./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0683a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0683a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ded13d718947e0cef3a9581cc7bfa480a12833eb2a7beb86b46438a532a4bf69 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:48:49,644 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:48:49,737 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:48:49,742 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:48:49,743 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:48:49,782 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:48:49,783 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:48:49,784 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:48:49,785 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:48:49,786 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:48:49,787 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:48:49,787 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:48:49,788 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:48:49,788 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:48:49,788 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:48:49,791 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:48:49,792 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:48:49,792 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:48:49,792 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:48:49,793 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:48:49,793 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:48:49,795 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:48:49,796 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:48:49,798 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:48:49,799 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:48:49,799 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:48:49,799 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:48:49,800 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:48:49,800 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:48:49,800 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:48:49,802 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:48:49,803 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:48:49,803 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:48:49,803 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:48:49,803 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:48:49,804 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:48:49,804 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:48:49,804 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:48:49,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:48:49,805 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:48:49,805 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:48:49,807 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:48:49,807 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:48:49,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:48:49,808 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:48:49,808 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:48:49,809 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:48:49,809 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ded13d718947e0cef3a9581cc7bfa480a12833eb2a7beb86b46438a532a4bf69 [2024-11-09 05:48:50,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:48:50,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:48:50,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:48:50,086 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:48:50,086 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:48:50,088 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/float-newlib/double_req_bl_0683a.c Unable to find full path for "g++" [2024-11-09 05:48:52,039 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:48:52,307 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:48:52,309 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/sv-benchmarks/c/float-newlib/double_req_bl_0683a.c [2024-11-09 05:48:52,321 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/data/ae7f9d20a/d0c41047d94145cb9b46b72319bc5fc1/FLAGf7f60484d [2024-11-09 05:48:52,638 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/data/ae7f9d20a/d0c41047d94145cb9b46b72319bc5fc1 [2024-11-09 05:48:52,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:48:52,648 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:48:52,651 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:48:52,652 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:48:52,659 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:48:52,660 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:48:52" (1/1) ... [2024-11-09 05:48:52,661 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c30c9ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:52, skipping insertion in model container [2024-11-09 05:48:52,668 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:48:52" (1/1) ... [2024-11-09 05:48:52,700 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:48:53,000 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_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/sv-benchmarks/c/float-newlib/double_req_bl_0683a.c[7147,7160] [2024-11-09 05:48:53,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:48:53,034 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:48:53,143 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_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/sv-benchmarks/c/float-newlib/double_req_bl_0683a.c[7147,7160] [2024-11-09 05:48:53,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:48:53,174 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:48:53,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:53 WrapperNode [2024-11-09 05:48:53,175 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:48:53,176 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:48:53,176 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:48:53,177 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:48:53,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:53" (1/1) ... [2024-11-09 05:48:53,207 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:53" (1/1) ... [2024-11-09 05:48:53,266 INFO L138 Inliner]: procedures = 23, calls = 103, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 407 [2024-11-09 05:48:53,270 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:48:53,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:48:53,272 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:48:53,272 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:48:53,283 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:53" (1/1) ... [2024-11-09 05:48:53,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:53" (1/1) ... [2024-11-09 05:48:53,293 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:53" (1/1) ... [2024-11-09 05:48:53,296 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:53" (1/1) ... [2024-11-09 05:48:53,320 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:53" (1/1) ... [2024-11-09 05:48:53,332 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:53" (1/1) ... [2024-11-09 05:48:53,338 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:53" (1/1) ... [2024-11-09 05:48:53,345 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:53" (1/1) ... [2024-11-09 05:48:53,352 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:48:53,357 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:48:53,357 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:48:53,357 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:48:53,358 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:53" (1/1) ... [2024-11-09 05:48:53,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:48:53,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:48:53,396 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:48:53,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:48:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:48:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:48:53,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-09 05:48:53,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 05:48:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-09 05:48:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 05:48:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-11-09 05:48:53,442 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-11-09 05:48:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-09 05:48:53,443 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-11-09 05:48:53,443 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-11-09 05:48:53,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:48:53,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:48:53,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 05:48:53,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-09 05:48:53,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 05:48:53,568 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:48:53,571 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:48:54,505 INFO L? ?]: Removed 104 outVars from TransFormulas that were not future-live. [2024-11-09 05:48:54,505 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:48:54,856 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:48:54,858 INFO L316 CfgBuilder]: Removed 22 assume(true) statements. [2024-11-09 05:48:54,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:48:54 BoogieIcfgContainer [2024-11-09 05:48:54,860 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:48:54,862 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:48:54,864 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:48:54,868 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:48:54,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:48:52" (1/3) ... [2024-11-09 05:48:54,870 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62bfffc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:48:54, skipping insertion in model container [2024-11-09 05:48:54,870 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:53" (2/3) ... [2024-11-09 05:48:54,870 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62bfffc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:48:54, skipping insertion in model container [2024-11-09 05:48:54,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:48:54" (3/3) ... [2024-11-09 05:48:54,872 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0683a.c [2024-11-09 05:48:54,893 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:48:54,894 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:48:54,996 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:48:55,006 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=FINITE_AUTOMATA, 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;@2df5a3fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:48:55,006 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:48:55,012 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 76 states have (on average 1.6973684210526316) internal successors, (129), 77 states have internal predecessors, (129), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 05:48:55,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 05:48:55,022 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:55,023 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:55,024 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:48:55,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:55,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1772484145, now seen corresponding path program 1 times [2024-11-09 05:48:55,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:55,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411993464] [2024-11-09 05:48:55,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:55,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:55,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:55,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:55,425 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:55,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411993464] [2024-11-09 05:48:55,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411993464] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:55,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:55,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:48:55,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107626977] [2024-11-09 05:48:55,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:55,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:48:55,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:55,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:48:55,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:48:55,468 INFO L87 Difference]: Start difference. First operand has 84 states, 76 states have (on average 1.6973684210526316) internal successors, (129), 77 states have internal predecessors, (129), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2024-11-09 05:48:55,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:55,610 INFO L93 Difference]: Finished difference Result 167 states and 277 transitions. [2024-11-09 05:48:55,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:48:55,614 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 14 [2024-11-09 05:48:55,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:55,623 INFO L225 Difference]: With dead ends: 167 [2024-11-09 05:48:55,623 INFO L226 Difference]: Without dead ends: 81 [2024-11-09 05:48:55,628 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 [2024-11-09 05:48:55,634 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:55,635 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 96 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:48:55,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-09 05:48:55,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-11-09 05:48:55,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 74 states have internal predecessors, (102), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 05:48:55,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 110 transitions. [2024-11-09 05:48:55,691 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 110 transitions. Word has length 14 [2024-11-09 05:48:55,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:55,691 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 110 transitions. [2024-11-09 05:48:55,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2024-11-09 05:48:55,692 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 110 transitions. [2024-11-09 05:48:55,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 05:48:55,694 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:55,695 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:55,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:48:55,695 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:48:55,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:55,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1582294625, now seen corresponding path program 1 times [2024-11-09 05:48:55,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:55,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368012827] [2024-11-09 05:48:55,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:55,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:55,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:55,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:55,944 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:55,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368012827] [2024-11-09 05:48:55,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368012827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:55,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:55,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:48:55,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982499849] [2024-11-09 05:48:55,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:55,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:48:55,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:55,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:48:55,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:48:55,947 INFO L87 Difference]: Start difference. First operand 81 states and 110 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2024-11-09 05:48:56,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:56,119 INFO L93 Difference]: Finished difference Result 154 states and 211 transitions. [2024-11-09 05:48:56,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:48:56,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 17 [2024-11-09 05:48:56,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:56,121 INFO L225 Difference]: With dead ends: 154 [2024-11-09 05:48:56,121 INFO L226 Difference]: Without dead ends: 81 [2024-11-09 05:48:56,122 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:48:56,123 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:56,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 183 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:48:56,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-09 05:48:56,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-11-09 05:48:56,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 74 states have (on average 1.364864864864865) internal successors, (101), 74 states have internal predecessors, (101), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 05:48:56,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 109 transitions. [2024-11-09 05:48:56,132 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 109 transitions. Word has length 17 [2024-11-09 05:48:56,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:56,133 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 109 transitions. [2024-11-09 05:48:56,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2024-11-09 05:48:56,133 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2024-11-09 05:48:56,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 05:48:56,134 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:56,134 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] [2024-11-09 05:48:56,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:48:56,134 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:48:56,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:56,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1205619679, now seen corresponding path program 1 times [2024-11-09 05:48:56,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:56,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52192546] [2024-11-09 05:48:56,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:56,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:56,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:48:56,688 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:48:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:48:56,874 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:48:56,876 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:48:56,877 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:48:56,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:48:56,884 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-09 05:48:56,939 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:48:56,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:48:56 BoogieIcfgContainer [2024-11-09 05:48:56,943 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:48:56,943 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:48:56,944 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:48:56,944 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:48:56,944 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:48:54" (3/4) ... [2024-11-09 05:48:56,947 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:48:56,949 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:48:56,953 INFO L158 Benchmark]: Toolchain (without parser) took 4305.51ms. Allocated memory was 123.7MB in the beginning and 169.9MB in the end (delta: 46.1MB). Free memory was 92.7MB in the beginning and 52.4MB in the end (delta: 40.3MB). Peak memory consumption was 89.2MB. Max. memory is 16.1GB. [2024-11-09 05:48:56,954 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 123.7MB. Free memory is still 71.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:48:56,954 INFO L158 Benchmark]: CACSL2BoogieTranslator took 525.00ms. Allocated memory is still 123.7MB. Free memory was 92.4MB in the beginning and 74.6MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 05:48:56,954 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.55ms. Allocated memory is still 123.7MB. Free memory was 74.6MB in the beginning and 71.4MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:48:56,955 INFO L158 Benchmark]: Boogie Preprocessor took 84.90ms. Allocated memory is still 123.7MB. Free memory was 71.4MB in the beginning and 67.9MB in the end (delta: 3.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 05:48:56,960 INFO L158 Benchmark]: RCFGBuilder took 1502.96ms. Allocated memory was 123.7MB in the beginning and 169.9MB in the end (delta: 46.1MB). Free memory was 67.9MB in the beginning and 136.1MB in the end (delta: -68.2MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2024-11-09 05:48:56,960 INFO L158 Benchmark]: TraceAbstraction took 2080.18ms. Allocated memory is still 169.9MB. Free memory was 135.0MB in the beginning and 52.4MB in the end (delta: 82.6MB). Peak memory consumption was 82.6MB. Max. memory is 16.1GB. [2024-11-09 05:48:56,960 INFO L158 Benchmark]: Witness Printer took 9.03ms. Allocated memory is still 169.9MB. Free memory is still 52.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:48:56,967 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 123.7MB. Free memory is still 71.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 525.00ms. Allocated memory is still 123.7MB. Free memory was 92.4MB in the beginning and 74.6MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.55ms. Allocated memory is still 123.7MB. Free memory was 74.6MB in the beginning and 71.4MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 84.90ms. Allocated memory is still 123.7MB. Free memory was 71.4MB in the beginning and 67.9MB in the end (delta: 3.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1502.96ms. Allocated memory was 123.7MB in the beginning and 169.9MB in the end (delta: 46.1MB). Free memory was 67.9MB in the beginning and 136.1MB in the end (delta: -68.2MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2080.18ms. Allocated memory is still 169.9MB. Free memory was 135.0MB in the beginning and 52.4MB in the end (delta: 82.6MB). Peak memory consumption was 82.6MB. Max. memory is 16.1GB. * Witness Printer took 9.03ms. Allocated memory is still 169.9MB. Free memory is still 52.4MB. 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: 300]: 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 bitwiseOr at line 163, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 299. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; [L291] double x = 1.0 / 0.0; [L292] double y = __VERIFIER_nondet_double(); [L294] CALL, EXPR isinf_double(x) [L248] __int32_t hx, lx; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000022, zero_atan2=0] [L250] ieee_double_shape_type ew_u; [L251] ew_u.value = (x) [L252] EXPR ew_u.parts.msw [L252] (hx) = ew_u.parts.msw [L253] EXPR ew_u.parts.lsw [L253] (lx) = ew_u.parts.lsw [L255] hx &= 0x7fffffff [L256] EXPR lx | (-lx) [L256] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L257] hx = 0x7ff00000 - hx [L258] EXPR hx | (-hx) [L258] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L294] RET, EXPR isinf_double(x) [L294] EXPR isinf_double(x) && isfinite_double(y) [L294] CALL, EXPR isfinite_double(y) [L262] __int32_t hx; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000019, zero_atan2=0] [L264] ieee_double_shape_type gh_u; [L265] gh_u.value = (x) [L266] EXPR gh_u.parts.msw [L266] (hx) = gh_u.parts.msw [L268] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); [L294] RET, EXPR isfinite_double(y) [L294] EXPR isinf_double(x) && isfinite_double(y) VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000022, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000019, zero_atan2=0] [L294] COND TRUE isinf_double(x) && isfinite_double(y) && y < 0.0 [L296] CALL, EXPR __ieee754_atan2(y, x) [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000022, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000019, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1048577, ix=2146435071, lx=0, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000022, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000019, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff [L163] EXPR lx | -lx [L163] EXPR ix | ((lx | -lx) >> 31) [L163-L164] ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L164] EXPR ly | -ly [L164] EXPR iy | ((ly | -ly) >> 31) [L163-L164] ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1048577, hy=2147483647, ix=2146435071, iy=2147483647, lx=0, ly=0, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000022, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000019, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1048577, hy=2147483647, ix=2146435071, iy=2147483647, lx=0, ly=0, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000022, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000019, zero_atan2=0] [L296] RET, EXPR __ieee754_atan2(y, x) [L296] double res = __ieee754_atan2(y, x); [L299] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000016, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L299] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L300] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000016, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 279 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 90 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 54 IncrementalHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 189 mSDtfsCounter, 54 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 30 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 [2024-11-09 05:48:57,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0683a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ded13d718947e0cef3a9581cc7bfa480a12833eb2a7beb86b46438a532a4bf69 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:48:59,473 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:48:59,566 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 05:48:59,573 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:48:59,574 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:48:59,622 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:48:59,623 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:48:59,623 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:48:59,624 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:48:59,626 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:48:59,627 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:48:59,627 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:48:59,628 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:48:59,628 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:48:59,630 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:48:59,631 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:48:59,632 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:48:59,632 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:48:59,632 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:48:59,633 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:48:59,633 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:48:59,638 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:48:59,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:48:59,638 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:48:59,639 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:48:59,639 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:48:59,639 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:48:59,640 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:48:59,640 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:48:59,640 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:48:59,640 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:48:59,641 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:48:59,641 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:48:59,643 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:48:59,643 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:48:59,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:48:59,644 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:48:59,644 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:48:59,645 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:48:59,646 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:48:59,646 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:48:59,647 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:48:59,648 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:48:59,649 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ded13d718947e0cef3a9581cc7bfa480a12833eb2a7beb86b46438a532a4bf69 [2024-11-09 05:49:00,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:49:00,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:49:00,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:49:00,100 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:49:00,102 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:49:00,103 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/float-newlib/double_req_bl_0683a.c Unable to find full path for "g++" [2024-11-09 05:49:02,104 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:49:02,413 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:49:02,413 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/sv-benchmarks/c/float-newlib/double_req_bl_0683a.c [2024-11-09 05:49:02,424 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/data/4fe37f6a1/57c178678e5343faafcd7117b7aa99ac/FLAG72d061a8c [2024-11-09 05:49:02,439 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/data/4fe37f6a1/57c178678e5343faafcd7117b7aa99ac [2024-11-09 05:49:02,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:49:02,444 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:49:02,445 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:49:02,445 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:49:02,451 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:49:02,452 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:49:02" (1/1) ... [2024-11-09 05:49:02,453 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14a26fe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:02, skipping insertion in model container [2024-11-09 05:49:02,454 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:49:02" (1/1) ... [2024-11-09 05:49:02,485 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:49:02,841 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_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/sv-benchmarks/c/float-newlib/double_req_bl_0683a.c[7147,7160] [2024-11-09 05:49:02,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:49:02,875 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:49:02,972 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_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/sv-benchmarks/c/float-newlib/double_req_bl_0683a.c[7147,7160] [2024-11-09 05:49:02,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:49:03,053 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:49:03,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:03 WrapperNode [2024-11-09 05:49:03,058 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:49:03,059 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:49:03,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:49:03,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:49:03,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:03" (1/1) ... [2024-11-09 05:49:03,128 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:03" (1/1) ... [2024-11-09 05:49:03,175 INFO L138 Inliner]: procedures = 26, calls = 103, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 296 [2024-11-09 05:49:03,179 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:49:03,180 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:49:03,180 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:49:03,181 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:49:03,191 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:03" (1/1) ... [2024-11-09 05:49:03,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:03" (1/1) ... [2024-11-09 05:49:03,204 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:03" (1/1) ... [2024-11-09 05:49:03,205 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:03" (1/1) ... [2024-11-09 05:49:03,230 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:03" (1/1) ... [2024-11-09 05:49:03,236 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:03" (1/1) ... [2024-11-09 05:49:03,240 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:03" (1/1) ... [2024-11-09 05:49:03,242 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:03" (1/1) ... [2024-11-09 05:49:03,247 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:49:03,248 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:49:03,248 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:49:03,249 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:49:03,250 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:03" (1/1) ... [2024-11-09 05:49:03,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:49:03,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:49:03,305 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:49:03,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:49:03,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:49:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-09 05:49:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2024-11-09 05:49:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-09 05:49:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 05:49:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 05:49:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-11-09 05:49:03,345 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-11-09 05:49:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2024-11-09 05:49:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-11-09 05:49:03,345 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-11-09 05:49:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 05:49:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:49:03,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:49:03,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 05:49:03,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 05:49:03,503 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:49:03,506 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:49:28,266 INFO L? ?]: Removed 100 outVars from TransFormulas that were not future-live. [2024-11-09 05:49:28,268 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:49:28,289 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:49:28,289 INFO L316 CfgBuilder]: Removed 22 assume(true) statements. [2024-11-09 05:49:28,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:49:28 BoogieIcfgContainer [2024-11-09 05:49:28,290 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:49:28,293 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:49:28,293 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:49:28,298 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:49:28,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:49:02" (1/3) ... [2024-11-09 05:49:28,299 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@161c222f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:49:28, skipping insertion in model container [2024-11-09 05:49:28,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:03" (2/3) ... [2024-11-09 05:49:28,299 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@161c222f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:49:28, skipping insertion in model container [2024-11-09 05:49:28,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:49:28" (3/3) ... [2024-11-09 05:49:28,301 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0683a.c [2024-11-09 05:49:28,313 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:49:28,313 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:49:28,374 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:49:28,382 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=FINITE_AUTOMATA, 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;@64fc8e38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:49:28,382 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:49:28,386 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 94 states have (on average 1.6595744680851063) internal successors, (156), 95 states have internal predecessors, (156), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 05:49:28,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 05:49:28,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:28,392 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:49:28,393 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:49:28,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:28,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1388349245, now seen corresponding path program 1 times [2024-11-09 05:49:28,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:49:28,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [103773416] [2024-11-09 05:49:28,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:28,428 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 [2024-11-09 05:49:28,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:49:28,432 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:49:28,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:49:28,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:28,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 05:49:28,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:49:28,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:49:28,926 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:49:28,927 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:49:28,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [103773416] [2024-11-09 05:49:28,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [103773416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:49:28,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:49:28,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:49:28,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112421512] [2024-11-09 05:49:28,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:49:28,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:49:28,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:49:28,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:49:28,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:49:28,961 INFO L87 Difference]: Start difference. First operand has 102 states, 94 states have (on average 1.6595744680851063) internal successors, (156), 95 states have internal predecessors, (156), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 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) [2024-11-09 05:49:28,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:49:28,998 INFO L93 Difference]: Finished difference Result 202 states and 330 transitions. [2024-11-09 05:49:28,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:49:29,001 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 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 [2024-11-09 05:49:29,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:49:29,011 INFO L225 Difference]: With dead ends: 202 [2024-11-09 05:49:29,012 INFO L226 Difference]: Without dead ends: 98 [2024-11-09 05:49:29,015 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:49:29,018 INFO L432 NwaCegarLoop]: 141 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, 141 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 [2024-11-09 05:49:29,019 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:49:29,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-09 05:49:29,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-09 05:49:29,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 91 states have (on average 1.4065934065934067) internal successors, (128), 91 states have internal predecessors, (128), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 05:49:29,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 136 transitions. [2024-11-09 05:49:29,076 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 136 transitions. Word has length 16 [2024-11-09 05:49:29,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:49:29,076 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 136 transitions. [2024-11-09 05:49:29,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 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) [2024-11-09 05:49:29,077 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 136 transitions. [2024-11-09 05:49:29,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 05:49:29,078 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:29,078 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:49:29,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 05:49:29,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:49:29,279 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:49:29,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:29,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1573214397, now seen corresponding path program 1 times [2024-11-09 05:49:29,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:49:29,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2105427225] [2024-11-09 05:49:29,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:29,282 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 [2024-11-09 05:49:29,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:49:29,285 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:49:29,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:49:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:29,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 05:49:29,784 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:49:29,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:49:29,988 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:49:29,989 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:49:29,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2105427225] [2024-11-09 05:49:29,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2105427225] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:49:29,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:49:29,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:49:29,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276984709] [2024-11-09 05:49:29,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:49:29,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:49:29,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:49:29,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:49:29,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:49:29,993 INFO L87 Difference]: Start difference. First operand 98 states and 136 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2024-11-09 05:49:30,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:49:30,193 INFO L93 Difference]: Finished difference Result 185 states and 260 transitions. [2024-11-09 05:49:30,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:49:30,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 19 [2024-11-09 05:49:30,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:49:30,199 INFO L225 Difference]: With dead ends: 185 [2024-11-09 05:49:30,199 INFO L226 Difference]: Without dead ends: 98 [2024-11-09 05:49:30,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:49:30,202 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 0 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:49:30,202 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 266 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:49:30,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-09 05:49:30,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-09 05:49:30,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 91 states have (on average 1.3956043956043955) internal successors, (127), 91 states have internal predecessors, (127), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 05:49:30,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 135 transitions. [2024-11-09 05:49:30,227 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 135 transitions. Word has length 19 [2024-11-09 05:49:30,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:49:30,228 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 135 transitions. [2024-11-09 05:49:30,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2024-11-09 05:49:30,229 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 135 transitions. [2024-11-09 05:49:30,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 05:49:30,229 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:30,229 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, 1, 1, 1] [2024-11-09 05:49:30,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:49:30,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:49:30,430 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:49:30,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:30,431 INFO L85 PathProgramCache]: Analyzing trace with hash -358972680, now seen corresponding path program 1 times [2024-11-09 05:49:30,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:49:30,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1091141269] [2024-11-09 05:49:30,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:30,432 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 [2024-11-09 05:49:30,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:49:30,436 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:49:30,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:49:31,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:31,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 05:49:31,073 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:49:32,527 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2024-11-09 05:49:38,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 05:49:38,895 INFO L349 Elim1Store]: treesize reduction 14, result has 44.0 percent of original size [2024-11-09 05:49:38,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 42 [2024-11-09 05:49:42,539 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 05:49:42,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 17 [2024-11-09 05:49:48,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:49:48,426 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:49:48,426 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:49:48,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1091141269] [2024-11-09 05:49:48,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1091141269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:49:48,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:49:48,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 05:49:48,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811518916] [2024-11-09 05:49:48,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:49:48,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 05:49:48,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:49:48,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 05:49:48,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=106, Unknown=1, NotChecked=0, Total=132 [2024-11-09 05:49:48,430 INFO L87 Difference]: Start difference. First operand 98 states and 135 transitions. Second operand has 12 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 12 states have internal predecessors, (23), 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) [2024-11-09 05:49:50,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:49:52,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:49:54,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:49:56,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:49:58,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:50:00,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:50:15,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:50:21,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:50:23,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:50:25,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:50:27,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:50:29,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:50:31,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:50:34,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:50:36,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:50:38,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:50:40,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:50:42,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:50:44,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:50:44,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:50:44,534 INFO L93 Difference]: Finished difference Result 108 states and 145 transitions. [2024-11-09 05:50:44,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 05:50:44,591 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 12 states have internal predecessors, (23), 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 23 [2024-11-09 05:50:44,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:50:44,592 INFO L225 Difference]: With dead ends: 108 [2024-11-09 05:50:44,592 INFO L226 Difference]: Without dead ends: 99 [2024-11-09 05:50:44,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 16.2s TimeCoverageRelationStatistics Valid=43, Invalid=196, Unknown=1, NotChecked=0, Total=240 [2024-11-09 05:50:44,594 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 33 mSDsluCounter, 1049 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 1 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 1168 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:50:44,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 1168 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 222 Invalid, 18 Unknown, 0 Unchecked, 49.4s Time] [2024-11-09 05:50:44,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-09 05:50:44,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 98. [2024-11-09 05:50:44,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 91 states have (on average 1.3736263736263736) internal successors, (125), 91 states have internal predecessors, (125), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 05:50:44,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 133 transitions. [2024-11-09 05:50:44,607 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 133 transitions. Word has length 23 [2024-11-09 05:50:44,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:50:44,608 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 133 transitions. [2024-11-09 05:50:44,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 12 states have internal predecessors, (23), 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) [2024-11-09 05:50:44,608 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 133 transitions. [2024-11-09 05:50:44,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 05:50:44,609 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:50:44,609 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:50:44,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:50:44,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:50:44,810 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:50:44,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:50:44,811 INFO L85 PathProgramCache]: Analyzing trace with hash -586994876, now seen corresponding path program 1 times [2024-11-09 05:50:44,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:50:44,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [344316392] [2024-11-09 05:50:44,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:50:44,812 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 [2024-11-09 05:50:44,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:50:44,815 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:50:44,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:50:45,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:50:45,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 05:50:45,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:50:48,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:50:48,178 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:50:48,178 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:50:48,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [344316392] [2024-11-09 05:50:48,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [344316392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:50:48,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:50:48,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 05:50:48,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842131179] [2024-11-09 05:50:48,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:50:48,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 05:50:48,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:50:48,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 05:50:48,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:50:48,181 INFO L87 Difference]: Start difference. First operand 98 states and 133 transitions. Second operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 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) [2024-11-09 05:50:57,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:50:57,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:50:57,606 INFO L93 Difference]: Finished difference Result 176 states and 242 transitions. [2024-11-09 05:50:57,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 05:50:57,607 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 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 28 [2024-11-09 05:50:57,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:50:57,608 INFO L225 Difference]: With dead ends: 176 [2024-11-09 05:50:57,609 INFO L226 Difference]: Without dead ends: 102 [2024-11-09 05:50:57,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-09 05:50:57,610 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 152 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:50:57,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 513 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 76 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2024-11-09 05:50:57,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-09 05:50:57,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 98. [2024-11-09 05:50:57,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 91 states have (on average 1.3516483516483517) internal successors, (123), 91 states have internal predecessors, (123), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 05:50:57,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 131 transitions. [2024-11-09 05:50:57,623 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 131 transitions. Word has length 28 [2024-11-09 05:50:57,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:50:57,624 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 131 transitions. [2024-11-09 05:50:57,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 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) [2024-11-09 05:50:57,624 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 131 transitions. [2024-11-09 05:50:57,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 05:50:57,625 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:50:57,626 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:50:57,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-09 05:50:57,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:50:57,826 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:50:57,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:50:57,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1188012486, now seen corresponding path program 1 times [2024-11-09 05:50:57,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:50:57,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [897688222] [2024-11-09 05:50:57,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:50:57,828 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 [2024-11-09 05:50:57,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:50:57,831 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:50:57,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:50:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:50:58,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 05:50:58,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:51:02,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:51:02,554 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:51:02,554 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:51:02,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [897688222] [2024-11-09 05:51:02,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [897688222] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:51:02,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:51:02,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:51:02,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960823021] [2024-11-09 05:51:02,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:51:02,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:51:02,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:51:02,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:51:02,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2024-11-09 05:51:02,562 INFO L87 Difference]: Start difference. First operand 98 states and 131 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2024-11-09 05:51:04,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:51:08,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:51:10,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:51:13,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:51:13,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:51:13,354 INFO L93 Difference]: Finished difference Result 168 states and 229 transitions. [2024-11-09 05:51:13,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:51:13,356 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 28 [2024-11-09 05:51:13,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:51:13,357 INFO L225 Difference]: With dead ends: 168 [2024-11-09 05:51:13,357 INFO L226 Difference]: Without dead ends: 93 [2024-11-09 05:51:13,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=17, Invalid=24, Unknown=1, NotChecked=0, Total=42 [2024-11-09 05:51:13,359 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 60 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:51:13,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 397 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 4 Unknown, 0 Unchecked, 9.9s Time] [2024-11-09 05:51:13,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-09 05:51:13,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 92. [2024-11-09 05:51:13,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 85 states have (on average 1.3411764705882352) internal successors, (114), 85 states have internal predecessors, (114), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 05:51:13,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 122 transitions. [2024-11-09 05:51:13,370 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 122 transitions. Word has length 28 [2024-11-09 05:51:13,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:51:13,370 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 122 transitions. [2024-11-09 05:51:13,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2024-11-09 05:51:13,371 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 122 transitions. [2024-11-09 05:51:13,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 05:51:13,372 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:51:13,372 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:51:13,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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)] Forceful destruction successful, exit code 0 [2024-11-09 05:51:13,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:51:13,573 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:51:13,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:51:13,573 INFO L85 PathProgramCache]: Analyzing trace with hash -185626168, now seen corresponding path program 1 times [2024-11-09 05:51:13,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:51:13,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [122865694] [2024-11-09 05:51:13,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:51:13,574 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 [2024-11-09 05:51:13,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:51:13,575 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:51:13,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-09 05:51:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:51:14,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 05:51:14,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:51:17,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:51:17,485 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:51:17,485 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:51:17,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [122865694] [2024-11-09 05:51:17,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [122865694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:51:17,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:51:17,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 05:51:17,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879804059] [2024-11-09 05:51:17,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:51:17,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:51:17,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:51:17,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:51:17,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:51:17,487 INFO L87 Difference]: Start difference. First operand 92 states and 122 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 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) [2024-11-09 05:51:19,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:51:19,588 INFO L93 Difference]: Finished difference Result 161 states and 213 transitions. [2024-11-09 05:51:19,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:51:19,590 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 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 28 [2024-11-09 05:51:19,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:51:19,591 INFO L225 Difference]: With dead ends: 161 [2024-11-09 05:51:19,591 INFO L226 Difference]: Without dead ends: 103 [2024-11-09 05:51:19,594 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-09 05:51:19,594 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 137 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:51:19,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 423 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 05:51:19,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-09 05:51:19,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 90. [2024-11-09 05:51:19,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 84 states have (on average 1.3095238095238095) internal successors, (110), 84 states have internal predecessors, (110), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 05:51:19,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 116 transitions. [2024-11-09 05:51:19,609 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 116 transitions. Word has length 28 [2024-11-09 05:51:19,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:51:19,609 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 116 transitions. [2024-11-09 05:51:19,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 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) [2024-11-09 05:51:19,610 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 116 transitions. [2024-11-09 05:51:19,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 05:51:19,611 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:51:19,611 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:51:19,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-11-09 05:51:19,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:51:19,812 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:51:19,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:51:19,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1278003363, now seen corresponding path program 1 times [2024-11-09 05:51:19,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:51:19,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [493269228] [2024-11-09 05:51:19,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:51:19,813 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 [2024-11-09 05:51:19,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:51:19,814 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:51:19,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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 (8)] Waiting until timeout for monitored process [2024-11-09 05:51:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:51:20,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 05:51:20,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:51:24,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:51:24,227 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:51:24,227 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:51:24,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [493269228] [2024-11-09 05:51:24,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [493269228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:51:24,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:51:24,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 05:51:24,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707251828] [2024-11-09 05:51:24,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:51:24,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 05:51:24,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:51:24,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 05:51:24,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:51:24,229 INFO L87 Difference]: Start difference. First operand 90 states and 116 transitions. Second operand has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 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) [2024-11-09 05:51:30,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:51:32,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:51:33,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:51:33,001 INFO L93 Difference]: Finished difference Result 101 states and 127 transitions. [2024-11-09 05:51:33,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 05:51:33,003 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 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 29 [2024-11-09 05:51:33,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:51:33,004 INFO L225 Difference]: With dead ends: 101 [2024-11-09 05:51:33,011 INFO L226 Difference]: Without dead ends: 92 [2024-11-09 05:51:33,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-09 05:51:33,013 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 107 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:51:33,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 480 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 53 Invalid, 2 Unknown, 0 Unchecked, 6.8s Time] [2024-11-09 05:51:33,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-09 05:51:33,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 90. [2024-11-09 05:51:33,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 84 states have (on average 1.2857142857142858) internal successors, (108), 84 states have internal predecessors, (108), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 05:51:33,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 114 transitions. [2024-11-09 05:51:33,026 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 114 transitions. Word has length 29 [2024-11-09 05:51:33,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:51:33,026 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 114 transitions. [2024-11-09 05:51:33,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 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) [2024-11-09 05:51:33,026 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 114 transitions. [2024-11-09 05:51:33,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 05:51:33,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:51:33,030 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:51:33,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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 (8)] Ended with exit code 0 [2024-11-09 05:51:33,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:51:33,231 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:51:33,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:51:33,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1987267491, now seen corresponding path program 1 times [2024-11-09 05:51:33,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:51:33,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1934916479] [2024-11-09 05:51:33,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:51:33,232 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 [2024-11-09 05:51:33,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:51:33,235 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:51:33,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-09 05:51:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:51:33,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 05:51:33,714 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:51:48,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:51:48,166 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:51:48,167 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:51:48,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1934916479] [2024-11-09 05:51:48,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1934916479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:51:48,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:51:48,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 05:51:48,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215990786] [2024-11-09 05:51:48,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:51:48,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 05:51:48,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:51:48,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 05:51:48,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=55, Unknown=2, NotChecked=0, Total=72 [2024-11-09 05:51:48,169 INFO L87 Difference]: Start difference. First operand 90 states and 114 transitions. Second operand has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 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) [2024-11-09 05:51:52,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:51:53,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:51:55,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:51:59,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:52:00,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:52:02,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:52:04,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:52:09,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:52:12,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:52:12,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:52:12,746 INFO L93 Difference]: Finished difference Result 147 states and 188 transitions. [2024-11-09 05:52:12,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 05:52:12,748 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 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 29 [2024-11-09 05:52:12,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:52:12,749 INFO L225 Difference]: With dead ends: 147 [2024-11-09 05:52:12,750 INFO L226 Difference]: Without dead ends: 86 [2024-11-09 05:52:12,750 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 14.9s TimeCoverageRelationStatistics Valid=33, Invalid=121, Unknown=2, NotChecked=0, Total=156 [2024-11-09 05:52:12,751 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 81 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 5 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:52:12,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 648 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 68 Invalid, 7 Unknown, 0 Unchecked, 20.3s Time] [2024-11-09 05:52:12,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-09 05:52:12,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 85. [2024-11-09 05:52:12,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 79 states have internal predecessors, (97), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 05:52:12,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 103 transitions. [2024-11-09 05:52:12,763 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 103 transitions. Word has length 29 [2024-11-09 05:52:12,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:52:12,763 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 103 transitions. [2024-11-09 05:52:12,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 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) [2024-11-09 05:52:12,764 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 103 transitions. [2024-11-09 05:52:12,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 05:52:12,765 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:52:12,765 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:52:12,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-09 05:52:12,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:52:12,966 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:52:12,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:52:12,966 INFO L85 PathProgramCache]: Analyzing trace with hash -984285598, now seen corresponding path program 1 times [2024-11-09 05:52:12,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:52:12,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2063631846] [2024-11-09 05:52:12,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:52:12,967 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 [2024-11-09 05:52:12,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:52:12,968 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:52:12,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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 (10)] Waiting until timeout for monitored process [2024-11-09 05:52:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:52:13,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:52:13,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:52:15,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:52:15,776 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:52:15,776 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:52:15,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2063631846] [2024-11-09 05:52:15,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2063631846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:52:15,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:52:15,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:52:15,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158390106] [2024-11-09 05:52:15,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:52:15,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:52:15,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:52:15,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:52:15,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:52:15,778 INFO L87 Difference]: Start difference. First operand 85 states and 103 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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) [2024-11-09 05:52:18,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:52:18,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:52:18,810 INFO L93 Difference]: Finished difference Result 90 states and 108 transitions. [2024-11-09 05:52:18,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:52:18,811 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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 30 [2024-11-09 05:52:18,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:52:18,812 INFO L225 Difference]: With dead ends: 90 [2024-11-09 05:52:18,812 INFO L226 Difference]: Without dead ends: 87 [2024-11-09 05:52:18,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:52:18,813 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 80 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:52:18,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 290 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-09 05:52:18,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-09 05:52:18,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-11-09 05:52:18,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 81 states have (on average 1.2222222222222223) internal successors, (99), 81 states have internal predecessors, (99), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 05:52:18,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 105 transitions. [2024-11-09 05:52:18,823 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 105 transitions. Word has length 30 [2024-11-09 05:52:18,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:52:18,824 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 105 transitions. [2024-11-09 05:52:18,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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) [2024-11-09 05:52:18,824 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 105 transitions. [2024-11-09 05:52:18,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 05:52:18,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:52:18,825 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:52:18,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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 (10)] Ended with exit code 0 [2024-11-09 05:52:19,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:52:19,026 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:52:19,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:52:19,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1521657881, now seen corresponding path program 1 times [2024-11-09 05:52:19,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:52:19,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1962080128] [2024-11-09 05:52:19,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:52:19,027 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 [2024-11-09 05:52:19,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:52:19,028 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:52:19,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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 (11)] Waiting until timeout for monitored process [2024-11-09 05:52:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:52:19,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 05:52:19,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:52:25,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:52:25,029 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:52:25,029 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:52:25,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1962080128] [2024-11-09 05:52:25,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1962080128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:52:25,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:52:25,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 05:52:25,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121907925] [2024-11-09 05:52:25,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:52:25,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 05:52:25,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:52:25,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 05:52:25,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-09 05:52:25,031 INFO L87 Difference]: Start difference. First operand 87 states and 105 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 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) [2024-11-09 05:52:28,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:52:28,606 INFO L93 Difference]: Finished difference Result 94 states and 111 transitions. [2024-11-09 05:52:28,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 05:52:28,608 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 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 32 [2024-11-09 05:52:28,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:52:28,608 INFO L225 Difference]: With dead ends: 94 [2024-11-09 05:52:28,608 INFO L226 Difference]: Without dead ends: 35 [2024-11-09 05:52:28,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-09 05:52:28,609 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 23 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:52:28,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 155 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:52:28,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-09 05:52:28,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-11-09 05:52:28,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.0) internal successors, (34), 34 states have internal predecessors, (34), 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) [2024-11-09 05:52:28,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 34 transitions. [2024-11-09 05:52:28,614 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 34 transitions. Word has length 32 [2024-11-09 05:52:28,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:52:28,614 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 34 transitions. [2024-11-09 05:52:28,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 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) [2024-11-09 05:52:28,614 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 34 transitions. [2024-11-09 05:52:28,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 05:52:28,615 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:52:28,615 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:52:28,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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 (11)] Forceful destruction successful, exit code 0 [2024-11-09 05:52:28,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:52:28,816 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:52:28,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:52:28,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1841826345, now seen corresponding path program 1 times [2024-11-09 05:52:28,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:52:28,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [707971174] [2024-11-09 05:52:28,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:52:28,817 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 [2024-11-09 05:52:28,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:52:28,818 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:52:28,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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 (12)] Waiting until timeout for monitored process [2024-11-09 05:52:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:52:29,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 05:52:29,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:52:33,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:52:33,835 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:52:33,836 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:52:33,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [707971174] [2024-11-09 05:52:33,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [707971174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:52:33,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:52:33,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 05:52:33,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434115030] [2024-11-09 05:52:33,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:52:33,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 05:52:33,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:52:33,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 05:52:33,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 05:52:33,838 INFO L87 Difference]: Start difference. First operand 35 states and 34 transitions. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 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) [2024-11-09 05:52:37,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:52:37,324 INFO L93 Difference]: Finished difference Result 35 states and 34 transitions. [2024-11-09 05:52:37,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 05:52:37,325 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 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 34 [2024-11-09 05:52:37,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:52:37,325 INFO L225 Difference]: With dead ends: 35 [2024-11-09 05:52:37,325 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 05:52:37,326 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-11-09 05:52:37,326 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 10 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:52:37,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 177 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 05:52:37,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 05:52:37,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 05:52:37,327 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) [2024-11-09 05:52:37,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 05:52:37,328 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2024-11-09 05:52:37,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:52:37,328 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 05:52:37,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 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) [2024-11-09 05:52:37,329 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 05:52:37,329 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 05:52:37,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:52:37,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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 (12)] Forceful destruction successful, exit code 0 [2024-11-09 05:52:37,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:52:37,535 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:52:37,537 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 05:52:40,727 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:52:40,750 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function fabs_double [2024-11-09 05:52:40,751 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function fabs_double [2024-11-09 05:52:40,751 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function fabs_double [2024-11-09 05:52:40,755 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function atan_double [2024-11-09 05:52:40,755 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function atan_double [2024-11-09 05:52:40,756 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function atan_double [2024-11-09 05:52:40,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:52:40 BoogieIcfgContainer [2024-11-09 05:52:40,757 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:52:40,757 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:52:40,757 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:52:40,758 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:52:40,758 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:49:28" (3/4) ... [2024-11-09 05:52:40,765 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 05:52:40,770 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2024-11-09 05:52:40,770 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_double [2024-11-09 05:52:40,783 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2024-11-09 05:52:40,783 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-09 05:52:40,784 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 05:52:40,784 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 05:52:40,932 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 05:52:40,933 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 05:52:40,933 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:52:40,934 INFO L158 Benchmark]: Toolchain (without parser) took 218490.04ms. Allocated memory is still 81.8MB. Free memory was 56.7MB in the beginning and 48.9MB in the end (delta: 7.7MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2024-11-09 05:52:40,934 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 60.8MB. Free memory was 36.6MB in the beginning and 36.5MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:52:40,935 INFO L158 Benchmark]: CACSL2BoogieTranslator took 612.89ms. Allocated memory is still 81.8MB. Free memory was 56.4MB in the beginning and 58.9MB in the end (delta: -2.4MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2024-11-09 05:52:40,936 INFO L158 Benchmark]: Boogie Procedure Inliner took 121.05ms. Allocated memory is still 81.8MB. Free memory was 58.5MB in the beginning and 56.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:52:40,936 INFO L158 Benchmark]: Boogie Preprocessor took 67.37ms. Allocated memory is still 81.8MB. Free memory was 56.0MB in the beginning and 52.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:52:40,937 INFO L158 Benchmark]: RCFGBuilder took 25042.16ms. Allocated memory is still 81.8MB. Free memory was 52.6MB in the beginning and 37.6MB in the end (delta: 14.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-09 05:52:40,937 INFO L158 Benchmark]: TraceAbstraction took 192463.52ms. Allocated memory is still 81.8MB. Free memory was 36.8MB in the beginning and 22.0MB in the end (delta: 14.8MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2024-11-09 05:52:40,938 INFO L158 Benchmark]: Witness Printer took 175.69ms. Allocated memory is still 81.8MB. Free memory was 22.0MB in the beginning and 48.9MB in the end (delta: -26.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:52:40,940 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 60.8MB. Free memory was 36.6MB in the beginning and 36.5MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 612.89ms. Allocated memory is still 81.8MB. Free memory was 56.4MB in the beginning and 58.9MB in the end (delta: -2.4MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 121.05ms. Allocated memory is still 81.8MB. Free memory was 58.5MB in the beginning and 56.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.37ms. Allocated memory is still 81.8MB. Free memory was 56.0MB in the beginning and 52.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 25042.16ms. Allocated memory is still 81.8MB. Free memory was 52.6MB in the beginning and 37.6MB in the end (delta: 14.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 192463.52ms. Allocated memory is still 81.8MB. Free memory was 36.8MB in the beginning and 22.0MB in the end (delta: 14.8MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * Witness Printer took 175.69ms. Allocated memory is still 81.8MB. Free memory was 22.0MB in the beginning and 48.9MB in the end (delta: -26.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function fabs_double - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function fabs_double - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function fabs_double - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function atan_double - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function atan_double - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function atan_double * 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: 300]: 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 3 procedures, 102 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 189.2s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 122.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 32 mSolverCounterUnknown, 687 SdHoareTripleChecker+Valid, 99.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 683 mSDsluCounter, 4658 SdHoareTripleChecker+Invalid, 98.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3581 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 557 IncrementalHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 1077 mSDtfsCounter, 557 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 318 GetRequests, 233 SyntacticMatches, 1 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 55.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=102occurred in iteration=0, InterpolantAutomatonStates: 74, 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, 11 MinimizatonAttempts, 22 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.7s SatisfiabilityAnalysisTime, 59.4s InterpolantComputationTime, 296 NumberOfCodeBlocks, 296 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 285 ConstructedInterpolants, 97 QuantifiedInterpolants, 2768 SizeOfPredicates, 46 NumberOfNonLiveVariables, 2206 ConjunctsInSsa, 128 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 - ProcedureContractResult [Line: 19]: Procedure Contract for fabs_double Derived contract for procedure fabs_double. Requires: 0 Ensures: (0 && ((((((((one_atan == \old(one_atan)) && (pi_o_4 == \old(pi_o_4))) && (pi_o_2 == \old(pi_o_2))) && (pi == \old(pi))) && (huge_atan == \old(huge_atan))) && (tiny_atan2 == \old(tiny_atan2))) && (zero_atan2 == \old(zero_atan2))) && (pi_lo_atan2 == \old(pi_lo_atan2)))) - ProcedureContractResult [Line: 66]: Procedure Contract for atan_double Derived contract for procedure atan_double. Requires: 0 Ensures: (0 && ((((((((one_atan == \old(one_atan)) && (pi_o_4 == \old(pi_o_4))) && (pi_o_2 == \old(pi_o_2))) && (pi == \old(pi))) && (huge_atan == \old(huge_atan))) && (tiny_atan2 == \old(tiny_atan2))) && (zero_atan2 == \old(zero_atan2))) && (pi_lo_atan2 == \old(pi_lo_atan2)))) RESULT: Ultimate proved your program to be correct! [2024-11-09 05:52:41,160 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2024-11-09 05:52:41,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed0b5e1-fbc8-4673-81c7-b6abe7e91287/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE