./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 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/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_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC --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 0.3.0-dev-6497de0 [2024-11-24 01:24:09,930 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:24:10,030 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 01:24:10,038 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:24:10,039 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:24:10,077 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:24:10,078 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:24:10,078 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:24:10,078 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:24:10,078 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:24:10,078 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:24:10,079 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:24:10,080 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:24:10,080 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:24:10,081 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:24:10,082 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:24:10,082 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:24:10,082 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:24:10,082 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:24:10,082 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:24:10,082 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:24:10,083 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:24:10,083 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:24:10,083 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:24:10,083 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:24:10,083 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:24:10,083 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:24:10,083 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:24:10,083 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:24:10,083 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:24:10,083 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:24:10,083 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:24:10,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:24:10,084 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:24:10,084 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:24:10,084 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:24:10,084 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:24:10,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:24:10,084 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:24:10,084 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:24:10,084 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:24:10,084 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:24:10,084 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:24:10,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:24:10,085 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:24:10,085 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:24:10,085 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:24:10,085 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:24:10,086 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC 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 [2024-11-24 01:24:10,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:24:10,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:24:10,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:24:10,419 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:24:10,420 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:24:10,422 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i [2024-11-24 01:24:13,391 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/data/eb67be479/3bfebb8292b74deea7ccc154a8294532/FLAGd69124122 [2024-11-24 01:24:13,752 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:24:13,755 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i [2024-11-24 01:24:13,775 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/data/eb67be479/3bfebb8292b74deea7ccc154a8294532/FLAGd69124122 [2024-11-24 01:24:13,803 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/data/eb67be479/3bfebb8292b74deea7ccc154a8294532 [2024-11-24 01:24:13,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:24:13,809 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:24:13,812 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:24:13,814 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:24:13,820 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:24:13,821 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:24:13" (1/1) ... [2024-11-24 01:24:13,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5efccea8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:24:13, skipping insertion in model container [2024-11-24 01:24:13,822 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:24:13" (1/1) ... [2024-11-24 01:24:13,849 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:24:14,069 WARN L250 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_cf446232-02d3-4661-be33-39af4cc5ec3b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i[917,930] [2024-11-24 01:24:14,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:24:14,166 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:24:14,181 WARN L250 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_cf446232-02d3-4661-be33-39af4cc5ec3b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i[917,930] [2024-11-24 01:24:14,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:24:14,261 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:24:14,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:24:14 WrapperNode [2024-11-24 01:24:14,261 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:24:14,262 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:24:14,263 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:24:14,263 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:24:14,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:24:14" (1/1) ... [2024-11-24 01:24:14,281 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:24:14" (1/1) ... [2024-11-24 01:24:14,329 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2024-11-24 01:24:14,331 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:24:14,332 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:24:14,332 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:24:14,333 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:24:14,345 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:24:14" (1/1) ... [2024-11-24 01:24:14,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:24:14" (1/1) ... [2024-11-24 01:24:14,355 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:24:14" (1/1) ... [2024-11-24 01:24:14,374 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]. [2024-11-24 01:24:14,374 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:24:14" (1/1) ... [2024-11-24 01:24:14,374 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:24:14" (1/1) ... [2024-11-24 01:24:14,388 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:24:14" (1/1) ... [2024-11-24 01:24:14,393 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:24:14" (1/1) ... [2024-11-24 01:24:14,396 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:24:14" (1/1) ... [2024-11-24 01:24:14,401 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:24:14" (1/1) ... [2024-11-24 01:24:14,402 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:24:14" (1/1) ... [2024-11-24 01:24:14,408 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:24:14,409 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:24:14,410 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:24:14,414 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:24:14,415 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:24:14" (1/1) ... [2024-11-24 01:24:14,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:24:14,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:24:14,455 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:24:14,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:24:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:24:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:24:14,489 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:24:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:24:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:24:14,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:24:14,577 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:24:14,579 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:24:14,911 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-24 01:24:14,911 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:24:14,921 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:24:14,922 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:24:14,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:24:14 BoogieIcfgContainer [2024-11-24 01:24:14,926 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:24:14,928 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:24:14,929 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:24:14,934 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:24:14,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:24:13" (1/3) ... [2024-11-24 01:24:14,935 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7422aca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:24:14, skipping insertion in model container [2024-11-24 01:24:14,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:24:14" (2/3) ... [2024-11-24 01:24:14,936 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7422aca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:24:14, skipping insertion in model container [2024-11-24 01:24:14,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:24:14" (3/3) ... [2024-11-24 01:24:14,937 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-53.i [2024-11-24 01:24:14,954 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:24:14,955 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-53.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:24:15,023 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:24:15,035 INFO L333 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, 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;@15e8bee6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:24:15,035 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:24:15,039 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 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) [2024-11-24 01:24:15,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-24 01:24:15,047 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:24:15,048 INFO L218 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, 1, 1, 1] [2024-11-24 01:24:15,048 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:24:15,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:24:15,053 INFO L85 PathProgramCache]: Analyzing trace with hash -678885089, now seen corresponding path program 1 times [2024-11-24 01:24:15,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:24:15,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151205071] [2024-11-24 01:24:15,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:24:15,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:24:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:24:15,455 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-24 01:24:15,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:24:15,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151205071] [2024-11-24 01:24:15,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151205071] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:24:15,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965428128] [2024-11-24 01:24:15,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:24:15,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:24:15,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:24:15,463 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:24:15,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:24:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:24:15,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:24:15,656 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:24:15,707 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-24 01:24:15,707 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:24:15,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965428128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:24:15,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:24:15,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 01:24:15,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416054452] [2024-11-24 01:24:15,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:24:15,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:24:15,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:24:15,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:24:15,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:24:15,747 INFO L87 Difference]: Start difference. First operand has 54 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 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 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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) [2024-11-24 01:24:15,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:24:15,780 INFO L93 Difference]: Finished difference Result 101 states and 172 transitions. [2024-11-24 01:24:15,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:24:15,782 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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 113 [2024-11-24 01:24:15,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:24:15,791 INFO L225 Difference]: With dead ends: 101 [2024-11-24 01:24:15,791 INFO L226 Difference]: Without dead ends: 50 [2024-11-24 01:24:15,795 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:24:15,800 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:24:15,803 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:24:15,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-24 01:24:15,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-24 01:24:15,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 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) [2024-11-24 01:24:15,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 73 transitions. [2024-11-24 01:24:15,848 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 73 transitions. Word has length 113 [2024-11-24 01:24:15,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:24:15,849 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 73 transitions. [2024-11-24 01:24:15,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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) [2024-11-24 01:24:15,849 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions. [2024-11-24 01:24:15,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-24 01:24:15,852 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:24:15,852 INFO L218 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, 1, 1, 1] [2024-11-24 01:24:15,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:24:16,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 01:24:16,053 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:24:16,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:24:16,054 INFO L85 PathProgramCache]: Analyzing trace with hash 10989083, now seen corresponding path program 1 times [2024-11-24 01:24:16,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:24:16,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262209515] [2024-11-24 01:24:16,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:24:16,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:24:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:24:18,498 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 3 proven. 93 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2024-11-24 01:24:18,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:24:18,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262209515] [2024-11-24 01:24:18,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262209515] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:24:18,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017170914] [2024-11-24 01:24:18,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:24:18,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:24:18,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:24:18,504 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:24:18,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 01:24:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:24:18,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-24 01:24:18,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:24:21,430 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 182 proven. 153 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2024-11-24 01:24:21,431 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:24:23,548 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 30 proven. 156 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-11-24 01:24:23,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2017170914] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:24:23,548 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:24:23,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 17, 15] total 37 [2024-11-24 01:24:23,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642656596] [2024-11-24 01:24:23,549 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:24:23,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-24 01:24:23,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:24:23,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-24 01:24:23,555 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=383, Invalid=949, Unknown=0, NotChecked=0, Total=1332 [2024-11-24 01:24:23,556 INFO L87 Difference]: Start difference. First operand 50 states and 73 transitions. Second operand has 37 states, 35 states have (on average 2.857142857142857) internal successors, (100), 33 states have internal predecessors, (100), 13 states have call successors, (54), 6 states have call predecessors, (54), 13 states have return successors, (54), 10 states have call predecessors, (54), 13 states have call successors, (54) [2024-11-24 01:24:25,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:24:25,200 INFO L93 Difference]: Finished difference Result 188 states and 256 transitions. [2024-11-24 01:24:25,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-24 01:24:25,202 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 35 states have (on average 2.857142857142857) internal successors, (100), 33 states have internal predecessors, (100), 13 states have call successors, (54), 6 states have call predecessors, (54), 13 states have return successors, (54), 10 states have call predecessors, (54), 13 states have call successors, (54) Word has length 113 [2024-11-24 01:24:25,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:24:25,205 INFO L225 Difference]: With dead ends: 188 [2024-11-24 01:24:25,205 INFO L226 Difference]: Without dead ends: 141 [2024-11-24 01:24:25,209 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 710 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=672, Invalid=1680, Unknown=0, NotChecked=0, Total=2352 [2024-11-24 01:24:25,210 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 251 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:24:25,210 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 472 Invalid, 910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-24 01:24:25,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-24 01:24:25,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 122. [2024-11-24 01:24:25,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 77 states have (on average 1.1818181818181819) internal successors, (91), 77 states have internal predecessors, (91), 36 states have call successors, (36), 8 states have call predecessors, (36), 8 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-24 01:24:25,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 163 transitions. [2024-11-24 01:24:25,250 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 163 transitions. Word has length 113 [2024-11-24 01:24:25,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:24:25,253 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 163 transitions. [2024-11-24 01:24:25,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 35 states have (on average 2.857142857142857) internal successors, (100), 33 states have internal predecessors, (100), 13 states have call successors, (54), 6 states have call predecessors, (54), 13 states have return successors, (54), 10 states have call predecessors, (54), 13 states have call successors, (54) [2024-11-24 01:24:25,255 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 163 transitions. [2024-11-24 01:24:25,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-24 01:24:25,258 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:24:25,258 INFO L218 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, 1, 1, 1, 1] [2024-11-24 01:24:25,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 01:24:25,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:24:25,459 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:24:25,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:24:25,459 INFO L85 PathProgramCache]: Analyzing trace with hash -236601490, now seen corresponding path program 1 times [2024-11-24 01:24:25,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:24:25,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974349116] [2024-11-24 01:24:25,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:24:25,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:24:25,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:24:26,155 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 51 proven. 84 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2024-11-24 01:24:26,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:24:26,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974349116] [2024-11-24 01:24:26,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974349116] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:24:26,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1478180318] [2024-11-24 01:24:26,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:24:26,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:24:26,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:24:26,158 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:24:26,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 01:24:26,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:24:26,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-24 01:24:26,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:24:27,436 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 379 proven. 120 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-24 01:24:27,436 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:24:29,249 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 51 proven. 93 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-11-24 01:24:29,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1478180318] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:24:29,249 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:24:29,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 14, 11] total 26 [2024-11-24 01:24:29,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415806634] [2024-11-24 01:24:29,249 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:24:29,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-24 01:24:29,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:24:29,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-24 01:24:29,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=475, Unknown=0, NotChecked=0, Total=650 [2024-11-24 01:24:29,252 INFO L87 Difference]: Start difference. First operand 122 states and 163 transitions. Second operand has 26 states, 26 states have (on average 2.9615384615384617) internal successors, (77), 25 states have internal predecessors, (77), 11 states have call successors, (47), 5 states have call predecessors, (47), 11 states have return successors, (49), 11 states have call predecessors, (49), 11 states have call successors, (49) [2024-11-24 01:24:30,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:24:30,401 INFO L93 Difference]: Finished difference Result 271 states and 341 transitions. [2024-11-24 01:24:30,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-24 01:24:30,408 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 2.9615384615384617) internal successors, (77), 25 states have internal predecessors, (77), 11 states have call successors, (47), 5 states have call predecessors, (47), 11 states have return successors, (49), 11 states have call predecessors, (49), 11 states have call successors, (49) Word has length 114 [2024-11-24 01:24:30,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:24:30,410 INFO L225 Difference]: With dead ends: 271 [2024-11-24 01:24:30,410 INFO L226 Difference]: Without dead ends: 152 [2024-11-24 01:24:30,414 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=359, Invalid=831, Unknown=0, NotChecked=0, Total=1190 [2024-11-24 01:24:30,415 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 94 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:24:30,416 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 172 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:24:30,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-11-24 01:24:30,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 140. [2024-11-24 01:24:30,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 88 states have (on average 1.0795454545454546) internal successors, (95), 88 states have internal predecessors, (95), 36 states have call successors, (36), 15 states have call predecessors, (36), 15 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-24 01:24:30,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 167 transitions. [2024-11-24 01:24:30,464 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 167 transitions. Word has length 114 [2024-11-24 01:24:30,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:24:30,464 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 167 transitions. [2024-11-24 01:24:30,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.9615384615384617) internal successors, (77), 25 states have internal predecessors, (77), 11 states have call successors, (47), 5 states have call predecessors, (47), 11 states have return successors, (49), 11 states have call predecessors, (49), 11 states have call successors, (49) [2024-11-24 01:24:30,465 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 167 transitions. [2024-11-24 01:24:30,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-24 01:24:30,466 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:24:30,467 INFO L218 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, 1, 1, 1, 1] [2024-11-24 01:24:30,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-24 01:24:30,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:24:30,671 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:24:30,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:24:30,672 INFO L85 PathProgramCache]: Analyzing trace with hash -916659860, now seen corresponding path program 1 times [2024-11-24 01:24:30,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:24:30,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991003112] [2024-11-24 01:24:30,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:24:30,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:24:30,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:24:30,740 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:24:30,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:24:30,844 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 01:24:30,844 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 01:24:30,845 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:24:30,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:24:30,851 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-24 01:24:30,948 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:24:30,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:24:30 BoogieIcfgContainer [2024-11-24 01:24:30,955 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:24:30,955 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:24:30,956 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:24:30,956 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:24:30,957 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:24:14" (3/4) ... [2024-11-24 01:24:30,959 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 01:24:30,960 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:24:30,961 INFO L158 Benchmark]: Toolchain (without parser) took 17152.68ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 92.3MB in the beginning and 134.0MB in the end (delta: -41.7MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2024-11-24 01:24:30,962 INFO L158 Benchmark]: CDTParser took 1.53ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:24:30,962 INFO L158 Benchmark]: CACSL2BoogieTranslator took 449.51ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 79.2MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:24:30,963 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.92ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 76.7MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:24:30,963 INFO L158 Benchmark]: Boogie Preprocessor took 76.33ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 73.7MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:24:30,965 INFO L158 Benchmark]: RCFGBuilder took 517.06ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 57.4MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:24:30,965 INFO L158 Benchmark]: TraceAbstraction took 16026.53ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 56.8MB in the beginning and 134.1MB in the end (delta: -77.2MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-24 01:24:30,965 INFO L158 Benchmark]: Witness Printer took 5.03ms. Allocated memory is still 176.2MB. Free memory was 134.1MB in the beginning and 134.0MB in the end (delta: 33.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:24:30,967 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.53ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 449.51ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 79.2MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.92ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 76.7MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 76.33ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 73.7MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 517.06ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 57.4MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 16026.53ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 56.8MB in the beginning and 134.1MB in the end (delta: -77.2MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Witness Printer took 5.03ms. Allocated memory is still 176.2MB. Free memory was 134.1MB in the beginning and 134.0MB in the end (delta: 33.1kB). 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 80, overapproximation of someBinaryDOUBLEComparisonOperation at line 99, overapproximation of someBinaryDOUBLEComparisonOperation at line 82, overapproximation of someBinaryDOUBLEComparisonOperation at line 44, overapproximation of someBinaryDOUBLEComparisonOperation at line 53. 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; VAL [isInitial=0, 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=1456677701, 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] [L103] isInitial = 1 [L104] FCALL initially() [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, 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, 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=5368709119, 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, 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=5368709119, 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=5368709119, 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=5368709119, 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, 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=5368709119, 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=5368709119, 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=5368709119, 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, 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=5368709119, 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=5368709119, 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=5368709119, var_1_5=536870911, 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, 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=5368709119, var_1_5=536870911, 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=5368709119, var_1_5=536870911, 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=5368709119, var_1_5=536870911, var_1_6=0, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) 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=5368709119, var_1_5=536870911, 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=5368709119, var_1_5=536870911, 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=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) 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=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, 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=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, 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=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) 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=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, 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=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, 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=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) 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=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, 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=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, 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=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) 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=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, 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=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, 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=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) 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=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, 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=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, 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=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, 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=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, 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=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, 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=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, 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=-(((__int128) 1 << 64) | 4611686007689969665), var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, 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=-(((__int128) 1 << 64) | 4611686007689969665), var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, 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=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, 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=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, 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=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, 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=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, 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=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, 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=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, 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=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=-256, var_1_7=-256, 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=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=-256, var_1_7=-256, 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=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=0, var_1_16=1, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=-256, var_1_7=-256, 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=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=0, var_1_16=1, var_1_1=-4294967296, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=-256, var_1_7=-256, 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, var_1_11=1, var_1_12=0, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=0, var_1_16=1, var_1_1=-4294967296, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=-256, var_1_7=-256, var_1_8=0] [L53] COND FALSE !(var_1_9 == var_1_10) VAL [isInitial=1, stepLocal_0=1073741823, var_1_11=1, var_1_12=0, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=0, var_1_16=1, var_1_1=-4294967296, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=-256, var_1_7=-256, 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)))) ; VAL [\result=0, isInitial=1, var_1_11=1, var_1_12=0, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=0, var_1_16=1, var_1_1=-4294967296, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=-256, var_1_7=-256, var_1_8=0] [L109] RET, EXPR property() [L109] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_11=1, var_1_12=0, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=0, var_1_16=1, var_1_1=-4294967296, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=-256, var_1_7=-256, var_1_8=0] [L19] reach_error() VAL [isInitial=1, var_1_11=1, var_1_12=0, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=0, var_1_16=1, var_1_1=-4294967296, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=-256, var_1_7=-256, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.9s, OverallIterations: 4, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 355 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 345 mSDsluCounter, 717 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 544 mSDsCounter, 213 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1046 IncrementalHoareTripleChecker+Invalid, 1259 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 213 mSolverCounterUnsat, 173 mSDtfsCounter, 1046 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 610 GetRequests, 530 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 966 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=140occurred in iteration=3, InterpolantAutomatonStates: 57, 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, 3 MinimizatonAttempts, 31 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 10.8s InterpolantComputationTime, 794 NumberOfCodeBlocks, 794 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 899 ConstructedInterpolants, 0 QuantifiedInterpolants, 7176 SizeOfPredicates, 11 NumberOfNonLiveVariables, 772 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 4163/4896 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 01:24:30,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/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_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC --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 0.3.0-dev-6497de0 [2024-11-24 01:24:33,852 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:24:34,016 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 01:24:34,027 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:24:34,028 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:24:34,070 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:24:34,072 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:24:34,072 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:24:34,073 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:24:34,073 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:24:34,074 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:24:34,075 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:24:34,075 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:24:34,075 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:24:34,076 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:24:34,076 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:24:34,077 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:24:34,077 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:24:34,077 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:24:34,077 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:24:34,077 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:24:34,077 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:24:34,077 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:24:34,077 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 01:24:34,077 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 01:24:34,078 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 01:24:34,078 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:24:34,078 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:24:34,078 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:24:34,078 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:24:34,079 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:24:34,079 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:24:34,080 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:24:34,080 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:24:34,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:24:34,080 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:24:34,080 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:24:34,080 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:24:34,080 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:24:34,081 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:24:34,081 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:24:34,081 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:24:34,081 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:24:34,081 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:24:34,082 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 01:24:34,082 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 01:24:34,082 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:24:34,082 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:24:34,082 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:24:34,082 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:24:34,083 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC 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 [2024-11-24 01:24:34,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:24:34,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:24:34,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:24:34,428 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:24:34,428 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:24:34,430 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i [2024-11-24 01:24:37,570 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/data/20604ce9e/35458969b14140bd82a0e4a5e65f41b8/FLAG91f01e9be [2024-11-24 01:24:37,833 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:24:37,834 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i [2024-11-24 01:24:37,844 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/data/20604ce9e/35458969b14140bd82a0e4a5e65f41b8/FLAG91f01e9be [2024-11-24 01:24:38,135 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/data/20604ce9e/35458969b14140bd82a0e4a5e65f41b8 [2024-11-24 01:24:38,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:24:38,141 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:24:38,143 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:24:38,143 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:24:38,147 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:24:38,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:24:38" (1/1) ... [2024-11-24 01:24:38,149 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ef6cf37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:24:38, skipping insertion in model container [2024-11-24 01:24:38,149 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:24:38" (1/1) ... [2024-11-24 01:24:38,171 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:24:38,359 WARN L250 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_cf446232-02d3-4661-be33-39af4cc5ec3b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i[917,930] [2024-11-24 01:24:38,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:24:38,433 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:24:38,448 WARN L250 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_cf446232-02d3-4661-be33-39af4cc5ec3b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i[917,930] [2024-11-24 01:24:38,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:24:38,499 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:24:38,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:24:38 WrapperNode [2024-11-24 01:24:38,500 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:24:38,501 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:24:38,502 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:24:38,502 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:24:38,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:24:38" (1/1) ... [2024-11-24 01:24:38,523 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:24:38" (1/1) ... [2024-11-24 01:24:38,550 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2024-11-24 01:24:38,551 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:24:38,552 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:24:38,552 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:24:38,552 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:24:38,563 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:24:38" (1/1) ... [2024-11-24 01:24:38,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:24:38" (1/1) ... [2024-11-24 01:24:38,568 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:24:38" (1/1) ... [2024-11-24 01:24:38,579 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]. [2024-11-24 01:24:38,587 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:24:38" (1/1) ... [2024-11-24 01:24:38,587 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:24:38" (1/1) ... [2024-11-24 01:24:38,598 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:24:38" (1/1) ... [2024-11-24 01:24:38,599 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:24:38" (1/1) ... [2024-11-24 01:24:38,604 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:24:38" (1/1) ... [2024-11-24 01:24:38,610 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:24:38" (1/1) ... [2024-11-24 01:24:38,611 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:24:38" (1/1) ... [2024-11-24 01:24:38,617 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:24:38,622 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:24:38,622 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:24:38,623 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:24:38,624 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:24:38" (1/1) ... [2024-11-24 01:24:38,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:24:38,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:24:38,663 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:24:38,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:24:38,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:24:38,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 01:24:38,701 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:24:38,701 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:24:38,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:24:38,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:24:38,829 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:24:38,832 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:24:39,679 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-24 01:24:39,679 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:24:39,691 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:24:39,692 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:24:39,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:24:39 BoogieIcfgContainer [2024-11-24 01:24:39,692 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:24:39,695 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:24:39,696 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:24:39,702 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:24:39,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:24:38" (1/3) ... [2024-11-24 01:24:39,703 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@644f0b88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:24:39, skipping insertion in model container [2024-11-24 01:24:39,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:24:38" (2/3) ... [2024-11-24 01:24:39,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@644f0b88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:24:39, skipping insertion in model container [2024-11-24 01:24:39,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:24:39" (3/3) ... [2024-11-24 01:24:39,706 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-53.i [2024-11-24 01:24:39,727 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:24:39,729 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-53.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:24:39,800 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:24:39,836 INFO L333 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, 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;@754c2c0a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:24:39,836 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:24:39,841 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 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) [2024-11-24 01:24:39,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-24 01:24:39,858 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:24:39,860 INFO L218 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, 1, 1, 1] [2024-11-24 01:24:39,860 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:24:39,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:24:39,866 INFO L85 PathProgramCache]: Analyzing trace with hash -678885089, now seen corresponding path program 1 times [2024-11-24 01:24:39,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:24:39,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [938379801] [2024-11-24 01:24:39,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:24:39,879 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 [2024-11-24 01:24:39,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:24:39,883 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 01:24:39,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:24:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:24:40,177 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:24:40,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:24:40,233 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-24 01:24:40,233 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:24:40,234 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:24:40,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [938379801] [2024-11-24 01:24:40,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [938379801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:24:40,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:24:40,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:24:40,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619259541] [2024-11-24 01:24:40,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:24:40,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:24:40,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:24:40,261 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:24:40,262 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:24:40,264 INFO L87 Difference]: Start difference. First operand has 54 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 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 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 01:24:40,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:24:40,290 INFO L93 Difference]: Finished difference Result 101 states and 172 transitions. [2024-11-24 01:24:40,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:24:40,294 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 113 [2024-11-24 01:24:40,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:24:40,302 INFO L225 Difference]: With dead ends: 101 [2024-11-24 01:24:40,303 INFO L226 Difference]: Without dead ends: 50 [2024-11-24 01:24:40,307 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:24:40,313 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:24:40,314 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:24:40,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-24 01:24:40,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-24 01:24:40,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 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) [2024-11-24 01:24:40,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 73 transitions. [2024-11-24 01:24:40,350 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 73 transitions. Word has length 113 [2024-11-24 01:24:40,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:24:40,350 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 73 transitions. [2024-11-24 01:24:40,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 01:24:40,351 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions. [2024-11-24 01:24:40,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-24 01:24:40,354 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:24:40,355 INFO L218 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, 1, 1, 1] [2024-11-24 01:24:40,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/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)] Ended with exit code 0 [2024-11-24 01:24:40,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:24:40,556 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:24:40,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:24:40,557 INFO L85 PathProgramCache]: Analyzing trace with hash 10989083, now seen corresponding path program 1 times [2024-11-24 01:24:40,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:24:40,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1355214024] [2024-11-24 01:24:40,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:24:40,558 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 [2024-11-24 01:24:40,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:24:40,560 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 01:24:40,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:24:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:24:40,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-24 01:24:40,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:24:43,041 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 80 proven. 168 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 01:24:43,042 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:24:43,399 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:24:43,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1355214024] [2024-11-24 01:24:43,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1355214024] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:24:43,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [443365917] [2024-11-24 01:24:43,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:24:43,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 01:24:43,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 01:24:43,403 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 01:24:43,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf446232-02d3-4661-be33-39af4cc5ec3b/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-24 01:24:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:24:43,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-24 01:24:43,944 INFO L279 TraceCheckSpWp]: Computing forward predicates...