./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-82.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/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_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-82.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/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_ff0a9fea-c255-4562-8c60-810d08de633f/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 f4428c4ce5002ac21fbcb2f138b0b41709b4f2d1c732f36efc305424c919e124 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:06:59,771 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:06:59,871 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 16:06:59,879 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:06:59,880 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:06:59,912 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:06:59,913 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:06:59,914 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:06:59,915 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:06:59,915 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:06:59,916 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:06:59,917 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:06:59,917 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:06:59,918 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 16:06:59,919 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:06:59,919 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:06:59,920 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 16:06:59,920 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 16:06:59,921 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:06:59,922 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 16:06:59,922 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 16:06:59,923 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 16:06:59,924 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:06:59,925 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:06:59,925 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:06:59,926 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 16:06:59,926 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:06:59,927 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:06:59,927 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:06:59,928 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:06:59,928 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:06:59,929 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:06:59,929 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:06:59,930 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:06:59,930 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:06:59,931 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:06:59,931 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:06:59,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:06:59,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:06:59,932 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:06:59,932 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:06:59,933 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 16:06:59,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 16:06:59,933 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:06:59,933 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:06:59,934 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:06:59,934 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:06:59,934 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_ff0a9fea-c255-4562-8c60-810d08de633f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4428c4ce5002ac21fbcb2f138b0b41709b4f2d1c732f36efc305424c919e124 [2023-12-02 16:07:00,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:07:00,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:07:00,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:07:00,244 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:07:00,244 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:07:00,246 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-82.i [2023-12-02 16:07:03,636 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:07:03,883 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:07:03,884 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-82.i [2023-12-02 16:07:03,896 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/data/47dc16f32/aa7355a87cf24a7ca04f1b6f309015bb/FLAGd0200b535 [2023-12-02 16:07:03,910 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/data/47dc16f32/aa7355a87cf24a7ca04f1b6f309015bb [2023-12-02 16:07:03,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:07:03,915 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:07:03,917 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:07:03,917 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:07:03,924 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:07:03,925 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:07:03" (1/1) ... [2023-12-02 16:07:03,926 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d808574 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:03, skipping insertion in model container [2023-12-02 16:07:03,926 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:07:03" (1/1) ... [2023-12-02 16:07:03,981 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:07:04,140 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_ff0a9fea-c255-4562-8c60-810d08de633f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-82.i[916,929] [2023-12-02 16:07:04,230 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:07:04,243 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:07:04,257 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_ff0a9fea-c255-4562-8c60-810d08de633f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-82.i[916,929] [2023-12-02 16:07:04,307 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:07:04,329 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:07:04,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:04 WrapperNode [2023-12-02 16:07:04,330 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:07:04,332 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:07:04,332 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:07:04,332 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:07:04,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:04" (1/1) ... [2023-12-02 16:07:04,358 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:04" (1/1) ... [2023-12-02 16:07:04,403 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 208 [2023-12-02 16:07:04,404 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:07:04,404 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:07:04,404 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:07:04,405 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:07:04,415 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:04" (1/1) ... [2023-12-02 16:07:04,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:04" (1/1) ... [2023-12-02 16:07:04,419 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:04" (1/1) ... [2023-12-02 16:07:04,419 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:04" (1/1) ... [2023-12-02 16:07:04,439 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:04" (1/1) ... [2023-12-02 16:07:04,445 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:04" (1/1) ... [2023-12-02 16:07:04,451 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:04" (1/1) ... [2023-12-02 16:07:04,454 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:04" (1/1) ... [2023-12-02 16:07:04,462 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:07:04,463 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:07:04,463 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:07:04,463 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:07:04,464 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:04" (1/1) ... [2023-12-02 16:07:04,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:07:04,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:07:04,504 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:07:04,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:07:04,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:07:04,560 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 16:07:04,560 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 16:07:04,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 16:07:04,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:07:04,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:07:04,699 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:07:04,701 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:07:05,153 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:07:05,441 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:07:05,442 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 16:07:05,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:07:05 BoogieIcfgContainer [2023-12-02 16:07:05,444 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:07:05,448 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:07:05,448 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:07:05,451 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:07:05,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:07:03" (1/3) ... [2023-12-02 16:07:05,452 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e9c210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:07:05, skipping insertion in model container [2023-12-02 16:07:05,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:04" (2/3) ... [2023-12-02 16:07:05,453 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e9c210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:07:05, skipping insertion in model container [2023-12-02 16:07:05,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:07:05" (3/3) ... [2023-12-02 16:07:05,455 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-82.i [2023-12-02 16:07:05,474 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:07:05,474 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 16:07:05,527 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:07:05,534 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6916b4ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:07:05,534 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 16:07:05,539 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 25 states have (on average 1.12) internal successors, (28), 26 states have internal predecessors, (28), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-12-02 16:07:05,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-02 16:07:05,553 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:07:05,554 INFO L195 NwaCegarLoop]: trace histogram [31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:07:05,555 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:07:05,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:07:05,560 INFO L85 PathProgramCache]: Analyzing trace with hash 73609028, now seen corresponding path program 1 times [2023-12-02 16:07:05,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:07:05,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644311855] [2023-12-02 16:07:05,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:07:05,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:07:05,798 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 16:07:05,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1499893095] [2023-12-02 16:07:05,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:07:05,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:07:05,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:07:05,802 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:07:05,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 16:07:06,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:07:06,358 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 16:07:08,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:07:09,095 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 16:07:09,098 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 16:07:09,100 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 16:07:09,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 16:07:09,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:07:09,308 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 16:07:09,312 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 16:07:09,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:07:09 BoogieIcfgContainer [2023-12-02 16:07:09,450 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 16:07:09,451 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 16:07:09,451 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 16:07:09,451 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 16:07:09,452 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:07:05" (3/4) ... [2023-12-02 16:07:09,455 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 16:07:09,456 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 16:07:09,458 INFO L158 Benchmark]: Toolchain (without parser) took 5542.52ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 114.2MB in the beginning and 100.8MB in the end (delta: 13.4MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2023-12-02 16:07:09,459 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 113.2MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:07:09,459 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.83ms. Allocated memory is still 148.9MB. Free memory was 114.2MB in the beginning and 97.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 16:07:09,460 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.03ms. Allocated memory is still 148.9MB. Free memory was 97.4MB in the beginning and 93.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 16:07:09,461 INFO L158 Benchmark]: Boogie Preprocessor took 57.68ms. Allocated memory is still 148.9MB. Free memory was 93.2MB in the beginning and 90.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 16:07:09,462 INFO L158 Benchmark]: RCFGBuilder took 981.47ms. Allocated memory is still 148.9MB. Free memory was 90.5MB in the beginning and 57.8MB in the end (delta: 32.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-12-02 16:07:09,463 INFO L158 Benchmark]: TraceAbstraction took 4002.73ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 57.8MB in the beginning and 101.9MB in the end (delta: -44.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:07:09,463 INFO L158 Benchmark]: Witness Printer took 5.48ms. Allocated memory is still 180.4MB. Free memory was 101.9MB in the beginning and 100.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 16:07:09,468 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 113.2MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 413.83ms. Allocated memory is still 148.9MB. Free memory was 114.2MB in the beginning and 97.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.03ms. Allocated memory is still 148.9MB. Free memory was 97.4MB in the beginning and 93.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.68ms. Allocated memory is still 148.9MB. Free memory was 93.2MB in the beginning and 90.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 981.47ms. Allocated memory is still 148.9MB. Free memory was 90.5MB in the beginning and 57.8MB in the end (delta: 32.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 4002.73ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 57.8MB in the beginning and 101.9MB in the end (delta: -44.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.48ms. Allocated memory is still 180.4MB. Free memory was 101.9MB in the beginning and 100.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 63, overapproximation of someBinaryDOUBLEComparisonOperation at line 120, overapproximation of someBinaryArithmeticFLOAToperation at line 62. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 16; [L23] unsigned short int var_1_7 = 16; [L24] unsigned short int var_1_8 = 4; [L25] float var_1_9 = 1.4; [L26] float var_1_10 = 9.7; [L27] float var_1_11 = 16.25; [L28] float var_1_12 = 3.5; [L29] signed char var_1_14 = -64; [L30] signed long int var_1_15 = -10; [L31] signed char var_1_16 = -1; [L32] signed char var_1_17 = 0; [L33] float var_1_18 = 8.25; [L34] float var_1_19 = 0.0; [L35] float var_1_20 = 0.0; [L36] unsigned long int var_1_21 = 0; [L37] signed long int var_1_22 = 1; [L38] float var_1_23 = 256.3; [L39] float var_1_24 = 9.75; [L40] float var_1_25 = 4.5; [L41] float var_1_26 = 24.8; [L42] unsigned char var_1_27 = 0; [L43] unsigned char var_1_28 = 1; [L44] unsigned char var_1_29 = 1; [L45] double var_1_30 = 63.8; [L46] signed long int var_1_31 = 1; [L47] unsigned long int var_1_33 = 16; [L48] unsigned long int var_1_34 = 3896233473; [L49] unsigned long int var_1_35 = 2380878222; [L50] signed short int var_1_36 = -1; [L51] float var_1_37 = 15.8; [L52] unsigned char var_1_38 = 0; [L53] unsigned char var_1_39 = 0; [L54] unsigned long int last_1_var_1_33 = 16; [L197] isInitial = 1 [L198] FCALL initially() [L199] COND TRUE 1 [L200] CALL updateLastVariables() [L190] last_1_var_1_33 = var_1_33 [L200] RET updateLastVariables() [L201] CALL updateVariables() [L138] var_1_7 = __VERIFIER_nondet_ushort() [L139] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_10=97/10, var_1_11=65/4, var_1_12=7/2, var_1_14=-64, var_1_15=-10, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_8=4, var_1_9=7/5] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_33=16, var_1_10=97/10, var_1_11=65/4, var_1_12=7/2, var_1_14=-64, var_1_15=-10, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_8=4, var_1_9=7/5] [L140] CALL assume_abort_if_not(var_1_7 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_10=97/10, var_1_11=65/4, var_1_12=7/2, var_1_14=-64, var_1_15=-10, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=4, var_1_9=7/5] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_7 <= 65534) VAL [isInitial=1, last_1_var_1_33=16, var_1_10=97/10, var_1_11=65/4, var_1_12=7/2, var_1_14=-64, var_1_15=-10, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=4, var_1_9=7/5] [L141] var_1_8 = __VERIFIER_nondet_ushort() [L142] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_10=97/10, var_1_11=65/4, var_1_12=7/2, var_1_14=-64, var_1_15=-10, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_9=7/5] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_33=16, var_1_10=97/10, var_1_11=65/4, var_1_12=7/2, var_1_14=-64, var_1_15=-10, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_9=7/5] [L143] CALL assume_abort_if_not(var_1_8 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_10=97/10, var_1_11=65/4, var_1_12=7/2, var_1_14=-64, var_1_15=-10, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_8 <= 65534) VAL [isInitial=1, last_1_var_1_33=16, var_1_10=97/10, var_1_11=65/4, var_1_12=7/2, var_1_14=-64, var_1_15=-10, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L144] var_1_10 = __VERIFIER_nondet_float() [L145] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_11=65/4, var_1_12=7/2, var_1_14=-64, var_1_15=-10, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_33=16, var_1_11=65/4, var_1_12=7/2, var_1_14=-64, var_1_15=-10, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L146] var_1_11 = __VERIFIER_nondet_float() [L147] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_12=7/2, var_1_14=-64, var_1_15=-10, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_33=16, var_1_12=7/2, var_1_14=-64, var_1_15=-10, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L148] var_1_12 = __VERIFIER_nondet_float() [L149] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=-10, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=-10, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L150] var_1_15 = __VERIFIER_nondet_long() [L151] CALL assume_abort_if_not(var_1_15 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_15 >= -2147483648) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L152] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L153] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L154] var_1_16 = __VERIFIER_nondet_char() [L155] CALL assume_abort_if_not(var_1_16 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_16 >= -127) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L156] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L157] var_1_17 = __VERIFIER_nondet_char() [L158] CALL assume_abort_if_not(var_1_17 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_17 >= -127) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L159] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L160] var_1_19 = __VERIFIER_nondet_float() [L161] CALL assume_abort_if_not((var_1_19 >= 4611686.018427382800e+12F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not((var_1_19 >= 4611686.018427382800e+12F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L162] var_1_20 = __VERIFIER_nondet_float() [L163] CALL assume_abort_if_not((var_1_20 >= 4611686.018427382800e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not((var_1_20 >= 4611686.018427382800e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L164] var_1_24 = __VERIFIER_nondet_float() [L165] CALL assume_abort_if_not((var_1_24 >= -230584.3009213691390e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 2305843.009213691390e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not((var_1_24 >= -230584.3009213691390e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 2305843.009213691390e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L166] var_1_25 = __VERIFIER_nondet_float() [L167] CALL assume_abort_if_not((var_1_25 >= -230584.3009213691390e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 2305843.009213691390e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not((var_1_25 >= -230584.3009213691390e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 2305843.009213691390e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L168] var_1_26 = __VERIFIER_nondet_float() [L169] CALL assume_abort_if_not((var_1_26 >= -230584.3009213691390e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 2305843.009213691390e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not((var_1_26 >= -230584.3009213691390e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 2305843.009213691390e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L170] var_1_28 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_28 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_28 >= 1) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L172] CALL assume_abort_if_not(var_1_28 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_28 <= 1) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L173] var_1_29 = __VERIFIER_nondet_uchar() [L174] CALL assume_abort_if_not(var_1_29 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_29 >= 1) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L175] CALL assume_abort_if_not(var_1_29 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_29 <= 1) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L176] var_1_34 = __VERIFIER_nondet_ulong() [L177] CALL assume_abort_if_not(var_1_34 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=4294967294, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_34 >= 2147483647) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=4294967294, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L178] CALL assume_abort_if_not(var_1_34 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=4294967294, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_34 <= 4294967294) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=4294967294, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L179] var_1_35 = __VERIFIER_nondet_ulong() [L180] CALL assume_abort_if_not(var_1_35 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=4294967294, var_1_35=4294967294, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_35 >= 2147483647) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=4294967294, var_1_35=4294967294, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L181] CALL assume_abort_if_not(var_1_35 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=4294967294, var_1_35=4294967294, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_35 <= 4294967294) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=4294967294, var_1_35=4294967294, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L182] var_1_37 = __VERIFIER_nondet_float() [L183] CALL assume_abort_if_not((var_1_37 >= -922337.2036854776000e+13F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854776000e+12F && var_1_37 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=4294967294, var_1_35=4294967294, var_1_36=-1, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not((var_1_37 >= -922337.2036854776000e+13F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854776000e+12F && var_1_37 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=4294967294, var_1_35=4294967294, var_1_36=-1, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L184] CALL assume_abort_if_not(var_1_37 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=4294967294, var_1_35=4294967294, var_1_36=-1, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_37 != 0.0F) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=4294967294, var_1_35=4294967294, var_1_36=-1, var_1_38=0, var_1_39=0, var_1_7=3, var_1_8=21, var_1_9=7/5] [L185] var_1_39 = __VERIFIER_nondet_uchar() [L186] CALL assume_abort_if_not(var_1_39 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=4294967294, var_1_35=4294967294, var_1_36=-1, var_1_38=0, var_1_39=1, var_1_7=3, var_1_8=21, var_1_9=7/5] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_39 >= 1) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=4294967294, var_1_35=4294967294, var_1_36=-1, var_1_38=0, var_1_39=1, var_1_7=3, var_1_8=21, var_1_9=7/5] [L187] CALL assume_abort_if_not(var_1_39 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=4294967294, var_1_35=4294967294, var_1_36=-1, var_1_38=0, var_1_39=1, var_1_7=3, var_1_8=21, var_1_9=7/5] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not(var_1_39 <= 1) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=4294967294, var_1_35=4294967294, var_1_36=-1, var_1_38=0, var_1_39=1, var_1_7=3, var_1_8=21, var_1_9=7/5] [L201] RET updateVariables() [L202] CALL step() [L58] signed long int stepLocal_3 = var_1_15; [L59] COND TRUE stepLocal_3 > (var_1_7 / 128) [L60] var_1_21 = (var_1_7 + last_1_var_1_33) [L62] var_1_23 = (var_1_11 + (((((var_1_24) > (var_1_25)) ? (var_1_24) : (var_1_25))) + var_1_26)) [L63] COND TRUE 1.000000000000075E13f > var_1_11 [L64] var_1_27 = (var_1_28 && var_1_29) [L66] COND TRUE var_1_20 > (var_1_19 / var_1_37) [L67] var_1_36 = var_1_16 [L71] COND FALSE !(var_1_19 > var_1_26) [L74] unsigned char stepLocal_6 = var_1_27; [L75] COND TRUE stepLocal_6 || var_1_29 [L76] var_1_33 = (((((var_1_34) > (var_1_35)) ? (var_1_34) : (var_1_35))) - ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21)))) [L78] COND TRUE \read(var_1_27) [L79] var_1_9 = (var_1_10 - (((((8.3215551467477422E18f - var_1_11)) < (var_1_12)) ? ((8.3215551467477422E18f - var_1_11)) : (var_1_12)))) [L87] COND TRUE (1.75f / ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20)))) > var_1_12 [L88] var_1_22 = ((((((((var_1_36) > (((((var_1_33) > (1)) ? (var_1_33) : (1))))) ? (var_1_36) : (((((var_1_33) > (1)) ? (var_1_33) : (1))))))) < (var_1_16)) ? (((((var_1_36) > (((((var_1_33) > (1)) ? (var_1_33) : (1))))) ? (var_1_36) : (((((var_1_33) > (1)) ? (var_1_33) : (1))))))) : (var_1_16))) [L92] unsigned short int stepLocal_2 = var_1_8; [L93] unsigned short int stepLocal_1 = var_1_8; [L94] COND TRUE var_1_16 < stepLocal_1 [L95] COND FALSE !(var_1_23 == var_1_23) [L100] var_1_18 = ((((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20))) - var_1_11) - var_1_12) [L103] unsigned char stepLocal_0 = var_1_36 <= var_1_22; [L104] COND TRUE \read(var_1_27) [L105] COND TRUE stepLocal_0 || (var_1_18 >= var_1_9) [L106] var_1_1 = ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))) [L113] signed long int stepLocal_4 = 4; [L114] COND FALSE !(stepLocal_4 >= var_1_1) [L117] var_1_30 = var_1_25 [L119] signed long int stepLocal_5 = var_1_22; [L120] COND FALSE !(var_1_12 != var_1_30) [L125] COND TRUE ! var_1_38 [L126] var_1_31 = (((((var_1_17) < (var_1_8)) ? (var_1_17) : (var_1_8))) + var_1_1) [L131] COND FALSE !((((((var_1_31) < 0 ) ? -(var_1_31) : (var_1_31))) / ((((var_1_15) < (4)) ? (var_1_15) : (4)))) > (var_1_33 + var_1_7)) [L134] var_1_14 = var_1_16 [L202] RET step() [L203] CALL, EXPR property() [L193-L194] return ((((((((((((var_1_27 ? (((var_1_36 <= var_1_22) || (var_1_18 >= var_1_9)) ? (var_1_1 == ((unsigned short int) ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) : (var_1_1 == ((unsigned short int) 25))) : (var_1_1 == ((unsigned short int) var_1_7))) && (var_1_27 ? (var_1_9 == ((float) (var_1_10 - (((((8.3215551467477422E18f - var_1_11)) < (var_1_12)) ? ((8.3215551467477422E18f - var_1_11)) : (var_1_12)))))) : ((! var_1_27) ? (var_1_9 == ((float) var_1_10)) : (var_1_9 == ((float) var_1_11))))) && (((((((var_1_31) < 0 ) ? -(var_1_31) : (var_1_31))) / ((((var_1_15) < (4)) ? (var_1_15) : (4)))) > (var_1_33 + var_1_7)) ? (var_1_14 == ((signed char) ((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17))))) : (var_1_14 == ((signed char) var_1_16)))) && ((var_1_16 < var_1_8) ? ((var_1_23 == var_1_23) ? ((var_1_8 == var_1_22) ? (var_1_18 == ((float) ((((var_1_12) > (var_1_11)) ? (var_1_12) : (var_1_11))))) : 1) : (var_1_18 == ((float) ((((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20))) - var_1_11) - var_1_12)))) : 1)) && ((var_1_15 > (var_1_7 / 128)) ? (var_1_21 == ((unsigned long int) (var_1_7 + last_1_var_1_33))) : 1)) && (((1.75f / ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20)))) > var_1_12) ? (var_1_22 == ((signed long int) ((((((((var_1_36) > (((((var_1_33) > (1)) ? (var_1_33) : (1))))) ? (var_1_36) : (((((var_1_33) > (1)) ? (var_1_33) : (1))))))) < (var_1_16)) ? (((((var_1_36) > (((((var_1_33) > (1)) ? (var_1_33) : (1))))) ? (var_1_36) : (((((var_1_33) > (1)) ? (var_1_33) : (1))))))) : (var_1_16))))) : (var_1_22 == ((signed long int) (var_1_36 - 8))))) && (var_1_23 == ((float) (var_1_11 + (((((var_1_24) > (var_1_25)) ? (var_1_24) : (var_1_25))) + var_1_26))))) && ((1.000000000000075E13f > var_1_11) ? (var_1_27 == ((unsigned char) (var_1_28 && var_1_29))) : 1)) && ((4 >= var_1_1) ? (var_1_30 == ((double) ((((var_1_26) < (((((var_1_20) < (var_1_24)) ? (var_1_20) : (var_1_24))))) ? (var_1_26) : (((((var_1_20) < (var_1_24)) ? (var_1_20) : (var_1_24)))))))) : (var_1_30 == ((double) var_1_25)))) && ((var_1_12 != var_1_30) ? ((var_1_22 < var_1_36) ? (var_1_31 == ((signed long int) ((((var_1_16) > ((var_1_7 + (var_1_21 + var_1_22)))) ? (var_1_16) : ((var_1_7 + (var_1_21 + var_1_22))))))) : 1) : ((! var_1_38) ? (var_1_31 == ((signed long int) (((((var_1_17) < (var_1_8)) ? (var_1_17) : (var_1_8))) + var_1_1))) : (var_1_31 == ((signed long int) var_1_7))))) && ((var_1_27 || var_1_29) ? (var_1_33 == ((unsigned long int) (((((var_1_34) > (var_1_35)) ? (var_1_34) : (var_1_35))) - ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21)))))) : 1)) && ((var_1_20 > (var_1_19 / var_1_37)) ? (var_1_36 == ((signed short int) var_1_16)) : (var_1_36 == ((signed short int) (((((((10) < (var_1_16)) ? (10) : (var_1_16))) < 0 ) ? -((((10) < (var_1_16)) ? (10) : (var_1_16))) : ((((10) < (var_1_16)) ? (10) : (var_1_16))))))))) && ((var_1_19 > var_1_26) ? (var_1_38 == ((unsigned char) ((var_1_29 && var_1_28) && var_1_39))) : 1) ; [L203] RET, EXPR property() [L203] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_33=16, var_1_10=0, var_1_11=0, var_1_12=0, var_1_14=-22, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=0, var_1_1=21, var_1_20=0, var_1_21=19, var_1_22=-22, var_1_24=0, var_1_25=2, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=1, var_1_30=2, var_1_31=-1, var_1_33=4294967275, var_1_34=4294967294, var_1_35=4294967294, var_1_36=-22, var_1_38=0, var_1_39=1, var_1_7=3, var_1_8=21, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_33=16, var_1_10=0, var_1_11=0, var_1_12=0, var_1_14=-22, var_1_15=2, var_1_16=-22, var_1_17=-22, var_1_18=0, var_1_1=21, var_1_20=0, var_1_21=19, var_1_22=-22, var_1_24=0, var_1_25=2, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=1, var_1_30=2, var_1_31=-1, var_1_33=4294967275, var_1_34=4294967294, var_1_35=4294967294, var_1_36=-22, var_1_38=0, var_1_39=1, var_1_7=3, var_1_8=21, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 1, TraceHistogramMax: 31, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 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 16:07:09,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/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_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-82.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/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_ff0a9fea-c255-4562-8c60-810d08de633f/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 f4428c4ce5002ac21fbcb2f138b0b41709b4f2d1c732f36efc305424c919e124 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:07:11,842 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:07:11,936 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 16:07:11,943 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:07:11,944 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:07:11,975 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:07:11,976 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:07:11,976 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:07:11,977 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:07:11,978 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:07:11,978 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:07:11,979 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:07:11,980 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:07:11,980 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:07:11,981 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:07:11,981 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:07:11,982 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:07:11,983 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:07:11,983 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:07:11,984 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:07:11,985 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:07:11,985 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:07:11,986 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:07:11,986 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:07:11,987 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 16:07:11,987 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 16:07:11,987 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 16:07:11,988 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:07:11,988 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:07:11,989 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:07:11,989 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:07:11,990 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 16:07:11,990 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:07:11,990 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:07:11,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:07:11,991 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:07:11,991 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:07:11,991 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:07:11,991 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 16:07:11,992 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 16:07:11,992 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:07:11,992 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:07:11,992 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:07:11,993 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:07:11,993 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_ff0a9fea-c255-4562-8c60-810d08de633f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4428c4ce5002ac21fbcb2f138b0b41709b4f2d1c732f36efc305424c919e124 [2023-12-02 16:07:12,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:07:12,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:07:12,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:07:12,337 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:07:12,338 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:07:12,339 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-82.i [2023-12-02 16:07:15,941 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:07:16,253 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:07:16,254 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-82.i [2023-12-02 16:07:16,268 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/data/61e953afb/680f167f768240369ffb64ac8d303804/FLAG637f678fc [2023-12-02 16:07:16,287 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/data/61e953afb/680f167f768240369ffb64ac8d303804 [2023-12-02 16:07:16,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:07:16,293 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:07:16,295 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:07:16,295 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:07:16,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:07:16,302 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:07:16" (1/1) ... [2023-12-02 16:07:16,304 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@740bfd2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:16, skipping insertion in model container [2023-12-02 16:07:16,304 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:07:16" (1/1) ... [2023-12-02 16:07:16,352 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:07:16,537 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_ff0a9fea-c255-4562-8c60-810d08de633f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-82.i[916,929] [2023-12-02 16:07:16,651 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:07:16,671 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:07:16,685 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_ff0a9fea-c255-4562-8c60-810d08de633f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-82.i[916,929] [2023-12-02 16:07:16,748 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:07:16,770 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:07:16,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:16 WrapperNode [2023-12-02 16:07:16,771 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:07:16,772 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:07:16,772 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:07:16,772 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:07:16,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:16" (1/1) ... [2023-12-02 16:07:16,800 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:16" (1/1) ... [2023-12-02 16:07:16,843 INFO L138 Inliner]: procedures = 27, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 205 [2023-12-02 16:07:16,844 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:07:16,845 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:07:16,845 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:07:16,845 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:07:16,855 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:16" (1/1) ... [2023-12-02 16:07:16,856 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:16" (1/1) ... [2023-12-02 16:07:16,864 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:16" (1/1) ... [2023-12-02 16:07:16,864 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:16" (1/1) ... [2023-12-02 16:07:16,893 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:16" (1/1) ... [2023-12-02 16:07:16,898 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:16" (1/1) ... [2023-12-02 16:07:16,912 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:16" (1/1) ... [2023-12-02 16:07:16,915 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:16" (1/1) ... [2023-12-02 16:07:16,922 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:07:16,924 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:07:16,924 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:07:16,939 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:07:16,943 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:16" (1/1) ... [2023-12-02 16:07:16,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:07:16,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:07:16,999 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:07:17,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:07:17,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:07:17,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 16:07:17,037 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 16:07:17,037 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 16:07:17,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:07:17,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:07:17,160 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:07:17,163 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:07:24,105 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:07:24,164 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:07:24,164 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 16:07:24,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:07:24 BoogieIcfgContainer [2023-12-02 16:07:24,165 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:07:24,168 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:07:24,169 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:07:24,172 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:07:24,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:07:16" (1/3) ... [2023-12-02 16:07:24,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e389bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:07:24, skipping insertion in model container [2023-12-02 16:07:24,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:16" (2/3) ... [2023-12-02 16:07:24,174 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e389bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:07:24, skipping insertion in model container [2023-12-02 16:07:24,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:07:24" (3/3) ... [2023-12-02 16:07:24,176 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-82.i [2023-12-02 16:07:24,193 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:07:24,193 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 16:07:24,242 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:07:24,249 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;@2741879d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:07:24,249 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 16:07:24,253 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 54 states have internal predecessors, (76), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-12-02 16:07:24,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-12-02 16:07:24,271 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:07:24,272 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:07:24,272 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:07:24,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:07:24,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1960996385, now seen corresponding path program 1 times [2023-12-02 16:07:24,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:07:24,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1613418096] [2023-12-02 16:07:24,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:07:24,293 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 16:07:24,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:07:24,295 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/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 16:07:24,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/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 16:07:25,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:07:25,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 16:07:25,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:07:25,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 896 proven. 0 refuted. 0 times theorem prover too weak. 964 trivial. 0 not checked. [2023-12-02 16:07:25,379 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:07:25,380 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:07:25,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1613418096] [2023-12-02 16:07:25,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1613418096] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:07:25,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:07:25,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 16:07:25,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139228964] [2023-12-02 16:07:25,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:07:25,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 16:07:25,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:07:25,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 16:07:25,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 16:07:25,427 INFO L87 Difference]: Start difference. First operand has 87 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 54 states have internal predecessors, (76), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-12-02 16:07:27,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:07:27,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:07:27,883 INFO L93 Difference]: Finished difference Result 171 states and 305 transitions. [2023-12-02 16:07:28,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 16:07:28,016 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 198 [2023-12-02 16:07:28,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:07:28,026 INFO L225 Difference]: With dead ends: 171 [2023-12-02 16:07:28,026 INFO L226 Difference]: Without dead ends: 85 [2023-12-02 16:07:28,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 197 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 16:07:28,035 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-02 16:07:28,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2023-12-02 16:07:28,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-12-02 16:07:28,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2023-12-02 16:07:28,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 52 states have (on average 1.3653846153846154) internal successors, (71), 52 states have internal predecessors, (71), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-12-02 16:07:28,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 133 transitions. [2023-12-02 16:07:28,098 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 133 transitions. Word has length 198 [2023-12-02 16:07:28,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:07:28,099 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 133 transitions. [2023-12-02 16:07:28,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-12-02 16:07:28,099 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 133 transitions. [2023-12-02 16:07:28,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-12-02 16:07:28,104 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:07:28,104 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:07:28,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/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 16:07:28,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/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 16:07:28,309 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:07:28,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:07:28,310 INFO L85 PathProgramCache]: Analyzing trace with hash -2037683379, now seen corresponding path program 1 times [2023-12-02 16:07:28,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:07:28,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1220382322] [2023-12-02 16:07:28,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:07:28,312 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 16:07:28,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:07:28,313 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/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 16:07:28,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/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 16:07:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:07:29,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 16:07:29,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:07:31,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 955 proven. 57 refuted. 0 times theorem prover too weak. 848 trivial. 0 not checked. [2023-12-02 16:07:31,057 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:07:32,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 117 proven. 60 refuted. 0 times theorem prover too weak. 1683 trivial. 0 not checked. [2023-12-02 16:07:32,377 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:07:32,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1220382322] [2023-12-02 16:07:32,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1220382322] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 16:07:32,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [879950850] [2023-12-02 16:07:32,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:07:32,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 16:07:32,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 16:07:32,401 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 16:07:32,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 16:07:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:07:33,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 16:07:33,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:07:33,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-12-02 16:07:33,354 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:07:33,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [879950850] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:07:33,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 16:07:33,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10, 10] total 16 [2023-12-02 16:07:33,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110572265] [2023-12-02 16:07:33,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:07:33,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 16:07:33,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:07:33,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 16:07:33,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2023-12-02 16:07:33,359 INFO L87 Difference]: Start difference. First operand 85 states and 133 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-02 16:07:35,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:07:37,828 WARN L539 Checker$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 16:07:39,831 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 16:07:40,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:07:40,252 INFO L93 Difference]: Finished difference Result 251 states and 393 transitions. [2023-12-02 16:07:40,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 16:07:40,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 198 [2023-12-02 16:07:40,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:07:40,258 INFO L225 Difference]: With dead ends: 251 [2023-12-02 16:07:40,258 INFO L226 Difference]: Without dead ends: 167 [2023-12-02 16:07:40,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 591 GetRequests, 576 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2023-12-02 16:07:40,260 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 122 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-12-02 16:07:40,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 344 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 3 Unknown, 0 Unchecked, 6.9s Time] [2023-12-02 16:07:40,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2023-12-02 16:07:40,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 165. [2023-12-02 16:07:40,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 100 states have (on average 1.34) internal successors, (134), 100 states have internal predecessors, (134), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-12-02 16:07:40,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 258 transitions. [2023-12-02 16:07:40,294 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 258 transitions. Word has length 198 [2023-12-02 16:07:40,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:07:40,296 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 258 transitions. [2023-12-02 16:07:40,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-02 16:07:40,296 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 258 transitions. [2023-12-02 16:07:40,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-12-02 16:07:40,301 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:07:40,302 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:07:40,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 16:07:40,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/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 16:07:40,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/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 16:07:40,705 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:07:40,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:07:40,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1305036796, now seen corresponding path program 1 times [2023-12-02 16:07:40,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:07:40,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1550644115] [2023-12-02 16:07:40,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:07:40,708 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 16:07:40,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:07:40,709 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/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 16:07:40,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/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 (5)] Waiting until timeout for monitored process [2023-12-02 16:07:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:07:41,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 16:07:41,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:07:43,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 955 proven. 57 refuted. 0 times theorem prover too weak. 848 trivial. 0 not checked. [2023-12-02 16:07:43,067 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:07:44,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 117 proven. 60 refuted. 0 times theorem prover too weak. 1683 trivial. 0 not checked. [2023-12-02 16:07:44,301 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:07:44,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1550644115] [2023-12-02 16:07:44,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1550644115] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 16:07:44,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [879313446] [2023-12-02 16:07:44,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:07:44,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 16:07:44,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 16:07:44,304 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 16:07:44,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 16:07:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:07:45,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 16:07:45,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:07:45,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-12-02 16:07:45,369 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:07:45,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [879313446] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:07:45,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 16:07:45,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10, 10] total 18 [2023-12-02 16:07:45,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805237948] [2023-12-02 16:07:45,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:07:45,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:07:45,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:07:45,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:07:45,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2023-12-02 16:07:45,373 INFO L87 Difference]: Start difference. First operand 165 states and 258 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-02 16:07:48,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:07:50,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:07:52,717 WARN L539 Checker$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 16:07:54,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:07:56,723 WARN L539 Checker$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 16:07:56,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:07:56,848 INFO L93 Difference]: Finished difference Result 337 states and 526 transitions. [2023-12-02 16:07:56,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 16:07:56,849 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 199 [2023-12-02 16:07:56,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:07:56,853 INFO L225 Difference]: With dead ends: 337 [2023-12-02 16:07:56,853 INFO L226 Difference]: Without dead ends: 172 [2023-12-02 16:07:56,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 595 GetRequests, 577 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2023-12-02 16:07:56,856 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 165 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 4 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2023-12-02 16:07:56,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 293 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 84 Invalid, 5 Unknown, 0 Unchecked, 11.4s Time] [2023-12-02 16:07:56,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2023-12-02 16:07:56,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 170. [2023-12-02 16:07:56,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 105 states have (on average 1.3238095238095238) internal successors, (139), 105 states have internal predecessors, (139), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-12-02 16:07:56,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 263 transitions. [2023-12-02 16:07:56,889 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 263 transitions. Word has length 199 [2023-12-02 16:07:56,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:07:56,890 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 263 transitions. [2023-12-02 16:07:56,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-02 16:07:56,890 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 263 transitions. [2023-12-02 16:07:56,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-12-02 16:07:56,894 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:07:56,894 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:07:56,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 16:07:57,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/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 (5)] Ended with exit code 0 [2023-12-02 16:07:57,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/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 16:07:57,300 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:07:57,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:07:57,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1896102975, now seen corresponding path program 1 times [2023-12-02 16:07:57,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:07:57,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1164907803] [2023-12-02 16:07:57,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:07:57,301 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 16:07:57,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:07:57,302 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/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 16:07:57,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/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 (7)] Waiting until timeout for monitored process [2023-12-02 16:07:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:07:58,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 16:07:58,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:07:59,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 955 proven. 57 refuted. 0 times theorem prover too weak. 848 trivial. 0 not checked. [2023-12-02 16:07:59,438 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:08:00,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 117 proven. 60 refuted. 0 times theorem prover too weak. 1683 trivial. 0 not checked. [2023-12-02 16:08:00,738 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:08:00,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1164907803] [2023-12-02 16:08:00,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1164907803] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 16:08:00,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [977918183] [2023-12-02 16:08:00,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:08:00,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 16:08:00,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 16:08:00,740 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 16:08:00,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 16:08:03,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:08:03,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 16:08:03,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:08:03,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 828 proven. 27 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2023-12-02 16:08:03,673 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:08:04,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 63 proven. 27 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-12-02 16:08:04,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [977918183] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 16:08:04,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [336625081] [2023-12-02 16:08:04,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:08:04,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:08:04,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:08:04,209 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:08:04,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-02 16:08:04,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:08:04,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 16:08:04,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:08:05,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 828 proven. 27 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2023-12-02 16:08:05,469 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:08:05,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 63 proven. 27 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-12-02 16:08:05,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [336625081] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 16:08:05,933 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 16:08:05,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 5, 5, 5, 5] total 19 [2023-12-02 16:08:05,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041488358] [2023-12-02 16:08:05,934 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 16:08:05,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-12-02 16:08:05,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:08:05,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-12-02 16:08:05,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2023-12-02 16:08:05,938 INFO L87 Difference]: Start difference. First operand 170 states and 263 transitions. Second operand has 19 states, 19 states have (on average 4.684210526315789) internal successors, (89), 19 states have internal predecessors, (89), 4 states have call successors, (62), 4 states have call predecessors, (62), 9 states have return successors, (65), 4 states have call predecessors, (65), 4 states have call successors, (65) [2023-12-02 16:08:11,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:08:13,329 WARN L539 Checker$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 16:08:15,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:08:17,342 WARN L539 Checker$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 16:08:19,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:08:21,348 WARN L539 Checker$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 16:08:23,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:08:25,358 WARN L539 Checker$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 16:08:27,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:08:29,366 WARN L539 Checker$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 16:08:31,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:08:33,377 WARN L539 Checker$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 16:08:35,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:08:37,392 WARN L539 Checker$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 16:08:39,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:08:41,398 WARN L539 Checker$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 16:08:43,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:08:43,794 INFO L93 Difference]: Finished difference Result 361 states and 542 transitions. [2023-12-02 16:08:43,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 16:08:43,795 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.684210526315789) internal successors, (89), 19 states have internal predecessors, (89), 4 states have call successors, (62), 4 states have call predecessors, (62), 9 states have return successors, (65), 4 states have call predecessors, (65), 4 states have call successors, (65) Word has length 199 [2023-12-02 16:08:43,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:08:43,799 INFO L225 Difference]: With dead ends: 361 [2023-12-02 16:08:43,799 INFO L226 Difference]: Without dead ends: 192 [2023-12-02 16:08:43,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1206 GetRequests, 1169 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=343, Invalid=917, Unknown=0, NotChecked=0, Total=1260 [2023-12-02 16:08:43,802 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 245 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 798 mSolverCounterSat, 73 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 798 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.7s IncrementalHoareTripleChecker+Time [2023-12-02 16:08:43,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 766 Invalid, 887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 798 Invalid, 16 Unknown, 0 Unchecked, 36.7s Time] [2023-12-02 16:08:43,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2023-12-02 16:08:43,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 181. [2023-12-02 16:08:43,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 112 states have (on average 1.2589285714285714) internal successors, (141), 112 states have internal predecessors, (141), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-12-02 16:08:43,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 265 transitions. [2023-12-02 16:08:43,845 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 265 transitions. Word has length 199 [2023-12-02 16:08:43,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:08:43,847 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 265 transitions. [2023-12-02 16:08:43,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.684210526315789) internal successors, (89), 19 states have internal predecessors, (89), 4 states have call successors, (62), 4 states have call predecessors, (62), 9 states have return successors, (65), 4 states have call predecessors, (65), 4 states have call successors, (65) [2023-12-02 16:08:43,847 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 265 transitions. [2023-12-02 16:08:43,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-12-02 16:08:43,850 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:08:43,851 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:08:43,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/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 (7)] Forceful destruction successful, exit code 0 [2023-12-02 16:08:44,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-12-02 16:08:44,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 16:08:44,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 16:08:44,452 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:08:44,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:08:44,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1401582598, now seen corresponding path program 1 times [2023-12-02 16:08:44,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:08:44,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2040667054] [2023-12-02 16:08:44,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:08:44,454 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 16:08:44,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:08:44,455 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/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 16:08:44,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/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 (10)] Waiting until timeout for monitored process [2023-12-02 16:08:45,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:08:45,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 16:08:45,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:08:47,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 1011 proven. 54 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2023-12-02 16:08:47,242 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:08:49,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 198 proven. 63 refuted. 0 times theorem prover too weak. 1599 trivial. 0 not checked. [2023-12-02 16:08:49,030 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:08:49,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2040667054] [2023-12-02 16:08:49,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2040667054] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 16:08:49,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [804326170] [2023-12-02 16:08:49,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:08:49,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 16:08:49,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 16:08:49,032 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 16:08:49,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 16:08:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:08:52,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 16:08:52,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:08:55,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 1004 proven. 87 refuted. 0 times theorem prover too weak. 769 trivial. 0 not checked. [2023-12-02 16:08:55,798 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:08:57,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 255 proven. 87 refuted. 0 times theorem prover too weak. 1518 trivial. 0 not checked. [2023-12-02 16:08:57,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [804326170] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 16:08:57,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431605073] [2023-12-02 16:08:57,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:08:57,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:08:57,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:08:57,706 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:08:57,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-02 16:08:58,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:08:58,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 16:08:58,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:09:00,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2023-12-02 16:09:00,131 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:09:00,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1431605073] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:09:00,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2023-12-02 16:09:00,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [12, 12, 18, 15] total 38 [2023-12-02 16:09:00,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666397147] [2023-12-02 16:09:00,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:09:00,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-02 16:09:00,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:09:00,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-02 16:09:00,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=1084, Unknown=0, NotChecked=0, Total=1406 [2023-12-02 16:09:00,135 INFO L87 Difference]: Start difference. First operand 181 states and 265 transitions. Second operand has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 10 states have internal predecessors, (53), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2023-12-02 16:09:07,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:09:09,026 WARN L539 Checker$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 16:09:11,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:09:13,037 WARN L539 Checker$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 16:09:15,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:09:17,042 WARN L539 Checker$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 16:09:19,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:09:21,053 WARN L539 Checker$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 16:09:23,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:09:25,066 WARN L539 Checker$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 16:09:27,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:09:29,071 WARN L539 Checker$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 16:09:31,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:09:33,081 WARN L539 Checker$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 16:09:35,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:09:37,085 WARN L539 Checker$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 16:09:39,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:09:41,091 WARN L539 Checker$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 16:09:43,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:09:45,103 WARN L539 Checker$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 16:09:47,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:09:49,109 WARN L539 Checker$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 16:09:51,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:09:53,118 WARN L539 Checker$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 16:09:55,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:09:57,123 WARN L539 Checker$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 16:09:59,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:10:01,136 WARN L539 Checker$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 16:10:03,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:10:05,145 WARN L539 Checker$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 16:10:07,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:10:09,153 WARN L539 Checker$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 16:10:11,160 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 16:10:16,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:10:16,966 INFO L93 Difference]: Finished difference Result 857 states and 1219 transitions. [2023-12-02 16:10:16,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-12-02 16:10:16,967 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 10 states have internal predecessors, (53), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 199 [2023-12-02 16:10:16,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:10:16,975 INFO L225 Difference]: With dead ends: 857 [2023-12-02 16:10:16,975 INFO L226 Difference]: Without dead ends: 674 [2023-12-02 16:10:16,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1027 GetRequests, 955 SyntacticMatches, 2 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1703 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=989, Invalid=4123, Unknown=0, NotChecked=0, Total=5112 [2023-12-02 16:10:16,980 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 552 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 254 mSolverCounterUnsat, 33 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 73.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 630 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 1336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 33 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 73.6s IncrementalHoareTripleChecker+Time [2023-12-02 16:10:16,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [630 Valid, 857 Invalid, 1336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 1049 Invalid, 33 Unknown, 0 Unchecked, 73.6s Time] [2023-12-02 16:10:16,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2023-12-02 16:10:17,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 644. [2023-12-02 16:10:17,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 392 states have (on average 1.221938775510204) internal successors, (479), 395 states have internal predecessors, (479), 222 states have call successors, (222), 29 states have call predecessors, (222), 29 states have return successors, (222), 219 states have call predecessors, (222), 222 states have call successors, (222) [2023-12-02 16:10:17,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 923 transitions. [2023-12-02 16:10:17,093 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 923 transitions. Word has length 199 [2023-12-02 16:10:17,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:10:17,094 INFO L495 AbstractCegarLoop]: Abstraction has 644 states and 923 transitions. [2023-12-02 16:10:17,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 10 states have internal predecessors, (53), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2023-12-02 16:10:17,094 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 923 transitions. [2023-12-02 16:10:17,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-12-02 16:10:17,102 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:10:17,102 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:10:17,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-12-02 16:10:17,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 16:10:17,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/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 (10)] Ended with exit code 0 [2023-12-02 16:10:17,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/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 16:10:17,703 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:10:17,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:10:17,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1399735556, now seen corresponding path program 1 times [2023-12-02 16:10:17,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:10:17,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [746622264] [2023-12-02 16:10:17,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:10:17,705 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 16:10:17,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:10:17,706 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/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 16:10:17,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0a9fea-c255-4562-8c60-810d08de633f/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 (13)] Waiting until timeout for monitored process [2023-12-02 16:10:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:10:18,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 60 conjunts are in the unsatisfiable core [2023-12-02 16:10:18,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:13:13,939 WARN L293 SmtUtils]: Spent 46.63s on a formula simplification that was a NOOP. DAG size: 78 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:15:05,218 WARN L293 SmtUtils]: Spent 52.51s on a formula simplification that was a NOOP. DAG size: 81 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:17:15,281 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse2 (fp.neg .cse1)) (.cse3 (fp.neg .cse0)) (.cse4 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (or (and (fp.leq c_~var_1_24~0 .cse0) (fp.geq c_~var_1_24~0 .cse1)) (and (fp.leq c_~var_1_24~0 .cse2) (fp.geq c_~var_1_24~0 .cse3))) (fp.gt ((_ to_fp 8 24) c_currentRoundingMode (/ 40000000000003.0 4.0)) c_~var_1_11~0) (bvsge ((_ zero_extend 24) c_~var_1_28~0) (_ bv1 32)) (fp.geq c_~var_1_20~0 .cse1) (or (and (fp.geq c_~var_1_25~0 .cse1) (fp.leq c_~var_1_25~0 .cse0)) (and (fp.geq c_~var_1_25~0 .cse3) (fp.leq c_~var_1_25~0 .cse2))) (fp.leq c_~var_1_20~0 .cse4) (bvsge ((_ zero_extend 24) c_~var_1_29~0) (_ bv1 32)) (fp.geq c_~var_1_11~0 .cse1) (= c_~var_1_36~0 ((_ sign_extend 8) c_~var_1_16~0)) (= (_ bv1 8) c_~var_1_27~0) (let ((.cse5 (fp.gt c_~var_1_24~0 c_~var_1_25~0))) (or (and (= (fp.add c_currentRoundingMode c_~var_1_11~0 (fp.add c_currentRoundingMode c_~var_1_24~0 c_~var_1_26~0)) c_~var_1_23~0) .cse5) (and (= (fp.add c_currentRoundingMode c_~var_1_11~0 (fp.add c_currentRoundingMode c_~var_1_25~0 c_~var_1_26~0)) c_~var_1_23~0) (not .cse5)))) (fp.gt c_~var_1_20~0 (fp.div c_currentRoundingMode c_~var_1_19~0 c_~var_1_37~0)) (or (and (fp.leq c_~var_1_26~0 .cse2) (fp.geq c_~var_1_26~0 .cse3)) (and (fp.geq c_~var_1_26~0 .cse1) (fp.leq c_~var_1_26~0 .cse0))) (fp.leq c_~var_1_10~0 .cse4) (fp.geq c_~var_1_10~0 .cse1) (bvsge ((_ zero_extend 24) c_~var_1_39~0) (_ bv1 32)) (= (bvadd c_~last_1_var_1_33~0 ((_ zero_extend 16) c_~var_1_7~0)) c_~var_1_21~0) (fp.leq c_~var_1_12~0 .cse4) (fp.geq c_~var_1_12~0 .cse1) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false