./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-62.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_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/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_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-62.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/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_9fce3dca-1943-4534-8a20-069cd610fb4f/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 b5dffede99f44b56700e49bba8b9a9a3ca731f62c8b977aafab52c5b5e08267b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:03:37,902 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:03:37,971 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 15:03:37,976 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:03:37,977 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:03:38,003 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:03:38,003 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:03:38,004 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:03:38,005 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:03:38,005 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:03:38,006 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:03:38,006 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:03:38,007 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:03:38,007 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:03:38,008 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:03:38,008 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:03:38,009 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:03:38,010 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:03:38,010 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:03:38,011 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:03:38,011 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:03:38,012 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:03:38,013 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:03:38,013 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:03:38,014 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:03:38,014 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:03:38,015 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:03:38,015 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:03:38,016 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:03:38,016 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:03:38,016 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:03:38,017 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:03:38,017 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:03:38,017 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:03:38,018 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:03:38,018 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:03:38,018 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:03:38,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:03:38,019 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:03:38,019 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:03:38,019 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:03:38,019 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:03:38,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:03:38,020 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:03:38,020 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:03:38,020 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:03:38,020 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:03:38,021 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_9fce3dca-1943-4534-8a20-069cd610fb4f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5dffede99f44b56700e49bba8b9a9a3ca731f62c8b977aafab52c5b5e08267b [2023-12-02 15:03:38,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:03:38,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:03:38,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:03:38,278 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:03:38,279 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:03:38,280 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-62.i [2023-12-02 15:03:41,198 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:03:41,387 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:03:41,387 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-62.i [2023-12-02 15:03:41,398 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/data/13c3f7498/3a4313d062e5434ea845713caa63ed5c/FLAG36ecd19b7 [2023-12-02 15:03:41,415 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/data/13c3f7498/3a4313d062e5434ea845713caa63ed5c [2023-12-02 15:03:41,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:03:41,420 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:03:41,421 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:03:41,422 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:03:41,428 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:03:41,428 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:03:41" (1/1) ... [2023-12-02 15:03:41,430 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1232f2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:41, skipping insertion in model container [2023-12-02 15:03:41,430 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:03:41" (1/1) ... [2023-12-02 15:03:41,465 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:03:41,631 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_9fce3dca-1943-4534-8a20-069cd610fb4f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-62.i[919,932] [2023-12-02 15:03:41,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:03:41,696 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:03:41,711 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-62.i[919,932] [2023-12-02 15:03:41,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:03:41,758 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:03:41,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:41 WrapperNode [2023-12-02 15:03:41,759 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:03:41,761 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:03:41,761 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:03:41,761 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:03:41,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:41" (1/1) ... [2023-12-02 15:03:41,782 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:41" (1/1) ... [2023-12-02 15:03:41,821 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 155 [2023-12-02 15:03:41,821 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:03:41,822 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:03:41,822 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:03:41,823 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:03:41,834 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:41" (1/1) ... [2023-12-02 15:03:41,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:41" (1/1) ... [2023-12-02 15:03:41,838 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:41" (1/1) ... [2023-12-02 15:03:41,838 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:41" (1/1) ... [2023-12-02 15:03:41,849 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:41" (1/1) ... [2023-12-02 15:03:41,854 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:41" (1/1) ... [2023-12-02 15:03:41,857 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:41" (1/1) ... [2023-12-02 15:03:41,859 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:41" (1/1) ... [2023-12-02 15:03:41,864 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:03:41,865 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:03:41,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:03:41,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:03:41,866 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:41" (1/1) ... [2023-12-02 15:03:41,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:03:41,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:03:41,901 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:03:41,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:03:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:03:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:03:41,940 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:03:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:03:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:03:41,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:03:42,031 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:03:42,034 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:03:42,361 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:03:42,572 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:03:42,572 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:03:42,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:03:42 BoogieIcfgContainer [2023-12-02 15:03:42,575 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:03:42,578 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:03:42,578 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:03:42,582 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:03:42,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:03:41" (1/3) ... [2023-12-02 15:03:42,583 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a069445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:03:42, skipping insertion in model container [2023-12-02 15:03:42,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:41" (2/3) ... [2023-12-02 15:03:42,584 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a069445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:03:42, skipping insertion in model container [2023-12-02 15:03:42,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:03:42" (3/3) ... [2023-12-02 15:03:42,586 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-62.i [2023-12-02 15:03:42,607 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:03:42,608 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:03:42,655 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:03:42,662 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;@539f34c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:03:42,663 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:03:42,667 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-02 15:03:42,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 15:03:42,677 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:03:42,677 INFO L195 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:03:42,678 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:03:42,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:03:42,683 INFO L85 PathProgramCache]: Analyzing trace with hash 746275377, now seen corresponding path program 1 times [2023-12-02 15:03:42,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:03:42,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374816959] [2023-12-02 15:03:42,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:03:42,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:03:42,837 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 15:03:42,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [182328719] [2023-12-02 15:03:42,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:03:42,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:03:42,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:03:42,844 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:03:42,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 15:03:43,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:03:43,367 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 15:03:43,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:03:43,510 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 15:03:43,513 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 15:03:43,515 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 15:03:43,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 15:03:43,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:03:43,722 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 15:03:43,726 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 15:03:43,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:03:43 BoogieIcfgContainer [2023-12-02 15:03:43,799 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 15:03:43,800 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 15:03:43,800 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 15:03:43,801 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 15:03:43,801 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:03:42" (3/4) ... [2023-12-02 15:03:43,803 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 15:03:43,804 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 15:03:43,805 INFO L158 Benchmark]: Toolchain (without parser) took 2385.43ms. Allocated memory was 134.2MB in the beginning and 199.2MB in the end (delta: 65.0MB). Free memory was 93.5MB in the beginning and 125.5MB in the end (delta: -31.9MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2023-12-02 15:03:43,806 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 134.2MB. Free memory was 77.3MB in the beginning and 77.1MB in the end (delta: 178.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:03:43,807 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.37ms. Allocated memory is still 134.2MB. Free memory was 93.5MB in the beginning and 80.2MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 15:03:43,808 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.87ms. Allocated memory is still 134.2MB. Free memory was 80.2MB in the beginning and 77.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 15:03:43,808 INFO L158 Benchmark]: Boogie Preprocessor took 41.91ms. Allocated memory is still 134.2MB. Free memory was 77.2MB in the beginning and 75.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 15:03:43,809 INFO L158 Benchmark]: RCFGBuilder took 709.95ms. Allocated memory was 134.2MB in the beginning and 199.2MB in the end (delta: 65.0MB). Free memory was 75.1MB in the beginning and 162.1MB in the end (delta: -87.1MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2023-12-02 15:03:43,810 INFO L158 Benchmark]: TraceAbstraction took 1221.83ms. Allocated memory is still 199.2MB. Free memory was 162.1MB in the beginning and 125.5MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-02 15:03:43,810 INFO L158 Benchmark]: Witness Printer took 4.18ms. Allocated memory is still 199.2MB. Free memory is still 125.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:03:43,814 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 134.2MB. Free memory was 77.3MB in the beginning and 77.1MB in the end (delta: 178.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.37ms. Allocated memory is still 134.2MB. Free memory was 93.5MB in the beginning and 80.2MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.87ms. Allocated memory is still 134.2MB. Free memory was 80.2MB in the beginning and 77.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.91ms. Allocated memory is still 134.2MB. Free memory was 77.2MB in the beginning and 75.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 709.95ms. Allocated memory was 134.2MB in the beginning and 199.2MB in the end (delta: 65.0MB). Free memory was 75.1MB in the beginning and 162.1MB in the end (delta: -87.1MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1221.83ms. Allocated memory is still 199.2MB. Free memory was 162.1MB in the beginning and 125.5MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 4.18ms. Allocated memory is still 199.2MB. Free memory is still 125.5MB. 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 112, overapproximation of bitwiseOr at line 52, overapproximation of someBinaryArithmeticDOUBLEoperation at line 57, overapproximation of someBinaryDOUBLEComparisonOperation at line 43. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 5.25; [L23] signed long int var_1_3 = -25; [L24] signed long int var_1_4 = -128; [L25] double var_1_6 = 2.75; [L26] double var_1_7 = 24.5; [L27] double var_1_8 = 199.5; [L28] float var_1_9 = 32.8; [L29] unsigned char var_1_10 = 1; [L30] float var_1_11 = 15.4; [L31] float var_1_12 = 0.0; [L32] unsigned long int var_1_13 = 2; [L33] float var_1_16 = 127.6; [L34] signed long int var_1_17 = 128; [L35] unsigned char var_1_19 = 10; [L36] unsigned char var_1_20 = 0; [L37] unsigned char var_1_21 = 64; [L38] double var_1_22 = 15.95; [L39] unsigned long int var_1_23 = 4127848294; [L116] isInitial = 1 [L117] FCALL initially() [L118] COND TRUE 1 [L119] FCALL updateLastVariables() [L120] CALL updateVariables() [L78] var_1_3 = __VERIFIER_nondet_long() [L79] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L80] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L81] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L82] var_1_4 = __VERIFIER_nondet_long() [L83] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L84] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L85] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L86] var_1_6 = __VERIFIER_nondet_double() [L87] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L88] var_1_7 = __VERIFIER_nondet_double() [L89] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_8=399/2, var_1_9=164/5] [L90] var_1_8 = __VERIFIER_nondet_double() [L91] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_9=164/5] [L92] var_1_10 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_9=164/5] [L94] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_9=164/5] [L95] var_1_11 = __VERIFIER_nondet_float() [L96] CALL assume_abort_if_not((var_1_11 >= -230584.3009213691390e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 2305843.009213691390e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not((var_1_11 >= -230584.3009213691390e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 2305843.009213691390e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_9=164/5] [L97] var_1_12 = __VERIFIER_nondet_float() [L98] 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=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L98] 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=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_9=164/5] [L99] var_1_20 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_9=164/5] [L101] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_9=164/5] [L102] var_1_21 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_9=164/5] [L104] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_9=164/5] [L105] var_1_23 = __VERIFIER_nondet_ulong() [L106] CALL assume_abort_if_not(var_1_23 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=1, var_1_4=2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_23 >= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=1, var_1_4=2, var_1_9=164/5] [L107] CALL assume_abort_if_not(var_1_23 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=1, var_1_4=2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_23 <= 4294967295) VAL [isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=1, var_1_4=2, var_1_9=164/5] [L120] RET updateVariables() [L121] CALL step() [L43] COND TRUE var_1_12 <= (var_1_7 * 5.8f) [L44] var_1_16 = ((((((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) < (var_1_8)) ? (((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) : (var_1_8))) [L48] COND TRUE var_1_10 || var_1_20 [L49] var_1_19 = ((((var_1_21) > (32)) ? (var_1_21) : (32))) [L51] COND FALSE !(\read(var_1_10)) [L56] COND FALSE !(var_1_19 > ((var_1_3 % var_1_4) * var_1_19)) [L59] var_1_1 = (var_1_6 - (var_1_8 + var_1_7)) [L61] COND TRUE ! var_1_10 [L62] var_1_13 = (50u + var_1_19) [L66] COND TRUE var_1_8 < (var_1_22 / var_1_12) [L67] COND FALSE !(var_1_22 > var_1_6) [L71] COND FALSE !(var_1_10 || (var_1_19 == var_1_13)) [L74] var_1_9 = ((((((var_1_12 - var_1_7) - var_1_6)) < (var_1_11)) ? (((var_1_12 - var_1_7) - var_1_6)) : (var_1_11))) [L121] RET step() [L122] CALL, EXPR property() [L112] EXPR (((((((var_1_19 > ((var_1_3 % var_1_4) * var_1_19)) ? (var_1_1 == ((double) (var_1_6 - (var_1_7 + var_1_8)))) : (var_1_1 == ((double) (var_1_6 - (var_1_8 + var_1_7))))) && ((var_1_10 || (var_1_19 == var_1_13)) ? (var_1_9 == ((float) ((127.5f - ((((var_1_8) > (var_1_7)) ? (var_1_8) : (var_1_7)))) + (16.1f + var_1_11)))) : (var_1_9 == ((float) ((((((var_1_12 - var_1_7) - var_1_6)) < (var_1_11)) ? (((var_1_12 - var_1_7) - var_1_6)) : (var_1_11))))))) && ((! var_1_10) ? (var_1_13 == ((unsigned long int) (50u + var_1_19))) : (var_1_13 == ((unsigned long int) (var_1_19 + var_1_19))))) && ((var_1_12 <= (var_1_7 * 5.8f)) ? (var_1_16 == ((float) ((((((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) < (var_1_8)) ? (((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) : (var_1_8))))) : (var_1_16 == ((float) var_1_6)))) && ((var_1_8 < (var_1_22 / var_1_12)) ? ((var_1_22 > var_1_6) ? (var_1_17 == ((signed long int) var_1_19)) : 1) : 1)) && ((var_1_10 || var_1_20) ? (var_1_19 == ((unsigned char) ((((var_1_21) > (32)) ? (var_1_21) : (32))))) : 1)) && (var_1_10 ? (((var_1_19 | var_1_19) != (var_1_23 - var_1_19)) ? (var_1_22 == ((double) 4.75)) : 1) : 1) [L112-L113] return (((((((var_1_19 > ((var_1_3 % var_1_4) * var_1_19)) ? (var_1_1 == ((double) (var_1_6 - (var_1_7 + var_1_8)))) : (var_1_1 == ((double) (var_1_6 - (var_1_8 + var_1_7))))) && ((var_1_10 || (var_1_19 == var_1_13)) ? (var_1_9 == ((float) ((127.5f - ((((var_1_8) > (var_1_7)) ? (var_1_8) : (var_1_7)))) + (16.1f + var_1_11)))) : (var_1_9 == ((float) ((((((var_1_12 - var_1_7) - var_1_6)) < (var_1_11)) ? (((var_1_12 - var_1_7) - var_1_6)) : (var_1_11))))))) && ((! var_1_10) ? (var_1_13 == ((unsigned long int) (50u + var_1_19))) : (var_1_13 == ((unsigned long int) (var_1_19 + var_1_19))))) && ((var_1_12 <= (var_1_7 * 5.8f)) ? (var_1_16 == ((float) ((((((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) < (var_1_8)) ? (((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) : (var_1_8))))) : (var_1_16 == ((float) var_1_6)))) && ((var_1_8 < (var_1_22 / var_1_12)) ? ((var_1_22 > var_1_6) ? (var_1_17 == ((signed long int) var_1_19)) : 1) : 1)) && ((var_1_10 || var_1_20) ? (var_1_19 == ((unsigned char) ((((var_1_21) > (32)) ? (var_1_21) : (32))))) : 1)) && (var_1_10 ? (((var_1_19 | var_1_19) != (var_1_23 - var_1_19)) ? (var_1_22 == ((double) 4.75)) : 1) : 1) ; [L122] RET, EXPR property() [L122] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=82, var_1_16=2, var_1_17=128, var_1_19=32, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=0, var_1_8=0, var_1_9=3] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=82, var_1_16=2, var_1_17=128, var_1_19=32, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=0, var_1_8=0, var_1_9=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 19, 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=39occurred 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, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 15:03:43,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/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_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/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_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-62.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/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_9fce3dca-1943-4534-8a20-069cd610fb4f/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 b5dffede99f44b56700e49bba8b9a9a3ca731f62c8b977aafab52c5b5e08267b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:03:45,868 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:03:45,952 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 15:03:45,958 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:03:45,959 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:03:45,990 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:03:45,991 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:03:45,991 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:03:45,992 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:03:45,993 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:03:45,993 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:03:45,994 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:03:45,994 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:03:45,995 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:03:45,996 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:03:45,996 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:03:45,997 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:03:45,998 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:03:45,998 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:03:45,999 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:03:45,999 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:03:46,000 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:03:46,001 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:03:46,001 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:03:46,002 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 15:03:46,002 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 15:03:46,003 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 15:03:46,003 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:03:46,004 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:03:46,004 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:03:46,005 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:03:46,005 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 15:03:46,006 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:03:46,006 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:03:46,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:03:46,006 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:03:46,007 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:03:46,007 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:03:46,007 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 15:03:46,007 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 15:03:46,008 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:03:46,008 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:03:46,008 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:03:46,008 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:03:46,009 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_9fce3dca-1943-4534-8a20-069cd610fb4f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5dffede99f44b56700e49bba8b9a9a3ca731f62c8b977aafab52c5b5e08267b [2023-12-02 15:03:46,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:03:46,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:03:46,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:03:46,346 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:03:46,347 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:03:46,348 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-62.i [2023-12-02 15:03:49,258 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:03:49,504 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:03:49,504 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-62.i [2023-12-02 15:03:49,516 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/data/049b891f1/1174d950cd4b402a8f6c06ef43bbbfae/FLAG3b51318ee [2023-12-02 15:03:49,533 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/data/049b891f1/1174d950cd4b402a8f6c06ef43bbbfae [2023-12-02 15:03:49,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:03:49,537 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:03:49,538 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:03:49,539 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:03:49,545 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:03:49,546 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:03:49" (1/1) ... [2023-12-02 15:03:49,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@763ddee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:49, skipping insertion in model container [2023-12-02 15:03:49,547 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:03:49" (1/1) ... [2023-12-02 15:03:49,588 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:03:49,771 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_9fce3dca-1943-4534-8a20-069cd610fb4f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-62.i[919,932] [2023-12-02 15:03:49,825 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:03:49,844 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:03:49,859 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_9fce3dca-1943-4534-8a20-069cd610fb4f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-62.i[919,932] [2023-12-02 15:03:49,888 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:03:49,909 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:03:49,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:49 WrapperNode [2023-12-02 15:03:49,910 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:03:49,911 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:03:49,911 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:03:49,911 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:03:49,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:49" (1/1) ... [2023-12-02 15:03:49,935 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:49" (1/1) ... [2023-12-02 15:03:49,968 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 124 [2023-12-02 15:03:49,968 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:03:49,969 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:03:49,969 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:03:49,969 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:03:49,980 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:49" (1/1) ... [2023-12-02 15:03:49,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:49" (1/1) ... [2023-12-02 15:03:49,986 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:49" (1/1) ... [2023-12-02 15:03:49,986 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:49" (1/1) ... [2023-12-02 15:03:49,998 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:49" (1/1) ... [2023-12-02 15:03:50,002 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:49" (1/1) ... [2023-12-02 15:03:50,006 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:49" (1/1) ... [2023-12-02 15:03:50,008 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:49" (1/1) ... [2023-12-02 15:03:50,014 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:03:50,015 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:03:50,015 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:03:50,015 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:03:50,016 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:49" (1/1) ... [2023-12-02 15:03:50,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:03:50,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:03:50,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:03:50,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:03:50,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:03:50,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 15:03:50,102 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:03:50,102 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:03:50,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:03:50,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:03:50,194 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:03:50,197 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:04:07,421 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:04:07,468 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:04:07,468 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:04:07,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:04:07 BoogieIcfgContainer [2023-12-02 15:04:07,469 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:04:07,471 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:04:07,471 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:04:07,474 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:04:07,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:03:49" (1/3) ... [2023-12-02 15:04:07,475 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a7a396a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:04:07, skipping insertion in model container [2023-12-02 15:04:07,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:49" (2/3) ... [2023-12-02 15:04:07,476 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a7a396a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:04:07, skipping insertion in model container [2023-12-02 15:04:07,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:04:07" (3/3) ... [2023-12-02 15:04:07,478 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-62.i [2023-12-02 15:04:07,496 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:04:07,497 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:04:07,543 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:04:07,550 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;@729c1f2b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:04:07,550 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:04:07,554 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 31 states have internal predecessors, (44), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-02 15:04:07,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-02 15:04:07,570 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:04:07,571 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:04:07,571 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:04:07,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:04:07,578 INFO L85 PathProgramCache]: Analyzing trace with hash 2052150821, now seen corresponding path program 1 times [2023-12-02 15:04:07,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:04:07,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [725634386] [2023-12-02 15:04:07,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:04:07,594 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:04:07,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:04:07,596 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:04:07,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 15:04:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:04:09,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 15:04:09,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:04:09,353 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2023-12-02 15:04:09,353 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:04:09,354 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:04:09,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [725634386] [2023-12-02 15:04:09,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [725634386] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:04:09,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:04:09,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 15:04:09,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151738526] [2023-12-02 15:04:09,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:04:09,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 15:04:09,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:04:09,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 15:04:09,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 15:04:09,397 INFO L87 Difference]: Start difference. First operand has 52 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 31 states have internal predecessors, (44), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-02 15:04:12,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:04:12,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:04:12,887 INFO L93 Difference]: Finished difference Result 101 states and 181 transitions. [2023-12-02 15:04:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 15:04:13,246 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 118 [2023-12-02 15:04:13,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:04:13,252 INFO L225 Difference]: With dead ends: 101 [2023-12-02 15:04:13,253 INFO L226 Difference]: Without dead ends: 50 [2023-12-02 15:04:13,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 15:04:13,260 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-12-02 15:04:13,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2023-12-02 15:04:13,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-12-02 15:04:13,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-12-02 15:04:13,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 29 states have internal predecessors, (39), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-02 15:04:13,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 77 transitions. [2023-12-02 15:04:13,312 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 77 transitions. Word has length 118 [2023-12-02 15:04:13,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:04:13,313 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 77 transitions. [2023-12-02 15:04:13,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-02 15:04:13,313 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 77 transitions. [2023-12-02 15:04:13,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-02 15:04:13,317 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:04:13,317 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:04:13,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 15:04:13,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:04:13,518 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:04:13,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:04:13,519 INFO L85 PathProgramCache]: Analyzing trace with hash 107538399, now seen corresponding path program 1 times [2023-12-02 15:04:13,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:04:13,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [531795596] [2023-12-02 15:04:13,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:04:13,520 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:04:13,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:04:13,522 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:04:13,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 15:04:15,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:04:15,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 15:04:15,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:04:15,393 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-02 15:04:15,394 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:04:15,394 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:04:15,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [531795596] [2023-12-02 15:04:15,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [531795596] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:04:15,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:04:15,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:04:15,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506048817] [2023-12-02 15:04:15,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:04:15,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:04:15,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:04:15,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:04:15,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:04:15,400 INFO L87 Difference]: Start difference. First operand 50 states and 77 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-02 15:04:17,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:04:19,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:04:23,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:04:25,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:04:29,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.61s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:04:31,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:04:31,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:04:31,661 INFO L93 Difference]: Finished difference Result 129 states and 197 transitions. [2023-12-02 15:04:31,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:04:31,662 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 118 [2023-12-02 15:04:31,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:04:31,665 INFO L225 Difference]: With dead ends: 129 [2023-12-02 15:04:31,665 INFO L226 Difference]: Without dead ends: 80 [2023-12-02 15:04:31,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:04:31,669 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 39 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:04:31,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 162 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 6 Unknown, 0 Unchecked, 16.2s Time] [2023-12-02 15:04:31,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-12-02 15:04:31,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 77. [2023-12-02 15:04:31,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 46 states have (on average 1.326086956521739) internal successors, (61), 47 states have internal predecessors, (61), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-02 15:04:31,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 117 transitions. [2023-12-02 15:04:31,693 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 117 transitions. Word has length 118 [2023-12-02 15:04:31,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:04:31,695 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 117 transitions. [2023-12-02 15:04:31,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-02 15:04:31,696 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 117 transitions. [2023-12-02 15:04:31,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-02 15:04:31,699 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:04:31,699 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:04:31,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 15:04:31,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:04:31,910 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:04:31,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:04:31,912 INFO L85 PathProgramCache]: Analyzing trace with hash 50280097, now seen corresponding path program 1 times [2023-12-02 15:04:31,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:04:31,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2049124531] [2023-12-02 15:04:31,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:04:31,916 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:04:31,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:04:31,920 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:04:31,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fce3dca-1943-4534-8a20-069cd610fb4f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-02 15:04:34,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:04:34,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-02 15:04:34,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:06:38,119 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse9 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse9)) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse7 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (fp.geq c_~var_1_6~0 .cse0) (fp.geq c_~var_1_8~0 .cse0) (fp.leq c_~var_1_7~0 .cse1) (fp.geq c_~var_1_7~0 .cse0) (let ((.cse3 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_8~0))) (.cse2 (fp.gt .cse6 c_~var_1_7~0))) (or (and (not .cse2) (let ((.cse4 (fp.lt c_~var_1_7~0 c_~var_1_8~0))) (or (and .cse3 (not .cse4)) (and .cse4 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_7~0)))))) (and (let ((.cse5 (fp.lt .cse6 c_~var_1_8~0))) (or (and .cse5 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode .cse6))) (and .cse3 (not .cse5)))) .cse2))) (fp.leq .cse6 (fp.mul c_currentRoundingMode c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 29.0 5.0))))) (fp.leq c_~var_1_8~0 .cse1) (fp.leq c_~var_1_12~0 .cse7) (let ((.cse8 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (or (and (fp.leq c_~var_1_11~0 .cse8) (fp.geq c_~var_1_11~0 .cse9)) (and (fp.geq c_~var_1_11~0 (fp.neg .cse8)) (fp.leq c_~var_1_11~0 (fp.neg .cse9))))) (fp.geq c_~var_1_12~0 .cse9) (fp.leq c_~var_1_6~0 ((_ to_fp 11 53) c_currentRoundingMode .cse7)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2023-12-02 15:06:40,165 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse9 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse9)) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse7 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (fp.geq c_~var_1_6~0 .cse0) (fp.geq c_~var_1_8~0 .cse0) (fp.leq c_~var_1_7~0 .cse1) (fp.geq c_~var_1_7~0 .cse0) (let ((.cse3 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_8~0))) (.cse2 (fp.gt .cse6 c_~var_1_7~0))) (or (and (not .cse2) (let ((.cse4 (fp.lt c_~var_1_7~0 c_~var_1_8~0))) (or (and .cse3 (not .cse4)) (and .cse4 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_7~0)))))) (and (let ((.cse5 (fp.lt .cse6 c_~var_1_8~0))) (or (and .cse5 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode .cse6))) (and .cse3 (not .cse5)))) .cse2))) (fp.leq .cse6 (fp.mul c_currentRoundingMode c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 29.0 5.0))))) (fp.leq c_~var_1_8~0 .cse1) (fp.leq c_~var_1_12~0 .cse7) (let ((.cse8 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (or (and (fp.leq c_~var_1_11~0 .cse8) (fp.geq c_~var_1_11~0 .cse9)) (and (fp.geq c_~var_1_11~0 (fp.neg .cse8)) (fp.leq c_~var_1_11~0 (fp.neg .cse9))))) (fp.geq c_~var_1_12~0 .cse9) (fp.leq c_~var_1_6~0 ((_ to_fp 11 53) c_currentRoundingMode .cse7)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2023-12-02 15:08:33,134 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse11 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse11)) (.cse8 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0)) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse9 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (fp.geq c_~var_1_6~0 .cse0) (fp.geq c_~var_1_8~0 .cse0) (let ((.cse1 ((_ zero_extend 24) c_~var_1_21~0))) (let ((.cse2 (bvsgt .cse1 (_ bv32 32)))) (or (and (= c_~var_1_19~0 ((_ extract 7 0) .cse1)) .cse2) (and (= c_~var_1_19~0 (_ bv32 8)) (not .cse2))))) (fp.leq c_~var_1_7~0 .cse3) (fp.geq c_~var_1_7~0 .cse0) (let ((.cse5 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_8~0))) (.cse4 (fp.gt .cse8 c_~var_1_7~0))) (or (and (not .cse4) (let ((.cse6 (fp.lt c_~var_1_7~0 c_~var_1_8~0))) (or (and .cse5 (not .cse6)) (and .cse6 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_7~0)))))) (and (let ((.cse7 (fp.lt .cse8 c_~var_1_8~0))) (or (and .cse7 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode .cse8))) (and .cse5 (not .cse7)))) .cse4))) (fp.leq .cse8 (fp.mul c_currentRoundingMode c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 29.0 5.0))))) (fp.leq c_~var_1_8~0 .cse3) (fp.leq c_~var_1_12~0 .cse9) (let ((.cse10 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (or (and (fp.leq c_~var_1_11~0 .cse10) (fp.geq c_~var_1_11~0 .cse11)) (and (fp.geq c_~var_1_11~0 (fp.neg .cse10)) (fp.leq c_~var_1_11~0 (fp.neg .cse11))))) (fp.geq c_~var_1_12~0 .cse11) (fp.leq c_~var_1_6~0 ((_ to_fp 11 53) c_currentRoundingMode .cse9)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2023-12-02 15:08:35,182 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse11 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse11)) (.cse8 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0)) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse9 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (fp.geq c_~var_1_6~0 .cse0) (fp.geq c_~var_1_8~0 .cse0) (let ((.cse1 ((_ zero_extend 24) c_~var_1_21~0))) (let ((.cse2 (bvsgt .cse1 (_ bv32 32)))) (or (and (= c_~var_1_19~0 ((_ extract 7 0) .cse1)) .cse2) (and (= c_~var_1_19~0 (_ bv32 8)) (not .cse2))))) (fp.leq c_~var_1_7~0 .cse3) (fp.geq c_~var_1_7~0 .cse0) (let ((.cse5 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_8~0))) (.cse4 (fp.gt .cse8 c_~var_1_7~0))) (or (and (not .cse4) (let ((.cse6 (fp.lt c_~var_1_7~0 c_~var_1_8~0))) (or (and .cse5 (not .cse6)) (and .cse6 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_7~0)))))) (and (let ((.cse7 (fp.lt .cse8 c_~var_1_8~0))) (or (and .cse7 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode .cse8))) (and .cse5 (not .cse7)))) .cse4))) (fp.leq .cse8 (fp.mul c_currentRoundingMode c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 29.0 5.0))))) (fp.leq c_~var_1_8~0 .cse3) (fp.leq c_~var_1_12~0 .cse9) (let ((.cse10 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (or (and (fp.leq c_~var_1_11~0 .cse10) (fp.geq c_~var_1_11~0 .cse11)) (and (fp.geq c_~var_1_11~0 (fp.neg .cse10)) (fp.leq c_~var_1_11~0 (fp.neg .cse11))))) (fp.geq c_~var_1_12~0 .cse11) (fp.leq c_~var_1_6~0 ((_ to_fp 11 53) c_currentRoundingMode .cse9)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2023-12-02 15:12:31,669 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse11 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse11)) (.cse8 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0)) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse9 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (fp.geq c_~var_1_6~0 .cse0) (fp.geq c_~var_1_8~0 .cse0) (let ((.cse1 ((_ zero_extend 24) c_~var_1_21~0))) (let ((.cse2 (bvsgt .cse1 (_ bv32 32)))) (or (and (= c_~var_1_19~0 ((_ extract 7 0) .cse1)) .cse2) (and (= c_~var_1_19~0 (_ bv32 8)) (not .cse2))))) (fp.leq c_~var_1_7~0 .cse3) (fp.geq c_~var_1_7~0 .cse0) (let ((.cse5 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_8~0))) (.cse4 (fp.gt .cse8 c_~var_1_7~0))) (or (and (not .cse4) (let ((.cse6 (fp.lt c_~var_1_7~0 c_~var_1_8~0))) (or (and .cse5 (not .cse6)) (and .cse6 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_7~0)))))) (and (let ((.cse7 (fp.lt .cse8 c_~var_1_8~0))) (or (and .cse7 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode .cse8))) (and .cse5 (not .cse7)))) .cse4))) (fp.leq .cse8 (fp.mul c_currentRoundingMode c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 29.0 5.0))))) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_6~0 (fp.add c_currentRoundingMode c_~var_1_7~0 c_~var_1_8~0))) (fp.leq c_~var_1_8~0 .cse3) (fp.leq c_~var_1_12~0 .cse9) (let ((.cse10 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (or (and (fp.leq c_~var_1_11~0 .cse10) (fp.geq c_~var_1_11~0 .cse11)) (and (fp.geq c_~var_1_11~0 (fp.neg .cse10)) (fp.leq c_~var_1_11~0 (fp.neg .cse11))))) (fp.geq c_~var_1_12~0 .cse11) (fp.leq c_~var_1_6~0 ((_ to_fp 11 53) c_currentRoundingMode .cse9)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2023-12-02 15:12:33,723 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse11 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse11)) (.cse8 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0)) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse9 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (fp.geq c_~var_1_6~0 .cse0) (fp.geq c_~var_1_8~0 .cse0) (let ((.cse1 ((_ zero_extend 24) c_~var_1_21~0))) (let ((.cse2 (bvsgt .cse1 (_ bv32 32)))) (or (and (= c_~var_1_19~0 ((_ extract 7 0) .cse1)) .cse2) (and (= c_~var_1_19~0 (_ bv32 8)) (not .cse2))))) (fp.leq c_~var_1_7~0 .cse3) (fp.geq c_~var_1_7~0 .cse0) (let ((.cse5 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_8~0))) (.cse4 (fp.gt .cse8 c_~var_1_7~0))) (or (and (not .cse4) (let ((.cse6 (fp.lt c_~var_1_7~0 c_~var_1_8~0))) (or (and .cse5 (not .cse6)) (and .cse6 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_7~0)))))) (and (let ((.cse7 (fp.lt .cse8 c_~var_1_8~0))) (or (and .cse7 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode .cse8))) (and .cse5 (not .cse7)))) .cse4))) (fp.leq .cse8 (fp.mul c_currentRoundingMode c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 29.0 5.0))))) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_6~0 (fp.add c_currentRoundingMode c_~var_1_7~0 c_~var_1_8~0))) (fp.leq c_~var_1_8~0 .cse3) (fp.leq c_~var_1_12~0 .cse9) (let ((.cse10 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (or (and (fp.leq c_~var_1_11~0 .cse10) (fp.geq c_~var_1_11~0 .cse11)) (and (fp.geq c_~var_1_11~0 (fp.neg .cse10)) (fp.leq c_~var_1_11~0 (fp.neg .cse11))))) (fp.geq c_~var_1_12~0 .cse11) (fp.leq c_~var_1_6~0 ((_ to_fp 11 53) c_currentRoundingMode .cse9)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2023-12-02 15:14:48,098 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse11 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse11)) (.cse8 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0)) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse9 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (fp.geq c_~var_1_6~0 .cse0) (= (bvadd ((_ zero_extend 24) c_~var_1_19~0) (_ bv50 32)) c_~var_1_13~0) (fp.geq c_~var_1_8~0 .cse0) (let ((.cse1 ((_ zero_extend 24) c_~var_1_21~0))) (let ((.cse2 (bvsgt .cse1 (_ bv32 32)))) (or (and (= c_~var_1_19~0 ((_ extract 7 0) .cse1)) .cse2) (and (= c_~var_1_19~0 (_ bv32 8)) (not .cse2))))) (fp.leq c_~var_1_7~0 .cse3) (fp.geq c_~var_1_7~0 .cse0) (let ((.cse5 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_8~0))) (.cse4 (fp.gt .cse8 c_~var_1_7~0))) (or (and (not .cse4) (let ((.cse6 (fp.lt c_~var_1_7~0 c_~var_1_8~0))) (or (and .cse5 (not .cse6)) (and .cse6 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_7~0)))))) (and (let ((.cse7 (fp.lt .cse8 c_~var_1_8~0))) (or (and .cse7 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode .cse8))) (and .cse5 (not .cse7)))) .cse4))) (fp.leq .cse8 (fp.mul c_currentRoundingMode c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 29.0 5.0))))) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_6~0 (fp.add c_currentRoundingMode c_~var_1_7~0 c_~var_1_8~0))) (fp.leq c_~var_1_8~0 .cse3) (fp.leq c_~var_1_12~0 .cse9) (let ((.cse10 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (or (and (fp.leq c_~var_1_11~0 .cse10) (fp.geq c_~var_1_11~0 .cse11)) (and (fp.geq c_~var_1_11~0 (fp.neg .cse10)) (fp.leq c_~var_1_11~0 (fp.neg .cse11))))) (fp.geq c_~var_1_12~0 .cse11) (fp.leq c_~var_1_6~0 ((_ to_fp 11 53) c_currentRoundingMode .cse9)) (= c_~var_1_10~0 (_ bv0 8)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2023-12-02 15:14:50,158 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse11 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse11)) (.cse8 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0)) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse9 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (fp.geq c_~var_1_6~0 .cse0) (= (bvadd ((_ zero_extend 24) c_~var_1_19~0) (_ bv50 32)) c_~var_1_13~0) (fp.geq c_~var_1_8~0 .cse0) (let ((.cse1 ((_ zero_extend 24) c_~var_1_21~0))) (let ((.cse2 (bvsgt .cse1 (_ bv32 32)))) (or (and (= c_~var_1_19~0 ((_ extract 7 0) .cse1)) .cse2) (and (= c_~var_1_19~0 (_ bv32 8)) (not .cse2))))) (fp.leq c_~var_1_7~0 .cse3) (fp.geq c_~var_1_7~0 .cse0) (let ((.cse5 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_8~0))) (.cse4 (fp.gt .cse8 c_~var_1_7~0))) (or (and (not .cse4) (let ((.cse6 (fp.lt c_~var_1_7~0 c_~var_1_8~0))) (or (and .cse5 (not .cse6)) (and .cse6 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_7~0)))))) (and (let ((.cse7 (fp.lt .cse8 c_~var_1_8~0))) (or (and .cse7 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode .cse8))) (and .cse5 (not .cse7)))) .cse4))) (fp.leq .cse8 (fp.mul c_currentRoundingMode c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 29.0 5.0))))) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_6~0 (fp.add c_currentRoundingMode c_~var_1_7~0 c_~var_1_8~0))) (fp.leq c_~var_1_8~0 .cse3) (fp.leq c_~var_1_12~0 .cse9) (let ((.cse10 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (or (and (fp.leq c_~var_1_11~0 .cse10) (fp.geq c_~var_1_11~0 .cse11)) (and (fp.geq c_~var_1_11~0 (fp.neg .cse10)) (fp.leq c_~var_1_11~0 (fp.neg .cse11))))) (fp.geq c_~var_1_12~0 .cse11) (fp.leq c_~var_1_6~0 ((_ to_fp 11 53) c_currentRoundingMode .cse9)) (= c_~var_1_10~0 (_ bv0 8)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2023-12-02 15:14:55,930 WARN L293 SmtUtils]: Spent 5.72s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 15:15:01,332 WARN L293 SmtUtils]: Spent 5.40s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 15:15:06,842 WARN L293 SmtUtils]: Spent 5.51s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 15:15:12,530 WARN L293 SmtUtils]: Spent 5.69s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 15:15:18,030 WARN L293 SmtUtils]: Spent 5.50s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 15:15:23,484 WARN L293 SmtUtils]: Spent 5.45s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 15:15:28,882 WARN L293 SmtUtils]: Spent 5.40s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 15:15:34,208 WARN L293 SmtUtils]: Spent 5.33s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 15:15:39,743 WARN L293 SmtUtils]: Spent 5.53s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 15:15:45,002 WARN L293 SmtUtils]: Spent 5.26s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 15:15:50,372 WARN L293 SmtUtils]: Spent 5.37s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 15:15:55,598 WARN L293 SmtUtils]: Spent 5.22s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 15:16:00,823 WARN L293 SmtUtils]: Spent 5.22s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 15:16:06,049 WARN L293 SmtUtils]: Spent 5.23s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 15:16:11,271 WARN L293 SmtUtils]: Spent 5.22s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 15:16:16,467 WARN L293 SmtUtils]: Spent 5.20s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 15:16:21,666 WARN L293 SmtUtils]: Spent 5.20s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 15:16:26,894 WARN L293 SmtUtils]: Spent 5.23s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 15:16:32,107 WARN L293 SmtUtils]: Spent 5.21s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 15:16:37,287 WARN L293 SmtUtils]: Spent 5.18s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 15:16:42,497 WARN L293 SmtUtils]: Spent 5.21s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 15:16:47,749 WARN L293 SmtUtils]: Spent 5.25s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 15:16:57,708 WARN L293 SmtUtils]: Spent 5.23s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 15:17:02,973 WARN L293 SmtUtils]: Spent 5.26s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 15:17:08,202 WARN L293 SmtUtils]: Spent 5.23s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 15:17:13,481 WARN L293 SmtUtils]: Spent 5.28s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 15:17:18,714 WARN L293 SmtUtils]: Spent 5.23s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 15:17:23,985 WARN L293 SmtUtils]: Spent 5.27s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 15:17:29,208 WARN L293 SmtUtils]: Spent 5.22s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 15:17:34,431 WARN L293 SmtUtils]: Spent 5.22s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 15:17:39,682 WARN L293 SmtUtils]: Spent 5.25s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 15:17:41,980 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse11 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse11)) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse8 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0)) (.cse9 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (fp.geq c_~var_1_6~0 .cse0) (= (bvadd ((_ zero_extend 24) c_~var_1_19~0) (_ bv50 32)) c_~var_1_13~0) (fp.geq c_~var_1_8~0 .cse0) (let ((.cse1 ((_ zero_extend 24) c_~var_1_21~0))) (let ((.cse2 (bvsgt .cse1 (_ bv32 32)))) (or (and (= c_~var_1_19~0 ((_ extract 7 0) .cse1)) .cse2) (and (= c_~var_1_19~0 (_ bv32 8)) (not .cse2))))) (fp.leq c_~var_1_7~0 .cse3) (fp.geq c_~var_1_7~0 .cse0) (let ((.cse5 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_8~0))) (.cse4 (fp.gt .cse8 c_~var_1_7~0))) (or (and (not .cse4) (let ((.cse6 (fp.lt c_~var_1_7~0 c_~var_1_8~0))) (or (and .cse5 (not .cse6)) (and .cse6 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_7~0)))))) (and (let ((.cse7 (fp.lt .cse8 c_~var_1_8~0))) (or (and .cse7 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode .cse8))) (and .cse5 (not .cse7)))) .cse4))) (fp.leq .cse8 (fp.mul c_currentRoundingMode c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 29.0 5.0))))) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_6~0 (fp.add c_currentRoundingMode c_~var_1_7~0 c_~var_1_8~0))) (fp.leq c_~var_1_8~0 .cse3) (fp.leq c_~var_1_12~0 .cse9) (let ((.cse10 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (or (and (fp.leq c_~var_1_11~0 .cse10) (fp.geq c_~var_1_11~0 .cse11)) (and (fp.geq c_~var_1_11~0 (fp.neg .cse10)) (fp.leq c_~var_1_11~0 (fp.neg .cse11))))) (not (fp.lt c_~var_1_8~0 (fp.div c_currentRoundingMode c_~var_1_22~0 .cse8))) (fp.geq c_~var_1_12~0 .cse11) (fp.leq c_~var_1_6~0 ((_ to_fp 11 53) c_currentRoundingMode .cse9)) (= c_~var_1_10~0 (_ bv0 8)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2023-12-02 15:17:44,266 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse11 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse11)) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse8 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0)) (.cse9 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (fp.geq c_~var_1_6~0 .cse0) (= (bvadd ((_ zero_extend 24) c_~var_1_19~0) (_ bv50 32)) c_~var_1_13~0) (fp.geq c_~var_1_8~0 .cse0) (let ((.cse1 ((_ zero_extend 24) c_~var_1_21~0))) (let ((.cse2 (bvsgt .cse1 (_ bv32 32)))) (or (and (= c_~var_1_19~0 ((_ extract 7 0) .cse1)) .cse2) (and (= c_~var_1_19~0 (_ bv32 8)) (not .cse2))))) (fp.leq c_~var_1_7~0 .cse3) (fp.geq c_~var_1_7~0 .cse0) (let ((.cse5 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_8~0))) (.cse4 (fp.gt .cse8 c_~var_1_7~0))) (or (and (not .cse4) (let ((.cse6 (fp.lt c_~var_1_7~0 c_~var_1_8~0))) (or (and .cse5 (not .cse6)) (and .cse6 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_7~0)))))) (and (let ((.cse7 (fp.lt .cse8 c_~var_1_8~0))) (or (and .cse7 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode .cse8))) (and .cse5 (not .cse7)))) .cse4))) (fp.leq .cse8 (fp.mul c_currentRoundingMode c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 29.0 5.0))))) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_6~0 (fp.add c_currentRoundingMode c_~var_1_7~0 c_~var_1_8~0))) (fp.leq c_~var_1_8~0 .cse3) (fp.leq c_~var_1_12~0 .cse9) (let ((.cse10 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (or (and (fp.leq c_~var_1_11~0 .cse10) (fp.geq c_~var_1_11~0 .cse11)) (and (fp.geq c_~var_1_11~0 (fp.neg .cse10)) (fp.leq c_~var_1_11~0 (fp.neg .cse11))))) (not (fp.lt c_~var_1_8~0 (fp.div c_currentRoundingMode c_~var_1_22~0 .cse8))) (fp.geq c_~var_1_12~0 .cse11) (fp.leq c_~var_1_6~0 ((_ to_fp 11 53) c_currentRoundingMode .cse9)) (= c_~var_1_10~0 (_ bv0 8)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2023-12-02 15:17:44,274 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 444 proven. 108 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-12-02 15:17:44,274 INFO L327 TraceCheckSpWp]: Computing backward predicates...