0) (not (bvsgt (bvadd .cse0 .cse1) ((_ zero_extend 16) c_~var_1_17~0))) (= c_~var_1_17~0 ((_ extract 15 0) (bvadd .cse0 ((_ zero_extend 16) c_~var_1_18~0)))) (let ((.cse2 ((_ sign_extend 24) c_~var_1_12~0)) (.cse4 ((_ sign_extend 24) c_~var_1_22~0))) (let ((.cse3 (bvsgt .cse2 .cse4))) (or (and (= c_~var_1_19~0 ((_ extract 7 0) .cse2)) .cse3) (and (not .cse3) (= c_~var_1_19~0 ((_ extract 7 0) .cse4)))))) (fp.geq c_~var_1_10~0 c_~var_1_10~0) (bvsge .cse1 (_ bv32767 32)))) is different from false [2023-12-02 15:44:33,460 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 (bvneg ((_ zero_extend 16) c_~var_1_3~0))) (.cse1 ((_ zero_extend 16) c_~var_1_2~0))) (and (fp.gt c_~var_1_13~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_20~0 c_~var_1_15~0) (fp.sub c_currentRoundingMode c_~var_1_21~0 c_~var_1_16~0))) (= c_~var_1_1~0 (_ bv0 32)) (= c_~var_1_10~0 c_~var_1_9~0) (not (bvsgt (bvadd .cse0 .cse1) ((_ zero_extend 16) c_~var_1_17~0))) (= c_~var_1_17~0 ((_ extract 15 0) (bvadd .cse0 ((_ zero_extend 16) c_~var_1_18~0)))) (let ((.cse2 ((_ sign_extend 24) c_~var_1_12~0)) (.cse4 ((_ sign_extend 24) c_~var_1_22~0))) (let ((.cse3 (bvsgt .cse2 .cse4))) (or (and (= c_~var_1_19~0 ((_ extract 7 0) .cse2)) .cse3) (and (not .cse3) (= c_~var_1_19~0 ((_ extract 7 0) .cse4)))))) (fp.geq c_~var_1_10~0 c_~var_1_10~0) (bvsge .cse1 (_ bv32767 32)))) is different from true [2023-12-02 15:45:15,812 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (bvneg ((_ zero_extend 16) c_~var_1_3~0))) (.cse1 ((_ zero_extend 16) c_~var_1_2~0))) (and (fp.gt c_~var_1_13~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_20~0 c_~var_1_15~0) (fp.sub c_currentRoundingMode c_~var_1_21~0 c_~var_1_16~0))) (= c_~var_1_1~0 (_ bv0 32)) (= c_~var_1_10~0 c_~var_1_9~0) (not (bvsgt (bvadd .cse0 .cse1) ((_ zero_extend 16) c_~var_1_17~0))) (= |c_ULTIMATE.start_step_~stepLocal_1~0#1| (_ bv0 32)) (= c_~var_1_17~0 ((_ extract 15 0) (bvadd .cse0 ((_ zero_extend 16) c_~var_1_18~0)))) (let ((.cse2 ((_ sign_extend 24) c_~var_1_12~0)) (.cse4 ((_ sign_extend 24) c_~var_1_22~0))) (let ((.cse3 (bvsgt .cse2 .cse4))) (or (and (= c_~var_1_19~0 ((_ extract 7 0) .cse2)) .cse3) (and (not .cse3) (= c_~var_1_19~0 ((_ extract 7 0) .cse4)))))) (fp.geq c_~var_1_10~0 c_~var_1_10~0) (bvsge .cse1 (_ bv32767 32)))) is different from false [2023-12-02 15:45:17,842 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 (bvneg ((_ zero_extend 16) c_~var_1_3~0))) (.cse1 ((_ zero_extend 16) c_~var_1_2~0))) (and (fp.gt c_~var_1_13~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_20~0 c_~var_1_15~0) (fp.sub c_currentRoundingMode c_~var_1_21~0 c_~var_1_16~0))) (= c_~var_1_1~0 (_ bv0 32)) (= c_~var_1_10~0 c_~var_1_9~0) (not (bvsgt (bvadd .cse0 .cse1) ((_ zero_extend 16) c_~var_1_17~0))) (= |c_ULTIMATE.start_step_~stepLocal_1~0#1| (_ bv0 32)) (= c_~var_1_17~0 ((_ extract 15 0) (bvadd .cse0 ((_ zero_extend 16) c_~var_1_18~0)))) (let ((.cse2 ((_ sign_extend 24) c_~var_1_12~0)) (.cse4 ((_ sign_extend 24) c_~var_1_22~0))) (let ((.cse3 (bvsgt .cse2 .cse4))) (or (and (= c_~var_1_19~0 ((_ extract 7 0) .cse2)) .cse3) (and (not .cse3) (= c_~var_1_19~0 ((_ extract 7 0) .cse4)))))) (fp.geq c_~var_1_10~0 c_~var_1_10~0) (bvsge .cse1 (_ bv32767 32)))) is different from true [2023-12-02 15:46:04,224 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (bvneg ((_ zero_extend 16) c_~var_1_3~0))) (.cse1 ((_ zero_extend 16) c_~var_1_2~0))) (and (fp.gt c_~var_1_13~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_20~0 c_~var_1_15~0) (fp.sub c_currentRoundingMode c_~var_1_21~0 c_~var_1_16~0))) (not (bvslt (bvsdiv ((_ sign_extend 24) c_~var_1_19~0) ((_ zero_extend 24) c_~var_1_8~0)) (_ bv0 32))) (= c_~var_1_1~0 (_ bv0 32)) (= c_~var_1_10~0 c_~var_1_9~0) (not (bvsgt (bvadd .cse0 .cse1) ((_ zero_extend 16) c_~var_1_17~0))) (= c_~var_1_17~0 ((_ extract 15 0) (bvadd .cse0 ((_ zero_extend 16) c_~var_1_18~0)))) (let ((.cse2 ((_ sign_extend 24) c_~var_1_12~0)) (.cse4 ((_ sign_extend 24) c_~var_1_22~0))) (let ((.cse3 (bvsgt .cse2 .cse4))) (or (and (= c_~var_1_19~0 ((_ extract 7 0) .cse2)) .cse3) (and (not .cse3) (= c_~var_1_19~0 ((_ extract 7 0) .cse4)))))) (fp.geq c_~var_1_10~0 c_~var_1_10~0) (bvsge .cse1 (_ bv32767 32)))) is different from false [2023-12-02 15:46:06,256 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 (bvneg ((_ zero_extend 16) c_~var_1_3~0))) (.cse1 ((_ zero_extend 16) c_~var_1_2~0))) (and (fp.gt c_~var_1_13~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_20~0 c_~var_1_15~0) (fp.sub c_currentRoundingMode c_~var_1_21~0 c_~var_1_16~0))) (not (bvslt (bvsdiv ((_ sign_extend 24) c_~var_1_19~0) ((_ zero_extend 24) c_~var_1_8~0)) (_ bv0 32))) (= c_~var_1_1~0 (_ bv0 32)) (= c_~var_1_10~0 c_~var_1_9~0) (not (bvsgt (bvadd .cse0 .cse1) ((_ zero_extend 16) c_~var_1_17~0))) (= c_~var_1_17~0 ((_ extract 15 0) (bvadd .cse0 ((_ zero_extend 16) c_~var_1_18~0)))) (let ((.cse2 ((_ sign_extend 24) c_~var_1_12~0)) (.cse4 ((_ sign_extend 24) c_~var_1_22~0))) (let ((.cse3 (bvsgt .cse2 .cse4))) (or (and (= c_~var_1_19~0 ((_ extract 7 0) .cse2)) .cse3) (and (not .cse3) (= c_~var_1_19~0 ((_ extract 7 0) .cse4)))))) (fp.geq c_~var_1_10~0 c_~var_1_10~0) (bvsge .cse1 (_ bv32767 32)))) is different from true [2023-12-02 15:52:03,482 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (bvneg ((_ zero_extend 16) c_~var_1_3~0))) (.cse1 ((_ zero_extend 16) c_~var_1_2~0))) (and (fp.gt c_~var_1_13~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_20~0 c_~var_1_15~0) (fp.sub c_currentRoundingMode c_~var_1_21~0 c_~var_1_16~0))) (not (bvslt (bvsdiv ((_ sign_extend 24) c_~var_1_19~0) ((_ zero_extend 24) c_~var_1_8~0)) (_ bv0 32))) (= c_~var_1_1~0 (_ bv0 32)) (= c_~var_1_10~0 c_~var_1_9~0) (not (bvsgt (bvadd .cse0 .cse1) ((_ zero_extend 16) c_~var_1_17~0))) (= c_~var_1_17~0 ((_ extract 15 0) (bvadd .cse0 ((_ zero_extend 16) c_~var_1_18~0)))) (let ((.cse2 ((_ sign_extend 24) c_~var_1_12~0)) (.cse4 ((_ sign_extend 24) c_~var_1_22~0))) (let ((.cse3 (bvsgt .cse2 .cse4))) (or (and (= c_~var_1_19~0 ((_ extract 7 0) .cse2)) .cse3) (and (not .cse3) (= c_~var_1_19~0 ((_ extract 7 0) .cse4)))))) (fp.geq c_~var_1_10~0 c_~var_1_10~0) (bvsge .cse1 (_ bv32767 32)) (= (_ bv0 8) c_~var_1_14~0))) is different from false [2023-12-02 15:52:05,517 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 (bvneg ((_ zero_extend 16) c_~var_1_3~0))) (.cse1 ((_ zero_extend 16) c_~var_1_2~0))) (and (fp.gt c_~var_1_13~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_20~0 c_~var_1_15~0) (fp.sub c_currentRoundingMode c_~var_1_21~0 c_~var_1_16~0))) (not (bvslt (bvsdiv ((_ sign_extend 24) c_~var_1_19~0) ((_ zero_extend 24) c_~var_1_8~0)) (_ bv0 32))) (= c_~var_1_1~0 (_ bv0 32)) (= c_~var_1_10~0 c_~var_1_9~0) (not (bvsgt (bvadd .cse0 .cse1) ((_ zero_extend 16) c_~var_1_17~0))) (= c_~var_1_17~0 ((_ extract 15 0) (bvadd .cse0 ((_ zero_extend 16) c_~var_1_18~0)))) (let ((.cse2 ((_ sign_extend 24) c_~var_1_12~0)) (.cse4 ((_ sign_extend 24) c_~var_1_22~0))) (let ((.cse3 (bvsgt .cse2 .cse4))) (or (and (= c_~var_1_19~0 ((_ extract 7 0) .cse2)) .cse3) (and (not .cse3) (= c_~var_1_19~0 ((_ extract 7 0) .cse4)))))) (fp.geq c_~var_1_10~0 c_~var_1_10~0) (bvsge .cse1 (_ bv32767 32)) (= (_ bv0 8) c_~var_1_14~0))) is different from true