./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-48.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/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_51f2d0a6-f4c4-497f-83d9-633bdbce4743/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-48.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/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_51f2d0a6-f4c4-497f-83d9-633bdbce4743/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 72b2e34e94e72399cddee181e25473194977354663c03fb6047043564ce603ed --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:04:29,593 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:04:29,655 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 14:04:29,659 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:04:29,660 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:04:29,684 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:04:29,685 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:04:29,685 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:04:29,686 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:04:29,687 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:04:29,687 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:04:29,688 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:04:29,688 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:04:29,689 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 14:04:29,689 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:04:29,690 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:04:29,690 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 14:04:29,691 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 14:04:29,691 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:04:29,692 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 14:04:29,692 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 14:04:29,693 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 14:04:29,694 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:04:29,694 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:04:29,694 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:04:29,695 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 14:04:29,695 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:04:29,696 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:04:29,696 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:04:29,696 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:04:29,697 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:04:29,697 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:04:29,698 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:04:29,698 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:04:29,698 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:04:29,698 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:04:29,698 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:04:29,699 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:04:29,699 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:04:29,699 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:04:29,699 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:04:29,700 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 14:04:29,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 14:04:29,700 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:04:29,700 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:04:29,700 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:04:29,701 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:04:29,701 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_51f2d0a6-f4c4-497f-83d9-633bdbce4743/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72b2e34e94e72399cddee181e25473194977354663c03fb6047043564ce603ed [2023-12-02 14:04:29,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:04:29,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:04:29,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:04:29,965 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:04:29,965 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:04:29,966 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-48.i [2023-12-02 14:04:32,693 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:04:32,861 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:04:32,861 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-48.i [2023-12-02 14:04:32,869 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/bin/utaipan-verify-nQ1chXbOIh/data/ad487d580/b988e1a0dfb64b4789638e3a046f9102/FLAGeee7728c6 [2023-12-02 14:04:32,880 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/bin/utaipan-verify-nQ1chXbOIh/data/ad487d580/b988e1a0dfb64b4789638e3a046f9102 [2023-12-02 14:04:32,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:04:32,884 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:04:32,885 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:04:32,885 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:04:32,889 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:04:32,890 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:04:32" (1/1) ... [2023-12-02 14:04:32,891 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6336d538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:32, skipping insertion in model container [2023-12-02 14:04:32,891 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:04:32" (1/1) ... [2023-12-02 14:04:32,918 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:04:33,086 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_51f2d0a6-f4c4-497f-83d9-633bdbce4743/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-48.i[913,926] [2023-12-02 14:04:33,140 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:04:33,152 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:04:33,164 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_51f2d0a6-f4c4-497f-83d9-633bdbce4743/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-48.i[913,926] [2023-12-02 14:04:33,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:04:33,207 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:04:33,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:33 WrapperNode [2023-12-02 14:04:33,207 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:04:33,208 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:04:33,208 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:04:33,208 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:04:33,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:33" (1/1) ... [2023-12-02 14:04:33,226 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:33" (1/1) ... [2023-12-02 14:04:33,258 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 144 [2023-12-02 14:04:33,259 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:04:33,259 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:04:33,260 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:04:33,260 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:04:33,269 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:33" (1/1) ... [2023-12-02 14:04:33,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:33" (1/1) ... [2023-12-02 14:04:33,272 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:33" (1/1) ... [2023-12-02 14:04:33,272 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:33" (1/1) ... [2023-12-02 14:04:33,283 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:33" (1/1) ... [2023-12-02 14:04:33,286 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:33" (1/1) ... [2023-12-02 14:04:33,288 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:33" (1/1) ... [2023-12-02 14:04:33,290 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:33" (1/1) ... [2023-12-02 14:04:33,294 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:04:33,295 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:04:33,295 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:04:33,295 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:04:33,296 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:33" (1/1) ... [2023-12-02 14:04:33,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:04:33,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:04:33,329 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:04:33,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:04:33,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:04:33,359 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 14:04:33,359 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 14:04:33,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 14:04:33,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:04:33,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:04:33,427 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:04:33,429 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:04:33,695 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:04:33,837 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:04:33,838 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 14:04:33,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:04:33 BoogieIcfgContainer [2023-12-02 14:04:33,840 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:04:33,843 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:04:33,843 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:04:33,846 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:04:33,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:04:32" (1/3) ... [2023-12-02 14:04:33,847 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2627724 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:04:33, skipping insertion in model container [2023-12-02 14:04:33,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:33" (2/3) ... [2023-12-02 14:04:33,848 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2627724 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:04:33, skipping insertion in model container [2023-12-02 14:04:33,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:04:33" (3/3) ... [2023-12-02 14:04:33,849 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-48.i [2023-12-02 14:04:33,868 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:04:33,868 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:04:33,911 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:04:33,917 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;@5d2cdae2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:04:33,917 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:04:33,920 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-02 14:04:33,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-02 14:04:33,929 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:04:33,930 INFO L195 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:04:33,930 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:04:33,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:04:33,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1251264738, now seen corresponding path program 1 times [2023-12-02 14:04:33,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:04:33,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649282575] [2023-12-02 14:04:33,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:04:33,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:04:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 14:04:34,254 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 14:04:34,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 14:04:34,491 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 14:04:34,492 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 14:04:34,493 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 14:04:34,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 14:04:34,499 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 14:04:34,503 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 14:04:34,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:04:34 BoogieIcfgContainer [2023-12-02 14:04:34,573 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 14:04:34,573 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 14:04:34,574 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 14:04:34,574 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 14:04:34,574 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:04:33" (3/4) ... [2023-12-02 14:04:34,576 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 14:04:34,577 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 14:04:34,578 INFO L158 Benchmark]: Toolchain (without parser) took 1694.27ms. Allocated memory is still 146.8MB. Free memory was 103.9MB in the beginning and 97.1MB in the end (delta: 6.8MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2023-12-02 14:04:34,579 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 107.0MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:04:34,579 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.41ms. Allocated memory is still 146.8MB. Free memory was 103.9MB in the beginning and 110.7MB in the end (delta: -6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 14:04:34,580 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.69ms. Allocated memory is still 146.8MB. Free memory was 110.7MB in the beginning and 107.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 14:04:34,581 INFO L158 Benchmark]: Boogie Preprocessor took 34.84ms. Allocated memory is still 146.8MB. Free memory was 107.4MB in the beginning and 105.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 14:04:34,581 INFO L158 Benchmark]: RCFGBuilder took 545.00ms. Allocated memory is still 146.8MB. Free memory was 105.3MB in the beginning and 70.9MB in the end (delta: 34.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-12-02 14:04:34,582 INFO L158 Benchmark]: TraceAbstraction took 730.10ms. Allocated memory is still 146.8MB. Free memory was 70.3MB in the beginning and 97.5MB in the end (delta: -27.3MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-12-02 14:04:34,582 INFO L158 Benchmark]: Witness Printer took 3.91ms. Allocated memory is still 146.8MB. Free memory was 97.5MB in the beginning and 97.1MB in the end (delta: 464.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:04:34,585 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 107.0MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.41ms. Allocated memory is still 146.8MB. Free memory was 103.9MB in the beginning and 110.7MB in the end (delta: -6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.69ms. Allocated memory is still 146.8MB. Free memory was 110.7MB in the beginning and 107.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.84ms. Allocated memory is still 146.8MB. Free memory was 107.4MB in the beginning and 105.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 545.00ms. Allocated memory is still 146.8MB. Free memory was 105.3MB in the beginning and 70.9MB in the end (delta: 34.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 730.10ms. Allocated memory is still 146.8MB. Free memory was 70.3MB in the beginning and 97.5MB in the end (delta: -27.3MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 3.91ms. Allocated memory is still 146.8MB. Free memory was 97.5MB in the beginning and 97.1MB in the end (delta: 464.2kB). 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 someBinaryDOUBLEComparisonOperation at line 45. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 10; [L23] unsigned char var_1_2 = 1; [L24] double var_1_3 = 0.0; [L25] double var_1_4 = 128.2; [L26] double var_1_5 = 50.1; [L27] double var_1_6 = 64.5; [L28] unsigned short int var_1_7 = 1; [L29] unsigned char var_1_8 = 5; [L30] double var_1_9 = 15.35; [L31] unsigned char var_1_10 = 10; [L32] unsigned char var_1_11 = 2; [L33] signed long int var_1_12 = 32; [L34] signed long int var_1_13 = 256; [L35] signed char var_1_14 = 1; [L36] unsigned char var_1_15 = 128; [L37] unsigned char var_1_16 = 0; [L38] signed char var_1_17 = -64; [L39] unsigned short int var_1_18 = 64; [L40] signed long int var_1_19 = 128; [L139] isInitial = 1 [L140] FCALL initially() [L141] COND TRUE 1 [L142] FCALL updateLastVariables() [L143] CALL updateVariables() [L96] var_1_2 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L98] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L99] var_1_3 = __VERIFIER_nondet_double() [L100] CALL assume_abort_if_not((var_1_3 >= 4611686.018427387900e+12F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not((var_1_3 >= 4611686.018427387900e+12F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L101] var_1_4 = __VERIFIER_nondet_double() [L102] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427387900e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427387900e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L103] var_1_5 = __VERIFIER_nondet_double() [L104] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L105] var_1_6 = __VERIFIER_nondet_double() [L106] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=1, var_1_8=5, var_1_9=307/20] [L107] var_1_7 = __VERIFIER_nondet_ushort() [L108] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_8=5, var_1_9=307/20] [L109] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=32767, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=32767, var_1_8=5, var_1_9=307/20] [L110] var_1_9 = __VERIFIER_nondet_double() [L111] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=32767, var_1_8=5] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=32767, var_1_8=5] [L112] CALL assume_abort_if_not(var_1_9 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=32767, var_1_8=5] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_9 != 0.0F) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=32767, var_1_8=5] [L113] var_1_10 = __VERIFIER_nondet_uchar() [L114] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=32767, var_1_8=5] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=32767, var_1_8=5] [L115] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=32767, var_1_8=5] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, var_1_10=127, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=32767, var_1_8=5] [L116] var_1_11 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=32767, var_1_8=5] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=127, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=32767, var_1_8=5] [L118] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=32767, var_1_8=5] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, var_1_10=127, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=32767, var_1_8=5] [L119] var_1_15 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_15 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=32767, var_1_8=5] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_15 >= 127) VAL [isInitial=1, var_1_10=127, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=32767, var_1_8=5] [L121] CALL assume_abort_if_not(var_1_15 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=32767, var_1_8=5] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_15 <= 255) VAL [isInitial=1, var_1_10=127, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=32767, var_1_8=5] [L122] var_1_16 = __VERIFIER_nondet_uchar() [L123] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=32767, var_1_8=5] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=127, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=32767, var_1_8=5] [L124] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=32767, var_1_8=5] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, var_1_10=127, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=32767, var_1_8=5] [L125] var_1_17 = __VERIFIER_nondet_char() [L126] CALL assume_abort_if_not(var_1_17 >= -126) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=0, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=32767, var_1_8=5] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_17 >= -126) VAL [isInitial=1, var_1_10=127, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=0, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=32767, var_1_8=5] [L127] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=0, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=32767, var_1_8=5] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, var_1_10=127, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=0, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=32767, var_1_8=5] [L128] var_1_19 = __VERIFIER_nondet_long() [L129] CALL assume_abort_if_not(var_1_19 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=0, var_1_18=64, var_1_19=-256, var_1_1=10, var_1_2=1, var_1_7=32767, var_1_8=5] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_19 >= -2147483648) VAL [isInitial=1, var_1_10=127, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=0, var_1_18=64, var_1_19=-256, var_1_1=10, var_1_2=1, var_1_7=32767, var_1_8=5] [L130] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=0, var_1_18=64, var_1_19=-256, var_1_1=10, var_1_2=1, var_1_7=32767, var_1_8=5] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, var_1_10=127, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=0, var_1_18=64, var_1_19=-256, var_1_1=10, var_1_2=1, var_1_7=32767, var_1_8=5] [L143] RET updateVariables() [L144] CALL step() [L44] COND TRUE \read(var_1_2) [L45] COND TRUE ((var_1_3 - var_1_4) - var_1_5) == (15.75 - var_1_6) [L46] var_1_1 = (5 + var_1_7) [L53] COND TRUE var_1_6 > (var_1_5 / ((((var_1_3) > (var_1_9)) ? (var_1_3) : (var_1_9)))) [L54] var_1_8 = ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))) [L62] COND TRUE \read(var_1_2) [L63] COND FALSE !(-128 > var_1_10) [L73] COND TRUE \read(var_1_2) [L74] var_1_13 = var_1_11 [L76] COND FALSE !(var_1_10 == (((((var_1_15 - var_1_16)) > (var_1_13)) ? ((var_1_15 - var_1_16)) : (var_1_13)))) [L79] var_1_14 = var_1_17 [L81] COND FALSE !(var_1_7 == var_1_12) [L84] COND TRUE var_1_14 != var_1_16 [L85] COND TRUE -256 >= var_1_19 [L86] var_1_18 = var_1_16 [L144] RET step() [L145] CALL, EXPR property() [L135-L136] return (((((var_1_2 ? ((((var_1_3 - var_1_4) - var_1_5) == (15.75 - var_1_6)) ? (var_1_1 == ((unsigned short int) (5 + var_1_7))) : (var_1_1 == ((unsigned short int) var_1_7))) : (var_1_1 == ((unsigned short int) 1))) && ((var_1_6 > (var_1_5 / ((((var_1_3) > (var_1_9)) ? (var_1_3) : (var_1_9))))) ? (var_1_8 == ((unsigned char) ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))))) : ((var_1_1 <= var_1_7) ? (var_1_8 == ((unsigned char) var_1_10)) : (var_1_8 == ((unsigned char) var_1_11))))) && (var_1_2 ? ((-128 > var_1_10) ? ((var_1_3 >= (2.75 / var_1_9)) ? (var_1_12 == ((signed long int) (var_1_11 + (var_1_1 + var_1_10)))) : (var_1_12 == ((signed long int) var_1_1))) : 1) : (var_1_12 == ((signed long int) var_1_8)))) && (var_1_2 ? (var_1_13 == ((signed long int) var_1_11)) : 1)) && ((var_1_10 == (((((var_1_15 - var_1_16)) > (var_1_13)) ? ((var_1_15 - var_1_16)) : (var_1_13)))) ? (var_1_14 == ((signed char) ((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))))) : (var_1_14 == ((signed char) var_1_17)))) && ((var_1_7 == var_1_12) ? (var_1_18 == ((unsigned short int) (var_1_10 + ((((var_1_8) < (var_1_16)) ? (var_1_8) : (var_1_16)))))) : ((var_1_14 != var_1_16) ? ((-256 >= var_1_19) ? (var_1_18 == ((unsigned short int) var_1_16)) : (var_1_18 == ((unsigned short int) var_1_15))) : (var_1_18 == ((unsigned short int) var_1_10)))) ; [L145] RET, EXPR property() [L145] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=127, var_1_11=0, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=127, var_1_16=127, var_1_17=0, var_1_18=127, var_1_19=-256, var_1_1=32772, var_1_2=1, var_1_7=32767, var_1_8=127] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=127, var_1_11=0, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=127, var_1_16=127, var_1_17=0, var_1_18=127, var_1_19=-256, var_1_1=32772, var_1_2=1, var_1_7=32767, var_1_8=127] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 22, 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=44occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 14:04:34,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/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_51f2d0a6-f4c4-497f-83d9-633bdbce4743/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-48.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/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_51f2d0a6-f4c4-497f-83d9-633bdbce4743/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 72b2e34e94e72399cddee181e25473194977354663c03fb6047043564ce603ed --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:04:36,503 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:04:36,581 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 14:04:36,587 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:04:36,588 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:04:36,615 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:04:36,616 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:04:36,616 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:04:36,617 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:04:36,617 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:04:36,618 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:04:36,618 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:04:36,619 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:04:36,620 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:04:36,620 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:04:36,621 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:04:36,622 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:04:36,622 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:04:36,622 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:04:36,623 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:04:36,623 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:04:36,624 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:04:36,625 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:04:36,625 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:04:36,626 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 14:04:36,626 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 14:04:36,626 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 14:04:36,627 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:04:36,627 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:04:36,628 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:04:36,628 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:04:36,629 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 14:04:36,629 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:04:36,629 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:04:36,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:04:36,630 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:04:36,630 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:04:36,630 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:04:36,630 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 14:04:36,631 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 14:04:36,631 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:04:36,631 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:04:36,631 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:04:36,632 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:04:36,632 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_51f2d0a6-f4c4-497f-83d9-633bdbce4743/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72b2e34e94e72399cddee181e25473194977354663c03fb6047043564ce603ed [2023-12-02 14:04:36,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:04:36,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:04:36,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:04:36,957 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:04:36,957 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:04:36,958 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-48.i [2023-12-02 14:04:39,975 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:04:40,198 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:04:40,199 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-48.i [2023-12-02 14:04:40,208 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/bin/utaipan-verify-nQ1chXbOIh/data/921793709/bf1a3faf49a6467ba3b215c0200d1257/FLAGf4fbb237e [2023-12-02 14:04:40,222 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/bin/utaipan-verify-nQ1chXbOIh/data/921793709/bf1a3faf49a6467ba3b215c0200d1257 [2023-12-02 14:04:40,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:04:40,227 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:04:40,228 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:04:40,228 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:04:40,233 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:04:40,234 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:04:40" (1/1) ... [2023-12-02 14:04:40,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75ceb981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:40, skipping insertion in model container [2023-12-02 14:04:40,235 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:04:40" (1/1) ... [2023-12-02 14:04:40,268 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:04:40,418 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_51f2d0a6-f4c4-497f-83d9-633bdbce4743/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-48.i[913,926] [2023-12-02 14:04:40,472 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:04:40,492 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:04:40,505 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_51f2d0a6-f4c4-497f-83d9-633bdbce4743/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-48.i[913,926] [2023-12-02 14:04:40,532 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:04:40,550 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:04:40,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:40 WrapperNode [2023-12-02 14:04:40,551 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:04:40,552 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:04:40,552 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:04:40,552 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:04:40,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:40" (1/1) ... [2023-12-02 14:04:40,572 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:40" (1/1) ... [2023-12-02 14:04:40,599 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 142 [2023-12-02 14:04:40,599 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:04:40,600 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:04:40,600 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:04:40,600 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:04:40,609 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:40" (1/1) ... [2023-12-02 14:04:40,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:40" (1/1) ... [2023-12-02 14:04:40,614 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:40" (1/1) ... [2023-12-02 14:04:40,614 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:40" (1/1) ... [2023-12-02 14:04:40,625 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:40" (1/1) ... [2023-12-02 14:04:40,629 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:40" (1/1) ... [2023-12-02 14:04:40,631 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:40" (1/1) ... [2023-12-02 14:04:40,633 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:40" (1/1) ... [2023-12-02 14:04:40,638 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:04:40,639 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:04:40,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:04:40,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:04:40,640 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:40" (1/1) ... [2023-12-02 14:04:40,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:04:40,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:04:40,668 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:04:40,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:04:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:04:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 14:04:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 14:04:40,704 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 14:04:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:04:40,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:04:40,795 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:04:40,797 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:04:55,461 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:04:55,514 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:04:55,514 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 14:04:55,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:04:55 BoogieIcfgContainer [2023-12-02 14:04:55,515 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:04:55,518 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:04:55,518 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:04:55,521 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:04:55,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:04:40" (1/3) ... [2023-12-02 14:04:55,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274ca62a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:04:55, skipping insertion in model container [2023-12-02 14:04:55,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:40" (2/3) ... [2023-12-02 14:04:55,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274ca62a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:04:55, skipping insertion in model container [2023-12-02 14:04:55,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:04:55" (3/3) ... [2023-12-02 14:04:55,525 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-48.i [2023-12-02 14:04:55,544 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:04:55,545 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:04:55,590 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:04:55,595 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;@5cdf0d47, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:04:55,595 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:04:55,600 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 35 states have (on average 1.4857142857142858) internal successors, (52), 36 states have internal predecessors, (52), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-02 14:04:55,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-12-02 14:04:55,615 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:04:55,616 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:04:55,616 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:04:55,622 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:04:55,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1737993867, now seen corresponding path program 1 times [2023-12-02 14:04:55,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:04:55,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1658023376] [2023-12-02 14:04:55,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:04:55,634 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:04:55,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:04:55,636 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:04:55,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 14:04:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:04:57,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 14:04:57,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:04:57,433 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 482 proven. 0 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2023-12-02 14:04:57,433 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:04:57,434 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:04:57,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1658023376] [2023-12-02 14:04:57,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1658023376] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:04:57,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:04:57,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 14:04:57,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674185274] [2023-12-02 14:04:57,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:04:57,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 14:04:57,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:04:57,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 14:04:57,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 14:04:57,474 INFO L87 Difference]: Start difference. First operand has 60 states, 35 states have (on average 1.4857142857142858) internal successors, (52), 36 states have internal predecessors, (52), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-12-02 14:05:01,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:05:01,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:05:01,263 INFO L93 Difference]: Finished difference Result 116 states and 210 transitions. [2023-12-02 14:05:01,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 14:05:01,694 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 134 [2023-12-02 14:05:01,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:05:01,702 INFO L225 Difference]: With dead ends: 116 [2023-12-02 14:05:01,702 INFO L226 Difference]: Without dead ends: 57 [2023-12-02 14:05:01,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 14:05:01,709 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-12-02 14:05:01,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2023-12-02 14:05:01,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-12-02 14:05:01,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-12-02 14:05:01,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 33 states have internal predecessors, (44), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-02 14:05:01,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 88 transitions. [2023-12-02 14:05:01,756 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 88 transitions. Word has length 134 [2023-12-02 14:05:01,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:05:01,756 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 88 transitions. [2023-12-02 14:05:01,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-12-02 14:05:01,757 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 88 transitions. [2023-12-02 14:05:01,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-12-02 14:05:01,761 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:05:01,761 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:05:01,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 14:05:01,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:05:01,962 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:05:01,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:05:01,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1925251795, now seen corresponding path program 1 times [2023-12-02 14:05:01,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:05:01,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1714754412] [2023-12-02 14:05:01,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:05:01,965 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:05:01,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:05:01,997 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:05:01,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 14:05:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:05:03,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 14:05:03,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:05:06,074 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-02 14:05:06,074 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:05:06,075 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:05:06,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1714754412] [2023-12-02 14:05:06,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1714754412] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:05:06,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:05:06,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 14:05:06,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777950600] [2023-12-02 14:05:06,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:05:06,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:05:06,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:05:06,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:05:06,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:05:06,079 INFO L87 Difference]: Start difference. First operand 57 states and 88 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-02 14:05:09,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.52s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:05:11,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:05:13,700 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 14:05:14,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:05:14,167 INFO L93 Difference]: Finished difference Result 169 states and 262 transitions. [2023-12-02 14:05:14,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:05:14,168 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 134 [2023-12-02 14:05:14,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:05:14,171 INFO L225 Difference]: With dead ends: 169 [2023-12-02 14:05:14,171 INFO L226 Difference]: Without dead ends: 113 [2023-12-02 14:05:14,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 132 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 14:05:14,174 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 20 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:05:14,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 166 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 3 Unknown, 0 Unchecked, 8.1s Time] [2023-12-02 14:05:14,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-12-02 14:05:14,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 111. [2023-12-02 14:05:14,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 64 states have (on average 1.328125) internal successors, (85), 64 states have internal predecessors, (85), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-12-02 14:05:14,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 173 transitions. [2023-12-02 14:05:14,214 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 173 transitions. Word has length 134 [2023-12-02 14:05:14,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:05:14,215 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 173 transitions. [2023-12-02 14:05:14,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-02 14:05:14,216 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 173 transitions. [2023-12-02 14:05:14,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-12-02 14:05:14,219 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:05:14,219 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:05:14,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/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 14:05:14,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:05:14,420 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:05:14,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:05:14,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1927098837, now seen corresponding path program 1 times [2023-12-02 14:05:14,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:05:14,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1473745215] [2023-12-02 14:05:14,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:05:14,422 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:05:14,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:05:14,423 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:05:14,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f2d0a6-f4c4-497f-83d9-633bdbce4743/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 14:05:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:05:16,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 14:05:16,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:05:22,080 WARN L293 SmtUtils]: Spent 5.92s 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 14:05:28,013 WARN L293 SmtUtils]: Spent 5.93s 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 14:05:34,023 WARN L293 SmtUtils]: Spent 6.01s 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 14:05:44,368 WARN L293 SmtUtils]: Spent 5.90s 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 14:05:56,668 WARN L293 SmtUtils]: Spent 5.96s 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 14:06:04,830 WARN L854 $PredicateComparison]: unable to prove that (and (= ((_ extract 7 0) ((_ zero_extend 24) c_~var_1_10~0)) c_~var_1_8~0) (= (_ bv0 8) c_~var_1_2~0) (let ((.cse0 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse0) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse0))) (= c_~var_1_1~0 (_ bv1 16))) is different from false [2023-12-02 14:06:07,295 WARN L876 $PredicateComparison]: unable to prove that (and (= ((_ extract 7 0) ((_ zero_extend 24) c_~var_1_10~0)) c_~var_1_8~0) (= (_ bv0 8) c_~var_1_2~0) (let ((.cse0 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse0) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse0))) (= c_~var_1_1~0 (_ bv1 16))) is different from true [2023-12-02 14:06:13,225 WARN L293 SmtUtils]: Spent 5.91s 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 14:06:19,182 WARN L293 SmtUtils]: Spent 5.96s 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 14:06:25,107 WARN L293 SmtUtils]: Spent 5.92s 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 14:06:35,472 WARN L293 SmtUtils]: Spent 5.92s 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 14:06:45,274 WARN L293 SmtUtils]: Spent 5.94s 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 14:06:51,166 WARN L293 SmtUtils]: Spent 5.89s 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 14:06:53,601 WARN L854 $PredicateComparison]: unable to prove that (and (= ((_ extract 7 0) ((_ zero_extend 24) c_~var_1_10~0)) c_~var_1_8~0) (= (_ bv0 8) c_~var_1_2~0) (let ((.cse0 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse0) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse0))) (= ((_ zero_extend 24) c_~var_1_8~0) c_~var_1_12~0) (= c_~var_1_1~0 (_ bv1 16))) is different from false [2023-12-02 14:06:56,032 WARN L876 $PredicateComparison]: unable to prove that (and (= ((_ extract 7 0) ((_ zero_extend 24) c_~var_1_10~0)) c_~var_1_8~0) (= (_ bv0 8) c_~var_1_2~0) (let ((.cse0 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse0) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse0))) (= ((_ zero_extend 24) c_~var_1_8~0) c_~var_1_12~0) (= c_~var_1_1~0 (_ bv1 16))) is different from true [2023-12-02 14:07:02,053 WARN L293 SmtUtils]: Spent 6.01s 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 14:07:07,996 WARN L293 SmtUtils]: Spent 5.94s 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 14:07:13,921 WARN L293 SmtUtils]: Spent 5.92s 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 14:07:24,301 WARN L293 SmtUtils]: Spent 5.91s 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 14:07:34,679 WARN L293 SmtUtils]: Spent 5.91s 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 14:07:40,599 WARN L293 SmtUtils]: Spent 5.92s 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 14:07:46,622 WARN L293 SmtUtils]: Spent 6.00s 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 14:07:52,605 WARN L293 SmtUtils]: Spent 5.98s 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 14:07:58,575 WARN L293 SmtUtils]: Spent 5.97s 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 14:08:04,540 WARN L293 SmtUtils]: Spent 5.96s 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 14:08:10,502 WARN L293 SmtUtils]: Spent 5.96s 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 14:08:20,939 WARN L293 SmtUtils]: Spent 5.95s 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 14:08:31,335 WARN L293 SmtUtils]: Spent 5.94s 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 14:08:37,332 WARN L293 SmtUtils]: Spent 6.00s 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 14:08:43,267 WARN L293 SmtUtils]: Spent 5.93s 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 14:08:49,192 WARN L293 SmtUtils]: Spent 5.92s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:08:55,125 WARN L293 SmtUtils]: Spent 5.93s 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 14:08:57,568 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (bvadd (bvneg ((_ zero_extend 24) c_~var_1_16~0)) ((_ zero_extend 24) c_~var_1_15~0)))) (let ((.cse3 (bvsgt .cse2 c_~var_1_13~0)) (.cse0 ((_ zero_extend 24) c_~var_1_10~0))) (and (= c_~var_1_17~0 c_~var_1_14~0) (= ((_ extract 7 0) .cse0) c_~var_1_8~0) (= (_ bv0 8) c_~var_1_2~0) (let ((.cse1 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse1) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse1))) (= ((_ zero_extend 24) c_~var_1_8~0) c_~var_1_12~0) (or (not (= .cse2 .cse0)) (not .cse3)) (or .cse3 (not (= c_~var_1_13~0 .cse0))) (= c_~var_1_1~0 (_ bv1 16))))) is different from false [2023-12-02 14:08:59,997 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse2 (bvadd (bvneg ((_ zero_extend 24) c_~var_1_16~0)) ((_ zero_extend 24) c_~var_1_15~0)))) (let ((.cse3 (bvsgt .cse2 c_~var_1_13~0)) (.cse0 ((_ zero_extend 24) c_~var_1_10~0))) (and (= c_~var_1_17~0 c_~var_1_14~0) (= ((_ extract 7 0) .cse0) c_~var_1_8~0) (= (_ bv0 8) c_~var_1_2~0) (let ((.cse1 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse1) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse1))) (= ((_ zero_extend 24) c_~var_1_8~0) c_~var_1_12~0) (or (not (= .cse2 .cse0)) (not .cse3)) (or .cse3 (not (= c_~var_1_13~0 .cse0))) (= c_~var_1_1~0 (_ bv1 16))))) is different from true [2023-12-02 14:09:05,983 WARN L293 SmtUtils]: Spent 5.95s 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 14:09:11,943 WARN L293 SmtUtils]: Spent 5.96s 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 14:09:17,901 WARN L293 SmtUtils]: Spent 5.96s 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 14:09:23,876 WARN L293 SmtUtils]: Spent 5.97s 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 14:09:29,846 WARN L293 SmtUtils]: Spent 5.97s 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 14:09:40,260 WARN L293 SmtUtils]: Spent 5.95s 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 14:09:50,700 WARN L293 SmtUtils]: Spent 5.96s 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 14:09:56,659 WARN L293 SmtUtils]: Spent 5.96s 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 14:10:02,624 WARN L293 SmtUtils]: Spent 5.96s 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 14:10:08,581 WARN L293 SmtUtils]: Spent 5.96s 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 14:10:14,522 WARN L293 SmtUtils]: Spent 5.94s 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 14:10:20,496 WARN L293 SmtUtils]: Spent 5.97s 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 14:10:26,528 WARN L293 SmtUtils]: Spent 6.03s 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 14:10:32,514 WARN L293 SmtUtils]: Spent 5.99s 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 14:10:38,450 WARN L293 SmtUtils]: Spent 5.94s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:10:44,584 WARN L293 SmtUtils]: Spent 6.13s 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 14:10:47,048 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse6 ((_ zero_extend 24) c_~var_1_16~0))) (let ((.cse3 (bvadd (bvneg .cse6) ((_ zero_extend 24) c_~var_1_15~0)))) (let ((.cse4 (bvsgt .cse3 c_~var_1_13~0)) (.cse0 ((_ zero_extend 24) c_~var_1_10~0)) (.cse2 ((_ zero_extend 24) c_~var_1_8~0))) (and (= c_~var_1_17~0 c_~var_1_14~0) (= ((_ extract 7 0) .cse0) c_~var_1_8~0) (= (_ bv0 8) c_~var_1_2~0) (let ((.cse1 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse1) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse1))) (= .cse2 c_~var_1_12~0) (or (not (= .cse3 .cse0)) (not .cse4)) (or .cse4 (not (= c_~var_1_13~0 .cse0))) (= c_~var_1_1~0 (_ bv1 16)) (= c_~var_1_12~0 ((_ zero_extend 16) c_~var_1_7~0)) (let ((.cse5 (bvslt .cse2 .cse6))) (or (and .cse5 (= c_~var_1_18~0 ((_ extract 15 0) (bvadd .cse2 .cse0)))) (and (= c_~var_1_18~0 ((_ extract 15 0) (bvadd .cse6 .cse0))) (not .cse5)))))))) is different from false [2023-12-02 14:10:49,485 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse6 ((_ zero_extend 24) c_~var_1_16~0))) (let ((.cse3 (bvadd (bvneg .cse6) ((_ zero_extend 24) c_~var_1_15~0)))) (let ((.cse4 (bvsgt .cse3 c_~var_1_13~0)) (.cse0 ((_ zero_extend 24) c_~var_1_10~0)) (.cse2 ((_ zero_extend 24) c_~var_1_8~0))) (and (= c_~var_1_17~0 c_~var_1_14~0) (= ((_ extract 7 0) .cse0) c_~var_1_8~0) (= (_ bv0 8) c_~var_1_2~0) (let ((.cse1 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse1) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse1))) (= .cse2 c_~var_1_12~0) (or (not (= .cse3 .cse0)) (not .cse4)) (or .cse4 (not (= c_~var_1_13~0 .cse0))) (= c_~var_1_1~0 (_ bv1 16)) (= c_~var_1_12~0 ((_ zero_extend 16) c_~var_1_7~0)) (let ((.cse5 (bvslt .cse2 .cse6))) (or (and .cse5 (= c_~var_1_18~0 ((_ extract 15 0) (bvadd .cse2 .cse0)))) (and (= c_~var_1_18~0 ((_ extract 15 0) (bvadd .cse6 .cse0))) (not .cse5)))))))) is different from true