./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-64.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-64.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 55e583a0a9f7f2653eed51c0b81d821a7cc045000a63c3ac74a8989888b39b3b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:12:12,647 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:12:12,711 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 04:12:12,716 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:12:12,717 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:12:12,739 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:12:12,739 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:12:12,740 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:12:12,740 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:12:12,741 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:12:12,741 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:12:12,742 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:12:12,743 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:12:12,743 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:12:12,744 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:12:12,744 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:12:12,745 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:12:12,745 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:12:12,746 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:12:12,746 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:12:12,747 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:12:12,748 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:12:12,748 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:12:12,749 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:12:12,749 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:12:12,750 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:12:12,750 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:12:12,751 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:12:12,751 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:12:12,752 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:12:12,752 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:12:12,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:12:12,753 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:12:12,753 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:12:12,753 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:12:12,754 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:12:12,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:12:12,754 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:12:12,754 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:12:12,754 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:12:12,755 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:12:12,755 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:12:12,755 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55e583a0a9f7f2653eed51c0b81d821a7cc045000a63c3ac74a8989888b39b3b [2023-11-29 04:12:12,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:12:12,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:12:12,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:12:12,976 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:12:12,977 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:12:12,978 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-64.i [2023-11-29 04:12:15,699 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:12:15,869 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:12:15,870 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-64.i [2023-11-29 04:12:15,879 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/data/3475637de/749e4187e98f4e15bcf4d7f1c0342c5b/FLAG8f8b571e9 [2023-11-29 04:12:15,891 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/data/3475637de/749e4187e98f4e15bcf4d7f1c0342c5b [2023-11-29 04:12:15,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:12:15,895 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:12:15,896 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:12:15,896 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:12:15,901 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:12:15,902 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:12:15" (1/1) ... [2023-11-29 04:12:15,903 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1415298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:12:15, skipping insertion in model container [2023-11-29 04:12:15,903 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:12:15" (1/1) ... [2023-11-29 04:12:15,933 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:12:16,085 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-64.i[917,930] [2023-11-29 04:12:16,130 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:12:16,144 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:12:16,154 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-64.i[917,930] [2023-11-29 04:12:16,181 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:12:16,198 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:12:16,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:12:16 WrapperNode [2023-11-29 04:12:16,199 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:12:16,200 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:12:16,200 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:12:16,201 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:12:16,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:12:16" (1/1) ... [2023-11-29 04:12:16,217 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:12:16" (1/1) ... [2023-11-29 04:12:16,249 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 140 [2023-11-29 04:12:16,250 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:12:16,251 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:12:16,251 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:12:16,251 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:12:16,263 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:12:16" (1/1) ... [2023-11-29 04:12:16,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:12:16" (1/1) ... [2023-11-29 04:12:16,266 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:12:16" (1/1) ... [2023-11-29 04:12:16,280 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 04:12:16,281 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:12:16" (1/1) ... [2023-11-29 04:12:16,281 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:12:16" (1/1) ... [2023-11-29 04:12:16,290 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:12:16" (1/1) ... [2023-11-29 04:12:16,294 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:12:16" (1/1) ... [2023-11-29 04:12:16,296 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:12:16" (1/1) ... [2023-11-29 04:12:16,299 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:12:16" (1/1) ... [2023-11-29 04:12:16,303 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:12:16,304 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:12:16,304 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:12:16,304 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:12:16,305 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:12:16" (1/1) ... [2023-11-29 04:12:16,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:12:16,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:12:16,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:12:16,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:12:16,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:12:16,379 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 04:12:16,379 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 04:12:16,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 04:12:16,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:12:16,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:12:16,455 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:12:16,457 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:12:16,749 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:12:16,795 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:12:16,795 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 04:12:16,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:12:16 BoogieIcfgContainer [2023-11-29 04:12:16,796 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:12:16,798 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:12:16,798 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:12:16,802 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:12:16,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:12:15" (1/3) ... [2023-11-29 04:12:16,803 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54bcf7c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:12:16, skipping insertion in model container [2023-11-29 04:12:16,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:12:16" (2/3) ... [2023-11-29 04:12:16,803 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54bcf7c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:12:16, skipping insertion in model container [2023-11-29 04:12:16,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:12:16" (3/3) ... [2023-11-29 04:12:16,805 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-64.i [2023-11-29 04:12:16,820 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:12:16,821 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 04:12:16,862 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:12:16,868 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5177a67c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:12:16,868 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 04:12:16,872 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 37 states have (on average 1.4864864864864864) internal successors, (55), 38 states have internal predecessors, (55), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 04:12:16,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-29 04:12:16,886 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:12:16,886 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:12:16,887 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:12:16,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:12:16,892 INFO L85 PathProgramCache]: Analyzing trace with hash 467567381, now seen corresponding path program 1 times [2023-11-29 04:12:16,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:12:16,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582858209] [2023-11-29 04:12:16,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:12:16,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:12:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:17,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:12:17,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582858209] [2023-11-29 04:12:17,054 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 04:12:17,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223646062] [2023-11-29 04:12:17,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:12:17,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:12:17,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:12:17,058 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:12:17,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 04:12:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:17,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 04:12:17,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:12:17,247 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2023-11-29 04:12:17,248 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:12:17,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [223646062] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:12:17,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:12:17,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:12:17,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461283997] [2023-11-29 04:12:17,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:12:17,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 04:12:17,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:12:17,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 04:12:17,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:12:17,290 INFO L87 Difference]: Start difference. First operand has 60 states, 37 states have (on average 1.4864864864864864) internal successors, (55), 38 states have internal predecessors, (55), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-29 04:12:17,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:12:17,327 INFO L93 Difference]: Finished difference Result 117 states and 208 transitions. [2023-11-29 04:12:17,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 04:12:17,330 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 124 [2023-11-29 04:12:17,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:12:17,338 INFO L225 Difference]: With dead ends: 117 [2023-11-29 04:12:17,339 INFO L226 Difference]: Without dead ends: 58 [2023-11-29 04:12:17,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:12:17,346 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:12:17,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:12:17,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-29 04:12:17,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-11-29 04:12:17,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 36 states have internal predecessors, (50), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 04:12:17,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 90 transitions. [2023-11-29 04:12:17,394 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 90 transitions. Word has length 124 [2023-11-29 04:12:17,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:12:17,394 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 90 transitions. [2023-11-29 04:12:17,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-29 04:12:17,395 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 90 transitions. [2023-11-29 04:12:17,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-29 04:12:17,398 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:12:17,398 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:12:17,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 04:12:17,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:12:17,599 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:12:17,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:12:17,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1742097719, now seen corresponding path program 1 times [2023-11-29 04:12:17,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:12:17,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710538482] [2023-11-29 04:12:17,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:12:17,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:12:17,655 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:12:17,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1322665391] [2023-11-29 04:12:17,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:12:17,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:12:17,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:12:17,657 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:12:17,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 04:12:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:17,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 04:12:17,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:12:20,191 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-29 04:12:20,191 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:12:20,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:12:20,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710538482] [2023-11-29 04:12:20,192 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 04:12:20,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322665391] [2023-11-29 04:12:20,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322665391] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:12:20,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:12:20,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 04:12:20,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306595632] [2023-11-29 04:12:20,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:12:20,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 04:12:20,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:12:20,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 04:12:20,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:12:20,196 INFO L87 Difference]: Start difference. First operand 58 states and 90 transitions. Second operand has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 04:12:20,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:12:20,518 INFO L93 Difference]: Finished difference Result 164 states and 251 transitions. [2023-11-29 04:12:20,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 04:12:20,518 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 124 [2023-11-29 04:12:20,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:12:20,521 INFO L225 Difference]: With dead ends: 164 [2023-11-29 04:12:20,522 INFO L226 Difference]: Without dead ends: 107 [2023-11-29 04:12:20,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:12:20,524 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 146 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:12:20,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 339 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 04:12:20,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2023-11-29 04:12:20,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 68. [2023-11-29 04:12:20,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 46 states have (on average 1.434782608695652) internal successors, (66), 46 states have internal predecessors, (66), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 04:12:20,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 106 transitions. [2023-11-29 04:12:20,540 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 106 transitions. Word has length 124 [2023-11-29 04:12:20,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:12:20,542 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 106 transitions. [2023-11-29 04:12:20,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 04:12:20,542 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 106 transitions. [2023-11-29 04:12:20,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-29 04:12:20,545 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:12:20,545 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:12:20,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 04:12:20,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:12:20,749 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:12:20,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:12:20,749 INFO L85 PathProgramCache]: Analyzing trace with hash -2135124729, now seen corresponding path program 1 times [2023-11-29 04:12:20,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:12:20,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980529022] [2023-11-29 04:12:20,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:12:20,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:12:20,786 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:12:20,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [700977735] [2023-11-29 04:12:20,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:12:20,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:12:20,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:12:20,788 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:12:20,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 04:12:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:21,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-29 04:12:21,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:12:23,531 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 429 proven. 39 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-11-29 04:12:23,531 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:12:24,996 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 69 proven. 42 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2023-11-29 04:12:24,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:12:24,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980529022] [2023-11-29 04:12:24,997 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 04:12:24,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700977735] [2023-11-29 04:12:24,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [700977735] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:12:24,998 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:12:24,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2023-11-29 04:12:24,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54171581] [2023-11-29 04:12:24,998 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 04:12:24,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-29 04:12:25,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:12:25,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-29 04:12:25,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2023-11-29 04:12:25,002 INFO L87 Difference]: Start difference. First operand 68 states and 106 transitions. Second operand has 22 states, 22 states have (on average 3.090909090909091) internal successors, (68), 22 states have internal predecessors, (68), 6 states have call successors, (40), 4 states have call predecessors, (40), 8 states have return successors, (40), 6 states have call predecessors, (40), 6 states have call successors, (40) [2023-11-29 04:12:26,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:12:26,631 INFO L93 Difference]: Finished difference Result 305 states and 453 transitions. [2023-11-29 04:12:26,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-11-29 04:12:26,631 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.090909090909091) internal successors, (68), 22 states have internal predecessors, (68), 6 states have call successors, (40), 4 states have call predecessors, (40), 8 states have return successors, (40), 6 states have call predecessors, (40), 6 states have call successors, (40) Word has length 124 [2023-11-29 04:12:26,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:12:26,635 INFO L225 Difference]: With dead ends: 305 [2023-11-29 04:12:26,635 INFO L226 Difference]: Without dead ends: 238 [2023-11-29 04:12:26,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 678 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=634, Invalid=1916, Unknown=0, NotChecked=0, Total=2550 [2023-11-29 04:12:26,639 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 431 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 04:12:26,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 499 Invalid, 920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 04:12:26,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2023-11-29 04:12:26,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 171. [2023-11-29 04:12:26,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 113 states have (on average 1.3539823008849559) internal successors, (153), 114 states have internal predecessors, (153), 51 states have call successors, (51), 6 states have call predecessors, (51), 6 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2023-11-29 04:12:26,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 255 transitions. [2023-11-29 04:12:26,674 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 255 transitions. Word has length 124 [2023-11-29 04:12:26,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:12:26,675 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 255 transitions. [2023-11-29 04:12:26,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.090909090909091) internal successors, (68), 22 states have internal predecessors, (68), 6 states have call successors, (40), 4 states have call predecessors, (40), 8 states have return successors, (40), 6 states have call predecessors, (40), 6 states have call successors, (40) [2023-11-29 04:12:26,676 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 255 transitions. [2023-11-29 04:12:26,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-29 04:12:26,678 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:12:26,678 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:12:26,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 04:12:26,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:12:26,884 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:12:26,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:12:26,884 INFO L85 PathProgramCache]: Analyzing trace with hash 151104452, now seen corresponding path program 1 times [2023-11-29 04:12:26,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:12:26,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790648781] [2023-11-29 04:12:26,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:12:26,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:12:26,915 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:12:26,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1225228781] [2023-11-29 04:12:26,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:12:26,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:12:26,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:12:26,917 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:12:26,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 04:12:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:12:27,072 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:12:27,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:12:27,202 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:12:27,203 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 04:12:27,204 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 04:12:27,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 04:12:27,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:12:27,408 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-29 04:12:27,411 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:12:27,472 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 04:12:27,474 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short17 could not be translated [2023-11-29 04:12:27,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:12:27 BoogieIcfgContainer [2023-11-29 04:12:27,493 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:12:27,493 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:12:27,493 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:12:27,494 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:12:27,494 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:12:16" (3/4) ... [2023-11-29 04:12:27,495 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 04:12:27,496 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:12:27,497 INFO L158 Benchmark]: Toolchain (without parser) took 11602.04ms. Allocated memory was 167.8MB in the beginning and 362.8MB in the end (delta: 195.0MB). Free memory was 130.8MB in the beginning and 188.7MB in the end (delta: -57.8MB). Peak memory consumption was 139.7MB. Max. memory is 16.1GB. [2023-11-29 04:12:27,497 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 111.1MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:12:27,497 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.79ms. Allocated memory is still 167.8MB. Free memory was 130.8MB in the beginning and 117.9MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 04:12:27,497 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.68ms. Allocated memory is still 167.8MB. Free memory was 117.9MB in the beginning and 115.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 04:12:27,498 INFO L158 Benchmark]: Boogie Preprocessor took 52.52ms. Allocated memory is still 167.8MB. Free memory was 115.1MB in the beginning and 112.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:12:27,498 INFO L158 Benchmark]: RCFGBuilder took 491.97ms. Allocated memory is still 167.8MB. Free memory was 111.6MB in the beginning and 138.4MB in the end (delta: -26.8MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2023-11-29 04:12:27,498 INFO L158 Benchmark]: TraceAbstraction took 10694.85ms. Allocated memory was 167.8MB in the beginning and 362.8MB in the end (delta: 195.0MB). Free memory was 137.5MB in the beginning and 188.7MB in the end (delta: -51.1MB). Peak memory consumption was 145.0MB. Max. memory is 16.1GB. [2023-11-29 04:12:27,499 INFO L158 Benchmark]: Witness Printer took 2.85ms. Allocated memory is still 362.8MB. Free memory is still 188.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:12:27,500 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 111.1MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.79ms. Allocated memory is still 167.8MB. Free memory was 130.8MB in the beginning and 117.9MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.68ms. Allocated memory is still 167.8MB. Free memory was 117.9MB in the beginning and 115.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.52ms. Allocated memory is still 167.8MB. Free memory was 115.1MB in the beginning and 112.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 491.97ms. Allocated memory is still 167.8MB. Free memory was 111.6MB in the beginning and 138.4MB in the end (delta: -26.8MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * TraceAbstraction took 10694.85ms. Allocated memory was 167.8MB in the beginning and 362.8MB in the end (delta: 195.0MB). Free memory was 137.5MB in the beginning and 188.7MB in the end (delta: -51.1MB). Peak memory consumption was 145.0MB. Max. memory is 16.1GB. * Witness Printer took 2.85ms. Allocated memory is still 362.8MB. Free memory is still 188.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short17 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 108, overapproximation of someBinaryDOUBLEComparisonOperation at line 108, overapproximation of someUnaryDOUBLEoperation at line 27. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 0.9; [L23] unsigned long int var_1_2 = 128; [L24] unsigned long int var_1_3 = 2941876006; [L25] unsigned long int var_1_5 = 256; [L26] float var_1_6 = 63.5; [L27] float var_1_7 = -0.151; [L28] float var_1_8 = 0.8; [L29] double var_1_9 = 9.5; [L30] unsigned char var_1_10 = 0; [L31] unsigned char var_1_11 = 0; [L32] unsigned char var_1_12 = 0; [L33] signed short int var_1_13 = -2; [L34] unsigned char var_1_16 = 10; [L35] unsigned short int var_1_17 = 8; [L36] unsigned char var_1_18 = 16; [L37] unsigned char last_1_var_1_16 = 10; [L112] isInitial = 1 [L113] FCALL initially() [L114] COND TRUE 1 [L115] CALL updateLastVariables() [L105] last_1_var_1_16 = var_1_16 [L115] RET updateLastVariables() [L116] CALL updateVariables() [L72] var_1_2 = __VERIFIER_nondet_ulong() [L73] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=2941876006, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=2941876006, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L73] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=2941876006, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L74] CALL assume_abort_if_not(var_1_2 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=2941876006, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=2941876006, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L74] RET assume_abort_if_not(var_1_2 <= 4294967295) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=2941876006, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L75] var_1_3 = __VERIFIER_nondet_ulong() [L76] CALL assume_abort_if_not(var_1_3 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L76] RET assume_abort_if_not(var_1_3 >= 2147483647) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L77] CALL assume_abort_if_not(var_1_3 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L77] RET assume_abort_if_not(var_1_3 <= 4294967295) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L78] var_1_5 = __VERIFIER_nondet_ulong() [L79] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L79] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L80] CALL assume_abort_if_not(var_1_5 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L80] RET assume_abort_if_not(var_1_5 <= 4294967295) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L81] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L81] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L82] var_1_6 = __VERIFIER_nondet_float() [L83] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1, var_1_8=4/5, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1, var_1_8=4/5, var_1_9=19/2] [L83] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1, var_1_8=4/5, var_1_9=19/2] [L84] var_1_7 = __VERIFIER_nondet_float() [L85] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1, var_1_8=4/5, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1, var_1_8=4/5, var_1_9=19/2] [L85] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1, var_1_8=4/5, var_1_9=19/2] [L86] var_1_8 = __VERIFIER_nondet_float() [L87] CALL assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1, var_1_9=19/2] [L87] RET assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1, var_1_9=19/2] [L88] var_1_9 = __VERIFIER_nondet_double() [L89] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L89] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L90] var_1_11 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L91] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L92] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L92] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L93] var_1_12 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_12 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L94] RET assume_abort_if_not(var_1_12 >= 1) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L95] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L95] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L96] var_1_17 = __VERIFIER_nondet_ushort() [L97] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L97] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L98] CALL assume_abort_if_not(var_1_17 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L98] RET assume_abort_if_not(var_1_17 <= 65535) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L99] CALL assume_abort_if_not(var_1_17 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=2, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=2, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L99] RET assume_abort_if_not(var_1_17 != 0) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=2, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L100] var_1_18 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=2, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=2, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L101] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=2, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L102] CALL assume_abort_if_not(var_1_18 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=2, var_1_18=0, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=2, var_1_18=0, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L102] RET assume_abort_if_not(var_1_18 <= 254) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=2, var_1_18=0, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L116] RET updateVariables() [L117] CALL step() [L41] signed long int stepLocal_1 = last_1_var_1_16; [L42] unsigned long int stepLocal_0 = var_1_3; VAL [isInitial=1, last_1_var_1_16=10, stepLocal_0=4294967295, stepLocal_1=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=2, var_1_18=0, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L43] COND TRUE stepLocal_1 <= (var_1_3 - last_1_var_1_16) VAL [isInitial=1, last_1_var_1_16=10, stepLocal_0=4294967295, stepLocal_1=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=2, var_1_18=0, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L44] COND FALSE !(stepLocal_0 < (((((last_1_var_1_16 / var_1_5)) > (last_1_var_1_16)) ? ((last_1_var_1_16 / var_1_5)) : (last_1_var_1_16)))) [L49] var_1_1 = var_1_9 VAL [isInitial=1, last_1_var_1_16=10, stepLocal_0=4294967295, stepLocal_1=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=2, var_1_18=0, var_1_1=2, var_1_3=4294967295, var_1_5=1, var_1_9=2] [L52] COND TRUE var_1_1 < var_1_1 [L53] var_1_10 = (! (var_1_11 && var_1_12)) VAL [isInitial=1, last_1_var_1_16=10, stepLocal_0=4294967295, stepLocal_1=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=2, var_1_18=0, var_1_1=2, var_1_3=4294967295, var_1_5=1, var_1_9=2] [L55] EXPR var_1_2 & (var_1_5 / var_1_17) VAL [isInitial=1, last_1_var_1_16=10, stepLocal_0=4294967295, stepLocal_1=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=2, var_1_18=0, var_1_1=2, var_1_2=0, var_1_3=4294967295, var_1_5=1, var_1_9=2] [L55] unsigned long int stepLocal_2 = var_1_2 & (var_1_5 / var_1_17); [L56] COND FALSE !(stepLocal_2 > var_1_3) [L63] var_1_16 = var_1_18 VAL [isInitial=1, last_1_var_1_16=10, stepLocal_0=4294967295, stepLocal_1=10, stepLocal_2=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=0, var_1_17=2, var_1_18=0, var_1_1=2, var_1_2=0, var_1_3=4294967295, var_1_5=1, var_1_9=2] [L65] COND FALSE !(\read(var_1_10)) VAL [isInitial=1, last_1_var_1_16=10, stepLocal_0=4294967295, stepLocal_1=10, stepLocal_2=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=0, var_1_17=2, var_1_18=0, var_1_1=2, var_1_2=0, var_1_3=4294967295, var_1_5=1, var_1_9=2] [L117] RET step() [L118] CALL, EXPR property() [L108] EXPR ((((last_1_var_1_16 <= (var_1_3 - last_1_var_1_16)) ? ((var_1_3 < (((((last_1_var_1_16 / var_1_5)) > (last_1_var_1_16)) ? ((last_1_var_1_16 / var_1_5)) : (last_1_var_1_16)))) ? (((var_1_6 + var_1_7) > var_1_8) ? (var_1_1 == ((double) var_1_9)) : 1) : (var_1_1 == ((double) var_1_9))) : 1) && ((var_1_1 < var_1_1) ? (var_1_10 == ((unsigned char) (! (var_1_11 && var_1_12)))) : 1)) && (var_1_10 ? ((var_1_12 || (var_1_1 < (var_1_1 * var_1_1))) ? (var_1_13 == ((signed short int) (var_1_16 + var_1_16))) : 1) : 1)) && (((var_1_2 & (var_1_5 / var_1_17)) > var_1_3) ? ((! var_1_10) ? (var_1_16 == ((unsigned char) var_1_18)) : (var_1_16 == ((unsigned char) var_1_18))) : (var_1_16 == ((unsigned char) var_1_18))) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=0, var_1_17=2, var_1_18=0, var_1_1=2, var_1_2=0, var_1_3=4294967295, var_1_5=1, var_1_9=2] [L108-L109] return ((((last_1_var_1_16 <= (var_1_3 - last_1_var_1_16)) ? ((var_1_3 < (((((last_1_var_1_16 / var_1_5)) > (last_1_var_1_16)) ? ((last_1_var_1_16 / var_1_5)) : (last_1_var_1_16)))) ? (((var_1_6 + var_1_7) > var_1_8) ? (var_1_1 == ((double) var_1_9)) : 1) : (var_1_1 == ((double) var_1_9))) : 1) && ((var_1_1 < var_1_1) ? (var_1_10 == ((unsigned char) (! (var_1_11 && var_1_12)))) : 1)) && (var_1_10 ? ((var_1_12 || (var_1_1 < (var_1_1 * var_1_1))) ? (var_1_13 == ((signed short int) (var_1_16 + var_1_16))) : 1) : 1)) && (((var_1_2 & (var_1_5 / var_1_17)) > var_1_3) ? ((! var_1_10) ? (var_1_16 == ((unsigned char) var_1_18)) : (var_1_16 == ((unsigned char) var_1_18))) : (var_1_16 == ((unsigned char) var_1_18))) ; [L118] RET, EXPR property() [L118] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=0, var_1_17=2, var_1_18=0, var_1_1=2, var_1_2=0, var_1_3=4294967295, var_1_5=1, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=0, var_1_17=2, var_1_18=0, var_1_1=2, var_1_2=0, var_1_3=4294967295, var_1_5=1, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.6s, OverallIterations: 4, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 578 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 577 mSDsluCounter, 925 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 666 mSDsCounter, 153 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 868 IncrementalHoareTripleChecker+Invalid, 1021 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 153 mSolverCounterUnsat, 259 mSDtfsCounter, 868 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 530 GetRequests, 470 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 693 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=171occurred in iteration=3, InterpolantAutomatonStates: 54, 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, 106 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 621 NumberOfCodeBlocks, 621 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 492 ConstructedInterpolants, 0 QuantifiedInterpolants, 2657 SizeOfPredicates, 19 NumberOfNonLiveVariables, 832 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 2959/3040 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 04:12:27,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-64.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 55e583a0a9f7f2653eed51c0b81d821a7cc045000a63c3ac74a8989888b39b3b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:12:29,575 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:12:29,659 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 04:12:29,675 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:12:29,676 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:12:29,705 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:12:29,705 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:12:29,706 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:12:29,707 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:12:29,708 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:12:29,708 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:12:29,709 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:12:29,710 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:12:29,711 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:12:29,711 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:12:29,712 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:12:29,713 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:12:29,713 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:12:29,714 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:12:29,714 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:12:29,715 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:12:29,716 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:12:29,716 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:12:29,717 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 04:12:29,717 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 04:12:29,718 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 04:12:29,718 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:12:29,719 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:12:29,719 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:12:29,719 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:12:29,720 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:12:29,720 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:12:29,721 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:12:29,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:12:29,721 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:12:29,722 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:12:29,722 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:12:29,722 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 04:12:29,723 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 04:12:29,723 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:12:29,723 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:12:29,724 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:12:29,724 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:12:29,724 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:12:29,724 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 04:12:29,725 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55e583a0a9f7f2653eed51c0b81d821a7cc045000a63c3ac74a8989888b39b3b [2023-11-29 04:12:30,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:12:30,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:12:30,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:12:30,053 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:12:30,053 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:12:30,055 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-64.i [2023-11-29 04:12:32,908 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:12:33,079 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:12:33,080 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-64.i [2023-11-29 04:12:33,088 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/data/894ceca0a/5d04cded7f0e48889344ee657b807ae1/FLAGcfe9734df [2023-11-29 04:12:33,101 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/data/894ceca0a/5d04cded7f0e48889344ee657b807ae1 [2023-11-29 04:12:33,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:12:33,108 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:12:33,109 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:12:33,110 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:12:33,114 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:12:33,115 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:12:33" (1/1) ... [2023-11-29 04:12:33,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@717d106b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:12:33, skipping insertion in model container [2023-11-29 04:12:33,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:12:33" (1/1) ... [2023-11-29 04:12:33,140 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:12:33,291 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-64.i[917,930] [2023-11-29 04:12:33,334 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:12:33,351 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:12:33,365 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-64.i[917,930] [2023-11-29 04:12:33,389 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:12:33,409 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:12:33,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:12:33 WrapperNode [2023-11-29 04:12:33,410 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:12:33,411 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:12:33,411 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:12:33,412 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:12:33,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:12:33" (1/1) ... [2023-11-29 04:12:33,432 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:12:33" (1/1) ... [2023-11-29 04:12:33,460 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2023-11-29 04:12:33,461 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:12:33,461 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:12:33,462 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:12:33,462 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:12:33,473 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:12:33" (1/1) ... [2023-11-29 04:12:33,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:12:33" (1/1) ... [2023-11-29 04:12:33,478 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:12:33" (1/1) ... [2023-11-29 04:12:33,492 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 04:12:33,492 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:12:33" (1/1) ... [2023-11-29 04:12:33,492 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:12:33" (1/1) ... [2023-11-29 04:12:33,502 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:12:33" (1/1) ... [2023-11-29 04:12:33,505 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:12:33" (1/1) ... [2023-11-29 04:12:33,508 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:12:33" (1/1) ... [2023-11-29 04:12:33,510 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:12:33" (1/1) ... [2023-11-29 04:12:33,514 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:12:33,515 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:12:33,516 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:12:33,516 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:12:33,517 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:12:33" (1/1) ... [2023-11-29 04:12:33,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:12:33,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:12:33,550 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:12:33,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:12:33,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:12:33,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 04:12:33,585 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 04:12:33,585 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 04:12:33,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:12:33,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:12:33,663 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:12:33,666 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:12:35,646 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:12:35,685 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:12:35,685 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 04:12:35,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:12:35 BoogieIcfgContainer [2023-11-29 04:12:35,686 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:12:35,696 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:12:35,696 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:12:35,699 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:12:35,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:12:33" (1/3) ... [2023-11-29 04:12:35,699 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7350eeb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:12:35, skipping insertion in model container [2023-11-29 04:12:35,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:12:33" (2/3) ... [2023-11-29 04:12:35,700 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7350eeb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:12:35, skipping insertion in model container [2023-11-29 04:12:35,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:12:35" (3/3) ... [2023-11-29 04:12:35,701 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-64.i [2023-11-29 04:12:35,718 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:12:35,718 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 04:12:35,761 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:12:35,767 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@938e850, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:12:35,767 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 04:12:35,771 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 31 states have internal predecessors, (43), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 04:12:35,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-29 04:12:35,784 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:12:35,785 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:12:35,786 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:12:35,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:12:35,791 INFO L85 PathProgramCache]: Analyzing trace with hash -757313963, now seen corresponding path program 1 times [2023-11-29 04:12:35,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:12:35,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [156804080] [2023-11-29 04:12:35,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:12:35,803 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:12:35,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:12:35,806 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:12:35,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-29 04:12:36,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:36,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 04:12:36,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:12:36,373 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 350 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2023-11-29 04:12:36,373 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:12:36,374 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:12:36,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [156804080] [2023-11-29 04:12:36,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [156804080] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:12:36,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:12:36,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:12:36,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87664780] [2023-11-29 04:12:36,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:12:36,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 04:12:36,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:12:36,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 04:12:36,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:12:36,420 INFO L87 Difference]: Start difference. First operand has 53 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 31 states have internal predecessors, (43), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) 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, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-29 04:12:38,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:12:38,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:12:38,618 INFO L93 Difference]: Finished difference Result 103 states and 184 transitions. [2023-11-29 04:12:38,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 04:12:38,651 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, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 121 [2023-11-29 04:12:38,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:12:38,657 INFO L225 Difference]: With dead ends: 103 [2023-11-29 04:12:38,657 INFO L226 Difference]: Without dead ends: 51 [2023-11-29 04:12:38,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:12:38,662 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:12:38,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-29 04:12:38,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-11-29 04:12:38,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-11-29 04:12:38,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 29 states have internal predecessors, (37), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 04:12:38,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 77 transitions. [2023-11-29 04:12:38,697 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 77 transitions. Word has length 121 [2023-11-29 04:12:38,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:12:38,697 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 77 transitions. [2023-11-29 04:12:38,698 INFO L496 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, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-29 04:12:38,698 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 77 transitions. [2023-11-29 04:12:38,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-29 04:12:38,700 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:12:38,701 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:12:38,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 04:12:38,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:12:38,902 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:12:38,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:12:38,903 INFO L85 PathProgramCache]: Analyzing trace with hash -395390557, now seen corresponding path program 1 times [2023-11-29 04:12:38,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:12:38,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [227382098] [2023-11-29 04:12:38,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:12:38,904 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:12:38,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:12:38,905 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:12:38,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-29 04:12:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:39,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 04:12:39,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:13:50,258 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-29 04:13:50,258 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:13:50,258 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:13:50,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [227382098] [2023-11-29 04:13:50,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [227382098] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:13:50,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:13:50,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 04:13:50,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240151303] [2023-11-29 04:13:50,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:13:50,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 04:13:50,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:13:50,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 04:13:50,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-29 04:13:50,263 INFO L87 Difference]: Start difference. First operand 51 states and 77 transitions. Second operand has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 8 states have internal predecessors, (24), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 04:13:54,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:13:57,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:14:00,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.80s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:14:04,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.28s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:14:04,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:14:04,027 INFO L93 Difference]: Finished difference Result 169 states and 253 transitions. [2023-11-29 04:14:04,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 04:14:04,066 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 8 states have internal predecessors, (24), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 121 [2023-11-29 04:14:04,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:14:04,069 INFO L225 Difference]: With dead ends: 169 [2023-11-29 04:14:04,069 INFO L226 Difference]: Without dead ends: 119 [2023-11-29 04:14:04,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2023-11-29 04:14:04,071 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 96 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2023-11-29 04:14:04,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 350 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 13.5s Time] [2023-11-29 04:14:04,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-11-29 04:14:04,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 96. [2023-11-29 04:14:04,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 53 states have (on average 1.2264150943396226) internal successors, (65), 53 states have internal predecessors, (65), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 04:14:04,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 145 transitions. [2023-11-29 04:14:04,101 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 145 transitions. Word has length 121 [2023-11-29 04:14:04,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:14:04,102 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 145 transitions. [2023-11-29 04:14:04,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 8 states have internal predecessors, (24), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 04:14:04,102 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 145 transitions. [2023-11-29 04:14:04,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-29 04:14:04,105 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:14:04,105 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:14:04,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-29 04:14:04,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:14:04,306 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:14:04,306 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:14:04,306 INFO L85 PathProgramCache]: Analyzing trace with hash 618059733, now seen corresponding path program 1 times [2023-11-29 04:14:04,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:14:04,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1659362603] [2023-11-29 04:14:04,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:14:04,307 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:14:04,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:14:04,308 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:14:04,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-29 04:14:04,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:14:04,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 04:14:04,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:14:05,190 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-29 04:14:05,190 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:14:05,191 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:14:05,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1659362603] [2023-11-29 04:14:05,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1659362603] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:14:05,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:14:05,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:14:05,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468740027] [2023-11-29 04:14:05,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:14:05,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:14:05,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:14:05,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:14:05,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:14:05,194 INFO L87 Difference]: Start difference. First operand 96 states and 145 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 04:14:07,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:14:07,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:14:07,958 INFO L93 Difference]: Finished difference Result 148 states and 223 transitions. [2023-11-29 04:14:07,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:14:07,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 122 [2023-11-29 04:14:07,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:14:08,000 INFO L225 Difference]: With dead ends: 148 [2023-11-29 04:14:08,000 INFO L226 Difference]: Without dead ends: 95 [2023-11-29 04:14:08,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:14:08,003 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 13 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-29 04:14:08,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 68 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-29 04:14:08,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-11-29 04:14:08,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 94. [2023-11-29 04:14:08,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 51 states have (on average 1.1372549019607843) internal successors, (58), 51 states have internal predecessors, (58), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 04:14:08,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 138 transitions. [2023-11-29 04:14:08,023 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 138 transitions. Word has length 122 [2023-11-29 04:14:08,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:14:08,024 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 138 transitions. [2023-11-29 04:14:08,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 04:14:08,025 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 138 transitions. [2023-11-29 04:14:08,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-29 04:14:08,027 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:14:08,027 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:14:08,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-29 04:14:08,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:14:08,229 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:14:08,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:14:08,229 INFO L85 PathProgramCache]: Analyzing trace with hash -446278544, now seen corresponding path program 1 times [2023-11-29 04:14:08,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:14:08,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1419693606] [2023-11-29 04:14:08,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:14:08,230 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:14:08,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:14:08,231 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:14:08,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-29 04:14:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:14:08,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 04:14:08,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:15:25,104 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 399 proven. 27 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2023-11-29 04:15:25,104 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:16:54,496 WARN L293 SmtUtils]: Spent 7.84s on a formula simplification that was a NOOP. DAG size: 76 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 04:17:08,294 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:17:08,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1419693606] [2023-11-29 04:17:08,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1419693606] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:17:08,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1924923499] [2023-11-29 04:17:08,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:17:08,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 04:17:08,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 04:17:08,296 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 04:17:08,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-29 04:17:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:17:09,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 04:17:09,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:18:17,717 WARN L293 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:18:48,522 WARN L293 SmtUtils]: Spent 6.10s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:19:07,496 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 399 proven. 27 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2023-11-29 04:19:07,496 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:21:42,734 WARN L293 SmtUtils]: Spent 1.07m on a formula simplification. DAG size of input: 170 DAG size of output: 166 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 04:22:23,496 WARN L293 SmtUtils]: Spent 5.94s on a formula simplification. DAG size of input: 38 DAG size of output: 34 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 04:22:43,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1924923499] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:22:43,898 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:22:43,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 17 [2023-11-29 04:22:43,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017294534] [2023-11-29 04:22:43,899 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 04:22:43,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 04:22:43,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:22:43,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 04:22:43,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=479, Unknown=0, NotChecked=0, Total=600 [2023-11-29 04:22:43,902 INFO L87 Difference]: Start difference. First operand 94 states and 138 transitions. Second operand has 17 states, 17 states have (on average 3.5294117647058822) internal successors, (60), 17 states have internal predecessors, (60), 4 states have call successors, (40), 4 states have call predecessors, (40), 6 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2023-11-29 04:23:06,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:23:10,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:23:13,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:23:17,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:23:17,655 INFO L93 Difference]: Finished difference Result 150 states and 204 transitions. [2023-11-29 04:23:17,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 04:23:17,657 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.5294117647058822) internal successors, (60), 17 states have internal predecessors, (60), 4 states have call successors, (40), 4 states have call predecessors, (40), 6 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 122 [2023-11-29 04:23:17,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:23:17,658 INFO L225 Difference]: With dead ends: 150 [2023-11-29 04:23:17,659 INFO L226 Difference]: Without dead ends: 148 [2023-11-29 04:23:17,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 241 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 391 ImplicationChecksByTransitivity, 163.1s TimeCoverageRelationStatistics Valid=385, Invalid=1337, Unknown=0, NotChecked=0, Total=1722 [2023-11-29 04:23:17,660 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 97 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2023-11-29 04:23:17,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 258 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 12.8s Time] [2023-11-29 04:23:17,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2023-11-29 04:23:17,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 130. [2023-11-29 04:23:17,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 74 states have (on average 1.1081081081081081) internal successors, (82), 75 states have internal predecessors, (82), 50 states have call successors, (50), 5 states have call predecessors, (50), 5 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-29 04:23:17,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 182 transitions. [2023-11-29 04:23:17,688 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 182 transitions. Word has length 122 [2023-11-29 04:23:17,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:23:17,689 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 182 transitions. [2023-11-29 04:23:17,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.5294117647058822) internal successors, (60), 17 states have internal predecessors, (60), 4 states have call successors, (40), 4 states have call predecessors, (40), 6 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2023-11-29 04:23:17,690 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 182 transitions. [2023-11-29 04:23:17,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-29 04:23:17,692 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:23:17,692 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:23:17,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-11-29 04:23:17,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-29 04:23:18,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 04:23:18,097 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:23:18,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:23:18,097 INFO L85 PathProgramCache]: Analyzing trace with hash -917094740, now seen corresponding path program 1 times [2023-11-29 04:23:18,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:23:18,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [769505618] [2023-11-29 04:23:18,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:18,098 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:23:18,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:23:18,098 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:23:18,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-29 04:23:18,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 04:23:18,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:23:19,513 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 340 proven. 87 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2023-11-29 04:23:19,513 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:23:26,281 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:23:26,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [769505618] [2023-11-29 04:23:26,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [769505618] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:23:26,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [399056811] [2023-11-29 04:23:26,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:26,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 04:23:26,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 04:23:26,283 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 04:23:26,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-29 04:23:27,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:27,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 04:23:27,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:24:45,417 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-29 04:24:45,417 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:24:45,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [399056811] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:45,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:24:45,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2023-11-29 04:24:45,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630695959] [2023-11-29 04:24:45,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:45,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 04:24:45,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:24:45,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 04:24:45,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2023-11-29 04:24:45,419 INFO L87 Difference]: Start difference. First operand 130 states and 182 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 04:24:54,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:25:01,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:25:06,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:25:06,279 INFO L93 Difference]: Finished difference Result 151 states and 205 transitions. [2023-11-29 04:25:06,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 04:25:06,279 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 123 [2023-11-29 04:25:06,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:25:06,282 INFO L225 Difference]: With dead ends: 151 [2023-11-29 04:25:06,282 INFO L226 Difference]: Without dead ends: 149 [2023-11-29 04:25:06,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 31.8s TimeCoverageRelationStatistics Valid=79, Invalid=383, Unknown=0, NotChecked=0, Total=462 [2023-11-29 04:25:06,284 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 33 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2023-11-29 04:25:06,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 256 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2023-11-29 04:25:06,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2023-11-29 04:25:06,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 130. [2023-11-29 04:25:06,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 74 states have (on average 1.1081081081081081) internal successors, (82), 75 states have internal predecessors, (82), 50 states have call successors, (50), 5 states have call predecessors, (50), 5 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-29 04:25:06,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 182 transitions. [2023-11-29 04:25:06,309 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 182 transitions. Word has length 123 [2023-11-29 04:25:06,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:25:06,310 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 182 transitions. [2023-11-29 04:25:06,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 04:25:06,310 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 182 transitions. [2023-11-29 04:25:06,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-11-29 04:25:06,314 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:25:06,315 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-11-29 04:25:06,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-29 04:25:06,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-11-29 04:25:06,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:25:06,716 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:25:06,716 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:25:06,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1607098850, now seen corresponding path program 1 times [2023-11-29 04:25:06,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:25:06,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [68000883] [2023-11-29 04:25:06,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:25:06,717 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:25:06,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:25:06,718 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:25:06,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-29 04:25:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:25:07,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 04:25:07,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:25:08,293 INFO L134 CoverageAnalysis]: Checked inductivity of 3159 backedges. 1792 proven. 51 refuted. 0 times theorem prover too weak. 1316 trivial. 0 not checked. [2023-11-29 04:25:08,293 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:25:08,941 INFO L134 CoverageAnalysis]: Checked inductivity of 3159 backedges. 39 proven. 111 refuted. 0 times theorem prover too weak. 3009 trivial. 0 not checked. [2023-11-29 04:25:08,941 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:25:08,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [68000883] [2023-11-29 04:25:08,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [68000883] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:25:08,941 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:25:08,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2023-11-29 04:25:08,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583537346] [2023-11-29 04:25:08,942 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 04:25:08,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 04:25:08,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:25:08,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 04:25:08,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-11-29 04:25:08,944 INFO L87 Difference]: Start difference. First operand 130 states and 182 transitions. Second operand has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 5 states have call successors, (80), 4 states have call predecessors, (80), 6 states have return successors, (80), 5 states have call predecessors, (80), 5 states have call successors, (80) [2023-11-29 04:25:13,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:25:15,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:25:15,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:25:15,771 INFO L93 Difference]: Finished difference Result 253 states and 342 transitions. [2023-11-29 04:25:15,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 04:25:15,772 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 5 states have call successors, (80), 4 states have call predecessors, (80), 6 states have return successors, (80), 5 states have call predecessors, (80), 5 states have call successors, (80) Word has length 241 [2023-11-29 04:25:15,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:25:15,772 INFO L225 Difference]: With dead ends: 253 [2023-11-29 04:25:15,773 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 04:25:15,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 490 GetRequests, 471 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2023-11-29 04:25:15,775 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 133 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-11-29 04:25:15,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 212 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2023-11-29 04:25:15,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 04:25:15,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 04:25:15,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:15,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 04:25:15,776 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 241 [2023-11-29 04:25:15,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:25:15,776 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 04:25:15,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 5 states have call successors, (80), 4 states have call predecessors, (80), 6 states have return successors, (80), 5 states have call predecessors, (80), 5 states have call successors, (80) [2023-11-29 04:25:15,777 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 04:25:15,777 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 04:25:15,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 04:25:15,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2023-11-29 04:25:15,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:25:15,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 04:25:26,679 INFO L895 garLoopResultBuilder]: At program point L85(line 85) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse0)) (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse1))) (and (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))))) (= ~var_1_10~0 (_ bv0 8)) (= currentRoundingMode roundNearestTiesToEven) (let ((.cse2 ((_ zero_extend 24) ~last_1_var_1_16~0))) (bvule .cse2 (bvadd ~var_1_3~0 (bvneg .cse2))))) [2023-11-29 04:25:26,680 INFO L899 garLoopResultBuilder]: For program point L85-1(line 85) no Hoare annotation was computed. [2023-11-29 04:25:26,680 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 52 54) no Hoare annotation was computed. [2023-11-29 04:25:26,680 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-29 04:25:26,680 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-29 04:25:26,680 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-11-29 04:25:26,680 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2023-11-29 04:25:26,680 INFO L899 garLoopResultBuilder]: For program point L44(lines 44 50) no Hoare annotation was computed. [2023-11-29 04:25:26,680 INFO L899 garLoopResultBuilder]: For program point L102(lines 71 103) no Hoare annotation was computed. [2023-11-29 04:25:26,680 INFO L895 garLoopResultBuilder]: At program point L94(line 94) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse0)) (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse1))) (and (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))))) (= ~var_1_10~0 (_ bv0 8)) (= currentRoundingMode roundNearestTiesToEven) (let ((.cse2 ((_ zero_extend 24) ~last_1_var_1_16~0))) (bvule .cse2 (bvadd ~var_1_3~0 (bvneg .cse2))))) [2023-11-29 04:25:26,680 INFO L895 garLoopResultBuilder]: At program point L94-1(line 94) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse0)) (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse1))) (and (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))))) (= ~var_1_10~0 (_ bv0 8)) (= currentRoundingMode roundNearestTiesToEven) (let ((.cse2 ((_ zero_extend 24) ~last_1_var_1_16~0))) (bvule .cse2 (bvadd ~var_1_3~0 (bvneg .cse2))))) [2023-11-29 04:25:26,680 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 47) no Hoare annotation was computed. [2023-11-29 04:25:26,680 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2023-11-29 04:25:26,681 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse0)) (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse1))) (and (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))))) (= ~var_1_10~0 (_ bv0 8)) (= currentRoundingMode roundNearestTiesToEven) (let ((.cse2 ((_ zero_extend 24) ~last_1_var_1_16~0))) (bvule .cse2 (bvadd ~var_1_3~0 (bvneg .cse2))))) [2023-11-29 04:25:26,681 INFO L899 garLoopResultBuilder]: For program point L87-1(line 87) no Hoare annotation was computed. [2023-11-29 04:25:26,681 INFO L895 garLoopResultBuilder]: At program point L79(line 79) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse0)) (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse1))) (and (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))))) (= ~var_1_10~0 (_ bv0 8)) (= currentRoundingMode roundNearestTiesToEven) (let ((.cse2 ((_ zero_extend 24) ~last_1_var_1_16~0))) (bvule .cse2 (bvadd ~var_1_3~0 (bvneg .cse2))))) [2023-11-29 04:25:26,681 INFO L895 garLoopResultBuilder]: At program point L79-1(line 79) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse0)) (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse1))) (and (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))))) (= ~var_1_10~0 (_ bv0 8)) (= currentRoundingMode roundNearestTiesToEven) (let ((.cse2 ((_ zero_extend 24) ~last_1_var_1_16~0))) (bvule .cse2 (bvadd ~var_1_3~0 (bvneg .cse2))))) [2023-11-29 04:25:26,681 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 04:25:26,681 INFO L895 garLoopResultBuilder]: At program point L80(line 80) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse0)) (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse1))) (and (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))))) (= ~var_1_10~0 (_ bv0 8)) (= currentRoundingMode roundNearestTiesToEven) (let ((.cse2 ((_ zero_extend 24) ~last_1_var_1_16~0))) (bvule .cse2 (bvadd ~var_1_3~0 (bvneg .cse2))))) [2023-11-29 04:25:26,681 INFO L895 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse0)) (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse1))) (and (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))))) (= ~var_1_10~0 (_ bv0 8)) (= currentRoundingMode roundNearestTiesToEven) (let ((.cse2 ((_ zero_extend 24) ~last_1_var_1_16~0))) (bvule .cse2 (bvadd ~var_1_3~0 (bvneg .cse2))))) [2023-11-29 04:25:26,682 INFO L895 garLoopResultBuilder]: At program point L97-1(line 97) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse0)) (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse1))) (and (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))))) (= ~var_1_10~0 (_ bv0 8)) (= currentRoundingMode roundNearestTiesToEven) (let ((.cse2 ((_ zero_extend 24) ~last_1_var_1_16~0))) (bvule .cse2 (bvadd ~var_1_3~0 (bvneg .cse2))))) [2023-11-29 04:25:26,682 INFO L895 garLoopResultBuilder]: At program point L89(line 89) the Hoare annotation is: (and (= ~var_1_10~0 (_ bv0 8)) (= currentRoundingMode roundNearestTiesToEven) (let ((.cse0 ((_ zero_extend 24) ~last_1_var_1_16~0))) (bvule .cse0 (bvadd ~var_1_3~0 (bvneg .cse0))))) [2023-11-29 04:25:26,682 INFO L899 garLoopResultBuilder]: For program point L89-1(line 89) no Hoare annotation was computed. [2023-11-29 04:25:26,682 INFO L899 garLoopResultBuilder]: For program point L56(lines 56 64) no Hoare annotation was computed. [2023-11-29 04:25:26,682 INFO L899 garLoopResultBuilder]: For program point L56-1(lines 40 70) no Hoare annotation was computed. [2023-11-29 04:25:26,682 INFO L899 garLoopResultBuilder]: For program point L81(line 81) no Hoare annotation was computed. [2023-11-29 04:25:26,682 INFO L895 garLoopResultBuilder]: At program point L114-2(lines 114 120) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse0)) (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse1))) (and (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))))) (= ~var_1_10~0 (_ bv0 8)) (= currentRoundingMode roundNearestTiesToEven) (let ((.cse2 ((_ zero_extend 24) ~last_1_var_1_16~0))) (bvule .cse2 (bvadd ~var_1_3~0 (bvneg .cse2))))) [2023-11-29 04:25:26,682 INFO L899 garLoopResultBuilder]: For program point L114-3(lines 114 120) no Hoare annotation was computed. [2023-11-29 04:25:26,683 INFO L895 garLoopResultBuilder]: At program point L73(line 73) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse0)) (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse1))) (and (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))))) (= ~var_1_10~0 (_ bv0 8)) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-29 04:25:26,683 INFO L895 garLoopResultBuilder]: At program point L73-1(line 73) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse0)) (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse1))) (and (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))))) (= ~var_1_10~0 (_ bv0 8)) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-29 04:25:26,683 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 70) no Hoare annotation was computed. [2023-11-29 04:25:26,683 INFO L895 garLoopResultBuilder]: At program point L98(line 98) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse0)) (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse1))) (and (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))))) (= ~var_1_10~0 (_ bv0 8)) (= currentRoundingMode roundNearestTiesToEven) (let ((.cse2 ((_ zero_extend 24) ~last_1_var_1_16~0))) (bvule .cse2 (bvadd ~var_1_3~0 (bvneg .cse2))))) [2023-11-29 04:25:26,683 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 61) no Hoare annotation was computed. [2023-11-29 04:25:26,683 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-29 04:25:26,684 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2023-11-29 04:25:26,684 INFO L899 garLoopResultBuilder]: For program point L99(line 99) no Hoare annotation was computed. [2023-11-29 04:25:26,684 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 68) no Hoare annotation was computed. [2023-11-29 04:25:26,684 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 04:25:26,684 INFO L895 garLoopResultBuilder]: At program point L91(line 91) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse0)) (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse1))) (and (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))))) (= ~var_1_10~0 (_ bv0 8)) (= currentRoundingMode roundNearestTiesToEven) (let ((.cse2 ((_ zero_extend 24) ~last_1_var_1_16~0))) (bvule .cse2 (bvadd ~var_1_3~0 (bvneg .cse2))))) [2023-11-29 04:25:26,684 INFO L895 garLoopResultBuilder]: At program point L91-1(line 91) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse0)) (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse1))) (and (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))))) (= ~var_1_10~0 (_ bv0 8)) (= currentRoundingMode roundNearestTiesToEven) (let ((.cse2 ((_ zero_extend 24) ~last_1_var_1_16~0))) (bvule .cse2 (bvadd ~var_1_3~0 (bvneg .cse2))))) [2023-11-29 04:25:26,685 INFO L895 garLoopResultBuilder]: At program point L83(line 83) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse0)) (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse1))) (and (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))))) (= ~var_1_10~0 (_ bv0 8)) (= currentRoundingMode roundNearestTiesToEven) (let ((.cse2 ((_ zero_extend 24) ~last_1_var_1_16~0))) (bvule .cse2 (bvadd ~var_1_3~0 (bvneg .cse2))))) [2023-11-29 04:25:26,685 INFO L899 garLoopResultBuilder]: For program point L83-1(line 83) no Hoare annotation was computed. [2023-11-29 04:25:26,685 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-11-29 04:25:26,685 INFO L895 garLoopResultBuilder]: At program point L76(line 76) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse0)) (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse1))) (and (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))))) (= ~var_1_10~0 (_ bv0 8)) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-29 04:25:26,685 INFO L895 garLoopResultBuilder]: At program point L76-1(line 76) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse0)) (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse1))) (and (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))))) (= ~var_1_10~0 (_ bv0 8)) (= currentRoundingMode roundNearestTiesToEven) (let ((.cse2 ((_ zero_extend 24) ~last_1_var_1_16~0))) (bvule .cse2 (bvadd ~var_1_3~0 (bvneg .cse2))))) [2023-11-29 04:25:26,685 INFO L899 garLoopResultBuilder]: For program point L43(lines 43 51) no Hoare annotation was computed. [2023-11-29 04:25:26,685 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 40 70) no Hoare annotation was computed. [2023-11-29 04:25:26,686 INFO L895 garLoopResultBuilder]: At program point L101(line 101) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse0)) (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse1))) (and (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))))) (= ~var_1_10~0 (_ bv0 8)) (= currentRoundingMode roundNearestTiesToEven) (let ((.cse2 ((_ zero_extend 24) ~last_1_var_1_16~0))) (bvule .cse2 (bvadd ~var_1_3~0 (bvneg .cse2))))) [2023-11-29 04:25:26,686 INFO L895 garLoopResultBuilder]: At program point L101-1(line 101) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse0)) (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode .cse1))) (and (fp.geq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_9~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))))) (= ~var_1_10~0 (_ bv0 8)) (= currentRoundingMode roundNearestTiesToEven) (let ((.cse2 ((_ zero_extend 24) ~last_1_var_1_16~0))) (bvule .cse2 (bvadd ~var_1_3~0 (bvneg .cse2))))) [2023-11-29 04:25:26,686 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-29 04:25:26,686 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-11-29 04:25:26,686 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-11-29 04:25:26,686 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-29 04:25:26,689 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-29 04:25:26,690 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:25:26,699 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-29 04:25:26,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:25:26 BoogieIcfgContainer [2023-11-29 04:25:26,700 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:25:26,701 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:25:26,701 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:25:26,701 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:25:26,701 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:12:35" (3/4) ... [2023-11-29 04:25:26,702 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 04:25:26,705 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-29 04:25:26,710 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-29 04:25:26,711 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-29 04:25:26,711 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 04:25:26,711 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 04:25:26,803 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 04:25:26,804 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 04:25:26,804 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:25:26,805 INFO L158 Benchmark]: Toolchain (without parser) took 773697.04ms. Allocated memory was 81.8MB in the beginning and 956.3MB in the end (delta: 874.5MB). Free memory was 37.7MB in the beginning and 925.9MB in the end (delta: -888.2MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2023-11-29 04:25:26,805 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 81.8MB. Free memory was 58.6MB in the beginning and 58.5MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:25:26,806 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.94ms. Allocated memory is still 81.8MB. Free memory was 37.4MB in the beginning and 55.4MB in the end (delta: -18.1MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2023-11-29 04:25:26,806 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.69ms. Allocated memory is still 81.8MB. Free memory was 55.4MB in the beginning and 53.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:25:26,806 INFO L158 Benchmark]: Boogie Preprocessor took 53.14ms. Allocated memory is still 81.8MB. Free memory was 53.3MB in the beginning and 50.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:25:26,807 INFO L158 Benchmark]: RCFGBuilder took 2170.61ms. Allocated memory is still 81.8MB. Free memory was 50.5MB in the beginning and 32.0MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 04:25:26,807 INFO L158 Benchmark]: TraceAbstraction took 771004.72ms. Allocated memory was 121.6MB in the beginning and 956.3MB in the end (delta: 834.7MB). Free memory was 100.2MB in the beginning and 867.0MB in the end (delta: -766.9MB). Peak memory consumption was 579.1MB. Max. memory is 16.1GB. [2023-11-29 04:25:26,808 INFO L158 Benchmark]: Witness Printer took 103.46ms. Allocated memory is still 956.3MB. Free memory was 867.0MB in the beginning and 925.9MB in the end (delta: -58.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 04:25:26,810 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 81.8MB. Free memory was 58.6MB in the beginning and 58.5MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.94ms. Allocated memory is still 81.8MB. Free memory was 37.4MB in the beginning and 55.4MB in the end (delta: -18.1MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.69ms. Allocated memory is still 81.8MB. Free memory was 55.4MB in the beginning and 53.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.14ms. Allocated memory is still 81.8MB. Free memory was 53.3MB in the beginning and 50.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2170.61ms. Allocated memory is still 81.8MB. Free memory was 50.5MB in the beginning and 32.0MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 771004.72ms. Allocated memory was 121.6MB in the beginning and 956.3MB in the end (delta: 834.7MB). Free memory was 100.2MB in the beginning and 867.0MB in the end (delta: -766.9MB). Peak memory consumption was 579.1MB. Max. memory is 16.1GB. * Witness Printer took 103.46ms. Allocated memory is still 956.3MB. Free memory was 867.0MB in the beginning and 925.9MB in the end (delta: -58.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 770.9s, OverallIterations: 6, TraceHistogramMax: 40, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 80.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 392 SdHoareTripleChecker+Valid, 46.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 372 mSDsluCounter, 1218 SdHoareTripleChecker+Invalid, 44.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 839 mSDsCounter, 180 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1298 IncrementalHoareTripleChecker+Invalid, 1478 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 180 mSolverCounterUnsat, 379 mSDtfsCounter, 1298 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1400 GetRequests, 1306 SyntacticMatches, 1 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 535 ImplicationChecksByTransitivity, 195.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred in iteration=4, InterpolantAutomatonStates: 66, 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, 6 MinimizatonAttempts, 61 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 165 PreInvPairs, 224 NumberOfFragments, 952 HoareAnnotationTreeSize, 165 FomulaSimplifications, 604 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 22 FomulaSimplificationsInter, 4306 FormulaSimplificationTreeSizeReductionInter, 10.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 4.2s SatisfiabilityAnalysisTime, 673.5s InterpolantComputationTime, 1095 NumberOfCodeBlocks, 1095 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1327 ConstructedInterpolants, 0 QuantifiedInterpolants, 7566 SizeOfPredicates, 93 NumberOfNonLiveVariables, 1735 ConjunctsInSsa, 69 ConjunctsInUnsatCore, 9 InterpolantComputations, 4 PerfectInterpolantSequences, 11335/11638 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: ((var_1_10 == 0) && (last_1_var_1_16 <= ((var_1_3 + -(last_1_var_1_16)) % 4294967296))) RESULT: Ultimate proved your program to be correct! [2023-11-29 04:25:27,048 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-11-29 04:25:27,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67173d6-116a-4979-88e3-442a4ff9ffaa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE