./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d381484f1da05d6ba1f8b104325630e07c954c02d7e654b9eb3ca4a77db060bc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:55:20,437 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:55:20,501 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 14:55:20,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:55:20,506 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:55:20,528 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:55:20,528 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:55:20,529 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:55:20,530 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:55:20,530 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:55:20,531 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:55:20,531 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:55:20,532 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:55:20,532 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 14:55:20,532 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:55:20,533 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:55:20,533 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 14:55:20,534 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 14:55:20,534 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:55:20,535 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 14:55:20,535 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 14:55:20,537 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 14:55:20,538 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:55:20,538 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:55:20,538 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:55:20,539 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 14:55:20,539 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:55:20,539 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:55:20,540 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:55:20,540 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:55:20,540 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:55:20,541 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:55:20,541 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:55:20,541 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:55:20,542 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:55:20,542 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:55:20,542 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:55:20,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:55:20,542 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:55:20,543 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:55:20,543 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:55:20,543 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 14:55:20,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 14:55:20,543 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:55:20,544 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:55:20,544 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:55:20,544 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:55:20,544 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_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d381484f1da05d6ba1f8b104325630e07c954c02d7e654b9eb3ca4a77db060bc [2023-12-02 14:55:20,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:55:20,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:55:20,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:55:20,799 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:55:20,800 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:55:20,801 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-2.i [2023-12-02 14:55:23,488 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:55:23,679 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:55:23,679 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-2.i [2023-12-02 14:55:23,689 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/data/c1221cdfe/eaf8fc7440a34877a0a11908917b1e8c/FLAG763ec7950 [2023-12-02 14:55:23,703 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/data/c1221cdfe/eaf8fc7440a34877a0a11908917b1e8c [2023-12-02 14:55:23,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:55:23,707 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:55:23,708 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:55:23,709 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:55:23,714 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:55:23,714 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:55:23" (1/1) ... [2023-12-02 14:55:23,715 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@141a0142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:23, skipping insertion in model container [2023-12-02 14:55:23,716 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:55:23" (1/1) ... [2023-12-02 14:55:23,752 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:55:23,883 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_63434f21-3f16-48ec-9752-0548e43f7755/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-2.i[912,925] [2023-12-02 14:55:23,932 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:55:23,941 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:55:23,954 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_63434f21-3f16-48ec-9752-0548e43f7755/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-2.i[912,925] [2023-12-02 14:55:23,978 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:55:23,991 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:55:23,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:23 WrapperNode [2023-12-02 14:55:23,992 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:55:23,993 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:55:23,993 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:55:23,993 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:55:24,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:23" (1/1) ... [2023-12-02 14:55:24,010 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:23" (1/1) ... [2023-12-02 14:55:24,041 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 143 [2023-12-02 14:55:24,041 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:55:24,042 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:55:24,042 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:55:24,042 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:55:24,052 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:23" (1/1) ... [2023-12-02 14:55:24,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:23" (1/1) ... [2023-12-02 14:55:24,055 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:23" (1/1) ... [2023-12-02 14:55:24,055 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:23" (1/1) ... [2023-12-02 14:55:24,063 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:23" (1/1) ... [2023-12-02 14:55:24,066 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:23" (1/1) ... [2023-12-02 14:55:24,068 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:23" (1/1) ... [2023-12-02 14:55:24,070 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:23" (1/1) ... [2023-12-02 14:55:24,073 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:55:24,074 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:55:24,075 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:55:24,075 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:55:24,076 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:23" (1/1) ... [2023-12-02 14:55:24,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:55:24,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:55:24,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:55:24,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:55:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:55:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 14:55:24,150 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 14:55:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 14:55:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:55:24,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:55:24,237 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:55:24,239 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:55:24,522 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:55:24,674 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:55:24,675 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 14:55:24,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:55:24 BoogieIcfgContainer [2023-12-02 14:55:24,677 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:55:24,679 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:55:24,680 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:55:24,683 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:55:24,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:55:23" (1/3) ... [2023-12-02 14:55:24,684 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d2cc2a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:55:24, skipping insertion in model container [2023-12-02 14:55:24,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:23" (2/3) ... [2023-12-02 14:55:24,685 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d2cc2a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:55:24, skipping insertion in model container [2023-12-02 14:55:24,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:55:24" (3/3) ... [2023-12-02 14:55:24,686 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-2.i [2023-12-02 14:55:24,701 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:55:24,701 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:55:24,742 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:55:24,749 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;@7ae7e98f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:55:24,749 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:55:24,754 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-02 14:55:24,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-02 14:55:24,762 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:55:24,763 INFO L195 NwaCegarLoop]: trace histogram [21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:55:24,763 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:55:24,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:55:24,767 INFO L85 PathProgramCache]: Analyzing trace with hash -418711651, now seen corresponding path program 1 times [2023-12-02 14:55:24,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:55:24,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175770313] [2023-12-02 14:55:24,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:55:24,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:55:24,923 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 14:55:24,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [8568471] [2023-12-02 14:55:24,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:55:24,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:55:24,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:55:24,926 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:55:24,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 14:55:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 14:55:25,246 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 14:55:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 14:55:25,396 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 14:55:25,398 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 14:55:25,399 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 14:55:25,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 14:55:25,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:55:25,606 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 14:55:25,610 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 14:55:25,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:55:25 BoogieIcfgContainer [2023-12-02 14:55:25,679 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 14:55:25,680 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 14:55:25,680 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 14:55:25,680 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 14:55:25,680 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:55:24" (3/4) ... [2023-12-02 14:55:25,682 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 14:55:25,683 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 14:55:25,685 INFO L158 Benchmark]: Toolchain (without parser) took 1977.32ms. Allocated memory was 165.7MB in the beginning and 205.5MB in the end (delta: 39.8MB). Free memory was 117.8MB in the beginning and 118.6MB in the end (delta: -793.5kB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2023-12-02 14:55:25,685 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 165.7MB. Free memory is still 138.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:55:25,686 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.86ms. Allocated memory is still 165.7MB. Free memory was 117.5MB in the beginning and 104.2MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 14:55:25,686 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.55ms. Allocated memory is still 165.7MB. Free memory was 104.2MB in the beginning and 101.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 14:55:25,687 INFO L158 Benchmark]: Boogie Preprocessor took 31.60ms. Allocated memory is still 165.7MB. Free memory was 101.4MB in the beginning and 99.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 14:55:25,687 INFO L158 Benchmark]: RCFGBuilder took 602.31ms. Allocated memory was 165.7MB in the beginning and 205.5MB in the end (delta: 39.8MB). Free memory was 99.7MB in the beginning and 157.4MB in the end (delta: -57.7MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2023-12-02 14:55:25,688 INFO L158 Benchmark]: TraceAbstraction took 999.52ms. Allocated memory is still 205.5MB. Free memory was 156.3MB in the beginning and 118.6MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-02 14:55:25,688 INFO L158 Benchmark]: Witness Printer took 3.97ms. Allocated memory is still 205.5MB. Free memory is still 118.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:55:25,692 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 165.7MB. Free memory is still 138.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.86ms. Allocated memory is still 165.7MB. Free memory was 117.5MB in the beginning and 104.2MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.55ms. Allocated memory is still 165.7MB. Free memory was 104.2MB in the beginning and 101.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.60ms. Allocated memory is still 165.7MB. Free memory was 101.4MB in the beginning and 99.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 602.31ms. Allocated memory was 165.7MB in the beginning and 205.5MB in the end (delta: 39.8MB). Free memory was 99.7MB in the beginning and 157.4MB in the end (delta: -57.7MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * TraceAbstraction took 999.52ms. Allocated memory is still 205.5MB. Free memory was 156.3MB in the beginning and 118.6MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 3.97ms. Allocated memory is still 205.5MB. Free memory is still 118.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 69, overapproximation of someBinaryArithmeticDOUBLEoperation at line 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 56, overapproximation of someBinaryArithmeticFLOAToperation at line 48. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 3.95; [L23] unsigned char var_1_2 = 50; [L24] unsigned char var_1_3 = 10; [L25] float var_1_4 = 9999999.8; [L26] float var_1_5 = 8.6; [L27] unsigned long int var_1_6 = 10000; [L28] unsigned char var_1_7 = 1; [L29] double var_1_8 = 64.5; [L30] unsigned char var_1_9 = 0; [L31] float var_1_10 = 255.25; [L32] float var_1_11 = 7.5; [L33] float var_1_12 = 0.0; [L34] float var_1_13 = 64.8; [L35] double var_1_14 = 127.75; [L36] signed char var_1_15 = 8; [L37] signed char var_1_16 = 32; [L38] unsigned char var_1_17 = 0; [L39] unsigned char var_1_18 = 0; [L40] double var_1_19 = 2.25; [L41] unsigned char var_1_20 = 0; [L42] unsigned short int var_1_21 = 256; [L134] isInitial = 1 [L135] FCALL initially() [L136] COND TRUE 1 [L137] FCALL updateLastVariables() [L138] CALL updateVariables() [L92] var_1_2 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_3=10, var_1_4=49999999/5, var_1_5=43/5, var_1_6=10000, var_1_7=1, var_1_8=129/2, var_1_9=0] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_3=10, var_1_4=49999999/5, var_1_5=43/5, var_1_6=10000, var_1_7=1, var_1_8=129/2, var_1_9=0] [L94] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_3=10, var_1_4=49999999/5, var_1_5=43/5, var_1_6=10000, var_1_7=1, var_1_8=129/2, var_1_9=0] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_3=10, var_1_4=49999999/5, var_1_5=43/5, var_1_6=10000, var_1_7=1, var_1_8=129/2, var_1_9=0] [L95] var_1_3 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_4=49999999/5, var_1_5=43/5, var_1_6=10000, var_1_7=1, var_1_8=129/2, var_1_9=0] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_4=49999999/5, var_1_5=43/5, var_1_6=10000, var_1_7=1, var_1_8=129/2, var_1_9=0] [L97] CALL assume_abort_if_not(var_1_3 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_4=49999999/5, var_1_5=43/5, var_1_6=10000, var_1_7=1, var_1_8=129/2, var_1_9=0] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_3 <= 255) VAL [isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_4=49999999/5, var_1_5=43/5, var_1_6=10000, var_1_7=1, var_1_8=129/2, var_1_9=0] [L98] var_1_4 = __VERIFIER_nondet_float() [L99] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=43/5, var_1_6=10000, var_1_7=1, var_1_8=129/2, var_1_9=0] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=43/5, var_1_6=10000, var_1_7=1, var_1_8=129/2, var_1_9=0] [L100] var_1_5 = __VERIFIER_nondet_float() [L101] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=1, var_1_8=129/2, var_1_9=0] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=1, var_1_8=129/2, var_1_9=0] [L102] var_1_7 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_8=129/2, var_1_9=0] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_8=129/2, var_1_9=0] [L104] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_8=129/2, var_1_9=0] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_8=129/2, var_1_9=0] [L105] var_1_8 = __VERIFIER_nondet_double() [L106] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=0] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=0] [L107] var_1_9 = __VERIFIER_nondet_uchar() [L108] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0] [L109] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=0] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=0] [L110] var_1_11 = __VERIFIER_nondet_float() [L111] CALL assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=0] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1021/4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=0] [L112] CALL assume_abort_if_not(var_1_11 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=0] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_11 != 0.0F) VAL [isInitial=1, var_1_10=1021/4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=0] [L113] var_1_12 = __VERIFIER_nondet_float() [L114] CALL assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=0] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1021/4, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=0] [L115] var_1_13 = __VERIFIER_nondet_float() [L116] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=0] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=0] [L117] var_1_15 = __VERIFIER_nondet_char() [L118] CALL assume_abort_if_not(var_1_15 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=0] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_15 >= -1) VAL [isInitial=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=0] [L119] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=0] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=0] [L120] var_1_16 = __VERIFIER_nondet_char() [L121] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=0] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=0] [L122] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=0] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=0] [L123] var_1_18 = __VERIFIER_nondet_uchar() [L124] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=1, var_1_16=127, var_1_17=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=0] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=1, var_1_16=127, var_1_17=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=0] [L125] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=0] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=0] [L138] RET updateVariables() [L139] CALL step() [L46] COND FALSE !(var_1_2 <= var_1_3) [L53] var_1_1 = var_1_4 [L55] COND FALSE !(\read(var_1_7)) [L66] var_1_6 = var_1_2 [L68] COND FALSE !((var_1_5 / var_1_11) >= (var_1_8 - var_1_4)) [L71] var_1_10 = 4.2f [L73] COND FALSE !((var_1_15 - ((((0) < (var_1_16)) ? (0) : (var_1_16)))) > var_1_6) [L76] COND TRUE var_1_6 <= (var_1_16 * var_1_2) [L77] COND FALSE !((var_1_5 + var_1_1) <= 127.025f) [L80] var_1_17 = var_1_18 [L85] COND FALSE !(var_1_14 < var_1_11) [L88] var_1_20 = var_1_16 [L89] var_1_21 = var_1_16 [L139] RET step() [L140] CALL, EXPR property() [L130-L131] return ((((((((var_1_2 <= var_1_3) ? ((var_1_3 > var_1_2) ? (var_1_1 == ((float) (var_1_4 - var_1_5))) : (var_1_1 == ((float) var_1_5))) : (var_1_1 == ((float) var_1_4))) && (var_1_7 ? ((((((var_1_1) > (((((var_1_5) > (199.78)) ? (var_1_5) : (199.78))))) ? (var_1_1) : (((((var_1_5) > (199.78)) ? (var_1_5) : (199.78)))))) != (var_1_4 - var_1_8)) ? (((var_1_2 != var_1_3) || var_1_9) ? (var_1_6 == ((unsigned long int) var_1_2)) : (var_1_6 == ((unsigned long int) 5u))) : (var_1_6 == ((unsigned long int) var_1_2))) : (var_1_6 == ((unsigned long int) var_1_2)))) && (((var_1_5 / var_1_11) >= (var_1_8 - var_1_4)) ? (var_1_10 == ((float) (((((var_1_5 - (var_1_12 - var_1_13))) < (var_1_4)) ? ((var_1_5 - (var_1_12 - var_1_13))) : (var_1_4))))) : (var_1_10 == ((float) 4.2f)))) && (((var_1_15 - ((((0) < (var_1_16)) ? (0) : (var_1_16)))) > var_1_6) ? (var_1_14 == ((double) var_1_12)) : 1)) && ((var_1_6 <= (var_1_16 * var_1_2)) ? (((var_1_5 + var_1_1) <= 127.025f) ? (var_1_17 == ((unsigned char) var_1_18)) : (var_1_17 == ((unsigned char) var_1_18))) : (var_1_17 == ((unsigned char) var_1_18)))) && ((var_1_14 < var_1_11) ? (var_1_19 == ((double) (var_1_13 - 256.4))) : 1)) && (var_1_20 == ((unsigned char) var_1_16))) && (var_1_21 == ((unsigned short int) var_1_16)) ; [L140] RET, EXPR property() [L140] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=21/5, var_1_12=0, var_1_14=511/4, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=2, var_1_20=127, var_1_21=127, var_1_2=1, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=1, var_1_7=0, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=21/5, var_1_12=0, var_1_14=511/4, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=2, var_1_20=127, var_1_21=127, var_1_2=1, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=1, var_1_7=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 21, 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=43occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 14:55:25,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d381484f1da05d6ba1f8b104325630e07c954c02d7e654b9eb3ca4a77db060bc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:55:27,686 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:55:27,759 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 14:55:27,765 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:55:27,766 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:55:27,791 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:55:27,791 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:55:27,792 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:55:27,793 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:55:27,793 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:55:27,794 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:55:27,794 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:55:27,795 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:55:27,795 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:55:27,796 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:55:27,796 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:55:27,797 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:55:27,798 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:55:27,798 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:55:27,799 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:55:27,799 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:55:27,799 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:55:27,800 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:55:27,800 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:55:27,801 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 14:55:27,801 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 14:55:27,801 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 14:55:27,802 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:55:27,802 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:55:27,802 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:55:27,803 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:55:27,803 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 14:55:27,803 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:55:27,804 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:55:27,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:55:27,804 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:55:27,804 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:55:27,805 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:55:27,805 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 14:55:27,805 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 14:55:27,805 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:55:27,805 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:55:27,806 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:55:27,806 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:55:27,806 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_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d381484f1da05d6ba1f8b104325630e07c954c02d7e654b9eb3ca4a77db060bc [2023-12-02 14:55:28,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:55:28,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:55:28,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:55:28,142 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:55:28,142 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:55:28,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-2.i [2023-12-02 14:55:30,868 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:55:31,079 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:55:31,079 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-2.i [2023-12-02 14:55:31,090 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/data/45a1e50cb/d5050c3008f846c69a5d70f8a150c6cc/FLAG90fb926a2 [2023-12-02 14:55:31,103 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/data/45a1e50cb/d5050c3008f846c69a5d70f8a150c6cc [2023-12-02 14:55:31,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:55:31,107 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:55:31,108 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:55:31,109 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:55:31,112 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:55:31,113 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:55:31" (1/1) ... [2023-12-02 14:55:31,114 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bb50156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:31, skipping insertion in model container [2023-12-02 14:55:31,114 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:55:31" (1/1) ... [2023-12-02 14:55:31,141 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:55:31,267 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_63434f21-3f16-48ec-9752-0548e43f7755/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-2.i[912,925] [2023-12-02 14:55:31,318 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:55:31,334 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:55:31,344 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_63434f21-3f16-48ec-9752-0548e43f7755/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-2.i[912,925] [2023-12-02 14:55:31,374 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:55:31,390 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:55:31,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:31 WrapperNode [2023-12-02 14:55:31,391 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:55:31,392 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:55:31,392 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:55:31,392 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:55:31,397 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:31" (1/1) ... [2023-12-02 14:55:31,410 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:31" (1/1) ... [2023-12-02 14:55:31,439 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 141 [2023-12-02 14:55:31,439 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:55:31,440 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:55:31,440 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:55:31,441 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:55:31,448 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:31" (1/1) ... [2023-12-02 14:55:31,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:31" (1/1) ... [2023-12-02 14:55:31,454 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:31" (1/1) ... [2023-12-02 14:55:31,454 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:31" (1/1) ... [2023-12-02 14:55:31,466 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:31" (1/1) ... [2023-12-02 14:55:31,470 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:31" (1/1) ... [2023-12-02 14:55:31,474 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:31" (1/1) ... [2023-12-02 14:55:31,477 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:31" (1/1) ... [2023-12-02 14:55:31,482 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:55:31,483 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:55:31,483 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:55:31,483 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:55:31,484 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:31" (1/1) ... [2023-12-02 14:55:31,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:55:31,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:55:31,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:55:31,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:55:31,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:55:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 14:55:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 14:55:31,558 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 14:55:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:55:31,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:55:31,635 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:55:31,638 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:55:42,039 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:55:42,096 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:55:42,096 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 14:55:42,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:55:42 BoogieIcfgContainer [2023-12-02 14:55:42,097 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:55:42,100 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:55:42,100 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:55:42,103 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:55:42,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:55:31" (1/3) ... [2023-12-02 14:55:42,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62bda720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:55:42, skipping insertion in model container [2023-12-02 14:55:42,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:31" (2/3) ... [2023-12-02 14:55:42,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62bda720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:55:42, skipping insertion in model container [2023-12-02 14:55:42,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:55:42" (3/3) ... [2023-12-02 14:55:42,106 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-2.i [2023-12-02 14:55:42,119 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:55:42,119 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:55:42,159 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:55:42,164 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;@19e912e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:55:42,164 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:55:42,169 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 33 states have (on average 1.4545454545454546) internal successors, (48), 34 states have internal predecessors, (48), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-02 14:55:42,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-02 14:55:42,183 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:55:42,184 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:55:42,184 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:55:42,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:55:42,190 INFO L85 PathProgramCache]: Analyzing trace with hash -231186859, now seen corresponding path program 1 times [2023-12-02 14:55:42,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:55:42,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [460419777] [2023-12-02 14:55:42,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:55:42,204 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:55:42,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:55:42,206 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:55:42,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 14:55:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:55:42,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 14:55:42,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:55:42,928 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2023-12-02 14:55:42,929 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:55:42,929 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:55:42,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [460419777] [2023-12-02 14:55:42,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [460419777] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:55:42,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:55:42,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 14:55:42,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947894248] [2023-12-02 14:55:42,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:55:42,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 14:55:42,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:55:42,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 14:55:42,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 14:55:42,968 INFO L87 Difference]: Start difference. First operand has 57 states, 33 states have (on average 1.4545454545454546) internal successors, (48), 34 states have internal predecessors, (48), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-02 14:55:45,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:55:45,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:55:45,296 INFO L93 Difference]: Finished difference Result 111 states and 199 transitions. [2023-12-02 14:55:45,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 14:55:45,369 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 129 [2023-12-02 14:55:45,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:55:45,377 INFO L225 Difference]: With dead ends: 111 [2023-12-02 14:55:45,377 INFO L226 Difference]: Without dead ends: 55 [2023-12-02 14:55:45,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 14:55:45,384 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 14:55:45,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 14:55:45,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-12-02 14:55:45,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2023-12-02 14:55:45,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 32 states have (on average 1.34375) internal successors, (43), 32 states have internal predecessors, (43), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-02 14:55:45,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 85 transitions. [2023-12-02 14:55:45,426 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 85 transitions. Word has length 129 [2023-12-02 14:55:45,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:55:45,427 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 85 transitions. [2023-12-02 14:55:45,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-02 14:55:45,427 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 85 transitions. [2023-12-02 14:55:45,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-02 14:55:45,431 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:55:45,431 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:55:45,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 14:55:45,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:55:45,632 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:55:45,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:55:45,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1913163629, now seen corresponding path program 1 times [2023-12-02 14:55:45,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:55:45,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1148180625] [2023-12-02 14:55:45,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:55:45,634 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:55:45,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:55:45,636 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:55:45,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63434f21-3f16-48ec-9752-0548e43f7755/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 14:55:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:55:46,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 14:55:46,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:57:02,059 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_2~0)) (.cse4 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (and (= c_~var_1_7~0 (_ bv0 8)) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_11~0)) (fp.sub c_currentRoundingMode c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_4~0))) (= c_~var_1_6~0 .cse0) (let ((.cse2 (fp.sub c_currentRoundingMode c_~var_1_5~0 (fp.sub c_currentRoundingMode c_~var_1_12~0 c_~var_1_13~0)))) (let ((.cse1 (fp.lt .cse2 c_~var_1_4~0))) (or (and .cse1 (= c_~var_1_10~0 .cse2)) (and (= c_~var_1_4~0 c_~var_1_10~0) (not .cse1))))) (= c_~var_1_1~0 c_~var_1_4~0) (not (bvsle .cse0 ((_ zero_extend 24) c_~var_1_3~0))) (fp.geq c_~var_1_4~0 .cse3) (fp.leq c_~var_1_4~0 .cse4) (fp.geq c_~var_1_13~0 .cse3) (fp.leq c_~var_1_12~0 .cse4) (fp.geq c_~var_1_12~0 .cse3) (fp.leq c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-02 14:57:04,112 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_2~0)) (.cse4 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (and (= c_~var_1_7~0 (_ bv0 8)) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_11~0)) (fp.sub c_currentRoundingMode c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_4~0))) (= c_~var_1_6~0 .cse0) (let ((.cse2 (fp.sub c_currentRoundingMode c_~var_1_5~0 (fp.sub c_currentRoundingMode c_~var_1_12~0 c_~var_1_13~0)))) (let ((.cse1 (fp.lt .cse2 c_~var_1_4~0))) (or (and .cse1 (= c_~var_1_10~0 .cse2)) (and (= c_~var_1_4~0 c_~var_1_10~0) (not .cse1))))) (= c_~var_1_1~0 c_~var_1_4~0) (not (bvsle .cse0 ((_ zero_extend 24) c_~var_1_3~0))) (fp.geq c_~var_1_4~0 .cse3) (fp.leq c_~var_1_4~0 .cse4) (fp.geq c_~var_1_13~0 .cse3) (fp.leq c_~var_1_12~0 .cse4) (fp.geq c_~var_1_12~0 .cse3) (fp.leq c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2023-12-02 14:58:18,410 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_2~0)) (.cse4 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (and (= c_~var_1_7~0 (_ bv0 8)) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_11~0)) (fp.sub c_currentRoundingMode c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_4~0))) (= c_~var_1_6~0 .cse0) (let ((.cse2 (fp.sub c_currentRoundingMode c_~var_1_5~0 (fp.sub c_currentRoundingMode c_~var_1_12~0 c_~var_1_13~0)))) (let ((.cse1 (fp.lt .cse2 c_~var_1_4~0))) (or (and .cse1 (= c_~var_1_10~0 .cse2)) (and (= c_~var_1_4~0 c_~var_1_10~0) (not .cse1))))) (= c_~var_1_1~0 c_~var_1_4~0) (not (bvsle .cse0 ((_ zero_extend 24) c_~var_1_3~0))) (fp.geq c_~var_1_4~0 .cse3) (fp.leq c_~var_1_4~0 .cse4) (fp.geq c_~var_1_13~0 .cse3) (fp.leq c_~var_1_12~0 .cse4) (fp.geq c_~var_1_12~0 .cse3) (fp.leq c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (= c_currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0) c_~var_1_14~0))) is different from false [2023-12-02 14:58:20,472 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_2~0)) (.cse4 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (and (= c_~var_1_7~0 (_ bv0 8)) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_11~0)) (fp.sub c_currentRoundingMode c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_4~0))) (= c_~var_1_6~0 .cse0) (let ((.cse2 (fp.sub c_currentRoundingMode c_~var_1_5~0 (fp.sub c_currentRoundingMode c_~var_1_12~0 c_~var_1_13~0)))) (let ((.cse1 (fp.lt .cse2 c_~var_1_4~0))) (or (and .cse1 (= c_~var_1_10~0 .cse2)) (and (= c_~var_1_4~0 c_~var_1_10~0) (not .cse1))))) (= c_~var_1_1~0 c_~var_1_4~0) (not (bvsle .cse0 ((_ zero_extend 24) c_~var_1_3~0))) (fp.geq c_~var_1_4~0 .cse3) (fp.leq c_~var_1_4~0 .cse4) (fp.geq c_~var_1_13~0 .cse3) (fp.leq c_~var_1_12~0 .cse4) (fp.geq c_~var_1_12~0 .cse3) (fp.leq c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (= c_currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0) c_~var_1_14~0))) is different from true [2023-12-02 14:59:39,066 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_2~0)) (.cse4 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (and (= c_~var_1_7~0 (_ bv0 8)) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_11~0)) (fp.sub c_currentRoundingMode c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_4~0))) (= c_~var_1_6~0 .cse0) (let ((.cse2 (fp.sub c_currentRoundingMode c_~var_1_5~0 (fp.sub c_currentRoundingMode c_~var_1_12~0 c_~var_1_13~0)))) (let ((.cse1 (fp.lt .cse2 c_~var_1_4~0))) (or (and .cse1 (= c_~var_1_10~0 .cse2)) (and (= c_~var_1_4~0 c_~var_1_10~0) (not .cse1))))) (= c_~var_1_1~0 c_~var_1_4~0) (= c_~var_1_18~0 c_~var_1_17~0) (not (bvsle .cse0 ((_ zero_extend 24) c_~var_1_3~0))) (fp.geq c_~var_1_4~0 .cse3) (fp.leq c_~var_1_4~0 .cse4) (fp.geq c_~var_1_13~0 .cse3) (fp.leq c_~var_1_12~0 .cse4) (fp.geq c_~var_1_12~0 .cse3) (fp.leq c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (= c_currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0) c_~var_1_14~0))) is different from false [2023-12-02 14:59:41,127 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_2~0)) (.cse4 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (and (= c_~var_1_7~0 (_ bv0 8)) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_11~0)) (fp.sub c_currentRoundingMode c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_4~0))) (= c_~var_1_6~0 .cse0) (let ((.cse2 (fp.sub c_currentRoundingMode c_~var_1_5~0 (fp.sub c_currentRoundingMode c_~var_1_12~0 c_~var_1_13~0)))) (let ((.cse1 (fp.lt .cse2 c_~var_1_4~0))) (or (and .cse1 (= c_~var_1_10~0 .cse2)) (and (= c_~var_1_4~0 c_~var_1_10~0) (not .cse1))))) (= c_~var_1_1~0 c_~var_1_4~0) (= c_~var_1_18~0 c_~var_1_17~0) (not (bvsle .cse0 ((_ zero_extend 24) c_~var_1_3~0))) (fp.geq c_~var_1_4~0 .cse3) (fp.leq c_~var_1_4~0 .cse4) (fp.geq c_~var_1_13~0 .cse3) (fp.leq c_~var_1_12~0 .cse4) (fp.geq c_~var_1_12~0 .cse3) (fp.leq c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (= c_currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0) c_~var_1_14~0))) is different from true [2023-12-02 15:01:09,722 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_2~0)) (.cse4 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (and (= c_~var_1_7~0 (_ bv0 8)) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_11~0)) (fp.sub c_currentRoundingMode c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_4~0))) (= c_~var_1_6~0 .cse0) (let ((.cse2 (fp.sub c_currentRoundingMode c_~var_1_5~0 (fp.sub c_currentRoundingMode c_~var_1_12~0 c_~var_1_13~0)))) (let ((.cse1 (fp.lt .cse2 c_~var_1_4~0))) (or (and .cse1 (= c_~var_1_10~0 .cse2)) (and (= c_~var_1_4~0 c_~var_1_10~0) (not .cse1))))) (= c_~var_1_1~0 c_~var_1_4~0) (= c_~var_1_18~0 c_~var_1_17~0) (not (bvsle .cse0 ((_ zero_extend 24) c_~var_1_3~0))) (fp.geq c_~var_1_4~0 .cse3) (fp.leq c_~var_1_4~0 .cse4) (fp.geq c_~var_1_13~0 .cse3) (fp.lt c_~var_1_14~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)) (fp.leq c_~var_1_12~0 .cse4) (fp.geq c_~var_1_12~0 .cse3) (fp.leq c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (= c_~var_1_19~0 (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 1282.0 5.0)))) (= c_currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0) c_~var_1_14~0))) is different from false [2023-12-02 15:01:11,804 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_2~0)) (.cse4 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (and (= c_~var_1_7~0 (_ bv0 8)) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_11~0)) (fp.sub c_currentRoundingMode c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_4~0))) (= c_~var_1_6~0 .cse0) (let ((.cse2 (fp.sub c_currentRoundingMode c_~var_1_5~0 (fp.sub c_currentRoundingMode c_~var_1_12~0 c_~var_1_13~0)))) (let ((.cse1 (fp.lt .cse2 c_~var_1_4~0))) (or (and .cse1 (= c_~var_1_10~0 .cse2)) (and (= c_~var_1_4~0 c_~var_1_10~0) (not .cse1))))) (= c_~var_1_1~0 c_~var_1_4~0) (= c_~var_1_18~0 c_~var_1_17~0) (not (bvsle .cse0 ((_ zero_extend 24) c_~var_1_3~0))) (fp.geq c_~var_1_4~0 .cse3) (fp.leq c_~var_1_4~0 .cse4) (fp.geq c_~var_1_13~0 .cse3) (fp.lt c_~var_1_14~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)) (fp.leq c_~var_1_12~0 .cse4) (fp.geq c_~var_1_12~0 .cse3) (fp.leq c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (= c_~var_1_19~0 (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 1282.0 5.0)))) (= c_currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0) c_~var_1_14~0))) is different from true