./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 59a501260da967ec7da4156f518c44b77b2b3a1718cb97e1e20f43e883a3b147 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:52:15,604 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:52:15,671 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 02:52:15,676 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:52:15,677 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:52:15,703 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:52:15,704 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:52:15,705 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:52:15,706 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:52:15,707 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:52:15,707 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:52:15,708 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:52:15,709 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:52:15,710 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:52:15,710 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:52:15,711 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:52:15,712 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:52:15,712 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:52:15,713 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:52:15,713 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:52:15,714 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:52:15,714 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:52:15,715 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:52:15,716 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:52:15,716 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:52:15,717 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:52:15,717 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:52:15,718 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:52:15,718 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:52:15,719 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:52:15,719 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:52:15,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:52:15,720 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:52:15,721 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:52:15,721 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:52:15,721 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:52:15,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:52:15,722 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:52:15,722 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:52:15,722 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:52:15,722 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:52:15,723 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:52:15,723 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59a501260da967ec7da4156f518c44b77b2b3a1718cb97e1e20f43e883a3b147 [2023-11-29 02:52:15,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:52:15,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:52:15,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:52:15,977 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:52:15,977 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:52:15,978 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i [2023-11-29 02:52:18,810 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:52:19,019 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:52:19,020 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i [2023-11-29 02:52:19,028 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/data/82460369b/87435d95162e45b7bff36153b2792981/FLAG6a991de8c [2023-11-29 02:52:19,043 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/data/82460369b/87435d95162e45b7bff36153b2792981 [2023-11-29 02:52:19,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:52:19,048 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:52:19,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:52:19,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:52:19,055 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:52:19,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:52:19" (1/1) ... [2023-11-29 02:52:19,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f3f9957 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:52:19, skipping insertion in model container [2023-11-29 02:52:19,057 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:52:19" (1/1) ... [2023-11-29 02:52:19,086 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:52:19,231 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_2874199b-9a8f-4617-b5c8-c588f21c1772/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i[917,930] [2023-11-29 02:52:19,276 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:52:19,289 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:52:19,301 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_2874199b-9a8f-4617-b5c8-c588f21c1772/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i[917,930] [2023-11-29 02:52:19,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:52:19,341 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:52:19,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:52:19 WrapperNode [2023-11-29 02:52:19,341 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:52:19,342 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:52:19,342 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:52:19,343 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:52:19,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:52:19" (1/1) ... [2023-11-29 02:52:19,362 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:52:19" (1/1) ... [2023-11-29 02:52:19,392 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2023-11-29 02:52:19,393 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:52:19,394 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:52:19,394 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:52:19,394 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:52:19,404 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:52:19" (1/1) ... [2023-11-29 02:52:19,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:52:19" (1/1) ... [2023-11-29 02:52:19,407 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:52:19" (1/1) ... [2023-11-29 02:52:19,421 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 02:52:19,422 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:52:19" (1/1) ... [2023-11-29 02:52:19,422 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:52:19" (1/1) ... [2023-11-29 02:52:19,429 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:52:19" (1/1) ... [2023-11-29 02:52:19,433 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:52:19" (1/1) ... [2023-11-29 02:52:19,435 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:52:19" (1/1) ... [2023-11-29 02:52:19,437 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:52:19" (1/1) ... [2023-11-29 02:52:19,441 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:52:19,442 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:52:19,442 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:52:19,442 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:52:19,443 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:52:19" (1/1) ... [2023-11-29 02:52:19,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:52:19,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:52:19,475 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:52:19,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:52:19,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:52:19,525 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 02:52:19,525 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 02:52:19,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 02:52:19,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:52:19,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:52:19,606 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:52:19,609 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:52:19,875 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:52:19,922 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:52:19,922 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 02:52:19,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:52:19 BoogieIcfgContainer [2023-11-29 02:52:19,923 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:52:19,926 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:52:19,926 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:52:19,929 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:52:19,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:52:19" (1/3) ... [2023-11-29 02:52:19,930 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5170b9a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:52:19, skipping insertion in model container [2023-11-29 02:52:19,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:52:19" (2/3) ... [2023-11-29 02:52:19,931 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5170b9a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:52:19, skipping insertion in model container [2023-11-29 02:52:19,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:52:19" (3/3) ... [2023-11-29 02:52:19,933 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-53.i [2023-11-29 02:52:19,949 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:52:19,949 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:52:19,995 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:52:20,002 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=PETRI_NET, 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;@78606383, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:52:20,002 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:52:20,006 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 28 states have internal predecessors, (38), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-29 02:52:20,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-29 02:52:20,018 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:52:20,019 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:52:20,020 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:52:20,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:52:20,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1140265954, now seen corresponding path program 1 times [2023-11-29 02:52:20,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:52:20,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481236634] [2023-11-29 02:52:20,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:52:20,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:52:20,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:20,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 02:52:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:20,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 02:52:20,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:20,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 02:52:20,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:20,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 02:52:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:20,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 02:52:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:20,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 02:52:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:20,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 02:52:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:20,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-29 02:52:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:20,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 02:52:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:20,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-29 02:52:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:20,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 02:52:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:20,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-29 02:52:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:20,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 02:52:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:20,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 02:52:20,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:20,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 02:52:20,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:20,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 02:52:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:20,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 02:52:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:20,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-29 02:52:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:20,384 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-29 02:52:20,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:52:20,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481236634] [2023-11-29 02:52:20,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481236634] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:52:20,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:52:20,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:52:20,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134285610] [2023-11-29 02:52:20,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:52:20,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:52:20,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:52:20,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:52:20,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:52:20,427 INFO L87 Difference]: Start difference. First operand has 48 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 28 states have internal predecessors, (38), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 02:52:20,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:52:20,471 INFO L93 Difference]: Finished difference Result 93 states and 164 transitions. [2023-11-29 02:52:20,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:52:20,474 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 109 [2023-11-29 02:52:20,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:52:20,483 INFO L225 Difference]: With dead ends: 93 [2023-11-29 02:52:20,483 INFO L226 Difference]: Without dead ends: 46 [2023-11-29 02:52:20,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:52:20,491 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:52:20,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:52:20,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-29 02:52:20,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-29 02:52:20,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 26 states have internal predecessors, (33), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-29 02:52:20,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 69 transitions. [2023-11-29 02:52:20,534 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 69 transitions. Word has length 109 [2023-11-29 02:52:20,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:52:20,534 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 69 transitions. [2023-11-29 02:52:20,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 02:52:20,535 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 69 transitions. [2023-11-29 02:52:20,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-29 02:52:20,539 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:52:20,539 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:52:20,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:52:20,540 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:52:20,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:52:20,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1514387362, now seen corresponding path program 1 times [2023-11-29 02:52:20,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:52:20,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002532916] [2023-11-29 02:52:20,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:52:20,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:52:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:22,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 02:52:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:22,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 02:52:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:22,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 02:52:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:22,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 02:52:22,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:22,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 02:52:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:22,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 02:52:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:22,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 02:52:22,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:22,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-29 02:52:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:22,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 02:52:22,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:22,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-29 02:52:22,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:22,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 02:52:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:22,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-29 02:52:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:22,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 02:52:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:22,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 02:52:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:22,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 02:52:22,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:22,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 02:52:22,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:22,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 02:52:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:22,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-29 02:52:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:22,755 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 42 proven. 93 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2023-11-29 02:52:22,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:52:22,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002532916] [2023-11-29 02:52:22,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002532916] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:52:22,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871697681] [2023-11-29 02:52:22,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:52:22,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:52:22,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:52:22,760 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:52:22,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 02:52:22,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:22,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-29 02:52:22,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:52:28,580 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 118 proven. 129 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2023-11-29 02:52:28,581 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:52:29,968 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 6 proven. 138 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2023-11-29 02:52:29,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871697681] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:52:29,969 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:52:29,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 12] total 29 [2023-11-29 02:52:29,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981542053] [2023-11-29 02:52:29,970 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:52:29,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-11-29 02:52:29,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:52:29,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-11-29 02:52:29,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=607, Unknown=1, NotChecked=0, Total=812 [2023-11-29 02:52:29,975 INFO L87 Difference]: Start difference. First operand 46 states and 69 transitions. Second operand has 29 states, 28 states have (on average 2.7857142857142856) internal successors, (78), 27 states have internal predecessors, (78), 10 states have call successors, (54), 5 states have call predecessors, (54), 10 states have return successors, (54), 8 states have call predecessors, (54), 10 states have call successors, (54) [2023-11-29 02:52:31,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:52:31,897 INFO L93 Difference]: Finished difference Result 174 states and 236 transitions. [2023-11-29 02:52:31,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-11-29 02:52:31,898 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 2.7857142857142856) internal successors, (78), 27 states have internal predecessors, (78), 10 states have call successors, (54), 5 states have call predecessors, (54), 10 states have return successors, (54), 8 states have call predecessors, (54), 10 states have call successors, (54) Word has length 109 [2023-11-29 02:52:31,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:52:31,901 INFO L225 Difference]: With dead ends: 174 [2023-11-29 02:52:31,901 INFO L226 Difference]: Without dead ends: 129 [2023-11-29 02:52:31,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 238 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 603 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=743, Invalid=2012, Unknown=1, NotChecked=0, Total=2756 [2023-11-29 02:52:31,905 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 114 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:52:31,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 350 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 02:52:31,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2023-11-29 02:52:31,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 111. [2023-11-29 02:52:31,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 65 states have (on average 1.123076923076923) internal successors, (73), 65 states have internal predecessors, (73), 36 states have call successors, (36), 9 states have call predecessors, (36), 9 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-29 02:52:31,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 145 transitions. [2023-11-29 02:52:31,940 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 145 transitions. Word has length 109 [2023-11-29 02:52:31,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:52:31,941 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 145 transitions. [2023-11-29 02:52:31,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 2.7857142857142856) internal successors, (78), 27 states have internal predecessors, (78), 10 states have call successors, (54), 5 states have call predecessors, (54), 10 states have return successors, (54), 8 states have call predecessors, (54), 10 states have call successors, (54) [2023-11-29 02:52:31,942 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 145 transitions. [2023-11-29 02:52:31,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-29 02:52:31,944 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:52:31,944 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:52:31,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 02:52:32,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:52:32,145 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:52:32,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:52:32,145 INFO L85 PathProgramCache]: Analyzing trace with hash 490129999, now seen corresponding path program 1 times [2023-11-29 02:52:32,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:52:32,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696392182] [2023-11-29 02:52:32,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:52:32,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:52:32,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:52:32,236 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:52:32,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:52:32,316 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 02:52:32,316 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 02:52:32,317 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 02:52:32,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 02:52:32,322 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-29 02:52:32,325 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:52:32,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:52:32 BoogieIcfgContainer [2023-11-29 02:52:32,389 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:52:32,389 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:52:32,389 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:52:32,390 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:52:32,390 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:52:19" (3/4) ... [2023-11-29 02:52:32,392 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 02:52:32,393 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:52:32,393 INFO L158 Benchmark]: Toolchain (without parser) took 13345.40ms. Allocated memory was 142.6MB in the beginning and 230.7MB in the end (delta: 88.1MB). Free memory was 111.2MB in the beginning and 86.0MB in the end (delta: 25.1MB). Peak memory consumption was 114.7MB. Max. memory is 16.1GB. [2023-11-29 02:52:32,394 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 113.2MB. Free memory is still 69.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:52:32,394 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.02ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 98.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 02:52:32,395 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.63ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 95.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:52:32,395 INFO L158 Benchmark]: Boogie Preprocessor took 47.50ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 91.8MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 02:52:32,396 INFO L158 Benchmark]: RCFGBuilder took 481.43ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 72.5MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 02:52:32,396 INFO L158 Benchmark]: TraceAbstraction took 12463.06ms. Allocated memory was 142.6MB in the beginning and 230.7MB in the end (delta: 88.1MB). Free memory was 72.1MB in the beginning and 86.0MB in the end (delta: -14.0MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. [2023-11-29 02:52:32,397 INFO L158 Benchmark]: Witness Printer took 3.41ms. Allocated memory is still 230.7MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:52:32,399 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 113.2MB. Free memory is still 69.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.02ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 98.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.63ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 95.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.50ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 91.8MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 481.43ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 72.5MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 12463.06ms. Allocated memory was 142.6MB in the beginning and 230.7MB in the end (delta: 88.1MB). Free memory was 72.1MB in the beginning and 86.0MB in the end (delta: -14.0MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. * Witness Printer took 3.41ms. Allocated memory is still 230.7MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 99. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 5; [L23] unsigned long int var_1_3 = 1456677701; [L24] unsigned long int var_1_4 = 1000000000; [L25] unsigned long int var_1_5 = 1; [L26] unsigned char var_1_6 = 0; [L27] unsigned char var_1_7 = 0; [L28] unsigned char var_1_8 = 0; [L29] double var_1_9 = 256.5; [L30] double var_1_10 = 8.8; [L31] unsigned char var_1_11 = 1; [L32] unsigned short int var_1_12 = 16; [L33] unsigned long int var_1_13 = 3110219175; [L34] unsigned short int var_1_14 = 128; [L35] unsigned char var_1_15 = 1; [L36] unsigned char var_1_16 = 0; [L103] isInitial = 1 [L104] FCALL initially() [L105] COND TRUE 1 [L106] FCALL updateLastVariables() [L107] CALL updateVariables() [L67] var_1_3 = __VERIFIER_nondet_ulong() [L68] CALL assume_abort_if_not(var_1_3 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L68] RET assume_abort_if_not(var_1_3 >= 1073741823) VAL [isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L69] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L69] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L70] var_1_4 = __VERIFIER_nondet_ulong() [L71] CALL assume_abort_if_not(var_1_4 >= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L71] RET assume_abort_if_not(var_1_4 >= 536870911) VAL [isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L72] CALL assume_abort_if_not(var_1_4 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L72] RET assume_abort_if_not(var_1_4 <= 1073741823) VAL [isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L73] var_1_5 = __VERIFIER_nondet_ulong() [L74] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L74] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L75] CALL assume_abort_if_not(var_1_5 <= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L75] RET assume_abort_if_not(var_1_5 <= 536870911) VAL [isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L76] var_1_7 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_8=0, var_1_9=513/2] [L77] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_8=0, var_1_9=513/2] [L78] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L78] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L79] var_1_9 = __VERIFIER_nondet_double() [L80] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L80] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L81] var_1_10 = __VERIFIER_nondet_double() [L82] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L82] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L83] var_1_11 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L84] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L85] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L85] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L86] var_1_13 = __VERIFIER_nondet_ulong() [L87] CALL assume_abort_if_not(var_1_13 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L87] RET assume_abort_if_not(var_1_13 >= 2147483647) VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L88] CALL assume_abort_if_not(var_1_13 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L88] RET assume_abort_if_not(var_1_13 <= 4294967295) VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L89] var_1_14 = __VERIFIER_nondet_ushort() [L90] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L90] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L91] CALL assume_abort_if_not(var_1_14 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_14=0, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_14=0, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L91] RET assume_abort_if_not(var_1_14 <= 65534) VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_14=0, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L92] var_1_16 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L93] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L94] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L94] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L107] RET updateVariables() [L108] CALL step() [L40] var_1_6 = var_1_7 VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L41] COND TRUE var_1_5 <= (var_1_13 - var_1_4) [L42] var_1_12 = ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))) VAL [isInitial=1, var_1_11=1, var_1_12=0, var_1_13=2147483647, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L44] COND TRUE (var_1_9 * 16.5f) > var_1_10 [L45] var_1_15 = (! var_1_11) VAL [isInitial=1, var_1_11=1, var_1_12=0, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=1, var_1_1=5, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L49] var_1_1 = (var_1_12 + (var_1_3 - (var_1_4 - var_1_12))) [L50] signed long int stepLocal_1 = (((var_1_12) < (var_1_12)) ? (var_1_12) : (var_1_12)); [L51] unsigned long int stepLocal_0 = var_1_3; VAL [isInitial=1, stepLocal_0=1073741823, stepLocal_1=0, var_1_11=1, var_1_12=0, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=1, var_1_1=0, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L52] COND TRUE stepLocal_1 != ((((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3))) VAL [isInitial=1, stepLocal_0=1073741823, stepLocal_1=0, var_1_11=1, var_1_12=0, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=1, var_1_1=0, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L53] COND FALSE !(var_1_9 == var_1_10) VAL [isInitial=1, stepLocal_0=1073741823, stepLocal_1=0, var_1_11=1, var_1_12=0, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=1, var_1_1=0, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L108] RET step() [L109] CALL, EXPR property() [L99-L100] return ((((var_1_1 == ((unsigned long int) (var_1_12 + (var_1_3 - (var_1_4 - var_1_12))))) && (var_1_6 == ((unsigned char) var_1_7))) && ((((((var_1_12) < (var_1_12)) ? (var_1_12) : (var_1_12))) != ((((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3)))) ? ((var_1_9 == var_1_10) ? (var_1_6 ? ((var_1_3 >= var_1_12) ? (var_1_8 == ((unsigned char) (var_1_7 || var_1_11))) : (var_1_8 == ((unsigned char) var_1_7))) : 1) : 1) : (var_1_8 == ((unsigned char) var_1_11)))) && ((var_1_5 <= (var_1_13 - var_1_4)) ? (var_1_12 == ((unsigned short int) ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))))) : 1)) && (((var_1_9 * 16.5f) > var_1_10) ? (var_1_15 == ((unsigned char) (! var_1_11))) : (var_1_15 == ((unsigned char) (var_1_11 && var_1_16)))) ; [L109] RET, EXPR property() [L109] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_11=1, var_1_12=0, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=1, var_1_1=0, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_11=1, var_1_12=0, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=1, var_1_1=0, var_1_3=1073741823, var_1_4=1073741823, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.3s, OverallIterations: 3, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 115 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 114 mSDsluCounter, 416 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 302 mSDsCounter, 135 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 647 IncrementalHoareTripleChecker+Invalid, 782 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 135 mSolverCounterUnsat, 114 mSDtfsCounter, 647 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 346 GetRequests, 294 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 603 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=2, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 18 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 9.3s InterpolantComputationTime, 437 NumberOfCodeBlocks, 437 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 432 ConstructedInterpolants, 0 QuantifiedInterpolants, 4915 SizeOfPredicates, 9 NumberOfNonLiveVariables, 254 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 2088/2448 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 [2023-11-29 02:52:32,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 59a501260da967ec7da4156f518c44b77b2b3a1718cb97e1e20f43e883a3b147 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:52:34,425 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:52:34,498 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 02:52:34,512 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:52:34,513 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:52:34,540 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:52:34,540 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:52:34,541 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:52:34,541 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:52:34,542 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:52:34,543 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:52:34,543 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:52:34,544 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:52:34,545 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:52:34,546 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:52:34,546 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:52:34,547 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:52:34,548 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:52:34,548 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:52:34,549 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:52:34,549 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:52:34,550 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:52:34,550 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:52:34,551 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 02:52:34,551 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 02:52:34,552 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 02:52:34,553 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:52:34,553 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:52:34,554 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:52:34,555 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:52:34,555 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:52:34,555 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:52:34,556 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:52:34,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:52:34,556 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:52:34,557 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:52:34,557 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:52:34,557 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 02:52:34,557 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 02:52:34,558 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:52:34,558 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:52:34,558 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:52:34,558 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:52:34,559 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:52:34,559 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 02:52:34,559 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59a501260da967ec7da4156f518c44b77b2b3a1718cb97e1e20f43e883a3b147 [2023-11-29 02:52:34,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:52:34,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:52:34,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:52:34,892 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:52:34,892 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:52:34,894 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i [2023-11-29 02:52:37,785 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:52:37,969 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:52:37,969 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i [2023-11-29 02:52:37,979 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/data/80002d60c/5786c2b3c6cb4e77bbf7b4d0758db64b/FLAG921946b06 [2023-11-29 02:52:37,994 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/data/80002d60c/5786c2b3c6cb4e77bbf7b4d0758db64b [2023-11-29 02:52:37,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:52:37,999 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:52:38,000 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:52:38,001 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:52:38,005 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:52:38,006 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:52:37" (1/1) ... [2023-11-29 02:52:38,007 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b8a325e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:52:38, skipping insertion in model container [2023-11-29 02:52:38,008 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:52:37" (1/1) ... [2023-11-29 02:52:38,034 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:52:38,166 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_2874199b-9a8f-4617-b5c8-c588f21c1772/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i[917,930] [2023-11-29 02:52:38,227 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:52:38,243 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:52:38,256 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_2874199b-9a8f-4617-b5c8-c588f21c1772/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i[917,930] [2023-11-29 02:52:38,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:52:38,298 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:52:38,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:52:38 WrapperNode [2023-11-29 02:52:38,299 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:52:38,301 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:52:38,301 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:52:38,301 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:52:38,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:52:38" (1/1) ... [2023-11-29 02:52:38,321 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:52:38" (1/1) ... [2023-11-29 02:52:38,347 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2023-11-29 02:52:38,348 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:52:38,348 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:52:38,349 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:52:38,349 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:52:38,361 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:52:38" (1/1) ... [2023-11-29 02:52:38,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:52:38" (1/1) ... [2023-11-29 02:52:38,366 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:52:38" (1/1) ... [2023-11-29 02:52:38,379 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 02:52:38,380 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:52:38" (1/1) ... [2023-11-29 02:52:38,380 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:52:38" (1/1) ... [2023-11-29 02:52:38,390 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:52:38" (1/1) ... [2023-11-29 02:52:38,394 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:52:38" (1/1) ... [2023-11-29 02:52:38,397 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:52:38" (1/1) ... [2023-11-29 02:52:38,399 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:52:38" (1/1) ... [2023-11-29 02:52:38,403 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:52:38,404 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:52:38,404 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:52:38,405 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:52:38,406 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:52:38" (1/1) ... [2023-11-29 02:52:38,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:52:38,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:52:38,435 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:52:38,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:52:38,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:52:38,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 02:52:38,469 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 02:52:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 02:52:38,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:52:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:52:38,553 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:52:38,555 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:52:39,647 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:52:39,697 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:52:39,697 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 02:52:39,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:52:39 BoogieIcfgContainer [2023-11-29 02:52:39,698 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:52:39,700 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:52:39,700 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:52:39,702 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:52:39,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:52:37" (1/3) ... [2023-11-29 02:52:39,703 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b8f6fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:52:39, skipping insertion in model container [2023-11-29 02:52:39,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:52:38" (2/3) ... [2023-11-29 02:52:39,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b8f6fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:52:39, skipping insertion in model container [2023-11-29 02:52:39,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:52:39" (3/3) ... [2023-11-29 02:52:39,705 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-53.i [2023-11-29 02:52:39,729 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:52:39,730 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:52:39,769 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:52:39,776 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=PETRI_NET, 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;@79ca1ba0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:52:39,776 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:52:39,780 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 28 states have internal predecessors, (38), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-29 02:52:39,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-29 02:52:39,794 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:52:39,795 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:52:39,795 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:52:39,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:52:39,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1140265954, now seen corresponding path program 1 times [2023-11-29 02:52:39,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:52:39,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [636239183] [2023-11-29 02:52:39,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:52:39,816 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 [2023-11-29 02:52:39,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:52:39,817 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 02:52:39,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:52:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:40,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 02:52:40,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:52:40,136 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2023-11-29 02:52:40,137 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:52:40,137 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:52:40,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [636239183] [2023-11-29 02:52:40,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [636239183] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:52:40,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:52:40,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:52:40,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359121390] [2023-11-29 02:52:40,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:52:40,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:52:40,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:52:40,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:52:40,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:52:40,179 INFO L87 Difference]: Start difference. First operand has 48 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 28 states have internal predecessors, (38), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 02:52:40,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:52:40,278 INFO L93 Difference]: Finished difference Result 93 states and 164 transitions. [2023-11-29 02:52:40,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:52:40,287 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 109 [2023-11-29 02:52:40,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:52:40,293 INFO L225 Difference]: With dead ends: 93 [2023-11-29 02:52:40,293 INFO L226 Difference]: Without dead ends: 46 [2023-11-29 02:52:40,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:52:40,298 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:52:40,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:52:40,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-29 02:52:40,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-29 02:52:40,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 26 states have internal predecessors, (33), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-29 02:52:40,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 69 transitions. [2023-11-29 02:52:40,336 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 69 transitions. Word has length 109 [2023-11-29 02:52:40,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:52:40,336 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 69 transitions. [2023-11-29 02:52:40,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 02:52:40,337 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 69 transitions. [2023-11-29 02:52:40,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-29 02:52:40,340 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:52:40,340 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:52:40,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:52:40,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:52:40,541 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:52:40,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:52:40,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1514387362, now seen corresponding path program 1 times [2023-11-29 02:52:40,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:52:40,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [220532187] [2023-11-29 02:52:40,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:52:40,543 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 [2023-11-29 02:52:40,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:52:40,544 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 02:52:40,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:52:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:40,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 02:52:40,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:52:42,262 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 80 proven. 168 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 02:52:42,262 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:52:42,523 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:52:42,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [220532187] [2023-11-29 02:52:42,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [220532187] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:52:42,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [645341610] [2023-11-29 02:52:42,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:52:42,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 02:52:42,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 02:52:42,560 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 02:52:42,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-29 02:52:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:43,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 02:52:43,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:52:44,062 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 80 proven. 168 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 02:52:44,062 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:52:44,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [645341610] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:52:44,161 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:52:44,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 15 [2023-11-29 02:52:44,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411055067] [2023-11-29 02:52:44,163 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:52:44,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 02:52:44,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:52:44,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 02:52:44,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2023-11-29 02:52:44,166 INFO L87 Difference]: Start difference. First operand 46 states and 69 transitions. Second operand has 15 states, 15 states have (on average 2.2666666666666666) internal successors, (34), 13 states have internal predecessors, (34), 5 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 4 states have call predecessors, (18), 5 states have call successors, (18) [2023-11-29 02:52:44,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:52:44,975 INFO L93 Difference]: Finished difference Result 109 states and 151 transitions. [2023-11-29 02:52:44,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-29 02:52:44,982 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.2666666666666666) internal successors, (34), 13 states have internal predecessors, (34), 5 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 4 states have call predecessors, (18), 5 states have call successors, (18) Word has length 109 [2023-11-29 02:52:44,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:52:44,984 INFO L225 Difference]: With dead ends: 109 [2023-11-29 02:52:44,984 INFO L226 Difference]: Without dead ends: 64 [2023-11-29 02:52:44,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2023-11-29 02:52:44,987 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 31 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 02:52:44,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 174 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 02:52:44,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-11-29 02:52:45,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2023-11-29 02:52:45,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 38 states have (on average 1.1578947368421053) internal successors, (44), 38 states have internal predecessors, (44), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-29 02:52:45,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 80 transitions. [2023-11-29 02:52:45,003 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 80 transitions. Word has length 109 [2023-11-29 02:52:45,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:52:45,004 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 80 transitions. [2023-11-29 02:52:45,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.2666666666666666) internal successors, (34), 13 states have internal predecessors, (34), 5 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 4 states have call predecessors, (18), 5 states have call successors, (18) [2023-11-29 02:52:45,005 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 80 transitions. [2023-11-29 02:52:45,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-29 02:52:45,007 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:52:45,007 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:52:45,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:52:45,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-29 02:52:45,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 02:52:45,408 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:52:45,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:52:45,409 INFO L85 PathProgramCache]: Analyzing trace with hash -319216627, now seen corresponding path program 1 times [2023-11-29 02:52:45,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:52:45,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1748183228] [2023-11-29 02:52:45,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:52:45,410 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 [2023-11-29 02:52:45,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:52:45,411 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 02:52:45,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2874199b-9a8f-4617-b5c8-c588f21c1772/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:52:45,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:52:45,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-29 02:52:45,689 INFO L285 TraceCheckSpWp]: Computing forward predicates...