./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-14.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/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_2e1f29ae-59f6-40da-88c9-4b7567525626/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-14.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/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_2e1f29ae-59f6-40da-88c9-4b7567525626/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 b6dd75a239728f3bed2b5ccade49020a43fdfc885749bbbfcbfe69e463ba96ea --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:30:21,423 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:30:21,493 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:30:21,498 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:30:21,499 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:30:21,527 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:30:21,528 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:30:21,529 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:30:21,529 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:30:21,530 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:30:21,531 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:30:21,531 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:30:21,532 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:30:21,532 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:30:21,533 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:30:21,533 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:30:21,534 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:30:21,534 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:30:21,535 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:30:21,535 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:30:21,536 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:30:21,538 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:30:21,539 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:30:21,539 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:30:21,540 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:30:21,540 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:30:21,540 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:30:21,540 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:30:21,541 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:30:21,541 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:30:21,541 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:30:21,542 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:30:21,542 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:30:21,542 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:30:21,543 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:30:21,543 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:30:21,543 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:30:21,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:30:21,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:30:21,544 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:30:21,544 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:30:21,544 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:30:21,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:30:21,545 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:30:21,545 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:30:21,545 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:30:21,545 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:30:21,546 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_2e1f29ae-59f6-40da-88c9-4b7567525626/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6dd75a239728f3bed2b5ccade49020a43fdfc885749bbbfcbfe69e463ba96ea [2023-11-23 21:30:21,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:30:21,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:30:21,822 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:30:21,824 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:30:21,825 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:30:21,826 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-14.i [2023-11-23 21:30:24,904 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:30:25,215 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:30:25,216 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-14.i [2023-11-23 21:30:25,227 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/bin/utaipan-verify-mE87zJ7Ire/data/6322cff03/f3f2ff1effbb496098d0c6674d26ff78/FLAG09e4dd26e [2023-11-23 21:30:25,243 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/bin/utaipan-verify-mE87zJ7Ire/data/6322cff03/f3f2ff1effbb496098d0c6674d26ff78 [2023-11-23 21:30:25,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:30:25,248 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:30:25,250 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:30:25,250 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:30:25,256 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:30:25,257 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:30:25" (1/1) ... [2023-11-23 21:30:25,258 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55fcedd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:25, skipping insertion in model container [2023-11-23 21:30:25,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:30:25" (1/1) ... [2023-11-23 21:30:25,305 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:30:25,472 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_2e1f29ae-59f6-40da-88c9-4b7567525626/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-14.i[916,929] [2023-11-23 21:30:25,573 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:30:25,588 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:30:25,606 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_2e1f29ae-59f6-40da-88c9-4b7567525626/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-14.i[916,929] [2023-11-23 21:30:25,674 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:30:25,707 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:30:25,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:25 WrapperNode [2023-11-23 21:30:25,708 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:30:25,709 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:30:25,709 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:30:25,709 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:30:25,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:25" (1/1) ... [2023-11-23 21:30:25,733 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:25" (1/1) ... [2023-11-23 21:30:25,801 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 279 [2023-11-23 21:30:25,802 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:30:25,803 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:30:25,803 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:30:25,803 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:30:25,813 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:25" (1/1) ... [2023-11-23 21:30:25,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:25" (1/1) ... [2023-11-23 21:30:25,820 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:25" (1/1) ... [2023-11-23 21:30:25,821 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:25" (1/1) ... [2023-11-23 21:30:25,844 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:25" (1/1) ... [2023-11-23 21:30:25,849 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:25" (1/1) ... [2023-11-23 21:30:25,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:25" (1/1) ... [2023-11-23 21:30:25,858 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:25" (1/1) ... [2023-11-23 21:30:25,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:30:25,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:30:25,868 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:30:25,868 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:30:25,869 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:25" (1/1) ... [2023-11-23 21:30:25,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:30:25,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:30:25,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:30:25,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:30:25,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:30:25,974 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:30:25,974 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:30:25,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:30:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:30:25,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:30:26,118 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:30:26,121 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:30:26,869 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:30:27,443 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:30:27,443 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:30:27,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:30:27 BoogieIcfgContainer [2023-11-23 21:30:27,445 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:30:27,447 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:30:27,447 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:30:27,451 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:30:27,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:30:25" (1/3) ... [2023-11-23 21:30:27,452 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d868c29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:30:27, skipping insertion in model container [2023-11-23 21:30:27,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:25" (2/3) ... [2023-11-23 21:30:27,453 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d868c29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:30:27, skipping insertion in model container [2023-11-23 21:30:27,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:30:27" (3/3) ... [2023-11-23 21:30:27,454 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-14.i [2023-11-23 21:30:27,473 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:30:27,474 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:30:27,527 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:30:27,534 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;@6e6b1d70, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:30:27,534 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:30:27,539 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-23 21:30:27,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-23 21:30:27,553 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:30:27,554 INFO L195 NwaCegarLoop]: trace histogram [31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:30:27,554 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:30:27,560 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:30:27,560 INFO L85 PathProgramCache]: Analyzing trace with hash -90184645, now seen corresponding path program 1 times [2023-11-23 21:30:27,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:30:27,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698554206] [2023-11-23 21:30:27,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:27,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:30:27,747 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:30:27,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1996539233] [2023-11-23 21:30:27,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:27,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:30:27,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:30:27,750 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:30:27,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:30:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:30:28,945 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:30:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:30:29,732 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:30:29,735 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:30:29,736 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:30:29,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:30:29,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:30:29,950 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:30:29,954 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:30:30,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:30:30 BoogieIcfgContainer [2023-11-23 21:30:30,130 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:30:30,131 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:30:30,131 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:30:30,133 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:30:30,134 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:30:27" (3/4) ... [2023-11-23 21:30:30,141 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:30:30,143 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:30:30,144 INFO L158 Benchmark]: Toolchain (without parser) took 4896.00ms. Allocated memory is still 176.2MB. Free memory was 142.8MB in the beginning and 71.2MB in the end (delta: 71.7MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. [2023-11-23 21:30:30,146 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 90.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:30:30,147 INFO L158 Benchmark]: CACSL2BoogieTranslator took 458.66ms. Allocated memory is still 176.2MB. Free memory was 142.8MB in the beginning and 126.8MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:30:30,149 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.03ms. Allocated memory is still 176.2MB. Free memory was 126.2MB in the beginning and 120.5MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:30:30,156 INFO L158 Benchmark]: Boogie Preprocessor took 63.81ms. Allocated memory is still 176.2MB. Free memory was 120.5MB in the beginning and 117.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:30:30,157 INFO L158 Benchmark]: RCFGBuilder took 1577.84ms. Allocated memory is still 176.2MB. Free memory was 116.9MB in the beginning and 133.0MB in the end (delta: -16.1MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. [2023-11-23 21:30:30,158 INFO L158 Benchmark]: TraceAbstraction took 2682.83ms. Allocated memory is still 176.2MB. Free memory was 132.0MB in the beginning and 71.2MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-11-23 21:30:30,159 INFO L158 Benchmark]: Witness Printer took 12.24ms. Allocated memory is still 176.2MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:30:30,170 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 90.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 458.66ms. Allocated memory is still 176.2MB. Free memory was 142.8MB in the beginning and 126.8MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.03ms. Allocated memory is still 176.2MB. Free memory was 126.2MB in the beginning and 120.5MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.81ms. Allocated memory is still 176.2MB. Free memory was 120.5MB in the beginning and 117.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1577.84ms. Allocated memory is still 176.2MB. Free memory was 116.9MB in the beginning and 133.0MB in the end (delta: -16.1MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2682.83ms. Allocated memory is still 176.2MB. Free memory was 132.0MB in the beginning and 71.2MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Witness Printer took 12.24ms. Allocated memory is still 176.2MB. Free memory is still 71.2MB. 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 shiftLeft at line 128, overapproximation of someBinaryArithmeticDOUBLEoperation at line 131, overapproximation of someBinaryFLOATComparisonOperation at line 118, overapproximation of bitwiseOr at line 103, overapproximation of someUnaryDOUBLEoperation at line 51, overapproximation of bitwiseAnd at line 130, overapproximation of someBinaryDOUBLEComparisonOperation at line 66. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 16; [L23] unsigned long int var_1_4 = 4042214920; [L24] signed char var_1_6 = -50; [L25] signed char var_1_8 = -4; [L26] unsigned char var_1_9 = 0; [L27] unsigned char var_1_10 = 0; [L28] unsigned char var_1_11 = 0; [L29] unsigned char var_1_12 = 0; [L30] signed long int var_1_13 = 128; [L31] signed char var_1_14 = -32; [L32] signed char var_1_15 = 0; [L33] signed long int var_1_16 = 128; [L34] unsigned short int var_1_17 = 4; [L35] unsigned char var_1_20 = 64; [L36] unsigned char var_1_22 = 16; [L37] unsigned char var_1_23 = 0; [L38] unsigned char var_1_24 = 1; [L39] unsigned char var_1_26 = 1; [L40] unsigned char var_1_27 = 128; [L41] unsigned char var_1_28 = 128; [L42] signed char var_1_29 = 64; [L43] signed char var_1_30 = 64; [L44] double var_1_31 = 63.75; [L45] unsigned long int var_1_32 = 5; [L46] double var_1_33 = 8.6; [L47] double var_1_34 = 2.25; [L48] unsigned long int var_1_35 = 2195589809; [L49] signed long int var_1_36 = -256; [L50] double var_1_37 = 0.88; [L51] float var_1_38 = -0.2; [L52] unsigned long int last_1_var_1_1 = 16; [L53] unsigned char last_1_var_1_9 = 0; [L54] unsigned char last_1_var_1_20 = 64; [L55] unsigned char last_1_var_1_27 = 128; [L56] double last_1_var_1_31 = 63.75; [L205] isInitial = 1 [L206] FCALL initially() [L207] COND TRUE 1 [L208] CALL updateLastVariables() [L194] last_1_var_1_1 = var_1_1 [L195] last_1_var_1_9 = var_1_9 [L196] last_1_var_1_20 = var_1_20 [L197] last_1_var_1_27 = var_1_27 [L198] last_1_var_1_31 = var_1_31 [L208] RET updateLastVariables() [L209] CALL updateVariables() [L145] var_1_4 = __VERIFIER_nondet_ulong() [L146] CALL assume_abort_if_not(var_1_4 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=128, var_1_14=-32, var_1_15=0, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=16, var_1_23=0, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=-4, var_1_9=0] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_4 >= 2147483647) VAL [isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=128, var_1_14=-32, var_1_15=0, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=16, var_1_23=0, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=-4, var_1_9=0] [L147] CALL assume_abort_if_not(var_1_4 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=128, var_1_14=-32, var_1_15=0, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=16, var_1_23=0, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=-4, var_1_9=0] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_4 <= 4294967294) VAL [isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=128, var_1_14=-32, var_1_15=0, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=16, var_1_23=0, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=-4, var_1_9=0] [L148] var_1_8 = __VERIFIER_nondet_char() [L149] CALL assume_abort_if_not(var_1_8 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=128, var_1_14=-32, var_1_15=0, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=16, var_1_23=0, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_8 >= -127) VAL [isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=128, var_1_14=-32, var_1_15=0, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=16, var_1_23=0, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L150] CALL assume_abort_if_not(var_1_8 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=128, var_1_14=-32, var_1_15=0, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=16, var_1_23=0, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_8 <= 126) VAL [isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=128, var_1_14=-32, var_1_15=0, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=16, var_1_23=0, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L151] var_1_10 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_11=0, var_1_12=0, var_1_13=128, var_1_14=-32, var_1_15=0, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=16, var_1_23=0, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_11=0, var_1_12=0, var_1_13=128, var_1_14=-32, var_1_15=0, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=16, var_1_23=0, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L153] CALL assume_abort_if_not(var_1_10 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=128, var_1_14=-32, var_1_15=0, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=16, var_1_23=0, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_10 <= 0) VAL [isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=128, var_1_14=-32, var_1_15=0, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=16, var_1_23=0, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L154] var_1_11 = __VERIFIER_nondet_uchar() [L155] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_12=0, var_1_13=128, var_1_14=-32, var_1_15=0, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=16, var_1_23=0, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_12=0, var_1_13=128, var_1_14=-32, var_1_15=0, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=16, var_1_23=0, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L156] CALL assume_abort_if_not(var_1_11 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=128, var_1_14=-32, var_1_15=0, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=16, var_1_23=0, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_11 <= 0) VAL [isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=128, var_1_14=-32, var_1_15=0, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=16, var_1_23=0, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L157] var_1_12 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_13=128, var_1_14=-32, var_1_15=0, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=16, var_1_23=0, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_13=128, var_1_14=-32, var_1_15=0, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=16, var_1_23=0, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L159] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=128, var_1_14=-32, var_1_15=0, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=16, var_1_23=0, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=128, var_1_14=-32, var_1_15=0, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=16, var_1_23=0, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L160] var_1_13 = __VERIFIER_nondet_long() [L161] CALL assume_abort_if_not(var_1_13 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=0, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=16, var_1_23=0, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_13 >= -2147483648) VAL [isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=0, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=16, var_1_23=0, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L162] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=0, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=16, var_1_23=0, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=0, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=16, var_1_23=0, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L163] CALL assume_abort_if_not(var_1_13 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=0, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=16, var_1_23=0, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_13 != 0) VAL [isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=0, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=16, var_1_23=0, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L164] var_1_15 = __VERIFIER_nondet_char() [L165] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=1, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=16, var_1_23=0, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=1, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=16, var_1_23=0, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L166] CALL assume_abort_if_not(var_1_15 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=1, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=16, var_1_23=0, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_15 <= 126) VAL [isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=1, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=16, var_1_23=0, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L167] var_1_22 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=1, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_23=0, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=1, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_23=0, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L169] CALL assume_abort_if_not(var_1_22 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=1, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=0, var_1_23=0, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_22 <= 64) VAL [isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=1, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=0, var_1_23=0, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L170] var_1_23 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=1, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=0, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=1, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=0, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L172] CALL assume_abort_if_not(var_1_23 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=1, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_23 <= 63) VAL [isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=1, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L173] var_1_26 = __VERIFIER_nondet_uchar() [L174] CALL assume_abort_if_not(var_1_26 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=1, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_26 >= 1) VAL [isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=1, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L175] CALL assume_abort_if_not(var_1_26 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=1, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_26 <= 1) VAL [isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=1, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=128, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L176] var_1_28 = __VERIFIER_nondet_uchar() [L177] CALL assume_abort_if_not(var_1_28 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=1, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=129, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_28 >= 127) VAL [isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=1, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=129, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L178] CALL assume_abort_if_not(var_1_28 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=1, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=129, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_28 <= 254) VAL [isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=1, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=129, var_1_29=64, var_1_30=64, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L179] var_1_30 = __VERIFIER_nondet_char() [L180] CALL assume_abort_if_not(var_1_30 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=1, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=129, var_1_29=64, var_1_30=126, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_30 >= 63) VAL [isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=1, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=129, var_1_29=64, var_1_30=126, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L181] CALL assume_abort_if_not(var_1_30 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=1, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=129, var_1_29=64, var_1_30=126, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_30 <= 126) VAL [isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=1, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=129, var_1_29=64, var_1_30=126, var_1_31=255/4, var_1_32=5, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L182] var_1_32 = __VERIFIER_nondet_ulong() [L183] CALL assume_abort_if_not(var_1_32 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=1, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=129, var_1_29=64, var_1_30=126, var_1_31=255/4, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_32 >= 0) VAL [isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=1, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=129, var_1_29=64, var_1_30=126, var_1_31=255/4, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L184] CALL assume_abort_if_not(var_1_32 <= 23) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=1, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=129, var_1_29=64, var_1_30=126, var_1_31=255/4, var_1_32=0, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_32 <= 23) VAL [isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=1, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=129, var_1_29=64, var_1_30=126, var_1_31=255/4, var_1_32=0, var_1_33=43/5, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L185] var_1_33 = __VERIFIER_nondet_double() [L186] CALL assume_abort_if_not((var_1_33 >= 0.0F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 9223372.036854765600e+12F && var_1_33 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=1, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=129, var_1_29=64, var_1_30=126, var_1_31=255/4, var_1_32=0, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not((var_1_33 >= 0.0F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 9223372.036854765600e+12F && var_1_33 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=1, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=129, var_1_29=64, var_1_30=126, var_1_31=255/4, var_1_32=0, var_1_34=9/4, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L187] var_1_34 = __VERIFIER_nondet_double() [L188] CALL assume_abort_if_not((var_1_34 >= 0.0F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854765600e+12F && var_1_34 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=1, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=129, var_1_29=64, var_1_30=126, var_1_31=255/4, var_1_32=0, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not((var_1_34 >= 0.0F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854765600e+12F && var_1_34 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=1, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=129, var_1_29=64, var_1_30=126, var_1_31=255/4, var_1_32=0, var_1_35=2195589809, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L189] var_1_35 = __VERIFIER_nondet_ulong() [L190] CALL assume_abort_if_not(var_1_35 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=1, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=129, var_1_29=64, var_1_30=126, var_1_31=255/4, var_1_32=0, var_1_35=2147483647, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L190] RET assume_abort_if_not(var_1_35 >= 2147483647) VAL [isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=1, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=129, var_1_29=64, var_1_30=126, var_1_31=255/4, var_1_32=0, var_1_35=2147483647, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L191] CALL assume_abort_if_not(var_1_35 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=1, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=129, var_1_29=64, var_1_30=126, var_1_31=255/4, var_1_32=0, var_1_35=2147483647, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L191] RET assume_abort_if_not(var_1_35 <= 4294967295) VAL [isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=-32, var_1_15=1, var_1_16=128, var_1_17=4, var_1_1=16, var_1_20=64, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=128, var_1_28=129, var_1_29=64, var_1_30=126, var_1_31=255/4, var_1_32=0, var_1_35=2147483647, var_1_36=-256, var_1_37=22/25, var_1_4=4294967294, var_1_6=-50, var_1_8=0, var_1_9=0] [L209] RET updateVariables() [L210] CALL step() [L60] unsigned char stepLocal_0 = last_1_var_1_9; [L61] COND TRUE (last_1_var_1_20 > last_1_var_1_1) || stepLocal_0 [L62] var_1_6 = var_1_8 [L66] COND TRUE ((((last_1_var_1_31) > (last_1_var_1_31)) ? (last_1_var_1_31) : (last_1_var_1_31))) < 1.85 [L67] var_1_20 = ((var_1_22 + var_1_23) + var_1_15) [L69] COND FALSE !((((((var_1_4 / var_1_13)) < (last_1_var_1_27)) ? ((var_1_4 / var_1_13)) : (last_1_var_1_27))) < ((((var_1_22) < (500u)) ? (var_1_22) : (500u)))) [L72] COND TRUE var_1_8 >= -16 [L73] var_1_29 = (var_1_22 - (var_1_30 - var_1_23)) [L77] var_1_36 = var_1_32 [L78] var_1_37 = var_1_34 [L79] var_1_38 = var_1_33 [L80] COND TRUE var_1_36 >= var_1_36 [L81] var_1_1 = (var_1_4 - var_1_20) [L89] COND FALSE !(var_1_4 < var_1_1) [L96] var_1_14 = var_1_15 [L98] signed char stepLocal_2 = var_1_14; [L99] unsigned char stepLocal_1 = var_1_20; [L100] COND TRUE (2 << 1u) > stepLocal_1 [L101] var_1_9 = (var_1_10 || (var_1_11 || var_1_12)) [L109] COND TRUE var_1_29 != (var_1_13 / -16) [L110] COND TRUE var_1_1 > (256u * var_1_14) [L111] var_1_16 = var_1_6 [L116] unsigned char stepLocal_3 = var_1_11; [L117] COND TRUE stepLocal_3 || (var_1_16 < var_1_20) [L118] COND FALSE !(var_1_38 < ((((- var_1_38) < 0 ) ? -(- var_1_38) : (- var_1_38)))) [L121] COND FALSE !(\read(var_1_12)) [L128] EXPR 256 << ((((var_1_32) < 0 ) ? -(var_1_32) : (var_1_32))) [L128] signed long int stepLocal_6 = 256 << ((((var_1_32) < 0 ) ? -(var_1_32) : (var_1_32))); [L129] unsigned long int stepLocal_5 = var_1_35 - (var_1_17 + var_1_15); [L130] EXPR var_1_13 & var_1_8 [L130] COND FALSE !((var_1_13 & var_1_8) > stepLocal_6) [L133] COND FALSE !(var_1_4 <= stepLocal_5) [L137] unsigned char stepLocal_4 = var_1_27; [L138] COND FALSE !((((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) + (64 * var_1_16)) == stepLocal_4) [L141] var_1_24 = (var_1_12 || var_1_11) [L210] RET step() [L211] CALL, EXPR property() [L201] EXPR (((var_1_36 >= var_1_36) ? (var_1_1 == ((unsigned long int) (var_1_4 - var_1_20))) : (((var_1_36 / 5) <= -64) ? (var_1_1 == ((unsigned long int) var_1_4)) : (var_1_1 == ((unsigned long int) var_1_4)))) && (((last_1_var_1_20 > last_1_var_1_1) || last_1_var_1_9) ? (var_1_6 == ((signed char) var_1_8)) : (var_1_6 == ((signed char) var_1_8)))) && (((2 << 1u) > var_1_20) ? (var_1_9 == ((unsigned char) (var_1_10 || (var_1_11 || var_1_12)))) : ((var_1_14 <= ((5 - var_1_27) ^ (var_1_20 / var_1_13))) ? (var_1_9 == ((unsigned char) var_1_10)) : (var_1_9 == ((unsigned char) 1)))) [L201] EXPR ((2 << 1u) > var_1_20) ? (var_1_9 == ((unsigned char) (var_1_10 || (var_1_11 || var_1_12)))) : ((var_1_14 <= ((5 - var_1_27) ^ (var_1_20 / var_1_13))) ? (var_1_9 == ((unsigned char) var_1_10)) : (var_1_9 == ((unsigned char) 1))) [L201] EXPR (((var_1_36 >= var_1_36) ? (var_1_1 == ((unsigned long int) (var_1_4 - var_1_20))) : (((var_1_36 / 5) <= -64) ? (var_1_1 == ((unsigned long int) var_1_4)) : (var_1_1 == ((unsigned long int) var_1_4)))) && (((last_1_var_1_20 > last_1_var_1_1) || last_1_var_1_9) ? (var_1_6 == ((signed char) var_1_8)) : (var_1_6 == ((signed char) var_1_8)))) && (((2 << 1u) > var_1_20) ? (var_1_9 == ((unsigned char) (var_1_10 || (var_1_11 || var_1_12)))) : ((var_1_14 <= ((5 - var_1_27) ^ (var_1_20 / var_1_13))) ? (var_1_9 == ((unsigned char) var_1_10)) : (var_1_9 == ((unsigned char) 1)))) [L201] EXPR (((((((((((var_1_36 >= var_1_36) ? (var_1_1 == ((unsigned long int) (var_1_4 - var_1_20))) : (((var_1_36 / 5) <= -64) ? (var_1_1 == ((unsigned long int) var_1_4)) : (var_1_1 == ((unsigned long int) var_1_4)))) && (((last_1_var_1_20 > last_1_var_1_1) || last_1_var_1_9) ? (var_1_6 == ((signed char) var_1_8)) : (var_1_6 == ((signed char) var_1_8)))) && (((2 << 1u) > var_1_20) ? (var_1_9 == ((unsigned char) (var_1_10 || (var_1_11 || var_1_12)))) : ((var_1_14 <= ((5 - var_1_27) ^ (var_1_20 / var_1_13))) ? (var_1_9 == ((unsigned char) var_1_10)) : (var_1_9 == ((unsigned char) 1))))) && ((var_1_4 < var_1_1) ? ((var_1_4 >= var_1_6) ? (var_1_14 == ((signed char) (2 - var_1_15))) : (var_1_14 == ((signed char) var_1_8))) : (var_1_14 == ((signed char) var_1_15)))) && ((var_1_29 != (var_1_13 / -16)) ? ((var_1_1 > (256u * var_1_14)) ? (var_1_16 == ((signed long int) var_1_6)) : (var_1_16 == ((signed long int) var_1_29))) : 1)) && ((var_1_11 || (var_1_16 < var_1_20)) ? ((var_1_38 < ((((- var_1_38) < 0 ) ? -(- var_1_38) : (- var_1_38)))) ? (var_1_17 == ((unsigned short int) var_1_15)) : (var_1_12 ? (var_1_17 == ((unsigned short int) var_1_15)) : 1)) : (var_1_17 == ((unsigned short int) 8)))) && ((((((last_1_var_1_31) > (last_1_var_1_31)) ? (last_1_var_1_31) : (last_1_var_1_31))) < 1.85) ? (var_1_20 == ((unsigned char) ((var_1_22 + var_1_23) + var_1_15))) : 1)) && (((((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) + (64 * var_1_16)) == var_1_27) ? (var_1_24 == ((unsigned char) (var_1_12 || var_1_26))) : (var_1_24 == ((unsigned char) (var_1_12 || var_1_11))))) && (((((((var_1_4 / var_1_13)) < (last_1_var_1_27)) ? ((var_1_4 / var_1_13)) : (last_1_var_1_27))) < ((((var_1_22) < (500u)) ? (var_1_22) : (500u)))) ? (var_1_27 == ((unsigned char) (var_1_28 - ((((var_1_15) < (var_1_23)) ? (var_1_15) : (var_1_23)))))) : 1)) && ((var_1_8 >= -16) ? (var_1_29 == ((signed char) (var_1_22 - (var_1_30 - var_1_23)))) : (var_1_29 == ((signed char) ((((var_1_23) < (var_1_15)) ? (var_1_23) : (var_1_15))))))) && (((var_1_13 & var_1_8) > (256 << ((((var_1_32) < 0 ) ? -(var_1_32) : (var_1_32))))) ? (var_1_31 == ((double) (var_1_33 - var_1_34))) : ((var_1_4 <= (var_1_35 - (var_1_17 + var_1_15))) ? (var_1_31 == ((double) (var_1_33 - var_1_34))) : 1)) [L201] EXPR var_1_13 & var_1_8 [L201] EXPR 256 << ((((var_1_32) < 0 ) ? -(var_1_32) : (var_1_32))) [L201] EXPR (((((((((((var_1_36 >= var_1_36) ? (var_1_1 == ((unsigned long int) (var_1_4 - var_1_20))) : (((var_1_36 / 5) <= -64) ? (var_1_1 == ((unsigned long int) var_1_4)) : (var_1_1 == ((unsigned long int) var_1_4)))) && (((last_1_var_1_20 > last_1_var_1_1) || last_1_var_1_9) ? (var_1_6 == ((signed char) var_1_8)) : (var_1_6 == ((signed char) var_1_8)))) && (((2 << 1u) > var_1_20) ? (var_1_9 == ((unsigned char) (var_1_10 || (var_1_11 || var_1_12)))) : ((var_1_14 <= ((5 - var_1_27) ^ (var_1_20 / var_1_13))) ? (var_1_9 == ((unsigned char) var_1_10)) : (var_1_9 == ((unsigned char) 1))))) && ((var_1_4 < var_1_1) ? ((var_1_4 >= var_1_6) ? (var_1_14 == ((signed char) (2 - var_1_15))) : (var_1_14 == ((signed char) var_1_8))) : (var_1_14 == ((signed char) var_1_15)))) && ((var_1_29 != (var_1_13 / -16)) ? ((var_1_1 > (256u * var_1_14)) ? (var_1_16 == ((signed long int) var_1_6)) : (var_1_16 == ((signed long int) var_1_29))) : 1)) && ((var_1_11 || (var_1_16 < var_1_20)) ? ((var_1_38 < ((((- var_1_38) < 0 ) ? -(- var_1_38) : (- var_1_38)))) ? (var_1_17 == ((unsigned short int) var_1_15)) : (var_1_12 ? (var_1_17 == ((unsigned short int) var_1_15)) : 1)) : (var_1_17 == ((unsigned short int) 8)))) && ((((((last_1_var_1_31) > (last_1_var_1_31)) ? (last_1_var_1_31) : (last_1_var_1_31))) < 1.85) ? (var_1_20 == ((unsigned char) ((var_1_22 + var_1_23) + var_1_15))) : 1)) && (((((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) + (64 * var_1_16)) == var_1_27) ? (var_1_24 == ((unsigned char) (var_1_12 || var_1_26))) : (var_1_24 == ((unsigned char) (var_1_12 || var_1_11))))) && (((((((var_1_4 / var_1_13)) < (last_1_var_1_27)) ? ((var_1_4 / var_1_13)) : (last_1_var_1_27))) < ((((var_1_22) < (500u)) ? (var_1_22) : (500u)))) ? (var_1_27 == ((unsigned char) (var_1_28 - ((((var_1_15) < (var_1_23)) ? (var_1_15) : (var_1_23)))))) : 1)) && ((var_1_8 >= -16) ? (var_1_29 == ((signed char) (var_1_22 - (var_1_30 - var_1_23)))) : (var_1_29 == ((signed char) ((((var_1_23) < (var_1_15)) ? (var_1_23) : (var_1_15))))))) && (((var_1_13 & var_1_8) > (256 << ((((var_1_32) < 0 ) ? -(var_1_32) : (var_1_32))))) ? (var_1_31 == ((double) (var_1_33 - var_1_34))) : ((var_1_4 <= (var_1_35 - (var_1_17 + var_1_15))) ? (var_1_31 == ((double) (var_1_33 - var_1_34))) : 1)) [L201-L202] return ((((((((((((((var_1_36 >= var_1_36) ? (var_1_1 == ((unsigned long int) (var_1_4 - var_1_20))) : (((var_1_36 / 5) <= -64) ? (var_1_1 == ((unsigned long int) var_1_4)) : (var_1_1 == ((unsigned long int) var_1_4)))) && (((last_1_var_1_20 > last_1_var_1_1) || last_1_var_1_9) ? (var_1_6 == ((signed char) var_1_8)) : (var_1_6 == ((signed char) var_1_8)))) && (((2 << 1u) > var_1_20) ? (var_1_9 == ((unsigned char) (var_1_10 || (var_1_11 || var_1_12)))) : ((var_1_14 <= ((5 - var_1_27) ^ (var_1_20 / var_1_13))) ? (var_1_9 == ((unsigned char) var_1_10)) : (var_1_9 == ((unsigned char) 1))))) && ((var_1_4 < var_1_1) ? ((var_1_4 >= var_1_6) ? (var_1_14 == ((signed char) (2 - var_1_15))) : (var_1_14 == ((signed char) var_1_8))) : (var_1_14 == ((signed char) var_1_15)))) && ((var_1_29 != (var_1_13 / -16)) ? ((var_1_1 > (256u * var_1_14)) ? (var_1_16 == ((signed long int) var_1_6)) : (var_1_16 == ((signed long int) var_1_29))) : 1)) && ((var_1_11 || (var_1_16 < var_1_20)) ? ((var_1_38 < ((((- var_1_38) < 0 ) ? -(- var_1_38) : (- var_1_38)))) ? (var_1_17 == ((unsigned short int) var_1_15)) : (var_1_12 ? (var_1_17 == ((unsigned short int) var_1_15)) : 1)) : (var_1_17 == ((unsigned short int) 8)))) && ((((((last_1_var_1_31) > (last_1_var_1_31)) ? (last_1_var_1_31) : (last_1_var_1_31))) < 1.85) ? (var_1_20 == ((unsigned char) ((var_1_22 + var_1_23) + var_1_15))) : 1)) && (((((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) + (64 * var_1_16)) == var_1_27) ? (var_1_24 == ((unsigned char) (var_1_12 || var_1_26))) : (var_1_24 == ((unsigned char) (var_1_12 || var_1_11))))) && (((((((var_1_4 / var_1_13)) < (last_1_var_1_27)) ? ((var_1_4 / var_1_13)) : (last_1_var_1_27))) < ((((var_1_22) < (500u)) ? (var_1_22) : (500u)))) ? (var_1_27 == ((unsigned char) (var_1_28 - ((((var_1_15) < (var_1_23)) ? (var_1_15) : (var_1_23)))))) : 1)) && ((var_1_8 >= -16) ? (var_1_29 == ((signed char) (var_1_22 - (var_1_30 - var_1_23)))) : (var_1_29 == ((signed char) ((((var_1_23) < (var_1_15)) ? (var_1_23) : (var_1_15))))))) && (((var_1_13 & var_1_8) > (256 << ((((var_1_32) < 0 ) ? -(var_1_32) : (var_1_32))))) ? (var_1_31 == ((double) (var_1_33 - var_1_34))) : ((var_1_4 <= (var_1_35 - (var_1_17 + var_1_15))) ? (var_1_31 == ((double) (var_1_33 - var_1_34))) : 1))) && (var_1_36 == ((signed long int) var_1_32))) && (var_1_37 == ((double) var_1_34))) && (var_1_38 == ((float) var_1_33)) ; [L211] RET, EXPR property() [L211] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=1, var_1_15=1, var_1_16=0, var_1_17=4, var_1_1=4294967291, var_1_20=3, var_1_22=0, var_1_23=2, var_1_24=0, var_1_26=1, var_1_27=128, var_1_28=129, var_1_29=-124, var_1_30=126, var_1_31=255/4, var_1_32=0, var_1_33=2, var_1_34=3, var_1_35=2147483647, var_1_36=0, var_1_37=3, var_1_38=2, var_1_4=4294967294, var_1_6=0, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=16, last_1_var_1_20=64, last_1_var_1_27=128, last_1_var_1_31=255/4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=1, var_1_15=1, var_1_16=0, var_1_17=4, var_1_1=4294967291, var_1_20=3, var_1_22=0, var_1_23=2, var_1_24=0, var_1_26=1, var_1_27=128, var_1_28=129, var_1_29=-124, var_1_30=126, var_1_31=255/4, var_1_32=0, var_1_33=2, var_1_34=3, var_1_35=2147483647, var_1_36=0, var_1_37=3, var_1_38=2, var_1_4=4294967294, var_1_6=0, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 1, TraceHistogramMax: 31, 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=56occurred 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, 1.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 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 21:30:30,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/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_2e1f29ae-59f6-40da-88c9-4b7567525626/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-14.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/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_2e1f29ae-59f6-40da-88c9-4b7567525626/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 b6dd75a239728f3bed2b5ccade49020a43fdfc885749bbbfcbfe69e463ba96ea --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:30:33,227 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:30:33,302 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:30:33,309 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:30:33,310 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:30:33,338 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:30:33,339 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:30:33,340 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:30:33,341 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:30:33,342 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:30:33,342 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:30:33,343 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:30:33,344 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:30:33,345 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:30:33,345 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:30:33,346 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:30:33,347 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:30:33,348 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:30:33,348 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:30:33,349 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:30:33,350 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:30:33,351 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:30:33,351 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:30:33,352 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:30:33,352 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:30:33,353 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:30:33,354 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:30:33,354 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:30:33,355 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:30:33,355 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:30:33,356 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:30:33,356 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:30:33,357 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:30:33,357 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:30:33,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:30:33,358 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:30:33,359 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:30:33,359 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:30:33,360 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:30:33,360 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:30:33,361 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:30:33,361 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:30:33,362 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:30:33,362 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:30:33,363 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_2e1f29ae-59f6-40da-88c9-4b7567525626/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6dd75a239728f3bed2b5ccade49020a43fdfc885749bbbfcbfe69e463ba96ea [2023-11-23 21:30:33,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:30:33,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:30:33,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:30:33,885 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:30:33,886 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:30:33,888 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-14.i [2023-11-23 21:30:37,536 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:30:37,852 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:30:37,853 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-14.i [2023-11-23 21:30:37,871 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/bin/utaipan-verify-mE87zJ7Ire/data/14105a336/5db33e9a24214636a51c9839a9d2ca42/FLAG21eaa3518 [2023-11-23 21:30:37,899 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/bin/utaipan-verify-mE87zJ7Ire/data/14105a336/5db33e9a24214636a51c9839a9d2ca42 [2023-11-23 21:30:37,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:30:37,903 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:30:37,905 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:30:37,905 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:30:37,911 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:30:37,912 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:30:37" (1/1) ... [2023-11-23 21:30:37,913 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4109a908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:37, skipping insertion in model container [2023-11-23 21:30:37,914 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:30:37" (1/1) ... [2023-11-23 21:30:37,956 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:30:38,216 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_2e1f29ae-59f6-40da-88c9-4b7567525626/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-14.i[916,929] [2023-11-23 21:30:38,381 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:30:38,403 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:30:38,427 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_2e1f29ae-59f6-40da-88c9-4b7567525626/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-14.i[916,929] [2023-11-23 21:30:38,539 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:30:38,562 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:30:38,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:38 WrapperNode [2023-11-23 21:30:38,563 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:30:38,565 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:30:38,565 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:30:38,566 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:30:38,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:38" (1/1) ... [2023-11-23 21:30:38,617 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:38" (1/1) ... [2023-11-23 21:30:38,673 INFO L138 Inliner]: procedures = 27, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 205 [2023-11-23 21:30:38,685 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:30:38,687 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:30:38,687 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:30:38,688 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:30:38,700 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:38" (1/1) ... [2023-11-23 21:30:38,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:38" (1/1) ... [2023-11-23 21:30:38,726 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:38" (1/1) ... [2023-11-23 21:30:38,726 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:38" (1/1) ... [2023-11-23 21:30:38,756 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:38" (1/1) ... [2023-11-23 21:30:38,761 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:38" (1/1) ... [2023-11-23 21:30:38,766 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:38" (1/1) ... [2023-11-23 21:30:38,770 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:38" (1/1) ... [2023-11-23 21:30:38,820 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:30:38,821 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:30:38,821 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:30:38,821 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:30:38,822 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:38" (1/1) ... [2023-11-23 21:30:38,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:30:38,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:30:38,937 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:30:38,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:30:38,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:30:38,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:30:38,998 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:30:38,999 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:30:38,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:30:38,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:30:39,160 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:30:39,163 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:30:41,249 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:30:41,325 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:30:41,326 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:30:41,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:30:41 BoogieIcfgContainer [2023-11-23 21:30:41,327 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:30:41,330 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:30:41,330 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:30:41,334 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:30:41,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:30:37" (1/3) ... [2023-11-23 21:30:41,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@174b985b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:30:41, skipping insertion in model container [2023-11-23 21:30:41,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:38" (2/3) ... [2023-11-23 21:30:41,336 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@174b985b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:30:41, skipping insertion in model container [2023-11-23 21:30:41,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:30:41" (3/3) ... [2023-11-23 21:30:41,338 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-14.i [2023-11-23 21:30:41,361 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:30:41,362 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:30:41,426 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:30:41,435 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;@4b374a37, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:30:41,435 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:30:41,442 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 49 states have (on average 1.469387755102041) internal successors, (72), 50 states have internal predecessors, (72), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-23 21:30:41,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-11-23 21:30:41,469 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:30:41,470 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:30:41,471 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:30:41,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:30:41,479 INFO L85 PathProgramCache]: Analyzing trace with hash -2097201629, now seen corresponding path program 1 times [2023-11-23 21:30:41,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:30:41,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1008542609] [2023-11-23 21:30:41,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:41,498 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:30:41,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:30:41,500 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/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 21:30:41,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/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 21:30:42,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:30:42,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:30:42,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:30:42,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 384 proven. 0 refuted. 0 times theorem prover too weak. 1476 trivial. 0 not checked. [2023-11-23 21:30:42,268 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:30:42,275 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:30:42,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1008542609] [2023-11-23 21:30:42,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1008542609] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:30:42,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:30:42,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:30:42,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734390380] [2023-11-23 21:30:42,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:30:42,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:30:42,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:30:42,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:30:42,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:30:42,347 INFO L87 Difference]: Start difference. First operand has 83 states, 49 states have (on average 1.469387755102041) internal successors, (72), 50 states have internal predecessors, (72), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-23 21:30:43,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:30:43,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:30:43,491 INFO L93 Difference]: Finished difference Result 162 states and 295 transitions. [2023-11-23 21:30:43,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:30:43,517 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 192 [2023-11-23 21:30:43,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:30:43,528 INFO L225 Difference]: With dead ends: 162 [2023-11-23 21:30:43,529 INFO L226 Difference]: Without dead ends: 80 [2023-11-23 21:30:43,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 191 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 21:30:43,538 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:30:43,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-23 21:30:43,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-23 21:30:43,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-11-23 21:30:43,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 47 states have (on average 1.3617021276595744) internal successors, (64), 47 states have internal predecessors, (64), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-23 21:30:43,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 126 transitions. [2023-11-23 21:30:43,610 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 126 transitions. Word has length 192 [2023-11-23 21:30:43,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:30:43,611 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 126 transitions. [2023-11-23 21:30:43,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-23 21:30:43,612 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 126 transitions. [2023-11-23 21:30:43,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-11-23 21:30:43,619 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:30:43,619 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:30:43,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/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)] Forceful destruction successful, exit code 0 [2023-11-23 21:30:43,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/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 21:30:43,837 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:30:43,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:30:43,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1873201569, now seen corresponding path program 1 times [2023-11-23 21:30:43,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:30:43,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [267647788] [2023-11-23 21:30:43,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:43,841 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 21:30:43,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:30:43,843 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/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 21:30:43,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/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 21:30:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:30:44,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:30:44,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:30:47,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-23 21:30:47,492 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:30:47,493 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:30:47,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [267647788] [2023-11-23 21:30:47,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [267647788] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:30:47,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:30:47,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:30:47,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618168413] [2023-11-23 21:30:47,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:30:47,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:30:47,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:30:47,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:30:47,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:30:47,501 INFO L87 Difference]: Start difference. First operand 80 states and 126 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-23 21:30:49,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:30:51,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:30:51,096 INFO L93 Difference]: Finished difference Result 246 states and 385 transitions. [2023-11-23 21:30:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:30:51,119 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 192 [2023-11-23 21:30:51,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:30:51,126 INFO L225 Difference]: With dead ends: 246 [2023-11-23 21:30:51,126 INFO L226 Difference]: Without dead ends: 167 [2023-11-23 21:30:51,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:30:51,131 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 101 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:30:51,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 350 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-23 21:30:51,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2023-11-23 21:30:51,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 157. [2023-11-23 21:30:51,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 92 states have (on average 1.358695652173913) internal successors, (125), 92 states have internal predecessors, (125), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-23 21:30:51,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 249 transitions. [2023-11-23 21:30:51,201 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 249 transitions. Word has length 192 [2023-11-23 21:30:51,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:30:51,203 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 249 transitions. [2023-11-23 21:30:51,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-23 21:30:51,203 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 249 transitions. [2023-11-23 21:30:51,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-11-23 21:30:51,216 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:30:51,217 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:30:51,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/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 21:30:51,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/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 21:30:51,434 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:30:51,435 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:30:51,435 INFO L85 PathProgramCache]: Analyzing trace with hash -120943137, now seen corresponding path program 1 times [2023-11-23 21:30:51,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:30:51,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [267506055] [2023-11-23 21:30:51,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:51,437 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 21:30:51,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:30:51,439 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/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 21:30:51,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/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)] Waiting until timeout for monitored process [2023-11-23 21:30:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:30:51,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:30:51,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:30:53,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-23 21:30:53,085 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:30:53,090 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:30:53,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [267506055] [2023-11-23 21:30:53,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [267506055] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:30:53,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:30:53,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:30:53,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768682123] [2023-11-23 21:30:53,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:30:53,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:30:53,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:30:53,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:30:53,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:30:53,096 INFO L87 Difference]: Start difference. First operand 157 states and 249 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-23 21:30:55,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:30:55,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:30:55,939 INFO L93 Difference]: Finished difference Result 392 states and 622 transitions. [2023-11-23 21:30:55,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:30:55,941 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 192 [2023-11-23 21:30:55,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:30:55,957 INFO L225 Difference]: With dead ends: 392 [2023-11-23 21:30:55,957 INFO L226 Difference]: Without dead ends: 236 [2023-11-23 21:30:55,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:30:55,962 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 56 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-23 21:30:55,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 350 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-23 21:30:55,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2023-11-23 21:30:56,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 234. [2023-11-23 21:30:56,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 137 states have (on average 1.3503649635036497) internal successors, (185), 137 states have internal predecessors, (185), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2023-11-23 21:30:56,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 371 transitions. [2023-11-23 21:30:56,028 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 371 transitions. Word has length 192 [2023-11-23 21:30:56,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:30:56,030 INFO L495 AbstractCegarLoop]: Abstraction has 234 states and 371 transitions. [2023-11-23 21:30:56,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-23 21:30:56,030 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 371 transitions. [2023-11-23 21:30:56,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-11-23 21:30:56,034 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:30:56,035 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:30:56,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/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)] Forceful destruction successful, exit code 0 [2023-11-23 21:30:56,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/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 21:30:56,254 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:30:56,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:30:56,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1617416509, now seen corresponding path program 1 times [2023-11-23 21:30:56,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:30:56,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1495143512] [2023-11-23 21:30:56,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:56,257 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 21:30:56,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:30:56,259 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/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 21:30:56,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f29ae-59f6-40da-88c9-4b7567525626/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 21:30:57,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:30:57,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 58 conjunts are in the unsatisfiable core [2023-11-23 21:30:57,233 INFO L285 TraceCheckSpWp]: Computing forward predicates...