./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-40.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/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_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-40.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/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_445ef7bf-0473-4d02-a36b-1129912efcdf/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 c582d19db83cd7211158e81ede71093cb65293c4fbd970a89ad34dd4e53252c2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:11:58,315 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:11:58,377 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 13:11:58,381 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:11:58,382 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:11:58,403 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:11:58,404 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:11:58,404 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:11:58,405 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:11:58,405 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:11:58,406 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:11:58,407 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:11:58,407 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:11:58,408 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 13:11:58,408 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:11:58,409 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:11:58,409 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 13:11:58,410 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 13:11:58,410 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:11:58,411 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 13:11:58,411 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 13:11:58,412 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 13:11:58,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:11:58,413 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:11:58,413 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:11:58,414 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 13:11:58,414 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:11:58,415 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:11:58,415 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:11:58,416 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:11:58,416 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:11:58,416 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:11:58,417 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:11:58,417 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:11:58,417 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:11:58,417 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:11:58,417 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:11:58,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:11:58,418 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:11:58,418 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:11:58,418 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:11:58,419 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 13:11:58,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 13:11:58,419 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:11:58,419 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:11:58,419 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:11:58,420 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:11:58,420 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_445ef7bf-0473-4d02-a36b-1129912efcdf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c582d19db83cd7211158e81ede71093cb65293c4fbd970a89ad34dd4e53252c2 [2023-12-02 13:11:58,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:11:58,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:11:58,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:11:58,651 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:11:58,651 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:11:58,652 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-40.i [2023-12-02 13:12:01,397 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:12:01,579 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:12:01,579 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-40.i [2023-12-02 13:12:01,590 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/data/496b6e261/4ec3254387c947658308be552cf962cd/FLAG177ac5683 [2023-12-02 13:12:01,604 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/data/496b6e261/4ec3254387c947658308be552cf962cd [2023-12-02 13:12:01,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:12:01,608 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:12:01,610 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:12:01,610 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:12:01,615 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:12:01,616 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:12:01" (1/1) ... [2023-12-02 13:12:01,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9904f67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:01, skipping insertion in model container [2023-12-02 13:12:01,617 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:12:01" (1/1) ... [2023-12-02 13:12:01,653 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:12:01,791 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_445ef7bf-0473-4d02-a36b-1129912efcdf/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-40.i[919,932] [2023-12-02 13:12:01,857 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:12:01,868 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:12:01,880 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_445ef7bf-0473-4d02-a36b-1129912efcdf/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-40.i[919,932] [2023-12-02 13:12:01,918 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:12:01,937 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:12:01,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:01 WrapperNode [2023-12-02 13:12:01,937 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:12:01,938 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:12:01,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:12:01,939 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:12:01,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:01" (1/1) ... [2023-12-02 13:12:01,959 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:01" (1/1) ... [2023-12-02 13:12:02,003 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 201 [2023-12-02 13:12:02,003 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:12:02,004 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:12:02,004 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:12:02,004 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:12:02,014 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:01" (1/1) ... [2023-12-02 13:12:02,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:01" (1/1) ... [2023-12-02 13:12:02,018 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:01" (1/1) ... [2023-12-02 13:12:02,019 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:01" (1/1) ... [2023-12-02 13:12:02,034 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:01" (1/1) ... [2023-12-02 13:12:02,038 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:01" (1/1) ... [2023-12-02 13:12:02,042 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:01" (1/1) ... [2023-12-02 13:12:02,045 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:01" (1/1) ... [2023-12-02 13:12:02,051 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:12:02,052 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:12:02,052 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:12:02,052 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:12:02,053 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:01" (1/1) ... [2023-12-02 13:12:02,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:12:02,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:12:02,082 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:12:02,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:12:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:12:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:12:02,112 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:12:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 13:12:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:12:02,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:12:02,193 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:12:02,194 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:12:02,553 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:12:02,785 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:12:02,785 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:12:02,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:12:02 BoogieIcfgContainer [2023-12-02 13:12:02,787 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:12:02,790 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:12:02,790 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:12:02,793 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:12:02,793 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:12:01" (1/3) ... [2023-12-02 13:12:02,794 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@363c09c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:12:02, skipping insertion in model container [2023-12-02 13:12:02,794 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:01" (2/3) ... [2023-12-02 13:12:02,795 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@363c09c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:12:02, skipping insertion in model container [2023-12-02 13:12:02,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:12:02" (3/3) ... [2023-12-02 13:12:02,796 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-cn_file-40.i [2023-12-02 13:12:02,815 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:12:02,815 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:12:02,862 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:12:02,868 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;@18d320ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:12:02,868 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:12:02,871 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 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 13:12:02,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-02 13:12:02,880 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:12:02,881 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] [2023-12-02 13:12:02,881 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:12:02,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:12:02,886 INFO L85 PathProgramCache]: Analyzing trace with hash -471752839, now seen corresponding path program 1 times [2023-12-02 13:12:02,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:12:02,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499398436] [2023-12-02 13:12:02,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:12:02,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:12:03,054 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:12:03,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [493220077] [2023-12-02 13:12:03,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:12:03,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:12:03,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:12:03,060 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:12:03,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 13:12:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:12:03,559 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 13:12:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:12:03,795 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 13:12:03,797 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 13:12:03,798 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 13:12:03,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 13:12:04,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 13:12:04,005 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 13:12:04,009 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 13:12:04,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:12:04 BoogieIcfgContainer [2023-12-02 13:12:04,112 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 13:12:04,112 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 13:12:04,112 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 13:12:04,113 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 13:12:04,113 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:12:02" (3/4) ... [2023-12-02 13:12:04,115 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 13:12:04,116 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 13:12:04,116 INFO L158 Benchmark]: Toolchain (without parser) took 2508.15ms. Allocated memory is still 155.2MB. Free memory was 115.3MB in the beginning and 80.0MB in the end (delta: 35.3MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2023-12-02 13:12:04,117 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 109.1MB. Free memory is still 55.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:12:04,117 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.09ms. Allocated memory is still 155.2MB. Free memory was 115.3MB in the beginning and 99.7MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 13:12:04,118 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.02ms. Allocated memory is still 155.2MB. Free memory was 99.7MB in the beginning and 95.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 13:12:04,119 INFO L158 Benchmark]: Boogie Preprocessor took 46.71ms. Allocated memory is still 155.2MB. Free memory was 95.1MB in the beginning and 92.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 13:12:04,119 INFO L158 Benchmark]: RCFGBuilder took 735.51ms. Allocated memory is still 155.2MB. Free memory was 92.6MB in the beginning and 70.6MB in the end (delta: 22.0MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2023-12-02 13:12:04,120 INFO L158 Benchmark]: TraceAbstraction took 1321.80ms. Allocated memory is still 155.2MB. Free memory was 69.8MB in the beginning and 81.1MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:12:04,120 INFO L158 Benchmark]: Witness Printer took 3.34ms. Allocated memory is still 155.2MB. Free memory was 81.1MB in the beginning and 80.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 13:12:04,124 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 109.1MB. Free memory is still 55.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.09ms. Allocated memory is still 155.2MB. Free memory was 115.3MB in the beginning and 99.7MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.02ms. Allocated memory is still 155.2MB. Free memory was 99.7MB in the beginning and 95.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.71ms. Allocated memory is still 155.2MB. Free memory was 95.1MB in the beginning and 92.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 735.51ms. Allocated memory is still 155.2MB. Free memory was 92.6MB in the beginning and 70.6MB in the end (delta: 22.0MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1321.80ms. Allocated memory is still 155.2MB. Free memory was 69.8MB in the beginning and 81.1MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.34ms. Allocated memory is still 155.2MB. Free memory was 81.1MB in the beginning and 80.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 63, overapproximation of bitwiseOr at line 86, overapproximation of someUnaryDOUBLEoperation at line 87, overapproximation of someBinaryDOUBLEComparisonOperation at line 87. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 128; [L23] signed short int var_1_4 = -200; [L24] unsigned short int var_1_8 = 5; [L25] unsigned char var_1_9 = 1; [L26] unsigned char var_1_10 = 0; [L27] unsigned char var_1_11 = 0; [L28] unsigned char var_1_12 = 16; [L29] unsigned char var_1_15 = 50; [L30] unsigned short int var_1_16 = 1; [L31] float var_1_17 = 25.4; [L32] float var_1_20 = 1.6; [L33] unsigned short int var_1_21 = 0; [L34] float var_1_24 = 128.5; [L35] double var_1_25 = -0.5; [L36] signed long int var_1_26 = 4; [L37] signed char var_1_27 = 2; [L38] signed char var_1_28 = -16; [L39] signed char var_1_29 = 0; [L40] unsigned char var_1_30 = 0; [L41] unsigned char var_1_31 = 0; [L42] unsigned char var_1_32 = 0; [L43] unsigned char var_1_33 = 8; [L44] unsigned long int var_1_34 = 50; [L45] double var_1_35 = 31.1; [L46] double var_1_36 = 127.4; [L47] unsigned long int var_1_37 = 64; [L48] signed long int var_1_38 = 8; [L49] float var_1_39 = 200.6; [L50] unsigned short int var_1_40 = 2; [L51] signed char var_1_42 = -4; [L52] double var_1_43 = 2.75; [L53] double var_1_44 = 7.6; [L54] signed char var_1_45 = 32; [L55] unsigned long int var_1_46 = 32; [L56] signed long int var_1_47 = -256; [L57] unsigned char last_1_var_1_9 = 1; [L58] float last_1_var_1_24 = 128.5; [L182] isInitial = 1 [L183] FCALL initially() [L184] COND TRUE 1 [L185] CALL updateLastVariables() [L174] last_1_var_1_9 = var_1_9 [L175] last_1_var_1_24 = var_1_24 [L185] RET updateLastVariables() [L186] CALL updateVariables() [L132] var_1_4 = __VERIFIER_nondet_short() [L133] CALL assume_abort_if_not(var_1_4 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=5, var_1_9=1] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_4 >= -32768) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=5, var_1_9=1] [L134] CALL assume_abort_if_not(var_1_4 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=5, var_1_9=1] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_4 <= 32767) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=5, var_1_9=1] [L135] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=5, var_1_9=1] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=5, var_1_9=1] [L136] var_1_8 = __VERIFIER_nondet_ushort() [L137] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_9=1] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_9=1] [L138] CALL assume_abort_if_not(var_1_8 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_8 <= 32767) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L139] var_1_10 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L141] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L142] var_1_11 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L144] CALL assume_abort_if_not(var_1_11 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_11 <= 0) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L145] var_1_15 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L147] CALL assume_abort_if_not(var_1_15 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=1, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_15 <= 254) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=1, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L148] var_1_20 = __VERIFIER_nondet_float() [L149] CALL assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=1, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=1, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L150] var_1_28 = __VERIFIER_nondet_char() [L151] CALL assume_abort_if_not(var_1_28 >= -126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=1, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=126, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_28 >= -126) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=1, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=126, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L152] CALL assume_abort_if_not(var_1_28 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=1, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=126, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_28 <= 126) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=1, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=126, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L153] var_1_29 = __VERIFIER_nondet_char() [L154] CALL assume_abort_if_not(var_1_29 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=1, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=126, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_29 >= 0) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=1, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=126, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L155] CALL assume_abort_if_not(var_1_29 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=1, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=126, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_29 <= 126) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=1, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=126, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L156] var_1_31 = __VERIFIER_nondet_uchar() [L157] CALL assume_abort_if_not(var_1_31 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=1, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=126, var_1_29=0, var_1_30=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_31 >= 0) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=1, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=126, var_1_29=0, var_1_30=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L158] CALL assume_abort_if_not(var_1_31 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=1, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=126, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_31 <= 1) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=1, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=126, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L159] var_1_32 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_32 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=1, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=126, var_1_29=0, var_1_30=0, var_1_31=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_32 >= 0) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=1, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=126, var_1_29=0, var_1_30=0, var_1_31=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L161] CALL assume_abort_if_not(var_1_32 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=1, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=126, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_32 <= 1) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=1, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=126, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L162] var_1_33 = __VERIFIER_nondet_uchar() [L163] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=1, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=126, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=1, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=126, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L164] CALL assume_abort_if_not(var_1_33 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=1, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=126, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=126, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_33 <= 254) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=1, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=126, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=126, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L165] var_1_36 = __VERIFIER_nondet_double() [L166] CALL assume_abort_if_not((var_1_36 >= -922337.2036854765600e+13F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854765600e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=1, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=126, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=126, var_1_34=50, var_1_35=311/10, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not((var_1_36 >= -922337.2036854765600e+13F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854765600e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=1, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=126, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=126, var_1_34=50, var_1_35=311/10, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L167] var_1_39 = __VERIFIER_nondet_float() [L168] CALL assume_abort_if_not((var_1_39 >= -922337.2036854776000e+13F && var_1_39 <= -1.0e-20F) || (var_1_39 <= 9223372.036854776000e+12F && var_1_39 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=1, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=126, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=126, var_1_34=50, var_1_35=311/10, var_1_37=64, var_1_38=8, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not((var_1_39 >= -922337.2036854776000e+13F && var_1_39 <= -1.0e-20F) || (var_1_39 <= 9223372.036854776000e+12F && var_1_39 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=1, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=126, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=126, var_1_34=50, var_1_35=311/10, var_1_37=64, var_1_38=8, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L169] CALL assume_abort_if_not(var_1_39 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=1, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=126, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=126, var_1_34=50, var_1_35=311/10, var_1_37=64, var_1_38=8, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_39 != 0.0F) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=1, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=126, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=126, var_1_34=50, var_1_35=311/10, var_1_37=64, var_1_38=8, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L170] var_1_44 = __VERIFIER_nondet_double() [L171] CALL assume_abort_if_not((var_1_44 >= -922337.2036854765600e+13F && var_1_44 <= -1.0e-20F) || (var_1_44 <= 9223372.036854765600e+12F && var_1_44 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=1, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=126, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=126, var_1_34=50, var_1_35=311/10, var_1_37=64, var_1_38=8, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not((var_1_44 >= -922337.2036854765600e+13F && var_1_44 <= -1.0e-20F) || (var_1_44 <= 9223372.036854765600e+12F && var_1_44 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=1, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=126, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=126, var_1_34=50, var_1_35=311/10, var_1_37=64, var_1_38=8, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=1, var_1_8=0, var_1_9=1] [L186] RET updateVariables() [L187] CALL step() [L62] COND FALSE !((last_1_var_1_9 && var_1_11) && (50 > var_1_8)) [L69] var_1_12 = var_1_15 [L71] COND FALSE !(var_1_32 || var_1_31) [L74] unsigned char stepLocal_1 = var_1_10; [L75] COND FALSE !((var_1_12 != var_1_4) || stepLocal_1) [L78] COND FALSE !(var_1_31 && var_1_32) [L81] var_1_35 = var_1_36 [L82] var_1_26 = var_1_12 [L83] COND FALSE !((var_1_31 && var_1_32) && (var_1_30 > var_1_34)) [L86] EXPR var_1_42 | var_1_38 [L86] COND TRUE var_1_28 > (var_1_42 | var_1_38) [L87] var_1_43 = ((((var_1_36) > ((((((((var_1_44) < 0 ) ? -(var_1_44) : (var_1_44))) < 0 ) ? -((((var_1_44) < 0 ) ? -(var_1_44) : (var_1_44))) : ((((var_1_44) < 0 ) ? -(var_1_44) : (var_1_44))))))) ? (var_1_36) : ((((((((var_1_44) < 0 ) ? -(var_1_44) : (var_1_44))) < 0 ) ? -((((var_1_44) < 0 ) ? -(var_1_44) : (var_1_44))) : ((((var_1_44) < 0 ) ? -(var_1_44) : (var_1_44)))))))) [L89] COND FALSE !((var_1_9 && var_1_11) && var_1_9) [L92] var_1_21 = ((23370 - var_1_15) + var_1_12) [L94] var_1_27 = (((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28))) - var_1_29) [L95] COND TRUE (((((var_1_36 / var_1_39)) > (var_1_35)) ? ((var_1_36 / var_1_39)) : (var_1_35))) > 100.3 [L96] COND TRUE (var_1_33 - var_1_29) >= var_1_27 [L97] var_1_38 = ((((var_1_28) > (((((-5) < 0 ) ? -(-5) : (-5))))) ? (var_1_28) : (((((-5) < 0 ) ? -(-5) : (-5)))))) [L100] signed long int stepLocal_2 = -4; [L101] COND FALSE !(! (-4 < var_1_12)) [L104] COND FALSE !(stepLocal_2 > var_1_21) [L108] var_1_16 = (((((((((256) > (var_1_12)) ? (256) : (var_1_12))) + var_1_12)) < (var_1_15)) ? ((((((256) > (var_1_12)) ? (256) : (var_1_12))) + var_1_12)) : (var_1_15))) [L109] var_1_46 = var_1_33 [L110] var_1_25 = var_1_20 [L111] COND TRUE var_1_28 > var_1_30 [L112] COND FALSE !(var_1_29 >= var_1_27) [L116] unsigned short int stepLocal_0 = var_1_16; [L117] COND TRUE ((var_1_16 * var_1_16) / var_1_4) <= stepLocal_0 [L118] var_1_1 = var_1_12 [L122] COND TRUE var_1_27 > ((var_1_29 >> 1) + var_1_37) [L123] var_1_40 = (((((var_1_33) < 0 ) ? -(var_1_33) : (var_1_33))) + ((((var_1_29) < 0 ) ? -(var_1_29) : (var_1_29)))) [L125] var_1_47 = var_1_30 [L126] COND FALSE !((var_1_16 - ((((var_1_1) < 0 ) ? -(var_1_1) : (var_1_1)))) < (var_1_12 - var_1_16)) [L129] var_1_45 = var_1_28 [L187] RET step() [L188] CALL, EXPR property() [L178-L179] return (((((((((((var_1_16 * var_1_16) / var_1_4) <= var_1_16) ? (var_1_1 == ((unsigned short int) var_1_12)) : (var_1_1 == ((unsigned short int) (var_1_12 + var_1_12)))) && (((var_1_12 != var_1_4) || var_1_10) ? (var_1_9 == ((unsigned char) var_1_11)) : 1)) && (((last_1_var_1_9 && var_1_11) && (50 > var_1_8)) ? (((- last_1_var_1_24) < last_1_var_1_24) ? (last_1_var_1_9 ? (var_1_12 == ((unsigned char) 5)) : 1) : 1) : (var_1_12 == ((unsigned char) var_1_15)))) && (var_1_16 == ((unsigned short int) (((((((((256) > (var_1_12)) ? (256) : (var_1_12))) + var_1_12)) < (var_1_15)) ? ((((((256) > (var_1_12)) ? (256) : (var_1_12))) + var_1_12)) : (var_1_15)))))) && (((var_1_16 - ((((var_1_1) < 0 ) ? -(var_1_1) : (var_1_1)))) < (var_1_12 - var_1_16)) ? (var_1_17 == ((float) var_1_20)) : 1)) && (((var_1_9 && var_1_11) && var_1_9) ? (var_1_21 == ((unsigned short int) (var_1_26 + (var_1_15 + ((((var_1_12) > (var_1_12)) ? (var_1_12) : (var_1_12))))))) : (var_1_21 == ((unsigned short int) ((23370 - var_1_15) + var_1_12))))) && ((! (-4 < var_1_12)) ? (var_1_24 == ((float) var_1_20)) : ((-4 > var_1_21) ? (var_1_24 == ((float) 10.6f)) : 1))) && (var_1_25 == ((double) var_1_20))) && (var_1_26 == ((signed long int) var_1_12)) ; [L188] RET, EXPR property() [L188] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=1, var_1_15=1, var_1_16=1, var_1_17=127/5, var_1_1=1, var_1_20=2, var_1_21=23370, var_1_24=257/2, var_1_25=2, var_1_26=1, var_1_27=126, var_1_28=126, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=126, var_1_34=50, var_1_35=3, var_1_36=3, var_1_37=64, var_1_38=126, var_1_40=126, var_1_42=-4, var_1_43=3, var_1_44=0, var_1_45=126, var_1_46=126, var_1_47=0, var_1_4=1, var_1_8=0, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=1, var_1_15=1, var_1_16=1, var_1_17=127/5, var_1_1=1, var_1_20=2, var_1_21=23370, var_1_24=257/2, var_1_25=2, var_1_26=1, var_1_27=126, var_1_28=126, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=126, var_1_34=50, var_1_35=3, var_1_36=3, var_1_37=64, var_1_38=126, var_1_40=126, var_1_42=-4, var_1_43=3, var_1_44=0, var_1_45=126, var_1_46=126, var_1_47=0, var_1_4=1, var_1_8=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, 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=49occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 13:12:04,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/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_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-40.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/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_445ef7bf-0473-4d02-a36b-1129912efcdf/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 c582d19db83cd7211158e81ede71093cb65293c4fbd970a89ad34dd4e53252c2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:12:06,069 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:12:06,147 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 13:12:06,153 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:12:06,154 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:12:06,182 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:12:06,183 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:12:06,184 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:12:06,185 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:12:06,185 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:12:06,186 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:12:06,186 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:12:06,187 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:12:06,187 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:12:06,188 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:12:06,188 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:12:06,189 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:12:06,190 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:12:06,190 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:12:06,191 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:12:06,191 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:12:06,192 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:12:06,192 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:12:06,193 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:12:06,193 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 13:12:06,194 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 13:12:06,194 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 13:12:06,195 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:12:06,195 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:12:06,195 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:12:06,196 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:12:06,196 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 13:12:06,197 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:12:06,197 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:12:06,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:12:06,197 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:12:06,198 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:12:06,198 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:12:06,198 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 13:12:06,198 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 13:12:06,198 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:12:06,199 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:12:06,199 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:12:06,199 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:12:06,199 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_445ef7bf-0473-4d02-a36b-1129912efcdf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c582d19db83cd7211158e81ede71093cb65293c4fbd970a89ad34dd4e53252c2 [2023-12-02 13:12:06,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:12:06,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:12:06,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:12:06,517 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:12:06,517 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:12:06,518 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-40.i [2023-12-02 13:12:09,264 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:12:09,478 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:12:09,479 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-40.i [2023-12-02 13:12:09,489 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/data/bb63d24e3/177fda674ebc46dc8f54ef3817701745/FLAGb2efad3af [2023-12-02 13:12:09,504 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/data/bb63d24e3/177fda674ebc46dc8f54ef3817701745 [2023-12-02 13:12:09,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:12:09,508 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:12:09,509 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:12:09,509 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:12:09,513 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:12:09,513 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:12:09" (1/1) ... [2023-12-02 13:12:09,514 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@799db09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:09, skipping insertion in model container [2023-12-02 13:12:09,514 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:12:09" (1/1) ... [2023-12-02 13:12:09,549 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:12:09,705 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_445ef7bf-0473-4d02-a36b-1129912efcdf/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-40.i[919,932] [2023-12-02 13:12:09,774 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:12:09,791 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:12:09,805 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_445ef7bf-0473-4d02-a36b-1129912efcdf/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-40.i[919,932] [2023-12-02 13:12:09,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:12:09,860 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:12:09,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:09 WrapperNode [2023-12-02 13:12:09,861 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:12:09,862 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:12:09,862 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:12:09,862 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:12:09,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:09" (1/1) ... [2023-12-02 13:12:09,885 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:09" (1/1) ... [2023-12-02 13:12:09,916 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 187 [2023-12-02 13:12:09,916 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:12:09,917 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:12:09,917 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:12:09,917 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:12:09,927 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:09" (1/1) ... [2023-12-02 13:12:09,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:09" (1/1) ... [2023-12-02 13:12:09,932 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:09" (1/1) ... [2023-12-02 13:12:09,933 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:09" (1/1) ... [2023-12-02 13:12:09,946 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:09" (1/1) ... [2023-12-02 13:12:09,951 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:09" (1/1) ... [2023-12-02 13:12:09,955 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:09" (1/1) ... [2023-12-02 13:12:09,957 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:09" (1/1) ... [2023-12-02 13:12:09,963 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:12:09,964 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:12:09,964 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:12:09,964 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:12:09,965 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:09" (1/1) ... [2023-12-02 13:12:09,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:12:09,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:12:09,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:12:10,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:12:10,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:12:10,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 13:12:10,041 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:12:10,052 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:12:10,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:12:10,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:12:10,158 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:12:10,160 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:12:15,358 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:12:15,420 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:12:15,420 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:12:15,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:12:15 BoogieIcfgContainer [2023-12-02 13:12:15,421 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:12:15,424 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:12:15,424 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:12:15,427 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:12:15,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:12:09" (1/3) ... [2023-12-02 13:12:15,428 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb8864d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:12:15, skipping insertion in model container [2023-12-02 13:12:15,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:09" (2/3) ... [2023-12-02 13:12:15,429 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb8864d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:12:15, skipping insertion in model container [2023-12-02 13:12:15,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:12:15" (3/3) ... [2023-12-02 13:12:15,431 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-cn_file-40.i [2023-12-02 13:12:15,449 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:12:15,450 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:12:15,499 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:12:15,506 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;@1c7775d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:12:15,506 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:12:15,511 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 49 states have (on average 1.469387755102041) internal successors, (72), 50 states have internal predecessors, (72), 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 13:12:15,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-12-02 13:12:15,528 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:12:15,529 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, 1, 1] [2023-12-02 13:12:15,529 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:12:15,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:12:15,535 INFO L85 PathProgramCache]: Analyzing trace with hash 59287528, now seen corresponding path program 1 times [2023-12-02 13:12:15,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:12:15,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1803821046] [2023-12-02 13:12:15,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:12:15,550 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:12:15,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:12:15,551 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:12:15,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 13:12:16,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:12:16,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 13:12:16,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:12:16,616 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 13:12:16,616 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:12:16,617 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:12:16,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1803821046] [2023-12-02 13:12:16,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1803821046] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:12:16,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:12:16,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 13:12:16,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327451218] [2023-12-02 13:12:16,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:12:16,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 13:12:16,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:12:16,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 13:12:16,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 13:12:16,657 INFO L87 Difference]: Start difference. First operand has 78 states, 49 states have (on average 1.469387755102041) internal successors, (72), 50 states have internal predecessors, (72), 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 23.0) internal successors, (46), 2 states have internal predecessors, (46), 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 13:12:17,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:12:17,195 INFO L93 Difference]: Finished difference Result 153 states and 272 transitions. [2023-12-02 13:12:17,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 13:12:17,205 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 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 169 [2023-12-02 13:12:17,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:12:17,212 INFO L225 Difference]: With dead ends: 153 [2023-12-02 13:12:17,212 INFO L226 Difference]: Without dead ends: 76 [2023-12-02 13:12:17,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 13:12:17,218 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-02 13:12:17,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-02 13:12:17,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-12-02 13:12:17,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2023-12-02 13:12:17,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 48 states have (on average 1.375) internal successors, (66), 48 states have internal predecessors, (66), 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 13:12:17,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 118 transitions. [2023-12-02 13:12:17,261 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 118 transitions. Word has length 169 [2023-12-02 13:12:17,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:12:17,262 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 118 transitions. [2023-12-02 13:12:17,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 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 13:12:17,263 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2023-12-02 13:12:17,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-12-02 13:12:17,267 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:12:17,268 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, 1, 1, 1] [2023-12-02 13:12:17,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 13:12:17,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:12:17,473 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:12:17,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:12:17,474 INFO L85 PathProgramCache]: Analyzing trace with hash 844151894, now seen corresponding path program 1 times [2023-12-02 13:12:17,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:12:17,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [467019177] [2023-12-02 13:12:17,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:12:17,475 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:12:17,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:12:17,476 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:12:17,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 13:12:18,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:12:18,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 13:12:18,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:12:19,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 585 proven. 51 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2023-12-02 13:12:19,633 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:12:20,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 24 proven. 51 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-12-02 13:12:20,340 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:12:20,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [467019177] [2023-12-02 13:12:20,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [467019177] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:12:20,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1323957561] [2023-12-02 13:12:20,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:12:20,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 13:12:20,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 13:12:20,369 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 13:12:20,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 13:12:22,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:12:22,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 13:12:22,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:12:22,549 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 13:12:22,549 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:12:22,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1323957561] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:12:22,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 13:12:22,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 6] total 9 [2023-12-02 13:12:22,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737585934] [2023-12-02 13:12:22,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:12:22,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:12:22,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:12:22,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:12:22,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-02 13:12:22,553 INFO L87 Difference]: Start difference. First operand 76 states and 118 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 13:12:22,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:12:22,909 INFO L93 Difference]: Finished difference Result 151 states and 235 transitions. [2023-12-02 13:12:22,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:12:22,920 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 170 [2023-12-02 13:12:22,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:12:22,923 INFO L225 Difference]: With dead ends: 151 [2023-12-02 13:12:22,923 INFO L226 Difference]: Without dead ends: 76 [2023-12-02 13:12:22,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 499 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-02 13:12:22,925 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 14 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:12:22,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 210 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 13:12:22,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-12-02 13:12:22,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2023-12-02 13:12:22,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 48 states have (on average 1.3541666666666667) internal successors, (65), 48 states have internal predecessors, (65), 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 13:12:22,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 117 transitions. [2023-12-02 13:12:22,935 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 117 transitions. Word has length 170 [2023-12-02 13:12:22,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:12:22,937 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 117 transitions. [2023-12-02 13:12:22,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 13:12:22,937 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 117 transitions. [2023-12-02 13:12:22,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-12-02 13:12:22,939 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:12:22,939 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, 1, 1, 1] [2023-12-02 13:12:22,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 13:12:23,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-02 13:12:23,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 13:12:23,341 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:12:23,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:12:23,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1545216472, now seen corresponding path program 1 times [2023-12-02 13:12:23,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:12:23,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1420705875] [2023-12-02 13:12:23,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:12:23,342 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:12:23,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:12:23,343 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:12:23,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-02 13:12:24,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:12:24,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 13:12:24,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:12:25,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 585 proven. 51 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2023-12-02 13:12:25,305 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:12:25,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 24 proven. 51 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-12-02 13:12:25,979 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:12:25,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1420705875] [2023-12-02 13:12:25,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1420705875] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:12:25,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [950144250] [2023-12-02 13:12:25,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:12:25,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 13:12:25,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 13:12:25,981 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 13:12:25,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 13:12:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:12:28,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 13:12:28,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:12:29,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 585 proven. 51 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2023-12-02 13:12:29,419 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:12:29,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 24 proven. 51 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-12-02 13:12:29,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [950144250] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:12:29,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680196837] [2023-12-02 13:12:29,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:12:29,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:12:29,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:12:29,963 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:12:29,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-02 13:12:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:12:31,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 13:12:31,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:12:32,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 585 proven. 51 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2023-12-02 13:12:32,048 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:12:32,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 24 proven. 51 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-12-02 13:12:32,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [680196837] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:12:32,581 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 13:12:32,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 5, 5, 6, 6] total 8 [2023-12-02 13:12:32,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679699542] [2023-12-02 13:12:32,582 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 13:12:32,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 13:12:32,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:12:32,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 13:12:32,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-02 13:12:32,585 INFO L87 Difference]: Start difference. First operand 76 states and 117 transitions. Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 2 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-12-02 13:12:35,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:12:35,238 INFO L93 Difference]: Finished difference Result 238 states and 355 transitions. [2023-12-02 13:12:35,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 13:12:35,239 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 2 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 170 [2023-12-02 13:12:35,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:12:35,242 INFO L225 Difference]: With dead ends: 238 [2023-12-02 13:12:35,243 INFO L226 Difference]: Without dead ends: 163 [2023-12-02 13:12:35,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1026 GetRequests, 1006 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2023-12-02 13:12:35,245 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 207 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:12:35,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 333 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 13:12:35,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2023-12-02 13:12:35,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 78. [2023-12-02 13:12:35,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 49 states have (on average 1.2653061224489797) internal successors, (62), 49 states have internal predecessors, (62), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-02 13:12:35,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 114 transitions. [2023-12-02 13:12:35,265 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 114 transitions. Word has length 170 [2023-12-02 13:12:35,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:12:35,266 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 114 transitions. [2023-12-02 13:12:35,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 2 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-12-02 13:12:35,267 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 114 transitions. [2023-12-02 13:12:35,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-12-02 13:12:35,270 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:12:35,270 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, 1, 1, 1] [2023-12-02 13:12:35,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-02 13:12:35,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 13:12:35,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-12-02 13:12:35,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:12:35,873 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:12:35,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:12:35,873 INFO L85 PathProgramCache]: Analyzing trace with hash 524148118, now seen corresponding path program 1 times [2023-12-02 13:12:35,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:12:35,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [514473797] [2023-12-02 13:12:35,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:12:35,874 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:12:35,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:12:35,875 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:12:35,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-02 13:12:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:12:36,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 13:12:36,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:12:37,143 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 13:12:37,143 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:12:37,143 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:12:37,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [514473797] [2023-12-02 13:12:37,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [514473797] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:12:37,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:12:37,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:12:37,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125546292] [2023-12-02 13:12:37,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:12:37,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:12:37,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:12:37,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:12:37,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:12:37,146 INFO L87 Difference]: Start difference. First operand 78 states and 114 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 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 13:12:39,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:12:39,262 INFO L93 Difference]: Finished difference Result 271 states and 391 transitions. [2023-12-02 13:12:39,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 13:12:39,264 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 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 170 [2023-12-02 13:12:39,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:12:39,268 INFO L225 Difference]: With dead ends: 271 [2023-12-02 13:12:39,268 INFO L226 Difference]: Without dead ends: 194 [2023-12-02 13:12:39,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-02 13:12:39,271 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 208 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:12:39,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 359 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-02 13:12:39,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2023-12-02 13:12:39,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 133. [2023-12-02 13:12:39,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 75 states have (on average 1.1866666666666668) internal successors, (89), 76 states have internal predecessors, (89), 52 states have call successors, (52), 5 states have call predecessors, (52), 5 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-02 13:12:39,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 193 transitions. [2023-12-02 13:12:39,310 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 193 transitions. Word has length 170 [2023-12-02 13:12:39,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:12:39,310 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 193 transitions. [2023-12-02 13:12:39,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 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 13:12:39,311 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 193 transitions. [2023-12-02 13:12:39,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-12-02 13:12:39,313 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:12:39,313 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, 1, 1, 1] [2023-12-02 13:12:39,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2023-12-02 13:12:39,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:12:39,521 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:12:39,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:12:39,521 INFO L85 PathProgramCache]: Analyzing trace with hash 524207700, now seen corresponding path program 1 times [2023-12-02 13:12:39,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:12:39,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [363337780] [2023-12-02 13:12:39,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:12:39,522 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:12:39,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:12:39,523 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:12:39,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445ef7bf-0473-4d02-a36b-1129912efcdf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-12-02 13:12:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:12:40,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 13:12:40,488 INFO L285 TraceCheckSpWp]: Computing forward predicates...