./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/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_81ef6f40-0e11-4690-b148-13883222fa9f/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/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_81ef6f40-0e11-4690-b148-13883222fa9f/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 673f48eff2c9fa553be4e6ec558f63c53157e8de398373430e9065fe538627b8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:33:33,812 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:33:33,875 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 05:33:33,879 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:33:33,880 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:33:33,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:33:33,906 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:33:33,906 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:33:33,907 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:33:33,907 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:33:33,908 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:33:33,908 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:33:33,909 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:33:33,910 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:33:33,910 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:33:33,911 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:33:33,911 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:33:33,912 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:33:33,912 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:33:33,913 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:33:33,913 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:33:33,914 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:33:33,914 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:33:33,915 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:33:33,915 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:33:33,915 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:33:33,916 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:33:33,916 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:33:33,917 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:33:33,917 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:33:33,918 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:33:33,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:33:33,919 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:33:33,919 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:33:33,919 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:33:33,920 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:33:33,920 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:33:33,920 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:33:33,920 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:33:33,921 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:33:33,921 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:33:33,921 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:33:33,921 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_81ef6f40-0e11-4690-b148-13883222fa9f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 673f48eff2c9fa553be4e6ec558f63c53157e8de398373430e9065fe538627b8 [2023-11-29 05:33:34,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:33:34,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:33:34,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:33:34,172 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:33:34,172 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:33:34,173 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i [2023-11-29 05:33:36,929 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:33:37,109 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:33:37,109 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i [2023-11-29 05:33:37,117 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/bin/uautomizer-verify-BQ2R08f2Ya/data/8b2680940/b10eee597d3944fab9d3b3e86d9a4bfd/FLAG600255503 [2023-11-29 05:33:37,129 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/bin/uautomizer-verify-BQ2R08f2Ya/data/8b2680940/b10eee597d3944fab9d3b3e86d9a4bfd [2023-11-29 05:33:37,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:33:37,132 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:33:37,133 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:33:37,133 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:33:37,138 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:33:37,139 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:33:37" (1/1) ... [2023-11-29 05:33:37,140 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6687453c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:37, skipping insertion in model container [2023-11-29 05:33:37,140 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:33:37" (1/1) ... [2023-11-29 05:33:37,168 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:33:37,315 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_81ef6f40-0e11-4690-b148-13883222fa9f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i[915,928] [2023-11-29 05:33:37,356 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:33:37,370 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:33:37,382 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_81ef6f40-0e11-4690-b148-13883222fa9f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i[915,928] [2023-11-29 05:33:37,407 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:33:37,427 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:33:37,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:37 WrapperNode [2023-11-29 05:33:37,428 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:33:37,429 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:33:37,429 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:33:37,429 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:33:37,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:37" (1/1) ... [2023-11-29 05:33:37,449 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:37" (1/1) ... [2023-11-29 05:33:37,480 INFO L138 Inliner]: procedures = 29, calls = 111, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 317 [2023-11-29 05:33:37,481 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:33:37,482 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:33:37,482 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:33:37,482 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:33:37,493 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:37" (1/1) ... [2023-11-29 05:33:37,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:37" (1/1) ... [2023-11-29 05:33:37,498 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:37" (1/1) ... [2023-11-29 05:33:37,515 INFO L175 MemorySlicer]: Split 91 memory accesses to 2 slices as follows [2, 89]. 98 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 9]. The 13 writes are split as follows [0, 13]. [2023-11-29 05:33:37,515 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:37" (1/1) ... [2023-11-29 05:33:37,515 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:37" (1/1) ... [2023-11-29 05:33:37,531 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:37" (1/1) ... [2023-11-29 05:33:37,535 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:37" (1/1) ... [2023-11-29 05:33:37,537 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:37" (1/1) ... [2023-11-29 05:33:37,539 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:37" (1/1) ... [2023-11-29 05:33:37,544 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:33:37,545 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:33:37,545 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:33:37,545 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:33:37,546 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:37" (1/1) ... [2023-11-29 05:33:37,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:33:37,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:33:37,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:33:37,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:33:37,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:33:37,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 05:33:37,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 05:33:37,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-29 05:33:37,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-29 05:33:37,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-29 05:33:37,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-29 05:33:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 05:33:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 05:33:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-29 05:33:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-29 05:33:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 05:33:37,614 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 05:33:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:33:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 05:33:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:33:37,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:33:37,713 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:33:37,715 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:33:38,041 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:33:38,072 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:33:38,072 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 05:33:38,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:33:38 BoogieIcfgContainer [2023-11-29 05:33:38,073 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:33:38,075 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:33:38,076 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:33:38,079 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:33:38,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:33:37" (1/3) ... [2023-11-29 05:33:38,080 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64011fb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:33:38, skipping insertion in model container [2023-11-29 05:33:38,080 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:37" (2/3) ... [2023-11-29 05:33:38,080 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64011fb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:33:38, skipping insertion in model container [2023-11-29 05:33:38,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:33:38" (3/3) ... [2023-11-29 05:33:38,082 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-0.i [2023-11-29 05:33:38,099 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:33:38,099 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:33:38,138 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:33:38,144 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;@5fbeb0d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:33:38,144 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:33:38,149 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 67 states have (on average 1.507462686567164) internal successors, (101), 68 states have internal predecessors, (101), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-29 05:33:38,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-29 05:33:38,161 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:33:38,162 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:33:38,162 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:33:38,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:33:38,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1941354024, now seen corresponding path program 1 times [2023-11-29 05:33:38,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:33:38,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405912867] [2023-11-29 05:33:38,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:38,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:33:38,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:38,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:33:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:38,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:33:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:38,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 05:33:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:38,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 05:33:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:38,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 05:33:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:38,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 05:33:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:38,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 05:33:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:38,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-29 05:33:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:38,475 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-29 05:33:38,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:33:38,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405912867] [2023-11-29 05:33:38,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405912867] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:33:38,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:33:38,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:33:38,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690361341] [2023-11-29 05:33:38,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:33:38,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 05:33:38,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:33:38,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 05:33:38,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:33:38,512 INFO L87 Difference]: Start difference. First operand has 78 states, 67 states have (on average 1.507462686567164) internal successors, (101), 68 states have internal predecessors, (101), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 05:33:38,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:33:38,550 INFO L93 Difference]: Finished difference Result 150 states and 235 transitions. [2023-11-29 05:33:38,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 05:33:38,553 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 73 [2023-11-29 05:33:38,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:33:38,560 INFO L225 Difference]: With dead ends: 150 [2023-11-29 05:33:38,560 INFO L226 Difference]: Without dead ends: 73 [2023-11-29 05:33:38,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 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 05:33:38,566 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:33:38,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:33:38,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-29 05:33:38,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-29 05:33:38,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 63 states have (on average 1.380952380952381) internal successors, (87), 63 states have internal predecessors, (87), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-29 05:33:38,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 103 transitions. [2023-11-29 05:33:38,606 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 103 transitions. Word has length 73 [2023-11-29 05:33:38,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:33:38,607 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 103 transitions. [2023-11-29 05:33:38,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 05:33:38,607 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 103 transitions. [2023-11-29 05:33:38,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-29 05:33:38,612 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:33:38,612 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:33:38,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 05:33:38,613 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:33:38,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:33:38,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1065954572, now seen corresponding path program 1 times [2023-11-29 05:33:38,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:33:38,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025868438] [2023-11-29 05:33:38,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:38,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:33:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:38,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:33:38,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:38,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:33:38,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:38,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 05:33:38,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:38,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 05:33:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:38,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 05:33:38,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:38,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 05:33:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:38,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 05:33:38,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:38,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-29 05:33:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:38,822 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-29 05:33:38,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:33:38,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025868438] [2023-11-29 05:33:38,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025868438] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:33:38,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:33:38,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:33:38,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88149910] [2023-11-29 05:33:38,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:33:38,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:33:38,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:33:38,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:33:38,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:33:38,826 INFO L87 Difference]: Start difference. First operand 73 states and 103 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 05:33:38,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:33:38,880 INFO L93 Difference]: Finished difference Result 151 states and 214 transitions. [2023-11-29 05:33:38,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:33:38,881 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 73 [2023-11-29 05:33:38,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:33:38,883 INFO L225 Difference]: With dead ends: 151 [2023-11-29 05:33:38,883 INFO L226 Difference]: Without dead ends: 79 [2023-11-29 05:33:38,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:33:38,885 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 10 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:33:38,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 286 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:33:38,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-29 05:33:38,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 75. [2023-11-29 05:33:38,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 65 states have (on average 1.3692307692307693) internal successors, (89), 65 states have internal predecessors, (89), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-29 05:33:38,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 105 transitions. [2023-11-29 05:33:38,899 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 105 transitions. Word has length 73 [2023-11-29 05:33:38,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:33:38,900 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 105 transitions. [2023-11-29 05:33:38,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 05:33:38,901 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 105 transitions. [2023-11-29 05:33:38,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-29 05:33:38,903 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:33:38,903 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:33:38,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 05:33:38,903 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:33:38,904 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:33:38,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1626654350, now seen corresponding path program 1 times [2023-11-29 05:33:38,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:33:38,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250516885] [2023-11-29 05:33:38,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:38,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:33:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:33:38,962 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:33:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:33:39,051 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:33:39,051 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 05:33:39,053 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 05:33:39,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 05:33:39,058 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-29 05:33:39,061 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 05:33:39,092 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated [2023-11-29 05:33:39,093 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated [2023-11-29 05:33:39,094 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-29 05:33:39,094 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-29 05:33:39,094 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-29 05:33:39,094 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short32 could not be translated [2023-11-29 05:33:39,095 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated [2023-11-29 05:33:39,095 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-29 05:33:39,095 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-29 05:33:39,096 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short32 could not be translated [2023-11-29 05:33:39,096 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-29 05:33:39,096 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-29 05:33:39,096 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated [2023-11-29 05:33:39,096 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-29 05:33:39,097 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-29 05:33:39,097 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-29 05:33:39,097 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-29 05:33:39,097 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short44 could not be translated [2023-11-29 05:33:39,098 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-29 05:33:39,098 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated [2023-11-29 05:33:39,098 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short44 could not be translated [2023-11-29 05:33:39,099 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-29 05:33:39,099 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-29 05:33:39,099 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated [2023-11-29 05:33:39,100 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-29 05:33:39,100 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-29 05:33:39,101 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-29 05:33:39,102 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-29 05:33:39,103 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-29 05:33:39,103 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated [2023-11-29 05:33:39,103 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-29 05:33:39,104 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-29 05:33:39,104 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-29 05:33:39,104 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short83 could not be translated [2023-11-29 05:33:39,104 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-29 05:33:39,104 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-29 05:33:39,104 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-29 05:33:39,105 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated [2023-11-29 05:33:39,105 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-29 05:33:39,105 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-29 05:33:39,105 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-29 05:33:39,106 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-29 05:33:39,106 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short83 could not be translated [2023-11-29 05:33:39,106 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short88 could not be translated [2023-11-29 05:33:39,106 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated [2023-11-29 05:33:39,106 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-29 05:33:39,106 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated [2023-11-29 05:33:39,107 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-29 05:33:39,107 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-29 05:33:39,107 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-29 05:33:39,107 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short83 could not be translated [2023-11-29 05:33:39,107 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated [2023-11-29 05:33:39,107 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-29 05:33:39,108 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short88 could not be translated [2023-11-29 05:33:39,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 05:33:39 BoogieIcfgContainer [2023-11-29 05:33:39,123 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 05:33:39,124 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:33:39,124 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:33:39,124 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:33:39,124 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:33:38" (3/4) ... [2023-11-29 05:33:39,126 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 05:33:39,127 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:33:39,128 INFO L158 Benchmark]: Toolchain (without parser) took 1996.26ms. Allocated memory was 157.3MB in the beginning and 197.1MB in the end (delta: 39.8MB). Free memory was 116.6MB in the beginning and 94.8MB in the end (delta: 21.8MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. [2023-11-29 05:33:39,129 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 157.3MB. Free memory is still 129.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:33:39,129 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.39ms. Allocated memory is still 157.3MB. Free memory was 116.6MB in the beginning and 102.9MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 05:33:39,129 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.13ms. Allocated memory is still 157.3MB. Free memory was 102.9MB in the beginning and 99.8MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:33:39,130 INFO L158 Benchmark]: Boogie Preprocessor took 62.12ms. Allocated memory is still 157.3MB. Free memory was 99.8MB in the beginning and 95.8MB in the end (delta: 4.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 05:33:39,130 INFO L158 Benchmark]: RCFGBuilder took 528.22ms. Allocated memory is still 157.3MB. Free memory was 95.8MB in the beginning and 71.1MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-29 05:33:39,131 INFO L158 Benchmark]: TraceAbstraction took 1047.64ms. Allocated memory was 157.3MB in the beginning and 197.1MB in the end (delta: 39.8MB). Free memory was 70.0MB in the beginning and 94.8MB in the end (delta: -24.9MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2023-11-29 05:33:39,131 INFO L158 Benchmark]: Witness Printer took 3.90ms. Allocated memory is still 197.1MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:33:39,134 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 157.3MB. Free memory is still 129.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.39ms. Allocated memory is still 157.3MB. Free memory was 116.6MB in the beginning and 102.9MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.13ms. Allocated memory is still 157.3MB. Free memory was 102.9MB in the beginning and 99.8MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 62.12ms. Allocated memory is still 157.3MB. Free memory was 99.8MB in the beginning and 95.8MB in the end (delta: 4.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 528.22ms. Allocated memory is still 157.3MB. Free memory was 95.8MB in the beginning and 71.1MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1047.64ms. Allocated memory was 157.3MB in the beginning and 197.1MB in the end (delta: 39.8MB). Free memory was 70.0MB in the beginning and 94.8MB in the end (delta: -24.9MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * Witness Printer took 3.90ms. Allocated memory is still 197.1MB. Free memory is still 94.8MB. 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~mem27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short88 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 someBinaryDOUBLEComparisonOperation at line 103, overapproximation of someBinaryArithmeticDOUBLEoperation at line 62. Possible FailurePath: [L33] unsigned char isInitial = 0; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 25.8, 1, 128.2, 15.4, 5.25, 1, 100, 1, 5 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 25.8, 1, 128.2, 15.4, 5.25, 1, 100, 1, 5 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 25.8, 1, 128.2, 15.4, 5.25, 1, 100, 1, 5 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 25.8, 1, 128.2, 15.4, 5.25, 1, 100, 1, 5 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 25.8, 1, 128.2, 15.4, 5.25, 1, 100, 1, 5 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 25.8, 1, 128.2, 15.4, 5.25, 1, 100, 1, 5 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 25.8, 1, 128.2, 15.4, 5.25, 1, 100, 1, 5 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 25.8, 1, 128.2, 15.4, 5.25, 1, 100, 1, 5 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 25.8, 1, 128.2, 15.4, 5.25, 1, 100, 1, 5 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 25.8, 1, 128.2, 15.4, 5.25, 1, 100, 1, 5 }; [L45] double last_1_WrapperStruct0_var_1_5 = 5.25; [L46] unsigned char last_1_WrapperStruct0_var_1_10 = 100; [L47] unsigned short int last_1_WrapperStruct0_var_1_13 = 5; [L107] isInitial = 1 [L108] FCALL initially() [L109] COND TRUE 1 [L110] CALL updateLastVariables() [L98] EXPR WrapperStruct0.var_1_5 [L98] last_1_WrapperStruct0_var_1_5 = WrapperStruct0.var_1_5 [L99] EXPR WrapperStruct0.var_1_10 [L99] last_1_WrapperStruct0_var_1_10 = WrapperStruct0.var_1_10 [L100] EXPR WrapperStruct0.var_1_13 [L100] last_1_WrapperStruct0_var_1_13 = WrapperStruct0.var_1_13 [L110] RET updateLastVariables() [L111] CALL updateVariables() [L83] WrapperStruct0.var_1_2 = __VERIFIER_nondet_uchar() [L84] EXPR WrapperStruct0.var_1_2 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L84] CALL assume_abort_if_not(WrapperStruct0.var_1_2 >= 0) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L84] RET assume_abort_if_not(WrapperStruct0.var_1_2 >= 0) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L85] EXPR WrapperStruct0.var_1_2 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L85] CALL assume_abort_if_not(WrapperStruct0.var_1_2 <= 1) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L85] RET assume_abort_if_not(WrapperStruct0.var_1_2 <= 1) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L86] WrapperStruct0.var_1_3 = __VERIFIER_nondet_double() [L87] EXPR WrapperStruct0.var_1_3 [L87] EXPR WrapperStruct0.var_1_3 >= 0.0F && WrapperStruct0.var_1_3 <= -1.0e-20F VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L87] EXPR WrapperStruct0.var_1_3 >= 0.0F && WrapperStruct0.var_1_3 <= -1.0e-20F [L87] EXPR WrapperStruct0.var_1_3 [L87] EXPR WrapperStruct0.var_1_3 >= 0.0F && WrapperStruct0.var_1_3 <= -1.0e-20F VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L87] EXPR (WrapperStruct0.var_1_3 >= 0.0F && WrapperStruct0.var_1_3 <= -1.0e-20F) || (WrapperStruct0.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_3 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L87] EXPR (WrapperStruct0.var_1_3 >= 0.0F && WrapperStruct0.var_1_3 <= -1.0e-20F) || (WrapperStruct0.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_3 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L87] CALL assume_abort_if_not((WrapperStruct0.var_1_3 >= 0.0F && WrapperStruct0.var_1_3 <= -1.0e-20F) || (WrapperStruct0.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L87] RET assume_abort_if_not((WrapperStruct0.var_1_3 >= 0.0F && WrapperStruct0.var_1_3 <= -1.0e-20F) || (WrapperStruct0.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L88] WrapperStruct0.var_1_4 = __VERIFIER_nondet_double() [L89] EXPR WrapperStruct0.var_1_4 [L89] EXPR WrapperStruct0.var_1_4 >= 0.0F && WrapperStruct0.var_1_4 <= -1.0e-20F VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L89] EXPR WrapperStruct0.var_1_4 >= 0.0F && WrapperStruct0.var_1_4 <= -1.0e-20F [L89] EXPR WrapperStruct0.var_1_4 [L89] EXPR WrapperStruct0.var_1_4 >= 0.0F && WrapperStruct0.var_1_4 <= -1.0e-20F VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L89] EXPR (WrapperStruct0.var_1_4 >= 0.0F && WrapperStruct0.var_1_4 <= -1.0e-20F) || (WrapperStruct0.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_4 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L89] EXPR (WrapperStruct0.var_1_4 >= 0.0F && WrapperStruct0.var_1_4 <= -1.0e-20F) || (WrapperStruct0.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_4 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L89] CALL assume_abort_if_not((WrapperStruct0.var_1_4 >= 0.0F && WrapperStruct0.var_1_4 <= -1.0e-20F) || (WrapperStruct0.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L89] RET assume_abort_if_not((WrapperStruct0.var_1_4 >= 0.0F && WrapperStruct0.var_1_4 <= -1.0e-20F) || (WrapperStruct0.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L90] WrapperStruct0.var_1_9 = __VERIFIER_nondet_uchar() [L91] EXPR WrapperStruct0.var_1_9 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L91] CALL assume_abort_if_not(WrapperStruct0.var_1_9 >= 0) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L91] RET assume_abort_if_not(WrapperStruct0.var_1_9 >= 0) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L92] EXPR WrapperStruct0.var_1_9 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L92] CALL assume_abort_if_not(WrapperStruct0.var_1_9 <= 1) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L92] RET assume_abort_if_not(WrapperStruct0.var_1_9 <= 1) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L93] WrapperStruct0.var_1_12 = __VERIFIER_nondet_uchar() [L94] EXPR WrapperStruct0.var_1_12 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L94] CALL assume_abort_if_not(WrapperStruct0.var_1_12 >= 0) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L94] RET assume_abort_if_not(WrapperStruct0.var_1_12 >= 0) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L95] EXPR WrapperStruct0.var_1_12 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L95] CALL assume_abort_if_not(WrapperStruct0.var_1_12 <= 254) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L95] RET assume_abort_if_not(WrapperStruct0.var_1_12 <= 254) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L111] RET updateVariables() [L112] CALL step() [L51] WrapperStruct0.var_1_9 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L51] COND FALSE !(WrapperStruct0.var_1_9) [L56] COND FALSE !((last_1_WrapperStruct0_var_1_13 + last_1_WrapperStruct0_var_1_13) < last_1_WrapperStruct0_var_1_13) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L61] EXPR WrapperStruct0.var_1_2 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L61] COND TRUE ! WrapperStruct0.var_1_2 [L62] EXPR WrapperStruct0.var_1_3 [L62] EXPR WrapperStruct0.var_1_4 [L62] WrapperStruct0.var_1_1 = (WrapperStruct0.var_1_3 - WrapperStruct0.var_1_4) [L66] EXPR WrapperStruct0.var_1_3 [L66] EXPR WrapperStruct0.var_1_4 [L66] EXPR WrapperStruct0.var_1_1 [L66] EXPR WrapperStruct0.var_1_1 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L66] COND FALSE !((WrapperStruct0.var_1_3 + (WrapperStruct0.var_1_4 + WrapperStruct0.var_1_1)) != WrapperStruct0.var_1_1) [L79] EXPR WrapperStruct0.var_1_3 [L79] WrapperStruct0.var_1_5 = WrapperStruct0.var_1_3 [L112] RET step() [L113] CALL, EXPR property() [L103] EXPR WrapperStruct0.var_1_2 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L103] EXPR (! WrapperStruct0.var_1_2) ? (WrapperStruct0.var_1_1 == ((double) (WrapperStruct0.var_1_3 - WrapperStruct0.var_1_4))) : (WrapperStruct0.var_1_1 == ((double) ((((16.2) < (WrapperStruct0.var_1_3)) ? (16.2) : (WrapperStruct0.var_1_3))))) [L103] EXPR WrapperStruct0.var_1_1 [L103] EXPR WrapperStruct0.var_1_3 [L103] EXPR WrapperStruct0.var_1_4 [L103] EXPR (! WrapperStruct0.var_1_2) ? (WrapperStruct0.var_1_1 == ((double) (WrapperStruct0.var_1_3 - WrapperStruct0.var_1_4))) : (WrapperStruct0.var_1_1 == ((double) ((((16.2) < (WrapperStruct0.var_1_3)) ? (16.2) : (WrapperStruct0.var_1_3))))) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L103] EXPR ((! WrapperStruct0.var_1_2) ? (WrapperStruct0.var_1_1 == ((double) (WrapperStruct0.var_1_3 - WrapperStruct0.var_1_4))) : (WrapperStruct0.var_1_1 == ((double) ((((16.2) < (WrapperStruct0.var_1_3)) ? (16.2) : (WrapperStruct0.var_1_3)))))) && (((WrapperStruct0.var_1_3 + (WrapperStruct0.var_1_4 + WrapperStruct0.var_1_1)) != WrapperStruct0.var_1_1) ? (WrapperStruct0.var_1_2 ? (((- WrapperStruct0.var_1_13) <= WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_9 ? (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_4)) : 1) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L103] EXPR ((! WrapperStruct0.var_1_2) ? (WrapperStruct0.var_1_1 == ((double) (WrapperStruct0.var_1_3 - WrapperStruct0.var_1_4))) : (WrapperStruct0.var_1_1 == ((double) ((((16.2) < (WrapperStruct0.var_1_3)) ? (16.2) : (WrapperStruct0.var_1_3)))))) && (((WrapperStruct0.var_1_3 + (WrapperStruct0.var_1_4 + WrapperStruct0.var_1_1)) != WrapperStruct0.var_1_1) ? (WrapperStruct0.var_1_2 ? (((- WrapperStruct0.var_1_13) <= WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_9 ? (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_4)) : 1) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L103] EXPR (((! WrapperStruct0.var_1_2) ? (WrapperStruct0.var_1_1 == ((double) (WrapperStruct0.var_1_3 - WrapperStruct0.var_1_4))) : (WrapperStruct0.var_1_1 == ((double) ((((16.2) < (WrapperStruct0.var_1_3)) ? (16.2) : (WrapperStruct0.var_1_3)))))) && (((WrapperStruct0.var_1_3 + (WrapperStruct0.var_1_4 + WrapperStruct0.var_1_1)) != WrapperStruct0.var_1_1) ? (WrapperStruct0.var_1_2 ? (((- WrapperStruct0.var_1_13) <= WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_9 ? (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_4)) : 1) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3)))) && (((last_1_WrapperStruct0_var_1_13 + last_1_WrapperStruct0_var_1_13) < last_1_WrapperStruct0_var_1_13) ? ((last_1_WrapperStruct0_var_1_13 > last_1_WrapperStruct0_var_1_13) ? (WrapperStruct0.var_1_10 == ((unsigned char) WrapperStruct0.var_1_12)) : 1) : 1) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L103] EXPR (((! WrapperStruct0.var_1_2) ? (WrapperStruct0.var_1_1 == ((double) (WrapperStruct0.var_1_3 - WrapperStruct0.var_1_4))) : (WrapperStruct0.var_1_1 == ((double) ((((16.2) < (WrapperStruct0.var_1_3)) ? (16.2) : (WrapperStruct0.var_1_3)))))) && (((WrapperStruct0.var_1_3 + (WrapperStruct0.var_1_4 + WrapperStruct0.var_1_1)) != WrapperStruct0.var_1_1) ? (WrapperStruct0.var_1_2 ? (((- WrapperStruct0.var_1_13) <= WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_9 ? (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_4)) : 1) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3)))) && (((last_1_WrapperStruct0_var_1_13 + last_1_WrapperStruct0_var_1_13) < last_1_WrapperStruct0_var_1_13) ? ((last_1_WrapperStruct0_var_1_13 > last_1_WrapperStruct0_var_1_13) ? (WrapperStruct0.var_1_10 == ((unsigned char) WrapperStruct0.var_1_12)) : 1) : 1) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L103] EXPR ((((! WrapperStruct0.var_1_2) ? (WrapperStruct0.var_1_1 == ((double) (WrapperStruct0.var_1_3 - WrapperStruct0.var_1_4))) : (WrapperStruct0.var_1_1 == ((double) ((((16.2) < (WrapperStruct0.var_1_3)) ? (16.2) : (WrapperStruct0.var_1_3)))))) && (((WrapperStruct0.var_1_3 + (WrapperStruct0.var_1_4 + WrapperStruct0.var_1_1)) != WrapperStruct0.var_1_1) ? (WrapperStruct0.var_1_2 ? (((- WrapperStruct0.var_1_13) <= WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_9 ? (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_4)) : 1) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3)))) && (((last_1_WrapperStruct0_var_1_13 + last_1_WrapperStruct0_var_1_13) < last_1_WrapperStruct0_var_1_13) ? ((last_1_WrapperStruct0_var_1_13 > last_1_WrapperStruct0_var_1_13) ? (WrapperStruct0.var_1_10 == ((unsigned char) WrapperStruct0.var_1_12)) : 1) : 1)) && (WrapperStruct0.var_1_9 ? (((WrapperStruct0.var_1_4 * (WrapperStruct0.var_1_3 - 5.3)) <= last_1_WrapperStruct0_var_1_5) ? (WrapperStruct0.var_1_13 == ((unsigned short int) last_1_WrapperStruct0_var_1_10)) : 1) : 1) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L103] EXPR ((((! WrapperStruct0.var_1_2) ? (WrapperStruct0.var_1_1 == ((double) (WrapperStruct0.var_1_3 - WrapperStruct0.var_1_4))) : (WrapperStruct0.var_1_1 == ((double) ((((16.2) < (WrapperStruct0.var_1_3)) ? (16.2) : (WrapperStruct0.var_1_3)))))) && (((WrapperStruct0.var_1_3 + (WrapperStruct0.var_1_4 + WrapperStruct0.var_1_1)) != WrapperStruct0.var_1_1) ? (WrapperStruct0.var_1_2 ? (((- WrapperStruct0.var_1_13) <= WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_9 ? (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_4)) : 1) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3)))) && (((last_1_WrapperStruct0_var_1_13 + last_1_WrapperStruct0_var_1_13) < last_1_WrapperStruct0_var_1_13) ? ((last_1_WrapperStruct0_var_1_13 > last_1_WrapperStruct0_var_1_13) ? (WrapperStruct0.var_1_10 == ((unsigned char) WrapperStruct0.var_1_12)) : 1) : 1)) && (WrapperStruct0.var_1_9 ? (((WrapperStruct0.var_1_4 * (WrapperStruct0.var_1_3 - 5.3)) <= last_1_WrapperStruct0_var_1_5) ? (WrapperStruct0.var_1_13 == ((unsigned short int) last_1_WrapperStruct0_var_1_10)) : 1) : 1) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L103-L104] return ((((! WrapperStruct0.var_1_2) ? (WrapperStruct0.var_1_1 == ((double) (WrapperStruct0.var_1_3 - WrapperStruct0.var_1_4))) : (WrapperStruct0.var_1_1 == ((double) ((((16.2) < (WrapperStruct0.var_1_3)) ? (16.2) : (WrapperStruct0.var_1_3)))))) && (((WrapperStruct0.var_1_3 + (WrapperStruct0.var_1_4 + WrapperStruct0.var_1_1)) != WrapperStruct0.var_1_1) ? (WrapperStruct0.var_1_2 ? (((- WrapperStruct0.var_1_13) <= WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_9 ? (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_4)) : 1) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3)))) && (((last_1_WrapperStruct0_var_1_13 + last_1_WrapperStruct0_var_1_13) < last_1_WrapperStruct0_var_1_13) ? ((last_1_WrapperStruct0_var_1_13 > last_1_WrapperStruct0_var_1_13) ? (WrapperStruct0.var_1_10 == ((unsigned char) WrapperStruct0.var_1_12)) : 1) : 1)) && (WrapperStruct0.var_1_9 ? (((WrapperStruct0.var_1_4 * (WrapperStruct0.var_1_3 - 5.3)) <= last_1_WrapperStruct0_var_1_5) ? (WrapperStruct0.var_1_13 == ((unsigned short int) last_1_WrapperStruct0_var_1_10)) : 1) : 1) ; [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct0={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L19] reach_error() VAL [WrapperStruct0={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 78 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 385 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 188 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 197 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 219 NumberOfCodeBlocks, 219 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 146 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 224/224 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 05:33:39,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/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_81ef6f40-0e11-4690-b148-13883222fa9f/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/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_81ef6f40-0e11-4690-b148-13883222fa9f/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 673f48eff2c9fa553be4e6ec558f63c53157e8de398373430e9065fe538627b8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:33:41,154 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:33:41,223 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 05:33:41,236 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:33:41,236 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:33:41,265 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:33:41,266 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:33:41,267 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:33:41,267 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:33:41,268 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:33:41,268 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:33:41,269 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:33:41,270 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:33:41,270 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:33:41,271 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:33:41,271 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:33:41,272 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:33:41,272 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:33:41,273 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:33:41,273 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:33:41,274 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:33:41,274 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:33:41,275 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:33:41,275 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 05:33:41,275 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 05:33:41,276 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 05:33:41,276 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:33:41,277 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:33:41,277 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:33:41,277 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:33:41,278 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:33:41,278 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:33:41,278 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:33:41,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:33:41,279 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:33:41,279 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:33:41,279 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:33:41,280 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 05:33:41,280 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 05:33:41,280 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:33:41,280 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:33:41,281 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:33:41,281 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:33:41,281 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:33:41,281 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 05:33:41,281 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_81ef6f40-0e11-4690-b148-13883222fa9f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 673f48eff2c9fa553be4e6ec558f63c53157e8de398373430e9065fe538627b8 [2023-11-29 05:33:41,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:33:41,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:33:41,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:33:41,586 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:33:41,586 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:33:41,587 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i [2023-11-29 05:33:44,371 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:33:44,591 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:33:44,591 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i [2023-11-29 05:33:44,601 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/bin/uautomizer-verify-BQ2R08f2Ya/data/c802326ed/ce928bc96d8f482c9392c6706576a8ee/FLAGdad954473 [2023-11-29 05:33:44,616 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/bin/uautomizer-verify-BQ2R08f2Ya/data/c802326ed/ce928bc96d8f482c9392c6706576a8ee [2023-11-29 05:33:44,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:33:44,620 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:33:44,622 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:33:44,622 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:33:44,627 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:33:44,628 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:33:44" (1/1) ... [2023-11-29 05:33:44,629 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb952d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:44, skipping insertion in model container [2023-11-29 05:33:44,630 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:33:44" (1/1) ... [2023-11-29 05:33:44,657 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:33:44,798 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_81ef6f40-0e11-4690-b148-13883222fa9f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i[915,928] [2023-11-29 05:33:44,846 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:33:44,861 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:33:44,872 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_81ef6f40-0e11-4690-b148-13883222fa9f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i[915,928] [2023-11-29 05:33:44,910 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:33:44,933 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:33:44,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:44 WrapperNode [2023-11-29 05:33:44,933 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:33:44,934 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:33:44,934 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:33:44,934 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:33:44,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:44" (1/1) ... [2023-11-29 05:33:44,956 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:44" (1/1) ... [2023-11-29 05:33:44,994 INFO L138 Inliner]: procedures = 33, calls = 111, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 317 [2023-11-29 05:33:44,994 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:33:44,995 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:33:44,995 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:33:44,995 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:33:45,008 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:44" (1/1) ... [2023-11-29 05:33:45,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:44" (1/1) ... [2023-11-29 05:33:45,017 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:44" (1/1) ... [2023-11-29 05:33:45,036 INFO L175 MemorySlicer]: Split 91 memory accesses to 2 slices as follows [2, 89]. 98 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 9]. The 13 writes are split as follows [0, 13]. [2023-11-29 05:33:45,036 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:44" (1/1) ... [2023-11-29 05:33:45,036 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:44" (1/1) ... [2023-11-29 05:33:45,058 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:44" (1/1) ... [2023-11-29 05:33:45,064 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:44" (1/1) ... [2023-11-29 05:33:45,067 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:44" (1/1) ... [2023-11-29 05:33:45,070 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:44" (1/1) ... [2023-11-29 05:33:45,076 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:33:45,077 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:33:45,077 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:33:45,077 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:33:45,078 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:44" (1/1) ... [2023-11-29 05:33:45,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:33:45,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:33:45,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:33:45,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:33:45,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:33:45,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2023-11-29 05:33:45,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2023-11-29 05:33:45,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2023-11-29 05:33:45,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2023-11-29 05:33:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-11-29 05:33:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-11-29 05:33:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2023-11-29 05:33:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2023-11-29 05:33:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 05:33:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-29 05:33:45,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2023-11-29 05:33:45,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2023-11-29 05:33:45,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2023-11-29 05:33:45,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2023-11-29 05:33:45,153 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 05:33:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 05:33:45,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:33:45,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:33:45,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-11-29 05:33:45,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-11-29 05:33:45,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2023-11-29 05:33:45,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2023-11-29 05:33:45,296 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:33:45,298 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:34:03,695 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:34:03,739 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:34:03,739 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 05:34:03,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:34:03 BoogieIcfgContainer [2023-11-29 05:34:03,740 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:34:03,742 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:34:03,742 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:34:03,745 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:34:03,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:33:44" (1/3) ... [2023-11-29 05:34:03,745 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@228a37d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:34:03, skipping insertion in model container [2023-11-29 05:34:03,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:44" (2/3) ... [2023-11-29 05:34:03,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@228a37d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:34:03, skipping insertion in model container [2023-11-29 05:34:03,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:34:03" (3/3) ... [2023-11-29 05:34:03,747 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-0.i [2023-11-29 05:34:03,761 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:34:03,761 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:34:03,802 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:34:03,808 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;@6b88514a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:34:03,808 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:34:03,811 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 67 states have (on average 1.507462686567164) internal successors, (101), 68 states have internal predecessors, (101), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-29 05:34:03,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-29 05:34:03,822 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:34:03,823 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:34:03,823 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:34:03,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:03,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1941354024, now seen corresponding path program 1 times [2023-11-29 05:34:03,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:34:03,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1356790260] [2023-11-29 05:34:03,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:03,852 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 05:34:03,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:34:03,854 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/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 05:34:03,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/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 05:34:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:04,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 05:34:04,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:34:04,380 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-11-29 05:34:04,380 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:34:04,381 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:34:04,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1356790260] [2023-11-29 05:34:04,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1356790260] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:34:04,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:34:04,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:34:04,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945080585] [2023-11-29 05:34:04,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:34:04,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 05:34:04,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:34:04,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 05:34:04,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:34:04,409 INFO L87 Difference]: Start difference. First operand has 78 states, 67 states have (on average 1.507462686567164) internal successors, (101), 68 states have internal predecessors, (101), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 05:34:04,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:34:04,457 INFO L93 Difference]: Finished difference Result 150 states and 235 transitions. [2023-11-29 05:34:04,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 05:34:04,460 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 73 [2023-11-29 05:34:04,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:34:04,469 INFO L225 Difference]: With dead ends: 150 [2023-11-29 05:34:04,469 INFO L226 Difference]: Without dead ends: 73 [2023-11-29 05:34:04,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 72 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 05:34:04,477 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:34:04,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:34:04,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-29 05:34:04,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-29 05:34:04,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 63 states have (on average 1.380952380952381) internal successors, (87), 63 states have internal predecessors, (87), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-29 05:34:04,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 103 transitions. [2023-11-29 05:34:04,525 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 103 transitions. Word has length 73 [2023-11-29 05:34:04,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:34:04,526 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 103 transitions. [2023-11-29 05:34:04,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 05:34:04,526 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 103 transitions. [2023-11-29 05:34:04,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-29 05:34:04,530 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:34:04,530 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:34:04,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/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 05:34:04,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/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 05:34:04,733 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:34:04,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:04,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1065954572, now seen corresponding path program 1 times [2023-11-29 05:34:04,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:34:04,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [847955792] [2023-11-29 05:34:04,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:04,735 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 05:34:04,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:34:04,736 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/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 05:34:04,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/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 05:34:05,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:05,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 05:34:05,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:34:05,274 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-29 05:34:05,274 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:34:05,274 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:34:05,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [847955792] [2023-11-29 05:34:05,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [847955792] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:34:05,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:34:05,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:34:05,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145008976] [2023-11-29 05:34:05,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:34:05,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:34:05,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:34:05,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:34:05,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:34:05,279 INFO L87 Difference]: Start difference. First operand 73 states and 103 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 05:34:05,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:34:05,452 INFO L93 Difference]: Finished difference Result 151 states and 214 transitions. [2023-11-29 05:34:05,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:34:05,453 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 73 [2023-11-29 05:34:05,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:34:05,454 INFO L225 Difference]: With dead ends: 151 [2023-11-29 05:34:05,455 INFO L226 Difference]: Without dead ends: 79 [2023-11-29 05:34:05,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:34:05,458 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 10 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:34:05,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 286 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:34:05,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-29 05:34:05,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 75. [2023-11-29 05:34:05,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 65 states have (on average 1.3692307692307693) internal successors, (89), 65 states have internal predecessors, (89), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-29 05:34:05,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 105 transitions. [2023-11-29 05:34:05,473 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 105 transitions. Word has length 73 [2023-11-29 05:34:05,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:34:05,473 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 105 transitions. [2023-11-29 05:34:05,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 05:34:05,474 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 105 transitions. [2023-11-29 05:34:05,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-29 05:34:05,476 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:34:05,476 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:34:05,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/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 05:34:05,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/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 05:34:05,681 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:34:05,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:05,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1626654350, now seen corresponding path program 1 times [2023-11-29 05:34:05,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:34:05,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2130758781] [2023-11-29 05:34:05,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:05,682 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 05:34:05,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:34:05,684 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/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 05:34:05,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/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 05:34:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:06,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 05:34:06,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:34:06,415 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:34:06,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2023-11-29 05:34:06,501 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-29 05:34:06,501 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:34:06,502 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:34:06,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2130758781] [2023-11-29 05:34:06,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2130758781] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:34:06,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:34:06,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:34:06,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543270783] [2023-11-29 05:34:06,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:34:06,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:34:06,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:34:06,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:34:06,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:34:06,505 INFO L87 Difference]: Start difference. First operand 75 states and 105 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 05:34:11,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:34:13,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:34:17,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:34:19,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:34:28,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:34:32,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:34:32,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:34:32,751 INFO L93 Difference]: Finished difference Result 153 states and 215 transitions. [2023-11-29 05:34:32,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 05:34:32,789 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 73 [2023-11-29 05:34:32,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:34:32,791 INFO L225 Difference]: With dead ends: 153 [2023-11-29 05:34:32,791 INFO L226 Difference]: Without dead ends: 79 [2023-11-29 05:34:32,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:34:32,793 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 111 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:34:32,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 250 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 147 Invalid, 3 Unknown, 0 Unchecked, 26.1s Time] [2023-11-29 05:34:32,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-29 05:34:32,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 73. [2023-11-29 05:34:32,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 63 states have (on average 1.3650793650793651) internal successors, (86), 63 states have internal predecessors, (86), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-29 05:34:32,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2023-11-29 05:34:32,801 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 73 [2023-11-29 05:34:32,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:34:32,801 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2023-11-29 05:34:32,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 05:34:32,801 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2023-11-29 05:34:32,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-29 05:34:32,802 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:34:32,803 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:34:32,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/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 05:34:33,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/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 05:34:33,003 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:34:33,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:33,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1871300666, now seen corresponding path program 1 times [2023-11-29 05:34:33,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:34:33,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [607079816] [2023-11-29 05:34:33,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:33,005 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 05:34:33,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:34:33,006 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/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 05:34:33,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/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 05:34:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:33,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 05:34:33,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:34:33,690 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:34:33,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 172 treesize of output 64 [2023-11-29 05:34:33,830 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 60 proven. 8 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-29 05:34:33,830 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:34:34,241 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:34:34,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 110 treesize of output 1 [2023-11-29 05:34:34,249 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-29 05:34:34,250 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:34:34,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [607079816] [2023-11-29 05:34:34,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [607079816] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:34:34,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:34:34,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2023-11-29 05:34:34,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266346542] [2023-11-29 05:34:34,251 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:34:34,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:34:34,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:34:34,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:34:34,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:34:34,254 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand has 12 states, 11 states have (on average 5.181818181818182) internal successors, (57), 12 states have internal predecessors, (57), 4 states have call successors, (15), 3 states have call predecessors, (15), 4 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2023-11-29 05:34:38,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:34:42,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:34:44,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:34:47,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:34:54,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:34:57,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:35:01,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.81s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:35:01,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:35:01,887 INFO L93 Difference]: Finished difference Result 158 states and 218 transitions. [2023-11-29 05:35:01,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 05:35:01,926 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.181818181818182) internal successors, (57), 12 states have internal predecessors, (57), 4 states have call successors, (15), 3 states have call predecessors, (15), 4 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 75 [2023-11-29 05:35:01,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:35:01,927 INFO L225 Difference]: With dead ends: 158 [2023-11-29 05:35:01,927 INFO L226 Difference]: Without dead ends: 75 [2023-11-29 05:35:01,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=109, Invalid=353, Unknown=0, NotChecked=0, Total=462 [2023-11-29 05:35:01,929 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 113 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:35:01,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 390 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 320 Invalid, 2 Unknown, 0 Unchecked, 27.2s Time] [2023-11-29 05:35:01,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-29 05:35:01,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2023-11-29 05:35:01,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 63 states have (on average 1.3333333333333333) internal successors, (84), 63 states have internal predecessors, (84), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-29 05:35:01,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 100 transitions. [2023-11-29 05:35:01,936 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 100 transitions. Word has length 75 [2023-11-29 05:35:01,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:35:01,936 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 100 transitions. [2023-11-29 05:35:01,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.181818181818182) internal successors, (57), 12 states have internal predecessors, (57), 4 states have call successors, (15), 3 states have call predecessors, (15), 4 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2023-11-29 05:35:01,937 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 100 transitions. [2023-11-29 05:35:01,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-29 05:35:01,938 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:35:01,938 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:35:01,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/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 05:35:02,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/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 05:35:02,139 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:35:02,139 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:35:02,139 INFO L85 PathProgramCache]: Analyzing trace with hash -90273992, now seen corresponding path program 1 times [2023-11-29 05:35:02,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:35:02,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1856972001] [2023-11-29 05:35:02,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:35:02,140 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 05:35:02,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:35:02,141 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/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 05:35:02,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/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)] Waiting until timeout for monitored process [2023-11-29 05:35:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:02,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 05:35:02,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:35:02,773 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:35:02,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2023-11-29 05:35:02,824 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-29 05:35:02,824 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:35:02,824 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:35:02,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1856972001] [2023-11-29 05:35:02,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1856972001] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:35:02,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:35:02,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:35:02,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911993154] [2023-11-29 05:35:02,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:35:02,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:35:02,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:35:02,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:35:02,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:35:02,826 INFO L87 Difference]: Start difference. First operand 73 states and 100 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 05:35:07,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:35:11,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:35:15,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:35:17,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:35:20,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:35:24,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:35:27,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:35:31,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:35:35,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:35:39,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:35:39,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:35:39,529 INFO L93 Difference]: Finished difference Result 151 states and 208 transitions. [2023-11-29 05:35:39,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 05:35:39,570 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 75 [2023-11-29 05:35:39,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:35:39,571 INFO L225 Difference]: With dead ends: 151 [2023-11-29 05:35:39,571 INFO L226 Difference]: Without dead ends: 79 [2023-11-29 05:35:39,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:35:39,572 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 93 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 5 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.6s IncrementalHoareTripleChecker+Time [2023-11-29 05:35:39,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 240 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 148 Invalid, 4 Unknown, 0 Unchecked, 36.6s Time] [2023-11-29 05:35:39,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-29 05:35:39,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 73. [2023-11-29 05:35:39,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 63 states have internal predecessors, (83), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-29 05:35:39,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 99 transitions. [2023-11-29 05:35:39,581 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 99 transitions. Word has length 75 [2023-11-29 05:35:39,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:35:39,582 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 99 transitions. [2023-11-29 05:35:39,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 05:35:39,582 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 99 transitions. [2023-11-29 05:35:39,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-29 05:35:39,583 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:35:39,584 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:35:39,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/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)] Ended with exit code 0 [2023-11-29 05:35:39,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/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 05:35:39,784 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:35:39,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:35:39,785 INFO L85 PathProgramCache]: Analyzing trace with hash 2015118386, now seen corresponding path program 1 times [2023-11-29 05:35:39,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:35:39,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1551348106] [2023-11-29 05:35:39,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:35:39,785 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 05:35:39,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:35:39,786 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/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 05:35:39,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/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 05:35:45,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:45,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-29 05:35:45,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:35:45,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 05:35:46,871 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:35:46,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 136 treesize of output 67 [2023-11-29 05:35:54,612 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:35:54,612 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 245 treesize of output 127 [2023-11-29 05:35:56,012 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:35:56,012 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 225 treesize of output 146 [2023-11-29 05:35:57,939 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:35:57,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 347 treesize of output 203 [2023-11-29 05:36:03,270 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:36:03,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 539 treesize of output 199 [2023-11-29 05:36:19,680 WARN L293 SmtUtils]: Spent 5.56s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:36:27,792 WARN L293 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:36:40,617 WARN L293 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:36:48,706 WARN L293 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:36:55,112 WARN L293 SmtUtils]: Spent 6.41s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:36:59,147 WARN L854 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_27 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_51| (_ BitVec 64)) (v_arrayElimCell_29 (_ BitVec 32)) (v_arrayElimCell_28 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_52| (_ BitVec 64))) (let ((.cse3 ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (.cse0 (let ((.cse7 (concat v_arrayElimCell_28 v_arrayElimCell_27))) (fp ((_ extract 63 63) .cse7) ((_ extract 62 52) .cse7) ((_ extract 51 0) .cse7)))) (.cse2 (let ((.cse6 (concat v_arrayElimCell_29 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_51|)))) (fp ((_ extract 63 63) .cse6) ((_ extract 62 52) .cse6) ((_ extract 51 0) .cse6))))) (and (fp.geq .cse0 .cse1) (= (fp.sub roundNearestTiesToEven .cse0 .cse2) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_52|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_52|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_52|))) (fp.leq .cse0 .cse3) (fp.leq .cse2 .cse3) (fp.geq .cse2 .cse1) (let ((.cse4 (let ((.cse5 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_52|) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_52|)))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5))))) (fp.eq (fp.add roundNearestTiesToEven .cse0 (fp.add roundNearestTiesToEven .cse2 .cse4)) .cse4))))) is different from false [2023-11-29 05:37:03,166 WARN L876 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_27 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_51| (_ BitVec 64)) (v_arrayElimCell_29 (_ BitVec 32)) (v_arrayElimCell_28 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_52| (_ BitVec 64))) (let ((.cse3 ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (.cse0 (let ((.cse7 (concat v_arrayElimCell_28 v_arrayElimCell_27))) (fp ((_ extract 63 63) .cse7) ((_ extract 62 52) .cse7) ((_ extract 51 0) .cse7)))) (.cse2 (let ((.cse6 (concat v_arrayElimCell_29 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_51|)))) (fp ((_ extract 63 63) .cse6) ((_ extract 62 52) .cse6) ((_ extract 51 0) .cse6))))) (and (fp.geq .cse0 .cse1) (= (fp.sub roundNearestTiesToEven .cse0 .cse2) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_52|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_52|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_52|))) (fp.leq .cse0 .cse3) (fp.leq .cse2 .cse3) (fp.geq .cse2 .cse1) (let ((.cse4 (let ((.cse5 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_52|) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_52|)))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5))))) (fp.eq (fp.add roundNearestTiesToEven .cse0 (fp.add roundNearestTiesToEven .cse2 .cse4)) .cse4))))) is different from true [2023-11-29 05:37:13,578 WARN L293 SmtUtils]: Spent 6.38s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:37:21,679 WARN L293 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:37:28,132 WARN L293 SmtUtils]: Spent 6.45s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:37:36,244 WARN L293 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:37:44,341 WARN L293 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:37:52,218 WARN L293 SmtUtils]: Spent 7.88s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:38:04,352 WARN L293 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:38:12,519 WARN L293 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:38:17,734 WARN L293 SmtUtils]: Spent 5.21s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:38:25,841 WARN L293 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:38:33,942 WARN L293 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:38:40,188 WARN L293 SmtUtils]: Spent 6.25s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:38:57,079 WARN L293 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:39:02,209 WARN L293 SmtUtils]: Spent 5.13s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:39:10,346 WARN L293 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:39:18,485 WARN L293 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:39:26,569 WARN L293 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:39:38,788 WARN L293 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:39:46,946 WARN L293 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:39:52,758 WARN L293 SmtUtils]: Spent 5.81s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:40:00,892 WARN L293 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:40:09,038 WARN L293 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:40:15,992 WARN L293 SmtUtils]: Spent 6.95s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:40:26,788 WARN L293 SmtUtils]: Spent 6.69s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:40:34,941 WARN L293 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:40:41,284 WARN L293 SmtUtils]: Spent 6.34s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:40:49,455 WARN L293 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:40:57,311 WARN L293 SmtUtils]: Spent 7.86s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:41:05,451 WARN L293 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:41:16,864 WARN L293 SmtUtils]: Spent 7.28s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:41:24,998 WARN L293 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:41:30,702 WARN L293 SmtUtils]: Spent 5.70s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:41:38,884 WARN L293 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:41:47,002 WARN L293 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:41:52,697 WARN L293 SmtUtils]: Spent 5.69s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:42:04,878 WARN L293 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:42:13,039 WARN L293 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:42:18,473 WARN L293 SmtUtils]: Spent 5.43s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:42:26,619 WARN L293 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:42:34,733 WARN L293 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:42:42,855 WARN L293 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:42:59,448 WARN L293 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:43:06,533 WARN L293 SmtUtils]: Spent 7.08s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:43:14,660 WARN L293 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:43:22,768 WARN L293 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:43:30,998 WARN L293 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:43:43,104 WARN L293 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:43:50,254 WARN L293 SmtUtils]: Spent 7.15s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:44:03,181 WARN L293 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:44:11,325 WARN L293 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:44:18,497 WARN L293 SmtUtils]: Spent 7.17s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:44:30,654 WARN L293 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:44:38,819 WARN L293 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:44:44,341 WARN L293 SmtUtils]: Spent 5.52s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:44:52,476 WARN L293 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:45:00,611 WARN L293 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:45:08,768 WARN L293 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:45:08,771 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 76 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 05:45:08,771 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:47:26,301 WARN L293 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:47:33,208 WARN L293 SmtUtils]: Spent 6.91s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:47:37,928 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_52| (_ BitVec 64))) (let ((.cse5 (select |c_#memory_int#1| |c_~#WrapperStruct0~0.base|))) (let ((.cse0 (let ((.cse6 (concat (select .cse5 (bvadd |c_~#WrapperStruct0~0.offset| (_ bv13 32))) (select .cse5 (bvadd |c_~#WrapperStruct0~0.offset| (_ bv9 32)))))) (fp ((_ extract 63 63) .cse6) ((_ extract 62 52) .cse6) ((_ extract 51 0) .cse6)))) (.cse1 (let ((.cse4 (concat (select .cse5 (bvadd |c_~#WrapperStruct0~0.offset| (_ bv21 32))) (select .cse5 (bvadd (_ bv17 32) |c_~#WrapperStruct0~0.offset|))))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))))) (or (not (let ((.cse2 (let ((.cse3 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_52|) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_52|)))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))))) (fp.eq (fp.add c_currentRoundingMode .cse0 (fp.add c_currentRoundingMode .cse1 .cse2)) .cse2))) (not (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_52|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_52|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_52|)) (fp.sub c_currentRoundingMode .cse0 .cse1))))))) is different from false [2023-11-29 05:47:49,901 WARN L293 SmtUtils]: Spent 5.96s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:47:55,861 WARN L293 SmtUtils]: Spent 5.96s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:48:00,900 WARN L293 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:48:13,359 WARN L293 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:48:20,928 WARN L293 SmtUtils]: Spent 7.57s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:48:29,078 WARN L293 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:48:35,829 WARN L293 SmtUtils]: Spent 6.75s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:48:35,830 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:48:35,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1551348106] [2023-11-29 05:48:35,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1551348106] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:48:35,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [546642482] [2023-11-29 05:48:35,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:48:35,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 05:48:35,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 05:48:35,832 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 05:48:35,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81ef6f40-0e11-4690-b148-13883222fa9f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-29 05:48:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:48:42,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-29 05:48:42,937 INFO L285 TraceCheckSpWp]: Computing forward predicates...