./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd --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 5e916ae9c48effac9b6c4a1d1191ee8fa3cb5babfe7e8bb0aead8328ceda8c4a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:43:52,493 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:43:52,597 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 13:43:52,603 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:43:52,604 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:43:52,632 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:43:52,632 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:43:52,633 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:43:52,633 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:43:52,633 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:43:52,634 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:43:52,634 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:43:52,634 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:43:52,634 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:43:52,635 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:43:52,635 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:43:52,635 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:43:52,635 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:43:52,636 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:43:52,636 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:43:52,636 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:43:52,636 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:43:52,636 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:43:52,636 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:43:52,637 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:43:52,637 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:43:52,637 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:43:52,637 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:43:52,637 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:43:52,638 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:43:52,638 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:43:52,638 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:43:52,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:43:52,639 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:43:52,639 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:43:52,639 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:43:52,639 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:43:52,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:43:52,639 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:43:52,640 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:43:52,640 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:43:52,640 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:43:52,640 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd 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 -> 5e916ae9c48effac9b6c4a1d1191ee8fa3cb5babfe7e8bb0aead8328ceda8c4a [2024-11-13 13:43:53,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:43:53,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:43:53,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:43:53,099 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:43:53,100 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:43:53,102 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c Unable to find full path for "g++" [2024-11-13 13:43:55,558 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:43:55,917 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:43:55,918 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/sv-benchmarks/c/float-newlib/double_req_bl_1052d.c [2024-11-13 13:43:55,928 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/data/f0b576ad4/2d3c07635fac4df5af5b0e6abfb02223/FLAG76e58a1fc [2024-11-13 13:43:56,143 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/data/f0b576ad4/2d3c07635fac4df5af5b0e6abfb02223 [2024-11-13 13:43:56,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:43:56,148 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:43:56,150 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:43:56,150 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:43:56,155 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:43:56,156 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:43:56" (1/1) ... [2024-11-13 13:43:56,158 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d36c275 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:56, skipping insertion in model container [2024-11-13 13:43:56,158 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:43:56" (1/1) ... [2024-11-13 13:43:56,176 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:43:56,465 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/sv-benchmarks/c/float-newlib/double_req_bl_1052d.c[2259,2272] [2024-11-13 13:43:56,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:43:56,483 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:43:56,536 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/sv-benchmarks/c/float-newlib/double_req_bl_1052d.c[2259,2272] [2024-11-13 13:43:56,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:43:56,555 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:43:56,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:56 WrapperNode [2024-11-13 13:43:56,556 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:43:56,558 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:43:56,558 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:43:56,558 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:43:56,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:56" (1/1) ... [2024-11-13 13:43:56,582 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:56" (1/1) ... [2024-11-13 13:43:56,634 INFO L138 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 191 [2024-11-13 13:43:56,634 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:43:56,635 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:43:56,635 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:43:56,635 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:43:56,650 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:56" (1/1) ... [2024-11-13 13:43:56,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:56" (1/1) ... [2024-11-13 13:43:56,654 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:56" (1/1) ... [2024-11-13 13:43:56,684 INFO L175 MemorySlicer]: Split 10 memory accesses to 4 slices as follows [2, 2, 3, 3]. 30 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 4 writes are split as follows [0, 1, 2, 1]. [2024-11-13 13:43:56,687 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:56" (1/1) ... [2024-11-13 13:43:56,688 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:56" (1/1) ... [2024-11-13 13:43:56,706 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:56" (1/1) ... [2024-11-13 13:43:56,718 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:56" (1/1) ... [2024-11-13 13:43:56,721 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:56" (1/1) ... [2024-11-13 13:43:56,726 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:56" (1/1) ... [2024-11-13 13:43:56,729 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:43:56,738 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:43:56,738 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:43:56,738 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:43:56,739 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:56" (1/1) ... [2024-11-13 13:43:56,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:43:56,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:43:56,792 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:43:56,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:43:56,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:43:56,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:43:56,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 13:43:56,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 13:43:56,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 13:43:56,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 13:43:56,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-13 13:43:56,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-13 13:43:56,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-13 13:43:56,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-13 13:43:56,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 13:43:56,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 13:43:56,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 13:43:56,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-13 13:43:56,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-13 13:43:56,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-13 13:43:56,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-13 13:43:56,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-13 13:43:56,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:43:56,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:43:56,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 13:43:56,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 13:43:56,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 13:43:56,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-13 13:43:56,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 13:43:56,980 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:43:56,983 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:43:57,518 INFO L? ?]: Removed 42 outVars from TransFormulas that were not future-live. [2024-11-13 13:43:57,519 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:43:57,532 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:43:57,532 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-13 13:43:57,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:43:57 BoogieIcfgContainer [2024-11-13 13:43:57,533 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:43:57,536 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:43:57,536 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:43:57,542 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:43:57,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:43:56" (1/3) ... [2024-11-13 13:43:57,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ce24c52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:43:57, skipping insertion in model container [2024-11-13 13:43:57,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:56" (2/3) ... [2024-11-13 13:43:57,544 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ce24c52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:43:57, skipping insertion in model container [2024-11-13 13:43:57,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:43:57" (3/3) ... [2024-11-13 13:43:57,545 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1052d.c [2024-11-13 13:43:57,565 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:43:57,567 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_1052d.c that has 1 procedures, 68 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-11-13 13:43:57,650 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:43:57,673 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@621f2272, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:43:57,673 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 13:43:57,678 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 66 states have (on average 1.606060606060606) internal successors, (106), 67 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:57,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 13:43:57,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:43:57,687 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:43:57,688 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:43:57,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:43:57,696 INFO L85 PathProgramCache]: Analyzing trace with hash -622111027, now seen corresponding path program 1 times [2024-11-13 13:43:57,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:43:57,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325584237] [2024-11-13 13:43:57,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:43:57,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:43:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:43:57,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:43:57,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:43:57,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325584237] [2024-11-13 13:43:57,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325584237] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:43:57,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:43:57,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:43:57,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842736054] [2024-11-13 13:43:57,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:43:57,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:43:57,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:43:57,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:43:57,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:43:57,901 INFO L87 Difference]: Start difference. First operand has 68 states, 66 states have (on average 1.606060606060606) internal successors, (106), 67 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:57,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:43:57,932 INFO L93 Difference]: Finished difference Result 134 states and 210 transitions. [2024-11-13 13:43:57,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:43:57,935 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-13 13:43:57,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:43:57,946 INFO L225 Difference]: With dead ends: 134 [2024-11-13 13:43:57,946 INFO L226 Difference]: Without dead ends: 65 [2024-11-13 13:43:57,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:43:57,955 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:43:57,956 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:43:57,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-13 13:43:57,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-11-13 13:43:57,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 64 states have (on average 1.5) internal successors, (96), 64 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:57,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 96 transitions. [2024-11-13 13:43:57,995 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 96 transitions. Word has length 11 [2024-11-13 13:43:57,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:43:57,996 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 96 transitions. [2024-11-13 13:43:58,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:58,001 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 96 transitions. [2024-11-13 13:43:58,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 13:43:58,005 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:43:58,005 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:43:58,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:43:58,006 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:43:58,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:43:58,007 INFO L85 PathProgramCache]: Analyzing trace with hash -2190102, now seen corresponding path program 1 times [2024-11-13 13:43:58,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:43:58,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280034490] [2024-11-13 13:43:58,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:43:58,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:43:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:43:58,090 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:43:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:43:58,186 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:43:58,186 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:43:58,188 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 13:43:58,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:43:58,196 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 13:43:58,231 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:43:58,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:43:58 BoogieIcfgContainer [2024-11-13 13:43:58,238 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:43:58,242 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:43:58,242 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:43:58,243 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:43:58,243 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:43:57" (3/4) ... [2024-11-13 13:43:58,247 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 13:43:58,248 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:43:58,249 INFO L158 Benchmark]: Toolchain (without parser) took 2101.05ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 40.2MB in the end (delta: 61.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 13:43:58,249 INFO L158 Benchmark]: CDTParser took 1.30ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:43:58,250 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.22ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 89.2MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:43:58,250 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.45ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 87.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:43:58,251 INFO L158 Benchmark]: Boogie Preprocessor took 98.64ms. Allocated memory is still 142.6MB. Free memory was 87.6MB in the beginning and 85.3MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:43:58,251 INFO L158 Benchmark]: RCFGBuilder took 795.12ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 64.6MB in the end (delta: 20.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:43:58,252 INFO L158 Benchmark]: TraceAbstraction took 702.94ms. Allocated memory is still 142.6MB. Free memory was 64.0MB in the beginning and 40.5MB in the end (delta: 23.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 13:43:58,252 INFO L158 Benchmark]: Witness Printer took 5.81ms. Allocated memory is still 142.6MB. Free memory was 40.5MB in the beginning and 40.2MB in the end (delta: 304.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:43:58,255 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.30ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.22ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 89.2MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.45ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 87.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 98.64ms. Allocated memory is still 142.6MB. Free memory was 87.6MB in the beginning and 85.3MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 795.12ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 64.6MB in the end (delta: 20.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 702.94ms. Allocated memory is still 142.6MB. Free memory was 64.0MB in the beginning and 40.5MB in the end (delta: 23.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 5.81ms. Allocated memory is still 142.6MB. Free memory was 40.5MB in the beginning and 40.2MB in the end (delta: 304.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 105]: 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 someBinaryArithmeticDOUBLEoperation at line 51, overapproximation of someBinaryDOUBLEComparisonOperation at line 104. Possible FailurePath: [L16] static const double huge_floor = 1.0e300; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L100] double x = 0.0; [L101] CALL, EXPR floor_double(x) [L19] __int32_t i0, i1, j0; [L20] __uint32_t i, j; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0] [L22] ieee_double_shape_type ew_u; [L23] ew_u.value = (x) [L24] EXPR ew_u.parts.msw [L24] (i0) = ew_u.parts.msw [L25] EXPR ew_u.parts.lsw [L25] (i1) = ew_u.parts.lsw [L27] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1048576, i1=0, j0=1024, x=0] [L28] COND FALSE !(j0 < 20) VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1048576, i1=0, j0=1024, x=0] [L49] COND TRUE j0 > 51 VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1048576, i1=0, j0=1024, x=0] [L50] COND TRUE j0 == 0x400 [L51] return x + x; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1048576, i1=0, x=0] [L101] RET, EXPR floor_double(x) [L101] double res = floor_double(x); [L104] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009] [L104] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L104] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L105] reach_error() VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 99 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 99 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 13:43:58,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd --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 5e916ae9c48effac9b6c4a1d1191ee8fa3cb5babfe7e8bb0aead8328ceda8c4a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:44:01,794 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:44:01,918 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 13:44:01,929 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:44:01,932 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:44:01,987 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:44:01,988 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:44:01,988 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:44:01,989 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:44:01,989 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:44:01,990 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:44:01,991 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:44:01,991 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:44:01,991 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:44:01,992 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:44:01,992 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:44:01,992 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:44:01,993 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:44:01,993 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:44:01,993 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:44:01,993 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:44:01,993 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:44:01,993 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:44:01,994 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 13:44:01,994 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 13:44:01,994 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:44:01,994 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 13:44:01,994 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:44:01,994 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:44:01,995 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:44:01,995 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:44:01,995 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:44:01,995 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:44:01,995 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:44:01,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:44:01,996 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:44:01,997 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:44:01,997 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:44:01,997 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 13:44:01,997 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 13:44:01,997 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:44:01,997 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:44:01,998 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:44:01,998 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:44:01,998 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd 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 -> 5e916ae9c48effac9b6c4a1d1191ee8fa3cb5babfe7e8bb0aead8328ceda8c4a [2024-11-13 13:44:02,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:44:02,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:44:02,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:44:02,327 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:44:02,327 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:44:02,329 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c Unable to find full path for "g++" [2024-11-13 13:44:04,674 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:44:05,042 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:44:05,046 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/sv-benchmarks/c/float-newlib/double_req_bl_1052d.c [2024-11-13 13:44:05,058 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/data/7724bdc7a/aad86f9f12df40a2927e0ce60e18f09f/FLAG1da3f1b3d [2024-11-13 13:44:05,086 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/data/7724bdc7a/aad86f9f12df40a2927e0ce60e18f09f [2024-11-13 13:44:05,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:44:05,093 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:44:05,095 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:44:05,095 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:44:05,101 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:44:05,103 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:44:05" (1/1) ... [2024-11-13 13:44:05,107 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af31f0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:44:05, skipping insertion in model container [2024-11-13 13:44:05,108 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:44:05" (1/1) ... [2024-11-13 13:44:05,132 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:44:05,399 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/sv-benchmarks/c/float-newlib/double_req_bl_1052d.c[2259,2272] [2024-11-13 13:44:05,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:44:05,432 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:44:05,469 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/sv-benchmarks/c/float-newlib/double_req_bl_1052d.c[2259,2272] [2024-11-13 13:44:05,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:44:05,494 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:44:05,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:44:05 WrapperNode [2024-11-13 13:44:05,495 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:44:05,496 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:44:05,496 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:44:05,496 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:44:05,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:44:05" (1/1) ... [2024-11-13 13:44:05,517 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:44:05" (1/1) ... [2024-11-13 13:44:05,542 INFO L138 Inliner]: procedures = 19, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 116 [2024-11-13 13:44:05,543 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:44:05,543 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:44:05,544 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:44:05,544 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:44:05,555 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:44:05" (1/1) ... [2024-11-13 13:44:05,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:44:05" (1/1) ... [2024-11-13 13:44:05,560 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:44:05" (1/1) ... [2024-11-13 13:44:05,579 INFO L175 MemorySlicer]: Split 10 memory accesses to 4 slices as follows [2, 3, 2, 3]. 30 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 4 writes are split as follows [0, 2, 1, 1]. [2024-11-13 13:44:05,579 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:44:05" (1/1) ... [2024-11-13 13:44:05,579 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:44:05" (1/1) ... [2024-11-13 13:44:05,605 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:44:05" (1/1) ... [2024-11-13 13:44:05,615 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:44:05" (1/1) ... [2024-11-13 13:44:05,621 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:44:05" (1/1) ... [2024-11-13 13:44:05,623 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:44:05" (1/1) ... [2024-11-13 13:44:05,630 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:44:05,638 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:44:05,638 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:44:05,638 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:44:05,640 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:44:05" (1/1) ... [2024-11-13 13:44:05,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:44:05,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:44:05,696 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:44:05,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:44:05,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:44:05,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-13 13:44:05,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-13 13:44:05,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-13 13:44:05,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-13 13:44:05,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-13 13:44:05,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-13 13:44:05,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-13 13:44:05,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-13 13:44:05,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 13:44:05,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-13 13:44:05,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-13 13:44:05,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-13 13:44:05,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 13:44:05,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-13 13:44:05,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-13 13:44:05,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-13 13:44:05,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-13 13:44:05,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:44:05,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:44:05,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-13 13:44:05,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-13 13:44:05,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-13 13:44:05,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-13 13:44:05,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 13:44:05,882 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:44:05,885 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:44:07,031 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-11-13 13:44:07,031 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:44:07,046 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:44:07,047 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-13 13:44:07,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:44:07 BoogieIcfgContainer [2024-11-13 13:44:07,049 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:44:07,054 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:44:07,055 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:44:07,065 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:44:07,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:44:05" (1/3) ... [2024-11-13 13:44:07,067 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b8fc807 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:44:07, skipping insertion in model container [2024-11-13 13:44:07,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:44:05" (2/3) ... [2024-11-13 13:44:07,067 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b8fc807 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:44:07, skipping insertion in model container [2024-11-13 13:44:07,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:44:07" (3/3) ... [2024-11-13 13:44:07,070 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1052d.c [2024-11-13 13:44:07,093 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:44:07,095 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_1052d.c that has 1 procedures, 38 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-11-13 13:44:07,172 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:44:07,188 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@390dd5a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:44:07,188 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 13:44:07,198 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 36 states have (on average 1.6666666666666667) internal successors, (60), 37 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:44:07,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 13:44:07,209 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:44:07,210 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:44:07,210 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:44:07,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:44:07,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1512462595, now seen corresponding path program 1 times [2024-11-13 13:44:07,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:44:07,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [185850034] [2024-11-13 13:44:07,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:44:07,235 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:44:07,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:44:07,239 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 13:44:07,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-13 13:44:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:07,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 13:44:07,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:44:07,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:44:07,416 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:44:07,417 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:44:07,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [185850034] [2024-11-13 13:44:07,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [185850034] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:44:07,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:44:07,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:44:07,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137802931] [2024-11-13 13:44:07,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:44:07,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:44:07,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:44:07,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:44:07,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:44:07,460 INFO L87 Difference]: Start difference. First operand has 38 states, 36 states have (on average 1.6666666666666667) internal successors, (60), 37 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:44:07,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:44:07,486 INFO L93 Difference]: Finished difference Result 74 states and 118 transitions. [2024-11-13 13:44:07,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:44:07,490 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-13 13:44:07,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:44:07,501 INFO L225 Difference]: With dead ends: 74 [2024-11-13 13:44:07,501 INFO L226 Difference]: Without dead ends: 35 [2024-11-13 13:44:07,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:44:07,510 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:44:07,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:44:07,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-13 13:44:07,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-11-13 13:44:07,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.4705882352941178) internal successors, (50), 34 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:44:07,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 50 transitions. [2024-11-13 13:44:07,564 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 50 transitions. Word has length 11 [2024-11-13 13:44:07,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:44:07,565 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 50 transitions. [2024-11-13 13:44:07,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:44:07,565 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2024-11-13 13:44:07,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 13:44:07,566 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:44:07,566 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:44:07,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 13:44:07,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:44:07,767 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:44:07,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:44:07,768 INFO L85 PathProgramCache]: Analyzing trace with hash 2132383520, now seen corresponding path program 1 times [2024-11-13 13:44:07,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:44:07,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1128165392] [2024-11-13 13:44:07,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:44:07,769 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:44:07,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:44:07,775 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 13:44:07,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-13 13:44:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:07,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 13:44:07,912 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:44:08,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:44:08,243 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:44:08,243 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:44:08,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1128165392] [2024-11-13 13:44:08,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1128165392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:44:08,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:44:08,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:44:08,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354347833] [2024-11-13 13:44:08,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:44:08,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:44:08,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:44:08,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:44:08,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:44:08,247 INFO L87 Difference]: Start difference. First operand 35 states and 50 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:44:08,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:44:08,784 INFO L93 Difference]: Finished difference Result 47 states and 62 transitions. [2024-11-13 13:44:08,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:44:08,786 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-13 13:44:08,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:44:08,787 INFO L225 Difference]: With dead ends: 47 [2024-11-13 13:44:08,787 INFO L226 Difference]: Without dead ends: 21 [2024-11-13 13:44:08,787 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:44:08,788 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 16 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:44:08,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 45 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:44:08,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-11-13 13:44:08,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-11-13 13:44:08,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.1) internal successors, (22), 20 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:44:08,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2024-11-13 13:44:08,797 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 12 [2024-11-13 13:44:08,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:44:08,798 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2024-11-13 13:44:08,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:44:08,798 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2024-11-13 13:44:08,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 13:44:08,799 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:44:08,799 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:44:08,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 13:44:09,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:44:09,002 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:44:09,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:44:09,003 INFO L85 PathProgramCache]: Analyzing trace with hash 332973543, now seen corresponding path program 1 times [2024-11-13 13:44:09,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:44:09,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1375766236] [2024-11-13 13:44:09,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:44:09,004 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:44:09,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:44:09,009 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 13:44:09,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 13:44:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:09,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 13:44:09,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:44:09,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:44:09,427 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:44:09,427 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:44:09,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1375766236] [2024-11-13 13:44:09,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1375766236] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:44:09,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:44:09,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:44:09,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472976097] [2024-11-13 13:44:09,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:44:09,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:44:09,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:44:09,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:44:09,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:44:09,430 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:44:09,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:44:09,549 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2024-11-13 13:44:09,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:44:09,550 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-13 13:44:09,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:44:09,551 INFO L225 Difference]: With dead ends: 33 [2024-11-13 13:44:09,551 INFO L226 Difference]: Without dead ends: 21 [2024-11-13 13:44:09,551 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:44:09,552 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 16 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:44:09,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 28 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:44:09,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-11-13 13:44:09,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-11-13 13:44:09,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:44:09,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2024-11-13 13:44:09,558 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 15 [2024-11-13 13:44:09,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:44:09,558 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2024-11-13 13:44:09,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:44:09,559 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2024-11-13 13:44:09,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 13:44:09,559 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:44:09,559 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:44:09,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/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)] Forceful destruction successful, exit code 0 [2024-11-13 13:44:09,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:44:09,764 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:44:09,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:44:09,765 INFO L85 PathProgramCache]: Analyzing trace with hash -106166446, now seen corresponding path program 1 times [2024-11-13 13:44:09,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:44:09,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [439893981] [2024-11-13 13:44:09,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:44:09,766 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:44:09,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:44:09,776 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 13:44:09,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 13:44:10,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:10,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 13:44:10,009 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:44:10,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:44:10,156 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:44:10,157 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:44:10,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [439893981] [2024-11-13 13:44:10,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [439893981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:44:10,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:44:10,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 13:44:10,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833543484] [2024-11-13 13:44:10,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:44:10,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:44:10,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:44:10,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:44:10,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:44:10,164 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:44:10,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:44:10,438 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2024-11-13 13:44:10,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:44:10,440 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-13 13:44:10,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:44:10,441 INFO L225 Difference]: With dead ends: 24 [2024-11-13 13:44:10,441 INFO L226 Difference]: Without dead ends: 21 [2024-11-13 13:44:10,441 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:44:10,445 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 15 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:44:10,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 46 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:44:10,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-11-13 13:44:10,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-11-13 13:44:10,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.0) internal successors, (20), 20 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:44:10,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2024-11-13 13:44:10,455 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 16 [2024-11-13 13:44:10,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:44:10,456 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2024-11-13 13:44:10,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:44:10,459 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2024-11-13 13:44:10,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 13:44:10,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:44:10,459 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:44:10,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/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)] Forceful destruction successful, exit code 0 [2024-11-13 13:44:10,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:44:10,660 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:44:10,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:44:10,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1083813831, now seen corresponding path program 1 times [2024-11-13 13:44:10,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:44:10,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [244605468] [2024-11-13 13:44:10,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:44:10,662 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:44:10,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:44:10,665 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 13:44:10,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 13:44:10,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:10,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 13:44:10,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:44:11,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:44:11,553 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:44:11,553 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:44:11,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [244605468] [2024-11-13 13:44:11,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [244605468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:44:11,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:44:11,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 13:44:11,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140310200] [2024-11-13 13:44:11,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:44:11,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:44:11,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:44:11,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:44:11,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:44:11,555 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:44:12,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:44:12,418 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2024-11-13 13:44:12,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 13:44:12,422 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-13 13:44:12,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:44:12,423 INFO L225 Difference]: With dead ends: 21 [2024-11-13 13:44:12,423 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 13:44:12,423 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-11-13 13:44:12,424 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 18 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:44:12,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 48 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 13:44:12,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 13:44:12,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 13:44:12,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:44:12,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 13:44:12,430 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2024-11-13 13:44:12,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:44:12,430 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 13:44:12,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:44:12,430 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 13:44:12,431 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 13:44:12,436 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 13:44:12,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 13:44:12,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:44:12,644 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-13 13:44:12,647 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 13:44:12,855 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:44:12,874 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-13 13:44:12,875 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-13 13:44:12,876 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-13 13:44:12,877 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-13 13:44:12,880 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-13 13:44:12,883 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 13:44:12,883 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-13 13:44:12,883 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-13 13:44:12,884 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-13 13:44:12,884 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-13 13:44:12,884 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-13 13:44:12,884 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-13 13:44:12,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:44:12 BoogieIcfgContainer [2024-11-13 13:44:12,886 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:44:12,887 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:44:12,887 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:44:12,887 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:44:12,888 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:44:07" (3/4) ... [2024-11-13 13:44:12,891 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 13:44:12,906 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-13 13:44:12,906 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-13 13:44:12,907 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 13:44:12,907 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 13:44:13,015 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 13:44:13,015 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 13:44:13,015 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:44:13,016 INFO L158 Benchmark]: Toolchain (without parser) took 7925.36ms. Allocated memory is still 117.4MB. Free memory was 95.1MB in the beginning and 62.6MB in the end (delta: 32.5MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2024-11-13 13:44:13,017 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 49.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:44:13,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.24ms. Allocated memory is still 117.4MB. Free memory was 95.0MB in the beginning and 82.4MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:44:13,018 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.70ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 80.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:44:13,018 INFO L158 Benchmark]: Boogie Preprocessor took 89.06ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 78.5MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:44:13,019 INFO L158 Benchmark]: RCFGBuilder took 1410.91ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 62.4MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:44:13,019 INFO L158 Benchmark]: TraceAbstraction took 5831.31ms. Allocated memory is still 117.4MB. Free memory was 61.8MB in the beginning and 68.0MB in the end (delta: -6.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:44:13,019 INFO L158 Benchmark]: Witness Printer took 128.84ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 62.6MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:44:13,022 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 49.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.24ms. Allocated memory is still 117.4MB. Free memory was 95.0MB in the beginning and 82.4MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.70ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 80.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 89.06ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 78.5MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1410.91ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 62.4MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5831.31ms. Allocated memory is still 117.4MB. Free memory was 61.8MB in the beginning and 68.0MB in the end (delta: -6.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 128.84ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 62.6MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 105]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 65 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65 mSDsluCounter, 220 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 115 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 143 IncrementalHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 105 mSDtfsCounter, 143 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 69 ConstructedInterpolants, 11 QuantifiedInterpolants, 392 SizeOfPredicates, 16 NumberOfNonLiveVariables, 262 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: ((0 == i1) && (0 == i0)) RESULT: Ultimate proved your program to be correct! [2024-11-13 13:44:13,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c470b6-c924-4d7f-8326-31752c15f94f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE