./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-82.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-82.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire --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 b682818ded8358b1bca674d004d15ad87c0a76320ae14e4d9a84e7d94fb0908d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:11:30,337 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:11:30,416 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:11:30,420 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:11:30,421 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:11:30,446 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:11:30,446 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:11:30,447 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:11:30,448 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:11:30,448 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:11:30,449 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:11:30,449 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:11:30,450 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:11:30,450 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:11:30,451 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:11:30,451 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:11:30,452 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:11:30,453 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:11:30,453 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:11:30,454 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:11:30,454 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:11:30,455 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:11:30,456 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:11:30,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:11:30,457 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:11:30,457 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:11:30,458 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:11:30,458 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:11:30,459 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:11:30,459 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:11:30,460 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:11:30,460 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:11:30,460 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:11:30,461 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:11:30,461 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:11:30,462 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:11:30,462 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:11:30,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:30,463 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:11:30,463 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:11:30,464 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:11:30,464 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:11:30,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:11:30,465 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:11:30,465 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:11:30,466 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:11:30,466 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:11:30,466 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_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b682818ded8358b1bca674d004d15ad87c0a76320ae14e4d9a84e7d94fb0908d [2023-11-23 21:11:30,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:11:30,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:11:30,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:11:30,761 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:11:30,762 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:11:30,763 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-82.i [2023-11-23 21:11:34,015 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:11:34,251 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:11:34,252 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-82.i [2023-11-23 21:11:34,263 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/data/b4b0b4e6e/2d34d5ad4af141cea6c2595b094b1cfb/FLAG4f2cb3a92 [2023-11-23 21:11:34,279 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/data/b4b0b4e6e/2d34d5ad4af141cea6c2595b094b1cfb [2023-11-23 21:11:34,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:11:34,284 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:11:34,286 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:34,286 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:11:34,292 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:11:34,293 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:34" (1/1) ... [2023-11-23 21:11:34,294 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411a13ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:34, skipping insertion in model container [2023-11-23 21:11:34,294 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:34" (1/1) ... [2023-11-23 21:11:34,335 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:11:34,521 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_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-82.i[919,932] [2023-11-23 21:11:34,607 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:34,621 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:11:34,636 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_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-82.i[919,932] [2023-11-23 21:11:34,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:34,701 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:11:34,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:34 WrapperNode [2023-11-23 21:11:34,702 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:34,703 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:34,703 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:11:34,703 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:11:34,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:34" (1/1) ... [2023-11-23 21:11:34,724 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:34" (1/1) ... [2023-11-23 21:11:34,788 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 209 [2023-11-23 21:11:34,789 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:34,789 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:11:34,790 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:11:34,790 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:11:34,802 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:34" (1/1) ... [2023-11-23 21:11:34,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:34" (1/1) ... [2023-11-23 21:11:34,809 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:34" (1/1) ... [2023-11-23 21:11:34,810 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:34" (1/1) ... [2023-11-23 21:11:34,821 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:34" (1/1) ... [2023-11-23 21:11:34,826 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:34" (1/1) ... [2023-11-23 21:11:34,848 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:34" (1/1) ... [2023-11-23 21:11:34,850 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:34" (1/1) ... [2023-11-23 21:11:34,855 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:11:34,856 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:11:34,856 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:11:34,856 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:11:34,857 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:34" (1/1) ... [2023-11-23 21:11:34,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:34,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:11:34,906 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:11:34,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:11:34,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:11:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:11:34,959 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:11:34,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:11:34,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:11:34,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:11:35,104 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:11:35,107 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:11:35,604 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:11:36,031 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:11:36,031 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:11:36,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:36 BoogieIcfgContainer [2023-11-23 21:11:36,034 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:11:36,038 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:11:36,039 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:11:36,043 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:11:36,043 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:11:34" (1/3) ... [2023-11-23 21:11:36,044 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7df30da9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:36, skipping insertion in model container [2023-11-23 21:11:36,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:34" (2/3) ... [2023-11-23 21:11:36,046 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7df30da9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:36, skipping insertion in model container [2023-11-23 21:11:36,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:36" (3/3) ... [2023-11-23 21:11:36,048 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-82.i [2023-11-23 21:11:36,069 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:11:36,069 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:11:36,132 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:11:36,139 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;@7f3f890, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:11:36,139 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:11:36,144 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-23 21:11:36,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-23 21:11:36,158 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:36,159 INFO L195 NwaCegarLoop]: trace histogram [27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:11:36,160 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:11:36,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:36,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1307575407, now seen corresponding path program 1 times [2023-11-23 21:11:36,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:11:36,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155830858] [2023-11-23 21:11:36,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:36,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:11:36,373 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:11:36,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1253033374] [2023-11-23 21:11:36,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:36,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:11:36,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:11:36,390 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:11:36,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:11:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:11:36,828 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:11:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:11:37,012 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:11:37,015 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:11:37,017 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:11:37,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:11:37,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:11:37,242 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:11:37,246 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:11:37,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:11:37 BoogieIcfgContainer [2023-11-23 21:11:37,422 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:11:37,423 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:11:37,423 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:11:37,423 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:11:37,424 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:36" (3/4) ... [2023-11-23 21:11:37,426 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:11:37,427 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:11:37,428 INFO L158 Benchmark]: Toolchain (without parser) took 3143.63ms. Allocated memory is still 138.4MB. Free memory was 95.6MB in the beginning and 100.4MB in the end (delta: -4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:11:37,428 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:11:37,429 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.58ms. Allocated memory is still 138.4MB. Free memory was 95.6MB in the beginning and 80.4MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:11:37,430 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.63ms. Allocated memory is still 138.4MB. Free memory was 80.4MB in the beginning and 77.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:11:37,430 INFO L158 Benchmark]: Boogie Preprocessor took 65.78ms. Allocated memory is still 138.4MB. Free memory was 77.7MB in the beginning and 75.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:11:37,431 INFO L158 Benchmark]: RCFGBuilder took 1177.73ms. Allocated memory is still 138.4MB. Free memory was 75.6MB in the beginning and 95.5MB in the end (delta: -19.9MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2023-11-23 21:11:37,432 INFO L158 Benchmark]: TraceAbstraction took 1384.21ms. Allocated memory is still 138.4MB. Free memory was 94.9MB in the beginning and 100.4MB in the end (delta: -5.5MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2023-11-23 21:11:37,432 INFO L158 Benchmark]: Witness Printer took 3.62ms. Allocated memory is still 138.4MB. Free memory is still 100.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:11:37,436 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 416.58ms. Allocated memory is still 138.4MB. Free memory was 95.6MB in the beginning and 80.4MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.63ms. Allocated memory is still 138.4MB. Free memory was 80.4MB in the beginning and 77.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.78ms. Allocated memory is still 138.4MB. Free memory was 77.7MB in the beginning and 75.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1177.73ms. Allocated memory is still 138.4MB. Free memory was 75.6MB in the beginning and 95.5MB in the end (delta: -19.9MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1384.21ms. Allocated memory is still 138.4MB. Free memory was 94.9MB in the beginning and 100.4MB in the end (delta: -5.5MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. * Witness Printer took 3.62ms. Allocated memory is still 138.4MB. Free memory is still 100.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 123, overapproximation of bitwiseOr at line 104, overapproximation of someBinaryArithmeticDOUBLEoperation at line 60, overapproximation of someBinaryDOUBLEComparisonOperation at line 61, overapproximation of someUnaryFLOAToperation at line 123. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 10.8; [L23] double var_1_4 = 5.5; [L24] float var_1_5 = 49.2; [L25] double var_1_7 = 49.5; [L26] double var_1_8 = 999999999999.4; [L27] double var_1_9 = 255.3; [L28] unsigned char var_1_10 = 1; [L29] unsigned char var_1_11 = 0; [L30] unsigned char var_1_13 = 1; [L31] signed long int var_1_14 = -16; [L32] signed long int var_1_15 = 25; [L33] signed long int var_1_16 = -8; [L34] signed long int var_1_17 = 1000000000; [L35] signed long int var_1_18 = 256; [L36] signed long int var_1_19 = 25; [L37] signed long int var_1_20 = 4; [L38] unsigned char var_1_21 = 1; [L39] unsigned char var_1_22 = 0; [L40] signed long int var_1_23 = 50; [L41] double var_1_24 = 1000000000.5; [L42] double var_1_25 = 2.95; [L43] unsigned char var_1_26 = 10; [L44] unsigned char var_1_27 = 10; [L45] float var_1_28 = 15.5; [L46] unsigned long int var_1_30 = 10; [L47] double var_1_36 = 63.2; [L48] signed long int var_1_37 = 16; [L49] float var_1_38 = 128.5; [L50] float var_1_39 = 0.19999999999999996; [L51] double var_1_40 = 255.8; [L52] unsigned long int var_1_41 = 10; [L53] double last_1_var_1_7 = 49.5; [L54] signed long int last_1_var_1_14 = -16; [L55] signed long int last_1_var_1_23 = 50; [L192] isInitial = 1 [L193] FCALL initially() [L194] COND TRUE 1 [L195] CALL updateLastVariables() [L183] last_1_var_1_7 = var_1_7 [L184] last_1_var_1_14 = var_1_14 [L185] last_1_var_1_23 = var_1_23 [L195] RET updateLastVariables() [L196] CALL updateVariables() [L138] var_1_4 = __VERIFIER_nondet_double() [L139] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_5=246/5, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_5=246/5, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L140] var_1_5 = __VERIFIER_nondet_float() [L141] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L142] var_1_8 = __VERIFIER_nondet_double() [L143] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2, var_1_9=2553/10] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2, var_1_9=2553/10] [L144] var_1_9 = __VERIFIER_nondet_double() [L145] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L146] var_1_11 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L148] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L149] var_1_13 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L151] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L152] var_1_15 = __VERIFIER_nondet_long() [L153] CALL assume_abort_if_not(var_1_15 >= -1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_15 >= -1073741823) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L154] CALL assume_abort_if_not(var_1_15 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_15 <= 1073741823) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L155] var_1_17 = __VERIFIER_nondet_long() [L156] CALL assume_abort_if_not(var_1_17 >= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=536870911, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_17 >= 536870911) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=536870911, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L157] CALL assume_abort_if_not(var_1_17 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=536870911, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_17 <= 1073741823) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=536870911, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L158] var_1_18 = __VERIFIER_nondet_long() [L159] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L160] CALL assume_abort_if_not(var_1_18 <= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_18 <= 536870911) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L161] var_1_19 = __VERIFIER_nondet_long() [L162] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L163] CALL assume_abort_if_not(var_1_19 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_19 <= 1073741823) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L164] var_1_20 = __VERIFIER_nondet_long() [L165] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=356, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=356, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L166] CALL assume_abort_if_not(var_1_20 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=356, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_20 <= 1073741823) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=356, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L167] var_1_22 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_22 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=356, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_22 >= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=356, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L169] CALL assume_abort_if_not(var_1_22 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=356, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_22 <= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=356, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L170] var_1_25 = __VERIFIER_nondet_double() [L171] CALL assume_abort_if_not((var_1_25 >= -922337.2036854765600e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=356, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not((var_1_25 >= -922337.2036854765600e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=356, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L172] var_1_27 = __VERIFIER_nondet_uchar() [L173] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=356, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=356, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L174] CALL assume_abort_if_not(var_1_27 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=356, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_27 <= 254) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=356, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L175] var_1_30 = __VERIFIER_nondet_ulong() [L176] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=356, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=356, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L177] CALL assume_abort_if_not(var_1_30 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=356, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_30 <= 4294967295) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=356, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L178] CALL assume_abort_if_not(var_1_30 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=356, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_30 != 0) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=356, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_39=4999999999999999/25000000000000000, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L179] var_1_39 = __VERIFIER_nondet_float() [L180] CALL assume_abort_if_not((var_1_39 >= 0.0F && var_1_39 <= -1.0e-20F) || (var_1_39 <= 9223372.036854765600e+12F && var_1_39 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=356, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not((var_1_39 >= 0.0F && var_1_39 <= -1.0e-20F) || (var_1_39 <= 9223372.036854765600e+12F && var_1_39 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-8, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=356, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_30=10, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L196] RET updateVariables() [L197] CALL step() [L59] var_1_23 = last_1_var_1_14 [L60] var_1_7 = (var_1_4 - (var_1_8 + var_1_9)) [L61] COND TRUE var_1_8 <= (((((var_1_5 * 1.25)) > ((last_1_var_1_7 * var_1_9))) ? ((var_1_5 * 1.25)) : ((last_1_var_1_7 * var_1_9)))) [L62] var_1_16 = ((((((last_1_var_1_23) < 0 ) ? -(last_1_var_1_23) : (last_1_var_1_23))) + last_1_var_1_23) + ((var_1_17 - var_1_18) - ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20))))) [L68] signed long int stepLocal_0 = var_1_23; [L69] COND FALSE !(stepLocal_0 == var_1_16) [L72] COND FALSE !((var_1_4 - var_1_5) > var_1_7) [L75] var_1_1 = var_1_4 [L78] signed long int stepLocal_1 = (50 / -10) + var_1_23; [L79] COND TRUE stepLocal_1 >= var_1_16 [L80] COND TRUE \read(var_1_13) [L81] var_1_21 = (var_1_11 && var_1_22) [L88] var_1_10 = (var_1_11 && (var_1_21 || var_1_13)) [L89] COND TRUE var_1_8 <= ((((var_1_4) > ((var_1_1 + var_1_5))) ? (var_1_4) : ((var_1_1 + var_1_5)))) [L90] COND TRUE \read(var_1_10) [L91] var_1_14 = (var_1_15 + (8 + var_1_16)) [L98] var_1_24 = var_1_25 [L99] COND TRUE var_1_25 <= var_1_7 [L100] var_1_26 = ((((var_1_27) < (((((128) < 0 ) ? -(128) : (128))))) ? (var_1_27) : (((((128) < 0 ) ? -(128) : (128)))))) [L102] COND TRUE \read(var_1_10) [L103] COND FALSE !(((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25))) <= var_1_7) [L110] var_1_28 = var_1_25 [L113] var_1_36 = 63.5 [L114] COND FALSE !(var_1_27 != var_1_30) [L117] var_1_37 = (((((((var_1_16) > (var_1_27)) ? (var_1_16) : (var_1_27))) < 0 ) ? -((((var_1_16) > (var_1_27)) ? (var_1_16) : (var_1_27))) : ((((var_1_16) > (var_1_27)) ? (var_1_16) : (var_1_27))))) [L119] COND FALSE !((var_1_1 * var_1_7) != var_1_25) [L122] COND TRUE \read(var_1_10) [L123] var_1_40 = ((((var_1_39) < 0 ) ? -(var_1_39) : (var_1_39))) [L127] COND FALSE !(var_1_1 != ((((var_1_1) < 0 ) ? -(var_1_1) : (var_1_1)))) [L197] RET step() [L198] CALL, EXPR property() [L188-L189] return (((((((var_1_23 == var_1_16) ? (var_1_1 == ((double) (var_1_4 - 4.531))) : (((var_1_4 - var_1_5) > var_1_7) ? (var_1_1 == ((double) var_1_4)) : (var_1_1 == ((double) var_1_4)))) && (var_1_7 == ((double) (var_1_4 - (var_1_8 + var_1_9))))) && (var_1_10 == ((unsigned char) (var_1_11 && (var_1_21 || var_1_13))))) && ((var_1_8 <= ((((var_1_4) > ((var_1_1 + var_1_5))) ? (var_1_4) : ((var_1_1 + var_1_5))))) ? (var_1_10 ? (var_1_14 == ((signed long int) (var_1_15 + (8 + var_1_16)))) : (var_1_14 == ((signed long int) -256))) : (var_1_14 == ((signed long int) var_1_16)))) && ((var_1_8 <= (((((var_1_5 * 1.25)) > ((last_1_var_1_7 * var_1_9))) ? ((var_1_5 * 1.25)) : ((last_1_var_1_7 * var_1_9))))) ? (var_1_16 == ((signed long int) ((((((last_1_var_1_23) < 0 ) ? -(last_1_var_1_23) : (last_1_var_1_23))) + last_1_var_1_23) + ((var_1_17 - var_1_18) - ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20))))))) : ((var_1_4 <= last_1_var_1_7) ? (var_1_16 == ((signed long int) var_1_17)) : 1))) && ((((50 / -10) + var_1_23) >= var_1_16) ? (var_1_13 ? (var_1_21 == ((unsigned char) (var_1_11 && var_1_22))) : (var_1_21 == ((unsigned char) var_1_11))) : (var_1_21 == ((unsigned char) var_1_11)))) && (var_1_23 == ((signed long int) last_1_var_1_14)) ; [L198] RET, EXPR property() [L198] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-256, var_1_15=-8, var_1_16=-256, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=2, var_1_20=356, var_1_21=1, var_1_22=1, var_1_23=-16, var_1_24=3, var_1_25=3, var_1_26=10, var_1_27=10, var_1_28=3, var_1_30=10, var_1_36=127/2, var_1_37=10, var_1_38=257/2, var_1_39=0, var_1_40=4, var_1_41=10, var_1_4=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-256, var_1_15=-8, var_1_16=-256, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=2, var_1_20=356, var_1_21=1, var_1_22=1, var_1_23=-16, var_1_24=3, var_1_25=3, var_1_26=10, var_1_27=10, var_1_28=3, var_1_30=10, var_1_36=127/2, var_1_37=10, var_1_38=257/2, var_1_39=0, var_1_40=4, var_1_41=10, var_1_4=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 27, 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=52occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:11:37,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-82.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire --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 b682818ded8358b1bca674d004d15ad87c0a76320ae14e4d9a84e7d94fb0908d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:11:40,343 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:11:40,476 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:11:40,486 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:11:40,487 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:11:40,530 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:11:40,531 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:11:40,532 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:11:40,533 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:11:40,538 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:11:40,539 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:11:40,539 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:11:40,540 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:11:40,541 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:11:40,542 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:11:40,542 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:11:40,543 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:11:40,544 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:11:40,544 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:11:40,545 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:11:40,545 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:11:40,546 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:11:40,546 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:11:40,547 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:11:40,547 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:11:40,547 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:11:40,548 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:11:40,548 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:11:40,549 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:11:40,549 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:11:40,551 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:11:40,551 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:11:40,551 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:11:40,552 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:11:40,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:40,552 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:11:40,552 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:11:40,553 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:11:40,553 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:11:40,554 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:11:40,554 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:11:40,555 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:11:40,555 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:11:40,555 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:11:40,556 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_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b682818ded8358b1bca674d004d15ad87c0a76320ae14e4d9a84e7d94fb0908d [2023-11-23 21:11:40,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:11:40,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:11:40,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:11:41,000 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:11:41,001 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:11:41,002 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-82.i [2023-11-23 21:11:44,115 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:11:44,423 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:11:44,424 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-82.i [2023-11-23 21:11:44,436 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/data/7540c6735/f3ac28408190497d9b73a3bc4297c07d/FLAG24c4f18c8 [2023-11-23 21:11:44,456 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/data/7540c6735/f3ac28408190497d9b73a3bc4297c07d [2023-11-23 21:11:44,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:11:44,462 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:11:44,464 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:44,464 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:11:44,471 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:11:44,472 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:44" (1/1) ... [2023-11-23 21:11:44,473 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@779e65df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:44, skipping insertion in model container [2023-11-23 21:11:44,474 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:44" (1/1) ... [2023-11-23 21:11:44,523 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:11:44,711 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_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-82.i[919,932] [2023-11-23 21:11:44,818 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:44,850 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:11:44,870 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_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-82.i[919,932] [2023-11-23 21:11:44,956 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:44,992 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:11:44,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:44 WrapperNode [2023-11-23 21:11:44,993 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:44,994 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:44,995 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:11:44,995 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:11:45,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:44" (1/1) ... [2023-11-23 21:11:45,040 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:44" (1/1) ... [2023-11-23 21:11:45,096 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 193 [2023-11-23 21:11:45,099 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:45,100 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:11:45,101 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:11:45,102 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:11:45,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:44" (1/1) ... [2023-11-23 21:11:45,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:44" (1/1) ... [2023-11-23 21:11:45,129 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:44" (1/1) ... [2023-11-23 21:11:45,132 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:44" (1/1) ... [2023-11-23 21:11:45,171 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:44" (1/1) ... [2023-11-23 21:11:45,177 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:44" (1/1) ... [2023-11-23 21:11:45,186 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:44" (1/1) ... [2023-11-23 21:11:45,192 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:44" (1/1) ... [2023-11-23 21:11:45,198 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:11:45,206 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:11:45,206 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:11:45,206 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:11:45,207 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:44" (1/1) ... [2023-11-23 21:11:45,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:45,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:11:45,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:11:45,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:11:45,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:11:45,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:11:45,301 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:11:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:11:45,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:11:45,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:11:45,491 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:11:45,494 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:12:02,257 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:12:02,336 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:12:02,336 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:12:02,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:02 BoogieIcfgContainer [2023-11-23 21:12:02,337 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:12:02,341 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:12:02,341 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:12:02,352 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:12:02,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:11:44" (1/3) ... [2023-11-23 21:12:02,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f0eb5f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:02, skipping insertion in model container [2023-11-23 21:12:02,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:44" (2/3) ... [2023-11-23 21:12:02,356 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f0eb5f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:02, skipping insertion in model container [2023-11-23 21:12:02,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:02" (3/3) ... [2023-11-23 21:12:02,360 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-82.i [2023-11-23 21:12:02,383 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:12:02,384 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:12:02,448 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:12:02,456 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;@6203bd3e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:12:02,456 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:12:02,462 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 50 states have (on average 1.48) internal successors, (74), 51 states have internal predecessors, (74), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-23 21:12:02,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-23 21:12:02,488 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:02,489 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:12:02,490 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:02,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:02,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1735258590, now seen corresponding path program 1 times [2023-11-23 21:12:02,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:12:02,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2014838945] [2023-11-23 21:12:02,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:02,520 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:12:02,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:12:02,525 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:12:02,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 21:12:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:04,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:12:04,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:12:04,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 664 proven. 0 refuted. 0 times theorem prover too weak. 740 trivial. 0 not checked. [2023-11-23 21:12:04,420 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:12:04,421 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:12:04,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2014838945] [2023-11-23 21:12:04,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2014838945] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:12:04,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:12:04,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:12:04,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053992944] [2023-11-23 21:12:04,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:12:04,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:12:04,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:12:04,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:12:04,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:12:04,491 INFO L87 Difference]: Start difference. First operand has 80 states, 50 states have (on average 1.48) internal successors, (74), 51 states have internal predecessors, (74), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-23 21:12:06,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:06,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:12:06,876 INFO L93 Difference]: Finished difference Result 157 states and 281 transitions. [2023-11-23 21:12:06,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:12:06,938 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 171 [2023-11-23 21:12:06,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:12:06,947 INFO L225 Difference]: With dead ends: 157 [2023-11-23 21:12:06,947 INFO L226 Difference]: Without dead ends: 78 [2023-11-23 21:12:06,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:12:06,955 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:12:06,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2023-11-23 21:12:06,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-11-23 21:12:07,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2023-11-23 21:12:07,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 49 states have (on average 1.4081632653061225) internal successors, (69), 49 states have internal predecessors, (69), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-23 21:12:07,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 123 transitions. [2023-11-23 21:12:07,017 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 123 transitions. Word has length 171 [2023-11-23 21:12:07,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:12:07,018 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 123 transitions. [2023-11-23 21:12:07,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-23 21:12:07,019 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 123 transitions. [2023-11-23 21:12:07,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-23 21:12:07,024 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:07,025 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:12:07,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-23 21:12:07,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:12:07,233 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:07,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:07,234 INFO L85 PathProgramCache]: Analyzing trace with hash 760006568, now seen corresponding path program 1 times [2023-11-23 21:12:07,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:12:07,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [425859481] [2023-11-23 21:12:07,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:07,237 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:12:07,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:12:07,238 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:12:07,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 21:12:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:08,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:12:08,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:12:13,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 492 proven. 123 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2023-11-23 21:12:13,131 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:12:15,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 27 proven. 126 refuted. 0 times theorem prover too weak. 1251 trivial. 0 not checked. [2023-11-23 21:12:15,644 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:12:15,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [425859481] [2023-11-23 21:12:15,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [425859481] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:12:15,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [501739482] [2023-11-23 21:12:15,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:15,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:12:15,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:12:15,688 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:12:15,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 21:12:16,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:16,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:12:16,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:12:16,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-23 21:12:16,963 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:12:16,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [501739482] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:12:16,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:12:16,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9, 9] total 15 [2023-11-23 21:12:16,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463802343] [2023-11-23 21:12:16,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:12:16,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:12:16,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:12:16,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:12:16,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2023-11-23 21:12:16,970 INFO L87 Difference]: Start difference. First operand 78 states and 123 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-23 21:12:19,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:21,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:23,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:23,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:12:23,683 INFO L93 Difference]: Finished difference Result 227 states and 357 transitions. [2023-11-23 21:12:23,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:12:23,687 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 171 [2023-11-23 21:12:23,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:12:23,693 INFO L225 Difference]: With dead ends: 227 [2023-11-23 21:12:23,693 INFO L226 Difference]: Without dead ends: 150 [2023-11-23 21:12:23,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 510 GetRequests, 496 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2023-11-23 21:12:23,697 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 104 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-11-23 21:12:23,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 320 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 14 Invalid, 3 Unknown, 0 Unchecked, 6.7s Time] [2023-11-23 21:12:23,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2023-11-23 21:12:23,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 88. [2023-11-23 21:12:23,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 59 states have (on average 1.423728813559322) internal successors, (84), 59 states have internal predecessors, (84), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-23 21:12:23,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 138 transitions. [2023-11-23 21:12:23,723 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 138 transitions. Word has length 171 [2023-11-23 21:12:23,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:12:23,726 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 138 transitions. [2023-11-23 21:12:23,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-23 21:12:23,727 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 138 transitions. [2023-11-23 21:12:23,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-23 21:12:23,732 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:23,732 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:12:23,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:12:23,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:12:24,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/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_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 21:12:24,154 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:24,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:24,154 INFO L85 PathProgramCache]: Analyzing trace with hash 761853610, now seen corresponding path program 1 times [2023-11-23 21:12:24,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:12:24,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1472583785] [2023-11-23 21:12:24,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:24,156 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:12:24,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:12:24,158 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:12:24,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5c9ad1-4e48-4c3c-a37a-b14749d6ffde/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-23 21:12:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:25,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:12:25,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:12:29,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 492 proven. 123 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2023-11-23 21:12:29,692 INFO L327 TraceCheckSpWp]: Computing backward predicates...