./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-22.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/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_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/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_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/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 d8efc9d13c63d62525adf26a7e0e14c7dd115ca3cd4b07901614f0ff84e564af --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:16:24,902 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:16:24,981 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 15:16:24,985 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:16:24,985 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:16:25,009 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:16:25,009 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:16:25,010 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:16:25,011 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:16:25,011 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:16:25,012 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:16:25,012 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:16:25,013 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:16:25,013 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:16:25,014 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:16:25,014 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:16:25,015 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:16:25,015 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:16:25,016 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:16:25,016 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:16:25,017 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:16:25,020 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:16:25,020 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:16:25,021 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:16:25,021 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:16:25,022 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:16:25,022 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:16:25,023 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:16:25,023 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:16:25,023 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:16:25,024 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:16:25,024 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:16:25,024 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:16:25,024 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:16:25,025 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:16:25,025 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:16:25,025 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:16:25,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:16:25,026 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:16:25,026 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:16:25,026 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:16:25,026 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:16:25,026 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:16:25,027 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:16:25,027 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:16:25,027 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:16:25,027 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:16:25,027 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_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8efc9d13c63d62525adf26a7e0e14c7dd115ca3cd4b07901614f0ff84e564af [2023-12-02 15:16:25,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:16:25,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:16:25,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:16:25,275 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:16:25,275 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:16:25,276 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-22.i [2023-12-02 15:16:28,064 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:16:28,244 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:16:28,245 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-22.i [2023-12-02 15:16:28,255 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/data/d63a2cee7/7c8cbed7f1d84874b32c27a341c0c4f2/FLAG7b6c0e419 [2023-12-02 15:16:28,269 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/data/d63a2cee7/7c8cbed7f1d84874b32c27a341c0c4f2 [2023-12-02 15:16:28,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:16:28,273 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:16:28,274 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:16:28,275 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:16:28,280 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:16:28,280 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:16:28" (1/1) ... [2023-12-02 15:16:28,282 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17e68321 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:28, skipping insertion in model container [2023-12-02 15:16:28,282 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:16:28" (1/1) ... [2023-12-02 15:16:28,317 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:16:28,455 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_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-22.i[913,926] [2023-12-02 15:16:28,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:16:28,529 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:16:28,542 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_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-22.i[913,926] [2023-12-02 15:16:28,576 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:16:28,594 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:16:28,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:28 WrapperNode [2023-12-02 15:16:28,595 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:16:28,596 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:16:28,596 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:16:28,597 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:16:28,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:28" (1/1) ... [2023-12-02 15:16:28,616 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:28" (1/1) ... [2023-12-02 15:16:28,651 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 185 [2023-12-02 15:16:28,651 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:16:28,652 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:16:28,652 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:16:28,652 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:16:28,661 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:28" (1/1) ... [2023-12-02 15:16:28,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:28" (1/1) ... [2023-12-02 15:16:28,666 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:28" (1/1) ... [2023-12-02 15:16:28,666 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:28" (1/1) ... [2023-12-02 15:16:28,682 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:28" (1/1) ... [2023-12-02 15:16:28,686 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:28" (1/1) ... [2023-12-02 15:16:28,691 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:28" (1/1) ... [2023-12-02 15:16:28,694 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:28" (1/1) ... [2023-12-02 15:16:28,701 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:16:28,702 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:16:28,702 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:16:28,702 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:16:28,703 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:28" (1/1) ... [2023-12-02 15:16:28,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:16:28,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:16:28,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:16:28,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:16:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:16:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:16:28,767 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:16:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:16:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:16:28,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:16:28,883 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:16:28,886 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:16:29,201 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:16:29,343 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:16:29,343 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:16:29,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:16:29 BoogieIcfgContainer [2023-12-02 15:16:29,345 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:16:29,347 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:16:29,347 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:16:29,350 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:16:29,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:16:28" (1/3) ... [2023-12-02 15:16:29,351 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a0fe2c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:16:29, skipping insertion in model container [2023-12-02 15:16:29,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:28" (2/3) ... [2023-12-02 15:16:29,351 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a0fe2c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:16:29, skipping insertion in model container [2023-12-02 15:16:29,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:16:29" (3/3) ... [2023-12-02 15:16:29,353 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-22.i [2023-12-02 15:16:29,367 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:16:29,367 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:16:29,409 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:16:29,415 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;@3fdb6762, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:16:29,415 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:16:29,418 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 25 states have (on average 1.12) internal successors, (28), 26 states have internal predecessors, (28), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-02 15:16:29,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-12-02 15:16:29,431 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:16:29,431 INFO L195 NwaCegarLoop]: trace histogram [33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:16:29,432 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:16:29,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:16:29,436 INFO L85 PathProgramCache]: Analyzing trace with hash -87236480, now seen corresponding path program 1 times [2023-12-02 15:16:29,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:16:29,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440822623] [2023-12-02 15:16:29,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:16:29,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:16:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:16:29,980 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 15:16:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:16:30,325 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 15:16:30,327 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 15:16:30,328 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 15:16:30,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 15:16:30,333 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 15:16:30,337 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 15:16:30,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:16:30 BoogieIcfgContainer [2023-12-02 15:16:30,423 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 15:16:30,424 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 15:16:30,424 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 15:16:30,424 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 15:16:30,425 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:16:29" (3/4) ... [2023-12-02 15:16:30,427 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 15:16:30,428 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 15:16:30,429 INFO L158 Benchmark]: Toolchain (without parser) took 2155.90ms. Allocated memory is still 144.7MB. Free memory was 106.8MB in the beginning and 100.4MB in the end (delta: 6.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 15:16:30,429 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:16:30,430 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.10ms. Allocated memory is still 144.7MB. Free memory was 106.8MB in the beginning and 92.0MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 15:16:30,431 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.00ms. Allocated memory is still 144.7MB. Free memory was 92.0MB in the beginning and 87.2MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 15:16:30,431 INFO L158 Benchmark]: Boogie Preprocessor took 49.74ms. Allocated memory is still 144.7MB. Free memory was 87.2MB in the beginning and 85.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 15:16:30,432 INFO L158 Benchmark]: RCFGBuilder took 642.64ms. Allocated memory is still 144.7MB. Free memory was 85.1MB in the beginning and 72.4MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 15:16:30,432 INFO L158 Benchmark]: TraceAbstraction took 1076.16ms. Allocated memory is still 144.7MB. Free memory was 71.8MB in the beginning and 101.4MB in the end (delta: -29.7MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2023-12-02 15:16:30,433 INFO L158 Benchmark]: Witness Printer took 4.27ms. Allocated memory is still 144.7MB. Free memory is still 100.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:16:30,436 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.10ms. Allocated memory is still 144.7MB. Free memory was 106.8MB in the beginning and 92.0MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.00ms. Allocated memory is still 144.7MB. Free memory was 92.0MB in the beginning and 87.2MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.74ms. Allocated memory is still 144.7MB. Free memory was 87.2MB in the beginning and 85.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 642.64ms. Allocated memory is still 144.7MB. Free memory was 85.1MB in the beginning and 72.4MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1076.16ms. Allocated memory is still 144.7MB. Free memory was 71.8MB in the beginning and 101.4MB in the end (delta: -29.7MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. * Witness Printer took 4.27ms. Allocated memory is still 144.7MB. Free memory is still 100.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 52, overapproximation of shiftLeft at line 57, overapproximation of someBinaryArithmeticDOUBLEoperation at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 67. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 128; [L23] float var_1_2 = 0.625; [L24] float var_1_3 = 1000000000000.5; [L25] unsigned short int var_1_4 = 256; [L26] unsigned short int var_1_5 = 100; [L27] unsigned short int var_1_6 = 10000; [L28] unsigned short int var_1_7 = 10000; [L29] unsigned short int var_1_8 = 128; [L30] unsigned short int var_1_9 = 8; [L31] unsigned char var_1_10 = 100; [L32] unsigned char var_1_11 = 64; [L33] unsigned char var_1_12 = 16; [L34] unsigned short int var_1_13 = 256; [L35] unsigned char var_1_14 = 1; [L36] unsigned short int var_1_15 = 256; [L37] unsigned short int var_1_16 = 1; [L38] unsigned short int var_1_17 = 4; [L39] double var_1_18 = 64.2; [L40] unsigned short int var_1_19 = 53045; [L41] double var_1_20 = 1.75; [L42] double var_1_21 = 50.35; [L43] double var_1_22 = 5.5; [L44] double var_1_23 = 7.125; [L45] unsigned long int var_1_24 = 50; [L46] unsigned long int var_1_25 = 1907531378; [L47] unsigned long int var_1_26 = 8; [L48] unsigned char var_1_27 = 0; [L148] isInitial = 1 [L149] FCALL initially() [L150] COND TRUE 1 [L151] FCALL updateLastVariables() [L152] CALL updateVariables() [L88] var_1_2 = __VERIFIER_nondet_float() [L89] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_3=2000000000001/2, var_1_4=256, var_1_5=100, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_3=2000000000001/2, var_1_4=256, var_1_5=100, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L90] var_1_3 = __VERIFIER_nondet_float() [L91] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && 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=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=256, var_1_5=100, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=256, var_1_5=100, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L92] var_1_4 = __VERIFIER_nondet_ushort() [L93] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_5=100, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_5=100, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L94] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=100, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=100, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L95] var_1_5 = __VERIFIER_nondet_ushort() [L96] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L97] CALL assume_abort_if_not(var_1_5 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_5 <= 65534) VAL [isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L98] var_1_6 = __VERIFIER_nondet_ushort() [L99] CALL assume_abort_if_not(var_1_6 >= 8191) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_6 >= 8191) VAL [isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=10000, var_1_8=128, var_1_9=8] [L100] CALL assume_abort_if_not(var_1_6 <= 16384) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_6 <= 16384) VAL [isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=10000, var_1_8=128, var_1_9=8] [L101] var_1_7 = __VERIFIER_nondet_ushort() [L102] CALL assume_abort_if_not(var_1_7 >= 8192) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_7 >= 8192) VAL [isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=128, var_1_9=8] [L103] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=128, var_1_9=8] [L104] var_1_8 = __VERIFIER_nondet_ushort() [L105] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_9=8] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_9=8] [L106] CALL assume_abort_if_not(var_1_8 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=8] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_8 <= 16383) VAL [isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=8] [L107] var_1_9 = __VERIFIER_nondet_ushort() [L108] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8] [L109] CALL assume_abort_if_not(var_1_9 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_9 <= 32767) VAL [isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L110] var_1_11 = __VERIFIER_nondet_uchar() [L111] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=100, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L112] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=127, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, var_1_10=100, var_1_11=127, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L113] var_1_12 = __VERIFIER_nondet_uchar() [L114] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=127, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=127, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L115] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L116] var_1_14 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L118] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L119] var_1_15 = __VERIFIER_nondet_ushort() [L120] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=1, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=1, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L121] CALL assume_abort_if_not(var_1_15 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=1, var_1_15=7, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_15 <= 65534) VAL [isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=1, var_1_15=7, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L122] var_1_16 = __VERIFIER_nondet_ushort() [L123] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=1, var_1_15=7, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=1, var_1_15=7, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L124] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=1, var_1_15=7, var_1_16=8, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=1, var_1_15=7, var_1_16=8, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L125] var_1_18 = __VERIFIER_nondet_double() [L126] CALL assume_abort_if_not((var_1_18 >= -922337.2036854776000e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854776000e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=1, var_1_15=7, var_1_16=8, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not((var_1_18 >= -922337.2036854776000e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854776000e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=1, var_1_15=7, var_1_16=8, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L127] CALL assume_abort_if_not(var_1_18 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=1, var_1_15=7, var_1_16=8, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_18 != 0.0F) VAL [isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=1, var_1_15=7, var_1_16=8, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L128] var_1_19 = __VERIFIER_nondet_ushort() [L129] CALL assume_abort_if_not(var_1_19 >= 49150) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=1, var_1_15=7, var_1_16=8, var_1_17=4, var_1_19=49151, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_19 >= 49150) VAL [isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=1, var_1_15=7, var_1_16=8, var_1_17=4, var_1_19=49151, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L130] CALL assume_abort_if_not(var_1_19 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=1, var_1_15=7, var_1_16=8, var_1_17=4, var_1_19=49151, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_19 <= 65534) VAL [isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=1, var_1_15=7, var_1_16=8, var_1_17=4, var_1_19=49151, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L131] var_1_21 = __VERIFIER_nondet_double() [L132] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=1, var_1_15=7, var_1_16=8, var_1_17=4, var_1_19=49151, var_1_1=128, var_1_20=7/4, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=1, var_1_15=7, var_1_16=8, var_1_17=4, var_1_19=49151, var_1_1=128, var_1_20=7/4, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L133] var_1_22 = __VERIFIER_nondet_double() [L134] CALL assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=1, var_1_15=7, var_1_16=8, var_1_17=4, var_1_19=49151, var_1_1=128, var_1_20=7/4, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=1, var_1_15=7, var_1_16=8, var_1_17=4, var_1_19=49151, var_1_1=128, var_1_20=7/4, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L135] var_1_23 = __VERIFIER_nondet_double() [L136] CALL assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=1, var_1_15=7, var_1_16=8, var_1_17=4, var_1_19=49151, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=1, var_1_15=7, var_1_16=8, var_1_17=4, var_1_19=49151, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L137] var_1_25 = __VERIFIER_nondet_ulong() [L138] CALL assume_abort_if_not(var_1_25 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=1, var_1_15=7, var_1_16=8, var_1_17=4, var_1_19=49151, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_25 >= 1073741823) VAL [isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=1, var_1_15=7, var_1_16=8, var_1_17=4, var_1_19=49151, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L139] CALL assume_abort_if_not(var_1_25 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=1, var_1_15=7, var_1_16=8, var_1_17=4, var_1_19=49151, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_25 <= 2147483647) VAL [isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=1, var_1_15=7, var_1_16=8, var_1_17=4, var_1_19=49151, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L152] RET updateVariables() [L153] CALL step() [L52] COND TRUE var_1_2 < var_1_3 [L53] var_1_1 = ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))) [L57] EXPR var_1_8 << var_1_4 [L57] COND TRUE var_1_9 < (var_1_8 << var_1_4) [L58] var_1_10 = (var_1_11 + var_1_12) [L62] COND TRUE (var_1_4 <= var_1_9) || var_1_14 [L63] var_1_13 = ((((((((var_1_5) > (var_1_8)) ? (var_1_5) : (var_1_8)))) > (var_1_15)) ? (((((var_1_5) > (var_1_8)) ? (var_1_5) : (var_1_8)))) : (var_1_15))) [L67] COND TRUE (var_1_3 / var_1_18) > var_1_2 [L68] var_1_17 = ((var_1_19 - ((((var_1_10) > (var_1_12)) ? (var_1_10) : (var_1_12)))) - var_1_7) [L70] COND TRUE \read(var_1_14) [L71] var_1_20 = (((((((((var_1_21) > (var_1_22)) ? (var_1_21) : (var_1_22)))) > (16.6)) ? (((((var_1_21) > (var_1_22)) ? (var_1_21) : (var_1_22)))) : (16.6))) - var_1_23) [L75] COND FALSE !(var_1_7 == var_1_10) [L78] var_1_24 = (var_1_5 + (var_1_25 - var_1_11)) [L80] COND FALSE !(var_1_4 > (var_1_19 - var_1_7)) [L83] COND TRUE (- 3.75) < ((((var_1_3) < (var_1_22)) ? (var_1_3) : (var_1_22))) [L84] var_1_27 = 0 [L153] RET step() [L154] CALL, EXPR property() [L144] EXPR ((var_1_2 < var_1_3) ? (var_1_1 == ((unsigned short int) ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))) : (var_1_1 == ((unsigned short int) (((var_1_6 + var_1_7) - var_1_8) + var_1_9)))) && ((var_1_9 < (var_1_8 << var_1_4)) ? (var_1_10 == ((unsigned char) (var_1_11 + var_1_12))) : (var_1_10 == ((unsigned char) var_1_11))) [L144-L145] return ((((((((var_1_2 < var_1_3) ? (var_1_1 == ((unsigned short int) ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))) : (var_1_1 == ((unsigned short int) (((var_1_6 + var_1_7) - var_1_8) + var_1_9)))) && ((var_1_9 < (var_1_8 << var_1_4)) ? (var_1_10 == ((unsigned char) (var_1_11 + var_1_12))) : (var_1_10 == ((unsigned char) var_1_11)))) && (((var_1_4 <= var_1_9) || var_1_14) ? (var_1_13 == ((unsigned short int) ((((((((var_1_5) > (var_1_8)) ? (var_1_5) : (var_1_8)))) > (var_1_15)) ? (((((var_1_5) > (var_1_8)) ? (var_1_5) : (var_1_8)))) : (var_1_15))))) : (var_1_13 == ((unsigned short int) var_1_16)))) && (((var_1_3 / var_1_18) > var_1_2) ? (var_1_17 == ((unsigned short int) ((var_1_19 - ((((var_1_10) > (var_1_12)) ? (var_1_10) : (var_1_12)))) - var_1_7))) : 1)) && (var_1_14 ? (var_1_20 == ((double) (((((((((var_1_21) > (var_1_22)) ? (var_1_21) : (var_1_22)))) > (16.6)) ? (((((var_1_21) > (var_1_22)) ? (var_1_21) : (var_1_22)))) : (16.6))) - var_1_23))) : (var_1_20 == ((double) var_1_22)))) && ((var_1_7 == var_1_10) ? (var_1_24 == ((unsigned long int) (2332545940u - (1490203111u - var_1_11)))) : (var_1_24 == ((unsigned long int) (var_1_5 + (var_1_25 - var_1_11)))))) && ((var_1_4 > (var_1_19 - var_1_7)) ? (var_1_26 == ((unsigned long int) var_1_8)) : 1)) && (((- 3.75) < ((((var_1_3) < (var_1_22)) ? (var_1_3) : (var_1_22)))) ? (var_1_27 == ((unsigned char) 0)) : 1) ; [L154] RET, EXPR property() [L154] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=127, var_1_11=127, var_1_12=0, var_1_13=8, var_1_14=1, var_1_15=7, var_1_16=8, var_1_17=32641, var_1_19=49151, var_1_1=8, var_1_20=1000000000005, var_1_22=1000000000005, var_1_24=1073741704, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=127, var_1_11=127, var_1_12=0, var_1_13=8, var_1_14=1, var_1_15=7, var_1_16=8, var_1_17=32641, var_1_19=49151, var_1_1=8, var_1_20=1000000000005, var_1_22=1000000000005, var_1_24=1073741704, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=32768, var_1_5=8, var_1_6=16384, var_1_7=16383, var_1_8=8, var_1_9=32767] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 33, 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=61occurred 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, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 15:16:30,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/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_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/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_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/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 d8efc9d13c63d62525adf26a7e0e14c7dd115ca3cd4b07901614f0ff84e564af --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:16:32,386 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:16:32,467 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 15:16:32,472 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:16:32,473 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:16:32,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:16:32,498 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:16:32,499 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:16:32,499 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:16:32,500 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:16:32,501 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:16:32,501 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:16:32,502 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:16:32,502 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:16:32,503 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:16:32,503 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:16:32,504 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:16:32,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:16:32,505 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:16:32,506 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:16:32,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:16:32,507 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:16:32,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:16:32,508 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:16:32,508 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 15:16:32,509 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 15:16:32,509 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 15:16:32,510 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:16:32,510 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:16:32,511 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:16:32,511 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:16:32,511 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 15:16:32,512 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:16:32,512 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:16:32,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:16:32,512 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:16:32,513 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:16:32,513 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:16:32,513 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 15:16:32,513 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 15:16:32,513 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:16:32,514 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:16:32,514 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:16:32,514 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:16:32,514 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_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8efc9d13c63d62525adf26a7e0e14c7dd115ca3cd4b07901614f0ff84e564af [2023-12-02 15:16:32,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:16:32,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:16:32,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:16:32,835 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:16:32,835 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:16:32,837 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-22.i [2023-12-02 15:16:35,629 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:16:35,852 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:16:35,853 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-22.i [2023-12-02 15:16:35,866 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/data/4f2015b73/e0bae27cb8ac482188d52e684958b86f/FLAG959be6824 [2023-12-02 15:16:35,879 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/data/4f2015b73/e0bae27cb8ac482188d52e684958b86f [2023-12-02 15:16:35,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:16:35,883 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:16:35,884 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:16:35,884 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:16:35,888 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:16:35,889 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:16:35" (1/1) ... [2023-12-02 15:16:35,890 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5480fac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:35, skipping insertion in model container [2023-12-02 15:16:35,890 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:16:35" (1/1) ... [2023-12-02 15:16:35,920 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:16:36,075 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_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-22.i[913,926] [2023-12-02 15:16:36,138 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:16:36,155 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:16:36,169 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_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-22.i[913,926] [2023-12-02 15:16:36,201 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:16:36,221 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:16:36,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:36 WrapperNode [2023-12-02 15:16:36,222 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:16:36,223 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:16:36,223 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:16:36,223 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:16:36,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:36" (1/1) ... [2023-12-02 15:16:36,245 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:36" (1/1) ... [2023-12-02 15:16:36,276 INFO L138 Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 172 [2023-12-02 15:16:36,276 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:16:36,277 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:16:36,277 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:16:36,277 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:16:36,287 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:36" (1/1) ... [2023-12-02 15:16:36,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:36" (1/1) ... [2023-12-02 15:16:36,292 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:36" (1/1) ... [2023-12-02 15:16:36,293 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:36" (1/1) ... [2023-12-02 15:16:36,305 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:36" (1/1) ... [2023-12-02 15:16:36,309 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:36" (1/1) ... [2023-12-02 15:16:36,313 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:36" (1/1) ... [2023-12-02 15:16:36,315 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:36" (1/1) ... [2023-12-02 15:16:36,320 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:16:36,321 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:16:36,321 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:16:36,321 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:16:36,322 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:36" (1/1) ... [2023-12-02 15:16:36,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:16:36,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:16:36,351 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:16:36,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:16:36,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:16:36,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 15:16:36,388 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:16:36,388 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:16:36,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:16:36,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:16:36,472 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:16:36,474 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:16:44,476 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:16:44,530 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:16:44,530 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:16:44,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:16:44 BoogieIcfgContainer [2023-12-02 15:16:44,531 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:16:44,533 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:16:44,533 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:16:44,536 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:16:44,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:16:35" (1/3) ... [2023-12-02 15:16:44,536 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ba5db75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:16:44, skipping insertion in model container [2023-12-02 15:16:44,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:36" (2/3) ... [2023-12-02 15:16:44,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ba5db75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:16:44, skipping insertion in model container [2023-12-02 15:16:44,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:16:44" (3/3) ... [2023-12-02 15:16:44,539 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-22.i [2023-12-02 15:16:44,553 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:16:44,553 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:16:44,595 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:16:44,601 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;@731d0716, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:16:44,602 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:16:44,606 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 38 states have internal predecessors, (50), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-02 15:16:44,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-12-02 15:16:44,621 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:16:44,622 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:16:44,623 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:16:44,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:16:44,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1444991796, now seen corresponding path program 1 times [2023-12-02 15:16:44,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:16:44,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [422482765] [2023-12-02 15:16:44,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:16:44,640 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:16:44,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:16:44,672 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:16:44,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 15:16:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:16:45,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 15:16:45,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:16:45,683 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 988 proven. 0 refuted. 0 times theorem prover too weak. 1124 trivial. 0 not checked. [2023-12-02 15:16:45,683 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:16:45,684 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:16:45,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [422482765] [2023-12-02 15:16:45,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [422482765] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:16:45,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:16:45,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 15:16:45,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506302844] [2023-12-02 15:16:45,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:16:45,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 15:16:45,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:16:45,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 15:16:45,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 15:16:45,728 INFO L87 Difference]: Start difference. First operand has 73 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 38 states have internal predecessors, (50), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-12-02 15:16:49,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.58s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:16:49,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:16:49,372 INFO L93 Difference]: Finished difference Result 143 states and 263 transitions. [2023-12-02 15:16:49,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 15:16:49,777 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 197 [2023-12-02 15:16:49,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:16:49,785 INFO L225 Difference]: With dead ends: 143 [2023-12-02 15:16:49,786 INFO L226 Difference]: Without dead ends: 71 [2023-12-02 15:16:49,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 15:16:49,794 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-12-02 15:16:49,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2023-12-02 15:16:49,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-12-02 15:16:49,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-12-02 15:16:49,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 36 states have (on average 1.25) internal successors, (45), 36 states have internal predecessors, (45), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-02 15:16:49,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 111 transitions. [2023-12-02 15:16:49,841 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 111 transitions. Word has length 197 [2023-12-02 15:16:49,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:16:49,842 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 111 transitions. [2023-12-02 15:16:49,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-12-02 15:16:49,843 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 111 transitions. [2023-12-02 15:16:49,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-12-02 15:16:49,848 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:16:49,848 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:16:49,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 15:16:50,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:16:50,049 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:16:50,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:16:50,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1787908726, now seen corresponding path program 1 times [2023-12-02 15:16:50,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:16:50,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1402380768] [2023-12-02 15:16:50,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:16:50,051 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:16:50,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:16:50,052 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:16:50,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 15:16:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:16:50,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 15:16:50,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:16:56,228 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 842 proven. 138 refuted. 0 times theorem prover too weak. 1132 trivial. 0 not checked. [2023-12-02 15:16:56,228 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:16:56,521 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:16:56,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1402380768] [2023-12-02 15:16:56,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1402380768] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:16:56,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2101301582] [2023-12-02 15:16:56,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:16:56,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 15:16:56,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 15:16:56,524 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 15:16:56,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 15:16:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:16:58,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 15:16:58,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:17:00,604 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 816 proven. 72 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2023-12-02 15:17:00,604 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:17:00,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2101301582] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:17:00,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380128306] [2023-12-02 15:17:00,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:17:00,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:17:00,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:17:00,748 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:17:00,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 15:17:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:17:02,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 15:17:02,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:17:05,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 816 proven. 72 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2023-12-02 15:17:05,163 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:17:05,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380128306] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:17:05,314 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 15:17:05,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 8 [2023-12-02 15:17:05,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982785232] [2023-12-02 15:17:05,316 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 15:17:05,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 15:17:05,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:17:05,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 15:17:05,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-12-02 15:17:05,321 INFO L87 Difference]: Start difference. First operand 71 states and 111 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 3 states have call successors, (56), 3 states have call predecessors, (56), 5 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2023-12-02 15:17:10,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:17:12,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:17:14,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:17:16,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:17:18,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:17:22,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:17:24,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:17:26,851 WARN L539 Checker$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 15:17:28,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:17:30,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:17:30,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:17:30,872 INFO L93 Difference]: Finished difference Result 151 states and 229 transitions. [2023-12-02 15:17:31,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 15:17:31,308 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 3 states have call successors, (56), 3 states have call predecessors, (56), 5 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) Word has length 197 [2023-12-02 15:17:31,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:17:31,311 INFO L225 Difference]: With dead ends: 151 [2023-12-02 15:17:31,311 INFO L226 Difference]: Without dead ends: 81 [2023-12-02 15:17:31,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 633 GetRequests, 621 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2023-12-02 15:17:31,313 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 38 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 19 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:17:31,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 140 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 187 Invalid, 10 Unknown, 0 Unchecked, 25.1s Time] [2023-12-02 15:17:31,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-12-02 15:17:31,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79. [2023-12-02 15:17:31,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 42 states have internal predecessors, (50), 33 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-02 15:17:31,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 116 transitions. [2023-12-02 15:17:31,336 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 116 transitions. Word has length 197 [2023-12-02 15:17:31,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:17:31,337 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 116 transitions. [2023-12-02 15:17:31,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 3 states have call successors, (56), 3 states have call predecessors, (56), 5 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2023-12-02 15:17:31,338 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 116 transitions. [2023-12-02 15:17:31,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-12-02 15:17:31,342 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:17:31,342 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:17:31,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 15:17:31,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 15:17:31,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 15:17:31,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:17:31,943 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:17:31,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:17:31,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1730650424, now seen corresponding path program 1 times [2023-12-02 15:17:31,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:17:31,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [309485971] [2023-12-02 15:17:31,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:17:31,945 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:17:31,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:17:31,946 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:17:31,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/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 (6)] Waiting until timeout for monitored process [2023-12-02 15:17:32,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:17:32,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 15:17:32,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:17:43,297 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1443 proven. 198 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2023-12-02 15:17:43,297 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:17:44,607 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:17:44,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [309485971] [2023-12-02 15:17:44,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [309485971] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:17:44,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [58152083] [2023-12-02 15:17:44,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:17:44,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 15:17:44,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 15:17:44,609 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 15:17:44,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 15:17:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:17:46,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 15:17:46,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:17:54,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1443 proven. 198 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2023-12-02 15:17:54,752 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:17:55,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [58152083] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:17:55,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572847414] [2023-12-02 15:17:55,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:17:55,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:17:55,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:17:55,171 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:17:55,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 15:17:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:17:57,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 15:17:57,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:18:05,526 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1443 proven. 198 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2023-12-02 15:18:05,526 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:18:05,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572847414] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:18:05,925 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 15:18:05,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 16 [2023-12-02 15:18:05,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160816075] [2023-12-02 15:18:05,926 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 15:18:05,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-02 15:18:05,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:18:05,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-02 15:18:05,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2023-12-02 15:18:05,929 INFO L87 Difference]: Start difference. First operand 79 states and 116 transitions. Second operand has 16 states, 16 states have (on average 3.5) internal successors, (56), 15 states have internal predecessors, (56), 5 states have call successors, (33), 5 states have call predecessors, (33), 8 states have return successors, (33), 5 states have call predecessors, (33), 5 states have call successors, (33) [2023-12-02 15:18:17,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.38s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:18:19,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:18:21,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:18:23,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:18:25,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:18:27,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:18:29,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:18:31,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:18:33,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:18:35,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:18:37,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:18:39,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:18:41,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:18:43,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:18:45,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:18:47,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:18:49,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:18:51,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:18:53,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:18:55,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:19:00,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:19:02,032 WARN L539 Checker$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 [0] [2023-12-02 15:19:04,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:19:06,052 WARN L539 Checker$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 [0] [2023-12-02 15:19:08,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:19:10,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:19:12,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:19:14,104 WARN L539 Checker$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 [0] [2023-12-02 15:19:16,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:19:18,110 WARN L539 Checker$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 15:19:20,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:19:22,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:19:24,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:19:26,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:19:28,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:19:30,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:19:32,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:19:34,235 WARN L539 Checker$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 [0] [2023-12-02 15:19:36,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:19:38,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:19:39,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:19:39,992 INFO L93 Difference]: Finished difference Result 191 states and 269 transitions. [2023-12-02 15:19:39,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 15:19:39,994 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.5) internal successors, (56), 15 states have internal predecessors, (56), 5 states have call successors, (33), 5 states have call predecessors, (33), 8 states have return successors, (33), 5 states have call predecessors, (33), 5 states have call successors, (33) Word has length 197 [2023-12-02 15:19:39,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:19:39,997 INFO L225 Difference]: With dead ends: 191 [2023-12-02 15:19:39,998 INFO L226 Difference]: Without dead ends: 113 [2023-12-02 15:19:39,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 636 GetRequests, 603 SyntacticMatches, 6 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=217, Invalid=595, Unknown=0, NotChecked=0, Total=812 [2023-12-02 15:19:40,000 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 139 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 731 mSolverCounterSat, 31 mSolverCounterUnsat, 40 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 91.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 731 IncrementalHoareTripleChecker+Invalid, 40 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 92.4s IncrementalHoareTripleChecker+Time [2023-12-02 15:19:40,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 327 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 731 Invalid, 40 Unknown, 0 Unchecked, 92.4s Time] [2023-12-02 15:19:40,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-12-02 15:19:40,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 104. [2023-12-02 15:19:40,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 62 states have (on average 1.2096774193548387) internal successors, (75), 63 states have internal predecessors, (75), 35 states have call successors, (35), 6 states have call predecessors, (35), 6 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2023-12-02 15:19:40,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 145 transitions. [2023-12-02 15:19:40,021 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 145 transitions. Word has length 197 [2023-12-02 15:19:40,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:19:40,022 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 145 transitions. [2023-12-02 15:19:40,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.5) internal successors, (56), 15 states have internal predecessors, (56), 5 states have call successors, (33), 5 states have call predecessors, (33), 8 states have return successors, (33), 5 states have call predecessors, (33), 5 states have call successors, (33) [2023-12-02 15:19:40,022 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 145 transitions. [2023-12-02 15:19:40,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-12-02 15:19:40,026 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:19:40,026 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:19:40,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/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 (6)] Ended with exit code 0 [2023-12-02 15:19:40,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-02 15:19:40,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 15:19:40,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/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=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 15:19:40,632 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:19:40,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:19:40,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1728803382, now seen corresponding path program 1 times [2023-12-02 15:19:40,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:19:40,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1840285575] [2023-12-02 15:19:40,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:19:40,634 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 15:19:40,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:19:40,634 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:19:40,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7788228-e6a1-4cbc-aa3d-98d87a0cc113/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 (9)] Waiting until timeout for monitored process [2023-12-02 15:19:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:19:42,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-02 15:19:42,654 INFO L285 TraceCheckSpWp]: Computing forward predicates...