./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-21.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash abb22874cc515e6597c493938d8a3907b8ef4cc1e14b264963b72f5eff3fe5c3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:59:32,180 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:59:32,260 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 18:59:32,265 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:59:32,265 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:59:32,289 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:59:32,290 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:59:32,290 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:59:32,291 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:59:32,291 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:59:32,292 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:59:32,292 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:59:32,293 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:59:32,293 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:59:32,296 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:59:32,296 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:59:32,299 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:59:32,300 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:59:32,300 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:59:32,300 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:59:32,301 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:59:32,305 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:59:32,305 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:59:32,306 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:59:32,306 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:59:32,306 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:59:32,307 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:59:32,307 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:59:32,307 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:59:32,308 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:59:32,309 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:59:32,309 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:59:32,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:59:32,310 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:59:32,311 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:59:32,311 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:59:32,311 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:59:32,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:59:32,312 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:59:32,312 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:59:32,312 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:59:32,313 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:59:32,313 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abb22874cc515e6597c493938d8a3907b8ef4cc1e14b264963b72f5eff3fe5c3 [2024-11-08 18:59:32,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:59:32,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:59:32,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:59:32,626 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:59:32,626 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:59:32,628 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-21.i Unable to find full path for "g++" [2024-11-08 18:59:34,656 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:59:34,913 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:59:34,917 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-21.i [2024-11-08 18:59:34,931 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/data/0b1015e27/d35cb9c8d01242b798524c5771389635/FLAG7abf9d9f6 [2024-11-08 18:59:34,947 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/data/0b1015e27/d35cb9c8d01242b798524c5771389635 [2024-11-08 18:59:34,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:59:34,952 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:59:34,954 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:59:34,954 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:59:34,962 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:59:34,963 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:59:34" (1/1) ... [2024-11-08 18:59:34,967 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24368ab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:59:34, skipping insertion in model container [2024-11-08 18:59:34,967 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:59:34" (1/1) ... [2024-11-08 18:59:35,002 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:59:35,207 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_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-21.i[917,930] [2024-11-08 18:59:35,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:59:35,278 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:59:35,291 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_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-21.i[917,930] [2024-11-08 18:59:35,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:59:35,358 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:59:35,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:59:35 WrapperNode [2024-11-08 18:59:35,358 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:59:35,360 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:59:35,360 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:59:35,360 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:59:35,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:59:35" (1/1) ... [2024-11-08 18:59:35,378 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:59:35" (1/1) ... [2024-11-08 18:59:35,433 INFO L138 Inliner]: procedures = 29, calls = 110, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 403 [2024-11-08 18:59:35,437 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:59:35,438 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:59:35,438 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:59:35,438 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:59:35,461 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:59:35" (1/1) ... [2024-11-08 18:59:35,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:59:35" (1/1) ... [2024-11-08 18:59:35,470 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:59:35" (1/1) ... [2024-11-08 18:59:35,511 INFO L175 MemorySlicer]: Split 91 memory accesses to 2 slices as follows [2, 89]. 98 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 9]. The 12 writes are split as follows [0, 12]. [2024-11-08 18:59:35,511 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:59:35" (1/1) ... [2024-11-08 18:59:35,511 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:59:35" (1/1) ... [2024-11-08 18:59:35,538 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:59:35" (1/1) ... [2024-11-08 18:59:35,546 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:59:35" (1/1) ... [2024-11-08 18:59:35,552 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:59:35" (1/1) ... [2024-11-08 18:59:35,557 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:59:35" (1/1) ... [2024-11-08 18:59:35,565 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:59:35,566 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:59:35,569 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:59:35,570 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:59:35,571 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:59:35" (1/1) ... [2024-11-08 18:59:35,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:59:35,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:59:35,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:59:35,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:59:35,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:59:35,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-08 18:59:35,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-08 18:59:35,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 18:59:35,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 18:59:35,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-08 18:59:35,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-08 18:59:35,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 18:59:35,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 18:59:35,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-08 18:59:35,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-08 18:59:35,670 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 18:59:35,670 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 18:59:35,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 18:59:35,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 18:59:35,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:59:35,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:59:35,853 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:59:35,856 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:59:36,499 INFO L? ?]: Removed 106 outVars from TransFormulas that were not future-live. [2024-11-08 18:59:36,499 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:59:36,518 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:59:36,518 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 18:59:36,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:59:36 BoogieIcfgContainer [2024-11-08 18:59:36,519 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:59:36,522 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:59:36,522 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:59:36,526 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:59:36,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:59:34" (1/3) ... [2024-11-08 18:59:36,527 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a72676a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:59:36, skipping insertion in model container [2024-11-08 18:59:36,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:59:35" (2/3) ... [2024-11-08 18:59:36,528 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a72676a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:59:36, skipping insertion in model container [2024-11-08 18:59:36,528 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:59:36" (3/3) ... [2024-11-08 18:59:36,529 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-21.i [2024-11-08 18:59:36,549 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:59:36,550 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 18:59:36,611 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:59:36,618 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@8507c00, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:59:36,618 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 18:59:36,623 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 86 states have (on average 1.4883720930232558) internal successors, (128), 87 states have internal predecessors, (128), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-08 18:59:36,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-08 18:59:36,636 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:59:36,637 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:59:36,637 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:59:36,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:59:36,644 INFO L85 PathProgramCache]: Analyzing trace with hash -171798238, now seen corresponding path program 1 times [2024-11-08 18:59:36,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:59:36,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257314741] [2024-11-08 18:59:36,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:59:36,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:59:36,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:37,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 18:59:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:37,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:59:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:37,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 18:59:37,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:37,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:59:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:37,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:59:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:37,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:59:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:37,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:59:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:37,086 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 18:59:37,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:59:37,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257314741] [2024-11-08 18:59:37,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257314741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:59:37,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:59:37,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:59:37,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485067332] [2024-11-08 18:59:37,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:59:37,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 18:59:37,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:59:37,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 18:59:37,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:59:37,129 INFO L87 Difference]: Start difference. First operand has 96 states, 86 states have (on average 1.4883720930232558) internal successors, (128), 87 states have internal predecessors, (128), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-08 18:59:37,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:59:37,156 INFO L93 Difference]: Finished difference Result 185 states and 285 transitions. [2024-11-08 18:59:37,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 18:59:37,158 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 80 [2024-11-08 18:59:37,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:59:37,166 INFO L225 Difference]: With dead ends: 185 [2024-11-08 18:59:37,167 INFO L226 Difference]: Without dead ends: 92 [2024-11-08 18:59:37,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:59:37,173 INFO L432 NwaCegarLoop]: 135 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, 135 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 [2024-11-08 18:59:37,174 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:59:37,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-08 18:59:37,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-11-08 18:59:37,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 83 states have (on average 1.4578313253012047) internal successors, (121), 83 states have internal predecessors, (121), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-08 18:59:37,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 135 transitions. [2024-11-08 18:59:37,219 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 135 transitions. Word has length 80 [2024-11-08 18:59:37,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:59:37,220 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 135 transitions. [2024-11-08 18:59:37,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-08 18:59:37,220 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 135 transitions. [2024-11-08 18:59:37,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-08 18:59:37,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:59:37,224 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:59:37,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:59:37,225 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:59:37,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:59:37,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1876440356, now seen corresponding path program 1 times [2024-11-08 18:59:37,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:59:37,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628701676] [2024-11-08 18:59:37,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:59:37,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:59:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:37,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 18:59:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:37,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:59:37,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:37,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 18:59:37,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:37,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:59:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:37,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:59:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:37,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:59:37,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:37,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:59:37,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:37,671 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 18:59:37,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:59:37,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628701676] [2024-11-08 18:59:37,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628701676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:59:37,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:59:37,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 18:59:37,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568357772] [2024-11-08 18:59:37,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:59:37,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:59:37,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:59:37,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:59:37,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:59:37,684 INFO L87 Difference]: Start difference. First operand 92 states and 135 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-08 18:59:37,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:59:37,739 INFO L93 Difference]: Finished difference Result 183 states and 270 transitions. [2024-11-08 18:59:37,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:59:37,740 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 80 [2024-11-08 18:59:37,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:59:37,742 INFO L225 Difference]: With dead ends: 183 [2024-11-08 18:59:37,742 INFO L226 Difference]: Without dead ends: 94 [2024-11-08 18:59:37,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:59:37,744 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:59:37,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 388 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:59:37,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-08 18:59:37,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-08 18:59:37,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 85 states have (on average 1.4470588235294117) internal successors, (123), 85 states have internal predecessors, (123), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-08 18:59:37,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 137 transitions. [2024-11-08 18:59:37,756 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 137 transitions. Word has length 80 [2024-11-08 18:59:37,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:59:37,758 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 137 transitions. [2024-11-08 18:59:37,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-08 18:59:37,759 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 137 transitions. [2024-11-08 18:59:37,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-08 18:59:37,761 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:59:37,761 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:59:37,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 18:59:37,765 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:59:37,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:59:37,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1144472930, now seen corresponding path program 1 times [2024-11-08 18:59:37,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:59:37,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635282438] [2024-11-08 18:59:37,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:59:37,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:59:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:37,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 18:59:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:37,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:59:37,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:37,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 18:59:37,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:37,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:59:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:38,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:59:38,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:38,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:59:38,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:38,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:59:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:38,026 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 18:59:38,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:59:38,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635282438] [2024-11-08 18:59:38,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635282438] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:59:38,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:59:38,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 18:59:38,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136322283] [2024-11-08 18:59:38,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:59:38,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:59:38,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:59:38,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:59:38,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:59:38,033 INFO L87 Difference]: Start difference. First operand 94 states and 137 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-08 18:59:38,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:59:38,081 INFO L93 Difference]: Finished difference Result 187 states and 274 transitions. [2024-11-08 18:59:38,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:59:38,082 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 80 [2024-11-08 18:59:38,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:59:38,083 INFO L225 Difference]: With dead ends: 187 [2024-11-08 18:59:38,083 INFO L226 Difference]: Without dead ends: 96 [2024-11-08 18:59:38,084 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:59:38,085 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:59:38,086 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 388 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:59:38,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-08 18:59:38,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-08 18:59:38,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 87 states have (on average 1.4367816091954022) internal successors, (125), 87 states have internal predecessors, (125), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-08 18:59:38,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 139 transitions. [2024-11-08 18:59:38,095 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 139 transitions. Word has length 80 [2024-11-08 18:59:38,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:59:38,096 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 139 transitions. [2024-11-08 18:59:38,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-08 18:59:38,096 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 139 transitions. [2024-11-08 18:59:38,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-08 18:59:38,098 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:59:38,098 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:59:38,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 18:59:38,098 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:59:38,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:59:38,099 INFO L85 PathProgramCache]: Analyzing trace with hash -750106144, now seen corresponding path program 1 times [2024-11-08 18:59:38,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:59:38,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013688461] [2024-11-08 18:59:38,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:59:38,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:59:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:39,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 18:59:39,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:39,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:59:39,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:39,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 18:59:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:39,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:59:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:39,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:59:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:39,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:59:39,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:39,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:59:39,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:39,107 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 18:59:39,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:59:39,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013688461] [2024-11-08 18:59:39,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013688461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:59:39,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:59:39,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 18:59:39,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154439019] [2024-11-08 18:59:39,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:59:39,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 18:59:39,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:59:39,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 18:59:39,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-08 18:59:39,115 INFO L87 Difference]: Start difference. First operand 96 states and 139 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-08 18:59:39,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:59:39,717 INFO L93 Difference]: Finished difference Result 313 states and 455 transitions. [2024-11-08 18:59:39,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:59:39,717 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 80 [2024-11-08 18:59:39,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:59:39,719 INFO L225 Difference]: With dead ends: 313 [2024-11-08 18:59:39,719 INFO L226 Difference]: Without dead ends: 220 [2024-11-08 18:59:39,720 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:59:39,724 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 195 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 705 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 18:59:39,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 705 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 405 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 18:59:39,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-11-08 18:59:39,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 193. [2024-11-08 18:59:39,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 176 states have (on average 1.4204545454545454) internal successors, (250), 176 states have internal predecessors, (250), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 18:59:39,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 278 transitions. [2024-11-08 18:59:39,761 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 278 transitions. Word has length 80 [2024-11-08 18:59:39,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:59:39,762 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 278 transitions. [2024-11-08 18:59:39,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-08 18:59:39,767 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 278 transitions. [2024-11-08 18:59:39,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-08 18:59:39,768 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:59:39,768 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:59:39,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 18:59:39,769 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:59:39,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:59:39,769 INFO L85 PathProgramCache]: Analyzing trace with hash -138639290, now seen corresponding path program 1 times [2024-11-08 18:59:39,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:59:39,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309377689] [2024-11-08 18:59:39,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:59:39,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:59:39,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:39,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 18:59:39,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:39,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:59:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:39,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 18:59:39,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:39,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:59:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:39,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:59:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:39,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:59:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:39,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:59:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:39,966 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 18:59:39,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:59:39,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309377689] [2024-11-08 18:59:39,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309377689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:59:39,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:59:39,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:59:39,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013473073] [2024-11-08 18:59:39,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:59:39,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:59:39,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:59:39,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:59:39,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:59:39,970 INFO L87 Difference]: Start difference. First operand 193 states and 278 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-08 18:59:40,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:59:40,016 INFO L93 Difference]: Finished difference Result 386 states and 557 transitions. [2024-11-08 18:59:40,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:59:40,016 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 83 [2024-11-08 18:59:40,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:59:40,018 INFO L225 Difference]: With dead ends: 386 [2024-11-08 18:59:40,018 INFO L226 Difference]: Without dead ends: 196 [2024-11-08 18:59:40,019 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:59:40,024 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 0 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:59:40,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 513 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:59:40,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-08 18:59:40,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2024-11-08 18:59:40,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 179 states have (on average 1.4078212290502794) internal successors, (252), 179 states have internal predecessors, (252), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 18:59:40,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 280 transitions. [2024-11-08 18:59:40,053 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 280 transitions. Word has length 83 [2024-11-08 18:59:40,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:59:40,054 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 280 transitions. [2024-11-08 18:59:40,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-08 18:59:40,054 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 280 transitions. [2024-11-08 18:59:40,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-08 18:59:40,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:59:40,061 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:59:40,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 18:59:40,061 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:59:40,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:59:40,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1543474385, now seen corresponding path program 1 times [2024-11-08 18:59:40,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:59:40,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006645607] [2024-11-08 18:59:40,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:59:40,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:59:40,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:41,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 18:59:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:41,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:59:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:41,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 18:59:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:41,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:59:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:41,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:59:41,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:41,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:59:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:41,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:59:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:41,640 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 18:59:41,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:59:41,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006645607] [2024-11-08 18:59:41,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006645607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:59:41,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:59:41,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 18:59:41,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10115855] [2024-11-08 18:59:41,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:59:41,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 18:59:41,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:59:41,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 18:59:41,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-08 18:59:41,644 INFO L87 Difference]: Start difference. First operand 196 states and 280 transitions. Second operand has 12 states, 10 states have (on average 5.5) internal successors, (55), 12 states have internal predecessors, (55), 4 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-08 18:59:42,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:59:42,722 INFO L93 Difference]: Finished difference Result 428 states and 606 transitions. [2024-11-08 18:59:42,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 18:59:42,723 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 5.5) internal successors, (55), 12 states have internal predecessors, (55), 4 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 4 states have call successors, (7) Word has length 87 [2024-11-08 18:59:42,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:59:42,725 INFO L225 Difference]: With dead ends: 428 [2024-11-08 18:59:42,725 INFO L226 Difference]: Without dead ends: 332 [2024-11-08 18:59:42,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2024-11-08 18:59:42,728 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 463 mSDsluCounter, 812 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 936 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 18:59:42,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [465 Valid, 936 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 18:59:42,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-08 18:59:42,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 308. [2024-11-08 18:59:42,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 283 states have (on average 1.4028268551236749) internal successors, (397), 285 states have internal predecessors, (397), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 18 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 18:59:42,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 437 transitions. [2024-11-08 18:59:42,795 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 437 transitions. Word has length 87 [2024-11-08 18:59:42,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:59:42,796 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 437 transitions. [2024-11-08 18:59:42,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 5.5) internal successors, (55), 12 states have internal predecessors, (55), 4 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-08 18:59:42,797 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 437 transitions. [2024-11-08 18:59:42,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-08 18:59:42,798 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:59:42,800 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:59:42,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 18:59:42,801 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:59:42,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:59:42,803 INFO L85 PathProgramCache]: Analyzing trace with hash -497866804, now seen corresponding path program 1 times [2024-11-08 18:59:42,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:59:42,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988325463] [2024-11-08 18:59:42,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:59:42,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:59:42,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:44,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 18:59:44,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:44,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:59:44,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:44,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 18:59:44,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:44,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:59:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:44,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:59:44,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:44,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:59:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:44,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:59:44,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:44,452 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 18:59:44,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:59:44,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988325463] [2024-11-08 18:59:44,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988325463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:59:44,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:59:44,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 18:59:44,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383901525] [2024-11-08 18:59:44,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:59:44,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 18:59:44,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:59:44,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 18:59:44,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-08 18:59:44,455 INFO L87 Difference]: Start difference. First operand 308 states and 437 transitions. Second operand has 11 states, 9 states have (on average 6.222222222222222) internal successors, (56), 11 states have internal predecessors, (56), 4 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-08 18:59:45,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:59:45,029 INFO L93 Difference]: Finished difference Result 563 states and 795 transitions. [2024-11-08 18:59:45,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 18:59:45,030 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 6.222222222222222) internal successors, (56), 11 states have internal predecessors, (56), 4 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 4 states have call successors, (7) Word has length 88 [2024-11-08 18:59:45,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:59:45,034 INFO L225 Difference]: With dead ends: 563 [2024-11-08 18:59:45,034 INFO L226 Difference]: Without dead ends: 386 [2024-11-08 18:59:45,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-11-08 18:59:45,036 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 182 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 18:59:45,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 584 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 18:59:45,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-11-08 18:59:45,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 328. [2024-11-08 18:59:45,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 303 states have (on average 1.396039603960396) internal successors, (423), 305 states have internal predecessors, (423), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 18 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 18:59:45,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 463 transitions. [2024-11-08 18:59:45,068 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 463 transitions. Word has length 88 [2024-11-08 18:59:45,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:59:45,068 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 463 transitions. [2024-11-08 18:59:45,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 6.222222222222222) internal successors, (56), 11 states have internal predecessors, (56), 4 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-08 18:59:45,069 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 463 transitions. [2024-11-08 18:59:45,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-08 18:59:45,070 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:59:45,070 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:59:45,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 18:59:45,071 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:59:45,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:59:45,071 INFO L85 PathProgramCache]: Analyzing trace with hash -630375526, now seen corresponding path program 1 times [2024-11-08 18:59:45,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:59:45,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576449264] [2024-11-08 18:59:45,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:59:45,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:59:45,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:45,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 18:59:45,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:45,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:59:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:45,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 18:59:45,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:45,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:59:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:45,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:59:45,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:45,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:59:45,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:45,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:59:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:45,319 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 18:59:45,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:59:45,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576449264] [2024-11-08 18:59:45,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576449264] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:59:45,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:59:45,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 18:59:45,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487136396] [2024-11-08 18:59:45,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:59:45,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 18:59:45,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:59:45,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 18:59:45,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-08 18:59:45,322 INFO L87 Difference]: Start difference. First operand 328 states and 463 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-08 18:59:45,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:59:45,397 INFO L93 Difference]: Finished difference Result 342 states and 479 transitions. [2024-11-08 18:59:45,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 18:59:45,398 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 89 [2024-11-08 18:59:45,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:59:45,400 INFO L225 Difference]: With dead ends: 342 [2024-11-08 18:59:45,400 INFO L226 Difference]: Without dead ends: 340 [2024-11-08 18:59:45,401 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-08 18:59:45,402 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 759 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:59:45,402 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 888 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:59:45,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-08 18:59:45,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2024-11-08 18:59:45,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 315 states have (on average 1.380952380952381) internal successors, (435), 317 states have internal predecessors, (435), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 18 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 18:59:45,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 475 transitions. [2024-11-08 18:59:45,432 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 475 transitions. Word has length 89 [2024-11-08 18:59:45,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:59:45,433 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 475 transitions. [2024-11-08 18:59:45,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-08 18:59:45,433 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 475 transitions. [2024-11-08 18:59:45,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-08 18:59:45,434 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:59:45,435 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:59:45,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 18:59:45,435 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:59:45,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:59:45,436 INFO L85 PathProgramCache]: Analyzing trace with hash -702529049, now seen corresponding path program 1 times [2024-11-08 18:59:45,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:59:45,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092577603] [2024-11-08 18:59:45,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:59:45,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:59:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:46,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 18:59:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:46,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:59:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:46,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 18:59:46,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:46,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:59:46,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:46,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:59:46,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:46,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:59:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:46,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:59:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:46,166 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 18:59:46,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:59:46,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092577603] [2024-11-08 18:59:46,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092577603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:59:46,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:59:46,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 18:59:46,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746688732] [2024-11-08 18:59:46,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:59:46,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 18:59:46,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:59:46,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 18:59:46,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:59:46,170 INFO L87 Difference]: Start difference. First operand 340 states and 475 transitions. Second operand has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-08 18:59:46,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:59:46,754 INFO L93 Difference]: Finished difference Result 863 states and 1196 transitions. [2024-11-08 18:59:46,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 18:59:46,755 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 89 [2024-11-08 18:59:46,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:59:46,758 INFO L225 Difference]: With dead ends: 863 [2024-11-08 18:59:46,758 INFO L226 Difference]: Without dead ends: 550 [2024-11-08 18:59:46,759 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-11-08 18:59:46,760 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 240 mSDsluCounter, 674 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 810 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 18:59:46,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 810 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 18:59:46,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2024-11-08 18:59:46,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 448. [2024-11-08 18:59:46,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 414 states have (on average 1.3768115942028984) internal successors, (570), 416 states have internal predecessors, (570), 27 states have call successors, (27), 6 states have call predecessors, (27), 6 states have return successors, (27), 25 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-08 18:59:46,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 624 transitions. [2024-11-08 18:59:46,801 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 624 transitions. Word has length 89 [2024-11-08 18:59:46,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:59:46,802 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 624 transitions. [2024-11-08 18:59:46,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-08 18:59:46,802 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 624 transitions. [2024-11-08 18:59:46,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-08 18:59:46,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:59:46,804 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:59:46,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 18:59:46,804 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:59:46,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:59:46,805 INFO L85 PathProgramCache]: Analyzing trace with hash 692356930, now seen corresponding path program 1 times [2024-11-08 18:59:46,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:59:46,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478044300] [2024-11-08 18:59:46,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:59:46,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:59:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:46,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 18:59:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:46,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:59:46,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:46,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 18:59:46,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:46,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:59:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:46,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:59:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:46,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:59:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:46,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:59:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:59:46,928 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 18:59:46,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:59:46,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478044300] [2024-11-08 18:59:46,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478044300] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:59:46,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:59:46,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:59:46,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501763872] [2024-11-08 18:59:46,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:59:46,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:59:46,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:59:46,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:59:46,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:59:46,931 INFO L87 Difference]: Start difference. First operand 448 states and 624 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-08 18:59:46,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:59:46,986 INFO L93 Difference]: Finished difference Result 763 states and 1068 transitions. [2024-11-08 18:59:46,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:59:46,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 90 [2024-11-08 18:59:46,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:59:46,990 INFO L225 Difference]: With dead ends: 763 [2024-11-08 18:59:46,990 INFO L226 Difference]: Without dead ends: 453 [2024-11-08 18:59:46,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:59:46,992 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 0 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:59:46,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 262 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:59:46,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2024-11-08 18:59:47,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 453. [2024-11-08 18:59:47,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 419 states have (on average 1.3723150357995226) internal successors, (575), 421 states have internal predecessors, (575), 27 states have call successors, (27), 6 states have call predecessors, (27), 6 states have return successors, (27), 25 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-08 18:59:47,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 629 transitions. [2024-11-08 18:59:47,043 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 629 transitions. Word has length 90 [2024-11-08 18:59:47,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:59:47,043 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 629 transitions. [2024-11-08 18:59:47,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-08 18:59:47,044 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 629 transitions. [2024-11-08 18:59:47,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-08 18:59:47,045 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:59:47,045 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:59:47,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 18:59:47,046 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:59:47,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:59:47,046 INFO L85 PathProgramCache]: Analyzing trace with hash -895990972, now seen corresponding path program 1 times [2024-11-08 18:59:47,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:59:47,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618024866] [2024-11-08 18:59:47,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:59:47,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:59:47,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 18:59:47,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1600644605] [2024-11-08 18:59:47,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:59:47,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:59:47,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:59:47,106 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:59:47,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 18:59:47,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:59:47,342 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:59:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:59:47,572 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:59:47,573 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:59:47,574 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 18:59:47,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 18:59:47,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:59:47,779 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:59:47,919 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:59:47,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:59:47 BoogieIcfgContainer [2024-11-08 18:59:47,922 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:59:47,922 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:59:47,922 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:59:47,922 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:59:47,923 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:59:36" (3/4) ... [2024-11-08 18:59:47,926 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:59:47,927 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:59:47,927 INFO L158 Benchmark]: Toolchain (without parser) took 12975.34ms. Allocated memory was 140.5MB in the beginning and 310.4MB in the end (delta: 169.9MB). Free memory was 109.5MB in the beginning and 186.3MB in the end (delta: -76.8MB). Peak memory consumption was 93.4MB. Max. memory is 16.1GB. [2024-11-08 18:59:47,927 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 140.5MB. Free memory is still 97.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:59:47,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.39ms. Allocated memory is still 140.5MB. Free memory was 109.3MB in the beginning and 93.2MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 18:59:47,928 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.32ms. Allocated memory is still 140.5MB. Free memory was 93.2MB in the beginning and 89.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:59:47,928 INFO L158 Benchmark]: Boogie Preprocessor took 128.08ms. Allocated memory is still 140.5MB. Free memory was 89.9MB in the beginning and 85.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:59:47,929 INFO L158 Benchmark]: RCFGBuilder took 953.01ms. Allocated memory is still 140.5MB. Free memory was 85.7MB in the beginning and 99.4MB in the end (delta: -13.7MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-11-08 18:59:47,929 INFO L158 Benchmark]: TraceAbstraction took 11399.95ms. Allocated memory was 140.5MB in the beginning and 310.4MB in the end (delta: 169.9MB). Free memory was 98.7MB in the beginning and 186.3MB in the end (delta: -87.5MB). Peak memory consumption was 81.5MB. Max. memory is 16.1GB. [2024-11-08 18:59:47,929 INFO L158 Benchmark]: Witness Printer took 4.59ms. Allocated memory is still 310.4MB. Free memory is still 186.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:59:47,931 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 140.5MB. Free memory is still 97.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.39ms. Allocated memory is still 140.5MB. Free memory was 109.3MB in the beginning and 93.2MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.32ms. Allocated memory is still 140.5MB. Free memory was 93.2MB in the beginning and 89.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 128.08ms. Allocated memory is still 140.5MB. Free memory was 89.9MB in the beginning and 85.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 953.01ms. Allocated memory is still 140.5MB. Free memory was 85.7MB in the beginning and 99.4MB in the end (delta: -13.7MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * TraceAbstraction took 11399.95ms. Allocated memory was 140.5MB in the beginning and 310.4MB in the end (delta: 169.9MB). Free memory was 98.7MB in the beginning and 186.3MB in the end (delta: -87.5MB). Peak memory consumption was 81.5MB. Max. memory is 16.1GB. * Witness Printer took 4.59ms. Allocated memory is still 310.4MB. Free memory is still 186.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 103, overapproximation of someBinaryFLOATComparisonOperation at line 96. Possible FailurePath: [L33] unsigned char isInitial = 0; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 32, 0, 15.6, 15.4, 32.2, 1, 256, 5.75, 8.6 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 32, 0, 15.6, 15.4, 32.2, 1, 256, 5.75, 8.6 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 32, 0, 15.6, 15.4, 32.2, 1, 256, 5.75, 8.6 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 32, 0, 15.6, 15.4, 32.2, 1, 256, 5.75, 8.6 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 32, 0, 15.6, 15.4, 32.2, 1, 256, 5.75, 8.6 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 32, 0, 15.6, 15.4, 32.2, 1, 256, 5.75, 8.6 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 32, 0, 15.6, 15.4, 32.2, 1, 256, 5.75, 8.6 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 32, 0, 15.6, 15.4, 32.2, 1, 256, 5.75, 8.6 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 32, 0, 15.6, 15.4, 32.2, 1, 256, 5.75, 8.6 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 32, 0, 15.6, 15.4, 32.2, 1, 256, 5.75, 8.6 }; [L45] unsigned short int* WrapperStruct0_var_1_1_Pointer = &(WrapperStruct0.var_1_1); [L46] unsigned char* WrapperStruct0_var_1_7_Pointer = &(WrapperStruct0.var_1_7); [L47] double* WrapperStruct0_var_1_8_Pointer = &(WrapperStruct0.var_1_8); [L48] double* WrapperStruct0_var_1_9_Pointer = &(WrapperStruct0.var_1_9); [L49] double* WrapperStruct0_var_1_10_Pointer = &(WrapperStruct0.var_1_10); [L50] unsigned char* WrapperStruct0_var_1_12_Pointer = &(WrapperStruct0.var_1_12); [L51] signed short int* WrapperStruct0_var_1_13_Pointer = &(WrapperStruct0.var_1_13); [L52] float* WrapperStruct0_var_1_14_Pointer = &(WrapperStruct0.var_1_14); [L53] float* WrapperStruct0_var_1_15_Pointer = &(WrapperStruct0.var_1_15); [L54] unsigned char last_1_WrapperStruct0_var_1_7 = 0; [L55] signed short int last_1_WrapperStruct0_var_1_13 = 256; VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=0, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L107] isInitial = 1 [L108] FCALL initially() [L109] COND TRUE 1 [L110] CALL updateLastVariables() [L99] EXPR WrapperStruct0.var_1_7 [L99] last_1_WrapperStruct0_var_1_7 = WrapperStruct0.var_1_7 [L100] EXPR WrapperStruct0.var_1_13 [L100] last_1_WrapperStruct0_var_1_13 = WrapperStruct0.var_1_13 [L110] RET updateLastVariables() [L111] CALL updateVariables() [L84] WrapperStruct0.var_1_8 = __VERIFIER_nondet_double() [L85] EXPR WrapperStruct0.var_1_8 [L85] EXPR WrapperStruct0.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L85] EXPR WrapperStruct0.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F [L85] EXPR WrapperStruct0.var_1_8 [L85] EXPR WrapperStruct0.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L85] EXPR (WrapperStruct0.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F) || (WrapperStruct0.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L85] EXPR (WrapperStruct0.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F) || (WrapperStruct0.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L85] CALL assume_abort_if_not((WrapperStruct0.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F) || (WrapperStruct0.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L85] RET assume_abort_if_not((WrapperStruct0.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F) || (WrapperStruct0.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L86] WrapperStruct0.var_1_9 = __VERIFIER_nondet_double() [L87] EXPR WrapperStruct0.var_1_9 [L87] EXPR WrapperStruct0.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_9 <= -1.0e-20F VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L87] EXPR WrapperStruct0.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_9 <= -1.0e-20F [L87] EXPR WrapperStruct0.var_1_9 [L87] EXPR WrapperStruct0.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_9 <= -1.0e-20F VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L87] EXPR (WrapperStruct0.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_9 <= -1.0e-20F) || (WrapperStruct0.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L87] EXPR (WrapperStruct0.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_9 <= -1.0e-20F) || (WrapperStruct0.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L87] CALL assume_abort_if_not((WrapperStruct0.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_9 <= -1.0e-20F) || (WrapperStruct0.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L87] RET assume_abort_if_not((WrapperStruct0.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_9 <= -1.0e-20F) || (WrapperStruct0.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L88] WrapperStruct0.var_1_10 = __VERIFIER_nondet_double() [L89] EXPR WrapperStruct0.var_1_10 [L89] EXPR WrapperStruct0.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_10 <= -1.0e-20F VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L89] EXPR WrapperStruct0.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_10 <= -1.0e-20F [L89] EXPR WrapperStruct0.var_1_10 [L89] EXPR WrapperStruct0.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_10 <= -1.0e-20F VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L89] EXPR (WrapperStruct0.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_10 <= -1.0e-20F) || (WrapperStruct0.var_1_10 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L89] EXPR (WrapperStruct0.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_10 <= -1.0e-20F) || (WrapperStruct0.var_1_10 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L89] CALL assume_abort_if_not((WrapperStruct0.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_10 <= -1.0e-20F) || (WrapperStruct0.var_1_10 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L89] RET assume_abort_if_not((WrapperStruct0.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_10 <= -1.0e-20F) || (WrapperStruct0.var_1_10 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L90] WrapperStruct0.var_1_12 = __VERIFIER_nondet_uchar() [L91] EXPR WrapperStruct0.var_1_12 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L91] CALL assume_abort_if_not(WrapperStruct0.var_1_12 >= 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L91] RET assume_abort_if_not(WrapperStruct0.var_1_12 >= 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L92] EXPR WrapperStruct0.var_1_12 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L92] CALL assume_abort_if_not(WrapperStruct0.var_1_12 <= 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L92] RET assume_abort_if_not(WrapperStruct0.var_1_12 <= 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L93] WrapperStruct0.var_1_14 = __VERIFIER_nondet_float() [L94] EXPR WrapperStruct0.var_1_14 [L94] EXPR WrapperStruct0.var_1_14 >= 0.0F && WrapperStruct0.var_1_14 <= -1.0e-20F VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L94] EXPR WrapperStruct0.var_1_14 >= 0.0F && WrapperStruct0.var_1_14 <= -1.0e-20F [L94] EXPR WrapperStruct0.var_1_14 [L94] EXPR WrapperStruct0.var_1_14 >= 0.0F && WrapperStruct0.var_1_14 <= -1.0e-20F VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L94] EXPR (WrapperStruct0.var_1_14 >= 0.0F && WrapperStruct0.var_1_14 <= -1.0e-20F) || (WrapperStruct0.var_1_14 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_14 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L94] EXPR (WrapperStruct0.var_1_14 >= 0.0F && WrapperStruct0.var_1_14 <= -1.0e-20F) || (WrapperStruct0.var_1_14 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_14 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L94] CALL assume_abort_if_not((WrapperStruct0.var_1_14 >= 0.0F && WrapperStruct0.var_1_14 <= -1.0e-20F) || (WrapperStruct0.var_1_14 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_14 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L94] RET assume_abort_if_not((WrapperStruct0.var_1_14 >= 0.0F && WrapperStruct0.var_1_14 <= -1.0e-20F) || (WrapperStruct0.var_1_14 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_14 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L95] WrapperStruct0.var_1_15 = __VERIFIER_nondet_float() [L96] EXPR WrapperStruct0.var_1_15 [L96] EXPR WrapperStruct0.var_1_15 >= 0.0F && WrapperStruct0.var_1_15 <= -1.0e-20F VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L96] EXPR WrapperStruct0.var_1_15 >= 0.0F && WrapperStruct0.var_1_15 <= -1.0e-20F [L96] EXPR WrapperStruct0.var_1_15 [L96] EXPR WrapperStruct0.var_1_15 >= 0.0F && WrapperStruct0.var_1_15 <= -1.0e-20F VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L96] EXPR (WrapperStruct0.var_1_15 >= 0.0F && WrapperStruct0.var_1_15 <= -1.0e-20F) || (WrapperStruct0.var_1_15 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_15 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L96] EXPR (WrapperStruct0.var_1_15 >= 0.0F && WrapperStruct0.var_1_15 <= -1.0e-20F) || (WrapperStruct0.var_1_15 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_15 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L96] CALL assume_abort_if_not((WrapperStruct0.var_1_15 >= 0.0F && WrapperStruct0.var_1_15 <= -1.0e-20F) || (WrapperStruct0.var_1_15 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_15 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L96] RET assume_abort_if_not((WrapperStruct0.var_1_15 >= 0.0F && WrapperStruct0.var_1_15 <= -1.0e-20F) || (WrapperStruct0.var_1_15 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_15 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L111] RET updateVariables() [L112] CALL step() [L59] COND TRUE (last_1_WrapperStruct0_var_1_13 + ((((last_1_WrapperStruct0_var_1_13) > (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))) < (last_1_WrapperStruct0_var_1_13 * last_1_WrapperStruct0_var_1_13) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L60] COND FALSE !(last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L68] EXPR \read(*WrapperStruct0_var_1_12_Pointer) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L68] COND TRUE (*(WrapperStruct0_var_1_12_Pointer)) [L69] EXPR \read(*WrapperStruct0_var_1_14_Pointer) [L69] EXPR \read(*WrapperStruct0_var_1_15_Pointer) [L69] EXPR \read(*WrapperStruct0_var_1_8_Pointer) [L69] EXPR \read(*WrapperStruct0_var_1_10_Pointer) [L69] EXPR \read(*WrapperStruct0_var_1_9_Pointer) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L69] COND FALSE !(((*(WrapperStruct0_var_1_14_Pointer)) - (*(WrapperStruct0_var_1_15_Pointer))) >= (((*(WrapperStruct0_var_1_8_Pointer)) + (*(WrapperStruct0_var_1_10_Pointer))) + (*(WrapperStruct0_var_1_9_Pointer)))) [L72] EXPR \read(*WrapperStruct0_var_1_1_Pointer) [L72] (*(WrapperStruct0_var_1_13_Pointer)) = (*(WrapperStruct0_var_1_1_Pointer)) [L75] EXPR \read(*WrapperStruct0_var_1_8_Pointer) [L75] EXPR \read(*WrapperStruct0_var_1_9_Pointer) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L75] EXPR (((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))) [L75] EXPR \read(*WrapperStruct0_var_1_8_Pointer) [L75] EXPR (((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L75] EXPR \read(*WrapperStruct0_var_1_10_Pointer) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L75] COND TRUE (((((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) <= (*(WrapperStruct0_var_1_10_Pointer)) [L76] last_1_WrapperStruct0_var_1_7 && ((*(WrapperStruct0_var_1_1_Pointer)) >= (*(WrapperStruct0_var_1_1_Pointer))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L76] last_1_WrapperStruct0_var_1_7 && ((*(WrapperStruct0_var_1_1_Pointer)) >= (*(WrapperStruct0_var_1_1_Pointer))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L76] COND FALSE !(last_1_WrapperStruct0_var_1_7 && ((*(WrapperStruct0_var_1_1_Pointer)) >= (*(WrapperStruct0_var_1_1_Pointer)))) [L112] RET step() [L113] CALL, EXPR property() [L103] EXPR ((last_1_WrapperStruct0_var_1_13 + ((((last_1_WrapperStruct0_var_1_13) > (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))) < (last_1_WrapperStruct0_var_1_13 * last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L103] EXPR (last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1 [L103] EXPR (last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L103] EXPR ((last_1_WrapperStruct0_var_1_13 + ((((last_1_WrapperStruct0_var_1_13) > (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))) < (last_1_WrapperStruct0_var_1_13 * last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L103] EXPR (((last_1_WrapperStruct0_var_1_13 + ((((last_1_WrapperStruct0_var_1_13) > (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))) < (last_1_WrapperStruct0_var_1_13 * last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13))) && (((((((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) <= (*(WrapperStruct0_var_1_10_Pointer))) ? ((last_1_WrapperStruct0_var_1_7 && ((*(WrapperStruct0_var_1_1_Pointer)) >= (*(WrapperStruct0_var_1_1_Pointer)))) ? ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_12_Pointer))))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L103] EXPR (((last_1_WrapperStruct0_var_1_13 + ((((last_1_WrapperStruct0_var_1_13) > (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))) < (last_1_WrapperStruct0_var_1_13 * last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13))) && (((((((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) <= (*(WrapperStruct0_var_1_10_Pointer))) ? ((last_1_WrapperStruct0_var_1_7 && ((*(WrapperStruct0_var_1_1_Pointer)) >= (*(WrapperStruct0_var_1_1_Pointer)))) ? ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_12_Pointer))))) [L103] EXPR \read(*WrapperStruct0_var_1_8_Pointer) [L103] EXPR \read(*WrapperStruct0_var_1_9_Pointer) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L103] EXPR (((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))) [L103] EXPR \read(*WrapperStruct0_var_1_8_Pointer) [L103] EXPR (((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L103] EXPR \read(*WrapperStruct0_var_1_10_Pointer) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L103] EXPR ((((((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) <= (*(WrapperStruct0_var_1_10_Pointer))) ? ((last_1_WrapperStruct0_var_1_7 && ((*(WrapperStruct0_var_1_1_Pointer)) >= (*(WrapperStruct0_var_1_1_Pointer)))) ? ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_12_Pointer)))) [L103] EXPR \read(*WrapperStruct0_var_1_7_Pointer) [L103] EXPR \read(*WrapperStruct0_var_1_12_Pointer) [L103] EXPR ((((((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) <= (*(WrapperStruct0_var_1_10_Pointer))) ? ((last_1_WrapperStruct0_var_1_7 && ((*(WrapperStruct0_var_1_1_Pointer)) >= (*(WrapperStruct0_var_1_1_Pointer)))) ? ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_12_Pointer)))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L103] EXPR (((last_1_WrapperStruct0_var_1_13 + ((((last_1_WrapperStruct0_var_1_13) > (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))) < (last_1_WrapperStruct0_var_1_13 * last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13))) && (((((((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) <= (*(WrapperStruct0_var_1_10_Pointer))) ? ((last_1_WrapperStruct0_var_1_7 && ((*(WrapperStruct0_var_1_1_Pointer)) >= (*(WrapperStruct0_var_1_1_Pointer)))) ? ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_12_Pointer))))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L103] EXPR ((((last_1_WrapperStruct0_var_1_13 + ((((last_1_WrapperStruct0_var_1_13) > (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))) < (last_1_WrapperStruct0_var_1_13 * last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13))) && (((((((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) <= (*(WrapperStruct0_var_1_10_Pointer))) ? ((last_1_WrapperStruct0_var_1_7 && ((*(WrapperStruct0_var_1_1_Pointer)) >= (*(WrapperStruct0_var_1_1_Pointer)))) ? ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_12_Pointer)))))) && ((*(WrapperStruct0_var_1_12_Pointer)) ? ((((*(WrapperStruct0_var_1_14_Pointer)) - (*(WrapperStruct0_var_1_15_Pointer))) >= (((*(WrapperStruct0_var_1_8_Pointer)) + (*(WrapperStruct0_var_1_10_Pointer))) + (*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_13_Pointer)) == ((signed short int) (((((*(WrapperStruct0_var_1_1_Pointer))) > ((*(WrapperStruct0_var_1_1_Pointer)))) ? ((*(WrapperStruct0_var_1_1_Pointer))) : ((*(WrapperStruct0_var_1_1_Pointer))))))) : ((*(WrapperStruct0_var_1_13_Pointer)) == ((signed short int) (*(WrapperStruct0_var_1_1_Pointer))))) : 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L103] EXPR ((((last_1_WrapperStruct0_var_1_13 + ((((last_1_WrapperStruct0_var_1_13) > (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))) < (last_1_WrapperStruct0_var_1_13 * last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13))) && (((((((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) <= (*(WrapperStruct0_var_1_10_Pointer))) ? ((last_1_WrapperStruct0_var_1_7 && ((*(WrapperStruct0_var_1_1_Pointer)) >= (*(WrapperStruct0_var_1_1_Pointer)))) ? ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_12_Pointer)))))) && ((*(WrapperStruct0_var_1_12_Pointer)) ? ((((*(WrapperStruct0_var_1_14_Pointer)) - (*(WrapperStruct0_var_1_15_Pointer))) >= (((*(WrapperStruct0_var_1_8_Pointer)) + (*(WrapperStruct0_var_1_10_Pointer))) + (*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_13_Pointer)) == ((signed short int) (((((*(WrapperStruct0_var_1_1_Pointer))) > ((*(WrapperStruct0_var_1_1_Pointer)))) ? ((*(WrapperStruct0_var_1_1_Pointer))) : ((*(WrapperStruct0_var_1_1_Pointer))))))) : ((*(WrapperStruct0_var_1_13_Pointer)) == ((signed short int) (*(WrapperStruct0_var_1_1_Pointer))))) : 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L103-L104] return ((((last_1_WrapperStruct0_var_1_13 + ((((last_1_WrapperStruct0_var_1_13) > (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))) < (last_1_WrapperStruct0_var_1_13 * last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13))) && (((((((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) <= (*(WrapperStruct0_var_1_10_Pointer))) ? ((last_1_WrapperStruct0_var_1_7 && ((*(WrapperStruct0_var_1_1_Pointer)) >= (*(WrapperStruct0_var_1_1_Pointer)))) ? ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_12_Pointer)))))) && ((*(WrapperStruct0_var_1_12_Pointer)) ? ((((*(WrapperStruct0_var_1_14_Pointer)) - (*(WrapperStruct0_var_1_15_Pointer))) >= (((*(WrapperStruct0_var_1_8_Pointer)) + (*(WrapperStruct0_var_1_10_Pointer))) + (*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_13_Pointer)) == ((signed short int) (((((*(WrapperStruct0_var_1_1_Pointer))) > ((*(WrapperStruct0_var_1_1_Pointer)))) ? ((*(WrapperStruct0_var_1_1_Pointer))) : ((*(WrapperStruct0_var_1_1_Pointer))))))) : ((*(WrapperStruct0_var_1_13_Pointer)) == ((signed short int) (*(WrapperStruct0_var_1_1_Pointer))))) : 1) ; [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L19] reach_error() VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.2s, OverallIterations: 11, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1084 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1080 mSDsluCounter, 5609 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4341 mSDsCounter, 81 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1964 IncrementalHoareTripleChecker+Invalid, 2045 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 81 mSolverCounterUnsat, 1268 mSDtfsCounter, 1964 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 240 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=453occurred in iteration=10, InterpolantAutomatonStates: 59, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 211 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 1026 NumberOfCodeBlocks, 1026 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 836 ConstructedInterpolants, 0 QuantifiedInterpolants, 3855 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 840/840 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 [2024-11-08 18:59:47,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash abb22874cc515e6597c493938d8a3907b8ef4cc1e14b264963b72f5eff3fe5c3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:59:50,455 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:59:50,551 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 18:59:50,558 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:59:50,561 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:59:50,613 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:59:50,614 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:59:50,614 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:59:50,615 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:59:50,616 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:59:50,616 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:59:50,617 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:59:50,617 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:59:50,619 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:59:50,621 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:59:50,622 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:59:50,622 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:59:50,622 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:59:50,623 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:59:50,623 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:59:50,623 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:59:50,628 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:59:50,628 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:59:50,628 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 18:59:50,629 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 18:59:50,629 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:59:50,629 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 18:59:50,630 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:59:50,630 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:59:50,630 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:59:50,631 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:59:50,631 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:59:50,631 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:59:50,633 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:59:50,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:59:50,634 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:59:50,635 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:59:50,636 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:59:50,636 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 18:59:50,636 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 18:59:50,636 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:59:50,637 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:59:50,637 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:59:50,637 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:59:50,638 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abb22874cc515e6597c493938d8a3907b8ef4cc1e14b264963b72f5eff3fe5c3 [2024-11-08 18:59:50,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:59:51,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:59:51,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:59:51,027 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:59:51,027 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:59:51,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-21.i Unable to find full path for "g++" [2024-11-08 18:59:53,062 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:59:53,412 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:59:53,414 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-21.i [2024-11-08 18:59:53,429 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/data/1315be71e/be0f3086a392445ab9f2af155c3be86c/FLAG8e394b3ae [2024-11-08 18:59:53,654 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/data/1315be71e/be0f3086a392445ab9f2af155c3be86c [2024-11-08 18:59:53,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:59:53,658 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:59:53,660 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:59:53,660 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:59:53,666 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:59:53,667 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:59:53" (1/1) ... [2024-11-08 18:59:53,669 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5344e3a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:59:53, skipping insertion in model container [2024-11-08 18:59:53,669 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:59:53" (1/1) ... [2024-11-08 18:59:53,709 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:59:53,967 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_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-21.i[917,930] [2024-11-08 18:59:54,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:59:54,084 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:59:54,122 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_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-21.i[917,930] [2024-11-08 18:59:54,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:59:54,222 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:59:54,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:59:54 WrapperNode [2024-11-08 18:59:54,222 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:59:54,224 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:59:54,224 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:59:54,224 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:59:54,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:59:54" (1/1) ... [2024-11-08 18:59:54,256 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:59:54" (1/1) ... [2024-11-08 18:59:54,299 INFO L138 Inliner]: procedures = 36, calls = 110, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 403 [2024-11-08 18:59:54,300 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:59:54,300 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:59:54,301 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:59:54,301 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:59:54,317 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:59:54" (1/1) ... [2024-11-08 18:59:54,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:59:54" (1/1) ... [2024-11-08 18:59:54,333 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:59:54" (1/1) ... [2024-11-08 18:59:54,375 INFO L175 MemorySlicer]: Split 91 memory accesses to 2 slices as follows [2, 89]. 98 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 9]. The 12 writes are split as follows [0, 12]. [2024-11-08 18:59:54,378 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:59:54" (1/1) ... [2024-11-08 18:59:54,379 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:59:54" (1/1) ... [2024-11-08 18:59:54,415 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:59:54" (1/1) ... [2024-11-08 18:59:54,427 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:59:54" (1/1) ... [2024-11-08 18:59:54,434 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:59:54" (1/1) ... [2024-11-08 18:59:54,441 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:59:54" (1/1) ... [2024-11-08 18:59:54,453 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:59:54,454 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:59:54,454 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:59:54,454 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:59:54,455 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:59:54" (1/1) ... [2024-11-08 18:59:54,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:59:54,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:59:54,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:59:54,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:59:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:59:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-08 18:59:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-08 18:59:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-08 18:59:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-08 18:59:54,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-08 18:59:54,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-08 18:59:54,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-08 18:59:54,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-08 18:59:54,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 18:59:54,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-08 18:59:54,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-08 18:59:54,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-08 18:59:54,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-08 18:59:54,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-08 18:59:54,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-08 18:59:54,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-08 18:59:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-08 18:59:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-08 18:59:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-08 18:59:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-08 18:59:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 18:59:54,535 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 18:59:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:59:54,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:59:54,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-08 18:59:54,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-08 18:59:54,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-08 18:59:54,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-08 18:59:54,687 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:59:54,689 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:00:04,525 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2024-11-08 19:00:04,526 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:00:04,556 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:00:04,557 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:00:04,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:00:04 BoogieIcfgContainer [2024-11-08 19:00:04,557 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:00:04,560 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:00:04,560 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:00:04,563 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:00:04,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:59:53" (1/3) ... [2024-11-08 19:00:04,565 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66723c80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:00:04, skipping insertion in model container [2024-11-08 19:00:04,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:59:54" (2/3) ... [2024-11-08 19:00:04,565 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66723c80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:00:04, skipping insertion in model container [2024-11-08 19:00:04,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:00:04" (3/3) ... [2024-11-08 19:00:04,567 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-21.i [2024-11-08 19:00:04,585 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:00:04,586 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:00:04,649 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:00:04,655 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@70b08161, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:00:04,655 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 19:00:04,659 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 86 states have (on average 1.4883720930232558) internal successors, (128), 87 states have internal predecessors, (128), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-08 19:00:04,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-08 19:00:04,671 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:00:04,671 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:00:04,672 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:00:04,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:00:04,678 INFO L85 PathProgramCache]: Analyzing trace with hash -171798238, now seen corresponding path program 1 times [2024-11-08 19:00:04,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:00:04,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1687986827] [2024-11-08 19:00:04,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:00:04,699 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 [2024-11-08 19:00:04,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:00:04,703 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:00:04,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:00:05,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:00:05,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 19:00:05,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:00:05,220 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-08 19:00:05,222 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:00:05,223 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:00:05,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1687986827] [2024-11-08 19:00:05,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1687986827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:00:05,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:00:05,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:00:05,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329398221] [2024-11-08 19:00:05,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:00:05,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:00:05,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:00:05,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:00:05,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:00:05,263 INFO L87 Difference]: Start difference. First operand has 96 states, 86 states have (on average 1.4883720930232558) internal successors, (128), 87 states have internal predecessors, (128), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-08 19:00:05,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:00:05,305 INFO L93 Difference]: Finished difference Result 185 states and 285 transitions. [2024-11-08 19:00:05,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 19:00:05,308 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 80 [2024-11-08 19:00:05,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:00:05,321 INFO L225 Difference]: With dead ends: 185 [2024-11-08 19:00:05,322 INFO L226 Difference]: Without dead ends: 92 [2024-11-08 19:00:05,327 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:00:05,332 INFO L432 NwaCegarLoop]: 135 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, 135 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 [2024-11-08 19:00:05,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:00:05,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-08 19:00:05,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-11-08 19:00:05,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 83 states have (on average 1.4578313253012047) internal successors, (121), 83 states have internal predecessors, (121), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-08 19:00:05,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 135 transitions. [2024-11-08 19:00:05,389 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 135 transitions. Word has length 80 [2024-11-08 19:00:05,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:00:05,390 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 135 transitions. [2024-11-08 19:00:05,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-08 19:00:05,391 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 135 transitions. [2024-11-08 19:00:05,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-08 19:00:05,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:00:05,398 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:00:05,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:00:05,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:00:05,599 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:00:05,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:00:05,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1876440356, now seen corresponding path program 1 times [2024-11-08 19:00:05,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:00:05,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1433261228] [2024-11-08 19:00:05,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:00:05,601 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 [2024-11-08 19:00:05,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:00:05,609 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:00:05,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:00:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:00:06,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:00:06,038 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:00:06,109 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 19:00:06,110 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:00:06,110 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:00:06,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1433261228] [2024-11-08 19:00:06,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1433261228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:00:06,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:00:06,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:00:06,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028844130] [2024-11-08 19:00:06,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:00:06,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:00:06,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:00:06,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:00:06,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:00:06,115 INFO L87 Difference]: Start difference. First operand 92 states and 135 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-08 19:00:06,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:00:06,215 INFO L93 Difference]: Finished difference Result 183 states and 270 transitions. [2024-11-08 19:00:06,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:00:06,216 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 80 [2024-11-08 19:00:06,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:00:06,217 INFO L225 Difference]: With dead ends: 183 [2024-11-08 19:00:06,218 INFO L226 Difference]: Without dead ends: 94 [2024-11-08 19:00:06,218 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:00:06,220 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:00:06,220 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 388 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:00:06,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-08 19:00:06,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-08 19:00:06,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 85 states have (on average 1.4470588235294117) internal successors, (123), 85 states have internal predecessors, (123), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-08 19:00:06,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 137 transitions. [2024-11-08 19:00:06,230 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 137 transitions. Word has length 80 [2024-11-08 19:00:06,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:00:06,232 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 137 transitions. [2024-11-08 19:00:06,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-08 19:00:06,233 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 137 transitions. [2024-11-08 19:00:06,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-08 19:00:06,234 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:00:06,234 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:00:06,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:00:06,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:00:06,439 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:00:06,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:00:06,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1144472930, now seen corresponding path program 1 times [2024-11-08 19:00:06,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:00:06,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [964686280] [2024-11-08 19:00:06,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:00:06,441 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 [2024-11-08 19:00:06,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:00:06,445 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:00:06,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:00:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:00:06,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:00:06,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:00:06,885 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-08 19:00:06,888 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:00:06,889 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:00:06,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [964686280] [2024-11-08 19:00:06,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [964686280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:00:06,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:00:06,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:00:06,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310076400] [2024-11-08 19:00:06,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:00:06,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:00:06,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:00:06,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:00:06,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:00:06,896 INFO L87 Difference]: Start difference. First operand 94 states and 137 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-08 19:00:06,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:00:06,989 INFO L93 Difference]: Finished difference Result 187 states and 274 transitions. [2024-11-08 19:00:06,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:00:06,990 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 80 [2024-11-08 19:00:06,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:00:06,996 INFO L225 Difference]: With dead ends: 187 [2024-11-08 19:00:06,996 INFO L226 Difference]: Without dead ends: 96 [2024-11-08 19:00:06,997 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:00:07,001 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:00:07,002 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 388 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:00:07,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-08 19:00:07,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-08 19:00:07,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 87 states have (on average 1.4367816091954022) internal successors, (125), 87 states have internal predecessors, (125), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-08 19:00:07,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 139 transitions. [2024-11-08 19:00:07,008 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 139 transitions. Word has length 80 [2024-11-08 19:00:07,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:00:07,008 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 139 transitions. [2024-11-08 19:00:07,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-08 19:00:07,009 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 139 transitions. [2024-11-08 19:00:07,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-08 19:00:07,010 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:00:07,010 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:00:07,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:00:07,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:00:07,211 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:00:07,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:00:07,212 INFO L85 PathProgramCache]: Analyzing trace with hash -750106144, now seen corresponding path program 1 times [2024-11-08 19:00:07,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:00:07,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [73636030] [2024-11-08 19:00:07,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:00:07,213 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 [2024-11-08 19:00:07,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:00:07,216 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:00:07,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:00:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:00:07,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:00:07,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:00:07,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-08 19:00:08,059 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 19:00:08,060 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:00:08,060 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:00:08,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [73636030] [2024-11-08 19:00:08,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [73636030] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:00:08,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:00:08,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:00:08,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449069026] [2024-11-08 19:00:08,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:00:08,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:00:08,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:00:08,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:00:08,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:00:08,063 INFO L87 Difference]: Start difference. First operand 96 states and 139 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-08 19:00:10,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:00:14,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:00:17,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:00:21,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:00:23,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:00:26,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:00:30,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:00:32,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:00:32,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:00:32,829 INFO L93 Difference]: Finished difference Result 313 states and 455 transitions. [2024-11-08 19:00:32,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:00:32,850 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 80 [2024-11-08 19:00:32,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:00:32,854 INFO L225 Difference]: With dead ends: 313 [2024-11-08 19:00:32,854 INFO L226 Difference]: Without dead ends: 220 [2024-11-08 19:00:32,855 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:00:32,856 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 192 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 24 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.7s IncrementalHoareTripleChecker+Time [2024-11-08 19:00:32,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 310 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 124 Invalid, 2 Unknown, 0 Unchecked, 24.7s Time] [2024-11-08 19:00:32,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-11-08 19:00:32,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 193. [2024-11-08 19:00:32,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 176 states have (on average 1.4204545454545454) internal successors, (250), 176 states have internal predecessors, (250), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 19:00:32,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 278 transitions. [2024-11-08 19:00:32,894 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 278 transitions. Word has length 80 [2024-11-08 19:00:32,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:00:32,894 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 278 transitions. [2024-11-08 19:00:32,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-08 19:00:32,895 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 278 transitions. [2024-11-08 19:00:32,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-08 19:00:32,896 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:00:32,896 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:00:32,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-08 19:00:33,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:00:33,097 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:00:33,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:00:33,098 INFO L85 PathProgramCache]: Analyzing trace with hash -138639290, now seen corresponding path program 1 times [2024-11-08 19:00:33,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:00:33,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [218131126] [2024-11-08 19:00:33,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:00:33,099 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 [2024-11-08 19:00:33,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:00:33,102 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:00:33,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:00:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:00:33,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 19:00:33,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:00:33,554 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 19:00:33,554 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:00:33,555 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:00:33,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [218131126] [2024-11-08 19:00:33,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [218131126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:00:33,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:00:33,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:00:33,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747758368] [2024-11-08 19:00:33,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:00:33,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:00:33,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:00:33,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:00:33,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:00:33,558 INFO L87 Difference]: Start difference. First operand 193 states and 278 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-08 19:00:33,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:00:33,753 INFO L93 Difference]: Finished difference Result 386 states and 557 transitions. [2024-11-08 19:00:33,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:00:33,754 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 83 [2024-11-08 19:00:33,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:00:33,756 INFO L225 Difference]: With dead ends: 386 [2024-11-08 19:00:33,756 INFO L226 Difference]: Without dead ends: 196 [2024-11-08 19:00:33,757 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:00:33,758 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 0 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:00:33,758 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 513 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:00:33,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-08 19:00:33,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2024-11-08 19:00:33,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 179 states have (on average 1.4078212290502794) internal successors, (252), 179 states have internal predecessors, (252), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 19:00:33,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 280 transitions. [2024-11-08 19:00:33,773 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 280 transitions. Word has length 83 [2024-11-08 19:00:33,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:00:33,774 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 280 transitions. [2024-11-08 19:00:33,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-08 19:00:33,774 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 280 transitions. [2024-11-08 19:00:33,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-08 19:00:33,776 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:00:33,776 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:00:33,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-08 19:00:33,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:00:33,977 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:00:33,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:00:33,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1543474385, now seen corresponding path program 1 times [2024-11-08 19:00:33,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:00:33,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1564214189] [2024-11-08 19:00:33,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:00:33,978 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 [2024-11-08 19:00:33,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:00:33,982 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:00:33,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:00:34,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:00:34,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 19:00:34,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:00:34,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-11-08 19:00:34,775 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-08 19:00:34,775 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:00:34,775 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:00:34,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1564214189] [2024-11-08 19:00:34,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1564214189] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:00:34,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:00:34,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:00:34,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102836248] [2024-11-08 19:00:34,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:00:34,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:00:34,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:00:34,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:00:34,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:00:34,778 INFO L87 Difference]: Start difference. First operand 196 states and 280 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-08 19:00:37,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:00:38,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:00:41,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:00:43,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:00:46,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:00:46,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:00:46,841 INFO L93 Difference]: Finished difference Result 389 states and 557 transitions. [2024-11-08 19:00:46,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:00:46,842 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 87 [2024-11-08 19:00:46,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:00:46,843 INFO L225 Difference]: With dead ends: 389 [2024-11-08 19:00:46,843 INFO L226 Difference]: Without dead ends: 196 [2024-11-08 19:00:46,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-08 19:00:46,845 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 104 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:00:46,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 386 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 12.0s Time] [2024-11-08 19:00:46,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-08 19:00:46,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 192. [2024-11-08 19:00:46,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 175 states have (on average 1.4057142857142857) internal successors, (246), 175 states have internal predecessors, (246), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 19:00:46,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 274 transitions. [2024-11-08 19:00:46,860 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 274 transitions. Word has length 87 [2024-11-08 19:00:46,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:00:46,861 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 274 transitions. [2024-11-08 19:00:46,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-08 19:00:46,861 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 274 transitions. [2024-11-08 19:00:46,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-08 19:00:46,863 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:00:46,863 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:00:46,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-08 19:00:47,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:00:47,064 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:00:47,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:00:47,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1027725975, now seen corresponding path program 1 times [2024-11-08 19:00:47,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:00:47,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1152534664] [2024-11-08 19:00:47,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:00:47,066 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 [2024-11-08 19:00:47,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:00:47,067 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:00:47,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:00:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:00:47,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 19:00:47,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:00:47,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 40 [2024-11-08 19:00:48,108 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 24 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 19:00:48,109 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:00:48,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 22 [2024-11-08 19:00:48,632 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-08 19:00:48,632 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:00:48,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1152534664] [2024-11-08 19:00:48,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1152534664] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 19:00:48,632 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 19:00:48,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2024-11-08 19:00:48,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071185682] [2024-11-08 19:00:48,633 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 19:00:48,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 19:00:48,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:00:48,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 19:00:48,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-08 19:00:48,636 INFO L87 Difference]: Start difference. First operand 192 states and 274 transitions. Second operand has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 12 states have internal predecessors, (91), 4 states have call successors, (13), 3 states have call predecessors, (13), 4 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-08 19:00:52,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:00:55,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:00:58,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:01:00,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:01:00,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:01:00,444 INFO L93 Difference]: Finished difference Result 403 states and 571 transitions. [2024-11-08 19:01:00,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 19:01:00,446 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 12 states have internal predecessors, (91), 4 states have call successors, (13), 3 states have call predecessors, (13), 4 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) Word has length 89 [2024-11-08 19:01:00,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:01:00,447 INFO L225 Difference]: With dead ends: 403 [2024-11-08 19:01:00,447 INFO L226 Difference]: Without dead ends: 192 [2024-11-08 19:01:00,448 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2024-11-08 19:01:00,449 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 121 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2024-11-08 19:01:00,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 554 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time] [2024-11-08 19:01:00,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-11-08 19:01:00,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2024-11-08 19:01:00,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 175 states have (on average 1.3828571428571428) internal successors, (242), 175 states have internal predecessors, (242), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 19:01:00,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 270 transitions. [2024-11-08 19:01:00,465 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 270 transitions. Word has length 89 [2024-11-08 19:01:00,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:01:00,465 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 270 transitions. [2024-11-08 19:01:00,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 12 states have internal predecessors, (91), 4 states have call successors, (13), 3 states have call predecessors, (13), 4 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-08 19:01:00,466 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 270 transitions. [2024-11-08 19:01:00,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-08 19:01:00,467 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:01:00,468 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:01:00,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:01:00,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:01:00,668 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:01:00,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:01:00,669 INFO L85 PathProgramCache]: Analyzing trace with hash 134239637, now seen corresponding path program 1 times [2024-11-08 19:01:00,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:01:00,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [696786760] [2024-11-08 19:01:00,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:01:00,670 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 [2024-11-08 19:01:00,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:01:00,671 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:01:00,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:01:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:00,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 19:01:00,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:01:01,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-11-08 19:01:01,562 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 19:01:01,563 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:01:01,563 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:01:01,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [696786760] [2024-11-08 19:01:01,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [696786760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:01:01,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:01:01,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:01:01,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179018346] [2024-11-08 19:01:01,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:01:01,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:01:01,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:01:01,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:01:01,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:01:01,568 INFO L87 Difference]: Start difference. First operand 192 states and 270 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-08 19:01:04,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:01:07,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:01:10,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:01:14,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:01:15,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:01:15,123 INFO L93 Difference]: Finished difference Result 383 states and 539 transitions. [2024-11-08 19:01:15,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:01:15,124 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 89 [2024-11-08 19:01:15,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:01:15,126 INFO L225 Difference]: With dead ends: 383 [2024-11-08 19:01:15,126 INFO L226 Difference]: Without dead ends: 194 [2024-11-08 19:01:15,126 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-08 19:01:15,127 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 91 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:01:15,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 373 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 13.4s Time] [2024-11-08 19:01:15,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-08 19:01:15,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 192. [2024-11-08 19:01:15,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 175 states have (on average 1.3714285714285714) internal successors, (240), 175 states have internal predecessors, (240), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 19:01:15,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 268 transitions. [2024-11-08 19:01:15,150 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 268 transitions. Word has length 89 [2024-11-08 19:01:15,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:01:15,151 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 268 transitions. [2024-11-08 19:01:15,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-08 19:01:15,151 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 268 transitions. [2024-11-08 19:01:15,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-08 19:01:15,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:01:15,153 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:01:15,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:01:15,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:01:15,357 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:01:15,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:01:15,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1456906513, now seen corresponding path program 1 times [2024-11-08 19:01:15,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:01:15,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1052033119] [2024-11-08 19:01:15,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:01:15,358 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 [2024-11-08 19:01:15,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:01:15,359 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:01:15,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:01:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:15,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 19:01:15,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:01:16,631 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 19:01:17,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2024-11-08 19:01:18,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2024-11-08 19:01:18,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-08 19:01:18,666 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 39 proven. 30 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 19:01:18,666 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:01:19,044 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:01:19,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1052033119] [2024-11-08 19:01:19,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1052033119] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:01:19,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111200527] [2024-11-08 19:01:19,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:01:19,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:01:19,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:01:19,048 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:01:19,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-08 19:01:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:19,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 19:01:19,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:01:21,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-08 19:01:22,336 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:01:22,336 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 45 treesize of output 29 [2024-11-08 19:01:22,647 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-08 19:01:22,647 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:01:23,065 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 19:01:23,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111200527] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:01:23,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-08 19:01:23,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12, 11] total 25 [2024-11-08 19:01:23,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010783463] [2024-11-08 19:01:23,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:01:23,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:01:23,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:01:23,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:01:23,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=666, Unknown=0, NotChecked=0, Total=756 [2024-11-08 19:01:23,069 INFO L87 Difference]: Start difference. First operand 192 states and 268 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-08 19:01:26,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:01:28,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:01:32,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:01:34,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:01:37,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:01:40,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:01:42,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:01:43,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:01:43,080 INFO L93 Difference]: Finished difference Result 326 states and 454 transitions. [2024-11-08 19:01:43,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:01:43,081 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 91 [2024-11-08 19:01:43,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:01:43,083 INFO L225 Difference]: With dead ends: 326 [2024-11-08 19:01:43,083 INFO L226 Difference]: Without dead ends: 232 [2024-11-08 19:01:43,084 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=102, Invalid=828, Unknown=0, NotChecked=0, Total=930 [2024-11-08 19:01:43,085 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 37 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2024-11-08 19:01:43,085 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 521 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 19.9s Time] [2024-11-08 19:01:43,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-08 19:01:43,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 212. [2024-11-08 19:01:43,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 195 states have (on average 1.3641025641025641) internal successors, (266), 195 states have internal predecessors, (266), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 19:01:43,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 294 transitions. [2024-11-08 19:01:43,097 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 294 transitions. Word has length 91 [2024-11-08 19:01:43,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:01:43,098 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 294 transitions. [2024-11-08 19:01:43,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-08 19:01:43,098 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 294 transitions. [2024-11-08 19:01:43,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-08 19:01:43,100 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:01:43,100 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:01:43,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:01:43,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-08 19:01:43,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:01:43,501 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:01:43,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:01:43,502 INFO L85 PathProgramCache]: Analyzing trace with hash 956970842, now seen corresponding path program 1 times [2024-11-08 19:01:43,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:01:43,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1128993699] [2024-11-08 19:01:43,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:01:43,502 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 [2024-11-08 19:01:43,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:01:43,503 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:01:43,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:01:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:43,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 19:01:43,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:01:43,914 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 19:01:43,914 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:01:43,914 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:01:43,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1128993699] [2024-11-08 19:01:43,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1128993699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:01:43,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:01:43,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:01:43,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741314395] [2024-11-08 19:01:43,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:01:43,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:01:43,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:01:43,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:01:43,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:01:43,916 INFO L87 Difference]: Start difference. First operand 212 states and 294 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-08 19:01:44,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:01:44,009 INFO L93 Difference]: Finished difference Result 222 states and 305 transitions. [2024-11-08 19:01:44,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:01:44,010 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 93 [2024-11-08 19:01:44,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:01:44,012 INFO L225 Difference]: With dead ends: 222 [2024-11-08 19:01:44,012 INFO L226 Difference]: Without dead ends: 220 [2024-11-08 19:01:44,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:01:44,013 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:01:44,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 625 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:01:44,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-11-08 19:01:44,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2024-11-08 19:01:44,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 203 states have (on average 1.3497536945812807) internal successors, (274), 203 states have internal predecessors, (274), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 19:01:44,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 302 transitions. [2024-11-08 19:01:44,026 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 302 transitions. Word has length 93 [2024-11-08 19:01:44,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:01:44,026 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 302 transitions. [2024-11-08 19:01:44,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-08 19:01:44,027 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 302 transitions. [2024-11-08 19:01:44,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-08 19:01:44,029 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:01:44,029 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:01:44,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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)] Ended with exit code 0 [2024-11-08 19:01:44,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:01:44,230 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:01:44,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:01:44,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1821802075, now seen corresponding path program 1 times [2024-11-08 19:01:44,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:01:44,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [307452947] [2024-11-08 19:01:44,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:01:44,231 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 [2024-11-08 19:01:44,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:01:44,234 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:01:44,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 (13)] Waiting until timeout for monitored process [2024-11-08 19:01:44,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:44,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 19:01:44,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:01:44,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-08 19:01:45,186 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 19:01:45,187 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:01:45,187 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:01:45,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [307452947] [2024-11-08 19:01:45,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [307452947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:01:45,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:01:45,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:01:45,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456895210] [2024-11-08 19:01:45,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:01:45,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:01:45,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:01:45,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:01:45,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:01:45,190 INFO L87 Difference]: Start difference. First operand 220 states and 302 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-08 19:01:48,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:01:50,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:01:52,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:01:56,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:01:59,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:02:01,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:02:05,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:02:08,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:02:08,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:02:08,544 INFO L93 Difference]: Finished difference Result 478 states and 652 transitions. [2024-11-08 19:02:08,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:02:08,545 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 93 [2024-11-08 19:02:08,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:02:08,547 INFO L225 Difference]: With dead ends: 478 [2024-11-08 19:02:08,547 INFO L226 Difference]: Without dead ends: 261 [2024-11-08 19:02:08,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:02:08,549 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 166 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:02:08,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 409 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 23.2s Time] [2024-11-08 19:02:08,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-08 19:02:08,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 221. [2024-11-08 19:02:08,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 204 states have (on average 1.3284313725490196) internal successors, (271), 204 states have internal predecessors, (271), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 19:02:08,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 299 transitions. [2024-11-08 19:02:08,564 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 299 transitions. Word has length 93 [2024-11-08 19:02:08,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:02:08,565 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 299 transitions. [2024-11-08 19:02:08,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-08 19:02:08,566 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 299 transitions. [2024-11-08 19:02:08,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-08 19:02:08,567 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:02:08,567 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:02:08,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 (13)] Ended with exit code 0 [2024-11-08 19:02:08,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:02:08,768 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:02:08,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:02:08,768 INFO L85 PathProgramCache]: Analyzing trace with hash 884817319, now seen corresponding path program 1 times [2024-11-08 19:02:08,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:02:08,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [415916431] [2024-11-08 19:02:08,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:02:08,769 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:02:08,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:02:08,770 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:02:08,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 (14)] Waiting until timeout for monitored process [2024-11-08 19:02:09,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:02:09,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 19:02:09,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:02:10,537 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:02:10,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 223 treesize of output 125 [2024-11-08 19:02:11,028 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 19:02:11,028 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:02:11,028 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:02:11,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [415916431] [2024-11-08 19:02:11,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [415916431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:02:11,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:02:11,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 19:02:11,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241106524] [2024-11-08 19:02:11,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:02:11,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 19:02:11,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:02:11,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 19:02:11,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:02:11,032 INFO L87 Difference]: Start difference. First operand 221 states and 299 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-08 19:02:17,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:02:19,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:02:22,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:02:29,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:02:34,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:02:37,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:02:40,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:02:43,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:02:45,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:02:45,344 INFO L93 Difference]: Finished difference Result 528 states and 712 transitions. [2024-11-08 19:02:45,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 19:02:45,346 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 93 [2024-11-08 19:02:45,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:02:45,348 INFO L225 Difference]: With dead ends: 528 [2024-11-08 19:02:45,348 INFO L226 Difference]: Without dead ends: 310 [2024-11-08 19:02:45,348 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-08 19:02:45,349 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 42 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.3s IncrementalHoareTripleChecker+Time [2024-11-08 19:02:45,349 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 723 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 415 Invalid, 1 Unknown, 0 Unchecked, 33.3s Time] [2024-11-08 19:02:45,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2024-11-08 19:02:45,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 260. [2024-11-08 19:02:45,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 243 states have (on average 1.3209876543209877) internal successors, (321), 243 states have internal predecessors, (321), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 19:02:45,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 349 transitions. [2024-11-08 19:02:45,365 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 349 transitions. Word has length 93 [2024-11-08 19:02:45,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:02:45,365 INFO L471 AbstractCegarLoop]: Abstraction has 260 states and 349 transitions. [2024-11-08 19:02:45,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-08 19:02:45,366 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 349 transitions. [2024-11-08 19:02:45,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-08 19:02:45,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:02:45,368 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:02:45,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 (14)] Ended with exit code 0 [2024-11-08 19:02:45,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:02:45,569 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:02:45,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:02:45,569 INFO L85 PathProgramCache]: Analyzing trace with hash 491790309, now seen corresponding path program 1 times [2024-11-08 19:02:45,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:02:45,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1970494371] [2024-11-08 19:02:45,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:02:45,570 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 [2024-11-08 19:02:45,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:02:45,571 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:02:45,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 (15)] Waiting until timeout for monitored process [2024-11-08 19:02:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:02:46,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 19:02:46,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:02:46,632 INFO L349 Elim1Store]: treesize reduction 15, result has 71.7 percent of original size [2024-11-08 19:02:46,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 178 treesize of output 95 [2024-11-08 19:02:46,881 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 19:02:46,881 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:02:46,881 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:02:46,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1970494371] [2024-11-08 19:02:46,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1970494371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:02:46,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:02:46,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:02:46,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102195486] [2024-11-08 19:02:46,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:02:46,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:02:46,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:02:46,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:02:46,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:02:46,885 INFO L87 Difference]: Start difference. First operand 260 states and 349 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-08 19:02:51,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:02:54,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:02:57,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:03:01,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:03:04,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:03:06,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:03:07,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:03:07,675 INFO L93 Difference]: Finished difference Result 563 states and 754 transitions. [2024-11-08 19:03:07,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:03:07,677 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 93 [2024-11-08 19:03:07,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:03:07,678 INFO L225 Difference]: With dead ends: 563 [2024-11-08 19:03:07,679 INFO L226 Difference]: Without dead ends: 306 [2024-11-08 19:03:07,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:03:07,680 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 36 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2024-11-08 19:03:07,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 467 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 20.6s Time] [2024-11-08 19:03:07,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-11-08 19:03:07,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 260. [2024-11-08 19:03:07,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 243 states have (on average 1.3127572016460904) internal successors, (319), 243 states have internal predecessors, (319), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 19:03:07,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 347 transitions. [2024-11-08 19:03:07,694 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 347 transitions. Word has length 93 [2024-11-08 19:03:07,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:03:07,695 INFO L471 AbstractCegarLoop]: Abstraction has 260 states and 347 transitions. [2024-11-08 19:03:07,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-08 19:03:07,695 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 347 transitions. [2024-11-08 19:03:07,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-08 19:03:07,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:03:07,696 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:03:07,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 (15)] Ended with exit code 0 [2024-11-08 19:03:07,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:03:07,898 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:03:07,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:03:07,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1307519145, now seen corresponding path program 1 times [2024-11-08 19:03:07,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:03:07,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1113722107] [2024-11-08 19:03:07,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:03:07,899 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 [2024-11-08 19:03:07,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:03:07,902 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:03:07,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 (16)] Waiting until timeout for monitored process [2024-11-08 19:03:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:03:08,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 19:03:08,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:03:08,762 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:03:08,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 179 treesize of output 111 [2024-11-08 19:03:09,054 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 19:03:09,055 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:03:09,055 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:03:09,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1113722107] [2024-11-08 19:03:09,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1113722107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:03:09,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:03:09,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:03:09,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386021747] [2024-11-08 19:03:09,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:03:09,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:03:09,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:03:09,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:03:09,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:03:09,058 INFO L87 Difference]: Start difference. First operand 260 states and 347 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-08 19:03:12,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:03:14,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:03:17,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:03:20,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:03:23,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:03:26,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:03:29,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:03:30,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:03:30,716 INFO L93 Difference]: Finished difference Result 577 states and 770 transitions. [2024-11-08 19:03:30,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:03:30,718 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 93 [2024-11-08 19:03:30,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:03:30,720 INFO L225 Difference]: With dead ends: 577 [2024-11-08 19:03:30,720 INFO L226 Difference]: Without dead ends: 320 [2024-11-08 19:03:30,721 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:03:30,722 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 39 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:03:30,722 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 468 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 21.4s Time] [2024-11-08 19:03:30,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2024-11-08 19:03:30,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 272. [2024-11-08 19:03:30,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 255 states have (on average 1.3098039215686275) internal successors, (334), 255 states have internal predecessors, (334), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 19:03:30,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 362 transitions. [2024-11-08 19:03:30,742 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 362 transitions. Word has length 93 [2024-11-08 19:03:30,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:03:30,743 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 362 transitions. [2024-11-08 19:03:30,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-08 19:03:30,743 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 362 transitions. [2024-11-08 19:03:30,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-08 19:03:30,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:03:30,745 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:03:30,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 (16)] Forceful destruction successful, exit code 0 [2024-11-08 19:03:30,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:03:30,946 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:03:30,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:03:30,946 INFO L85 PathProgramCache]: Analyzing trace with hash 914492135, now seen corresponding path program 1 times [2024-11-08 19:03:30,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:03:30,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [812531640] [2024-11-08 19:03:30,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:03:30,947 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 [2024-11-08 19:03:30,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:03:30,948 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:03:30,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 (17)] Waiting until timeout for monitored process [2024-11-08 19:03:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:03:31,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 19:03:31,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:03:32,067 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:03:32,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 178 treesize of output 110 [2024-11-08 19:03:32,546 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 19:03:32,546 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:03:32,547 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:03:32,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [812531640] [2024-11-08 19:03:32,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [812531640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:03:32,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:03:32,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 19:03:32,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541794212] [2024-11-08 19:03:32,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:03:32,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:03:32,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:03:32,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:03:32,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:03:32,550 INFO L87 Difference]: Start difference. First operand 272 states and 362 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-08 19:03:37,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:03:40,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:03:42,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:03:46,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:03:48,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:03:54,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:03:57,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:03:59,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:04:04,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:04:07,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:04:08,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:04:08,396 INFO L93 Difference]: Finished difference Result 589 states and 783 transitions. [2024-11-08 19:04:08,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:04:08,398 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 93 [2024-11-08 19:04:08,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:04:08,400 INFO L225 Difference]: With dead ends: 589 [2024-11-08 19:04:08,400 INFO L226 Difference]: Without dead ends: 320 [2024-11-08 19:04:08,401 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-08 19:04:08,402 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 38 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.6s IncrementalHoareTripleChecker+Time [2024-11-08 19:04:08,402 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 570 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 265 Invalid, 1 Unknown, 0 Unchecked, 35.6s Time] [2024-11-08 19:04:08,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2024-11-08 19:04:08,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 270. [2024-11-08 19:04:08,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 253 states have (on average 1.308300395256917) internal successors, (331), 253 states have internal predecessors, (331), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 19:04:08,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 359 transitions. [2024-11-08 19:04:08,419 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 359 transitions. Word has length 93 [2024-11-08 19:04:08,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:04:08,420 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 359 transitions. [2024-11-08 19:04:08,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-08 19:04:08,420 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 359 transitions. [2024-11-08 19:04:08,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 19:04:08,421 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:04:08,421 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:04:08,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 (17)] Ended with exit code 0 [2024-11-08 19:04:08,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:04:08,622 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:04:08,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:04:08,622 INFO L85 PathProgramCache]: Analyzing trace with hash -528714842, now seen corresponding path program 1 times [2024-11-08 19:04:08,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:04:08,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [969793496] [2024-11-08 19:04:08,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:04:08,623 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 [2024-11-08 19:04:08,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:04:08,624 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:04:08,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 (18)] Waiting until timeout for monitored process [2024-11-08 19:04:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:08,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 19:04:08,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:04:09,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-08 19:04:09,554 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 19:04:09,554 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:04:09,554 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:04:09,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [969793496] [2024-11-08 19:04:09,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [969793496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:04:09,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:04:09,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:04:09,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589376798] [2024-11-08 19:04:09,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:04:09,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:04:09,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:04:09,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:04:09,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:04:09,556 INFO L87 Difference]: Start difference. First operand 270 states and 359 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-08 19:04:13,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:04:17,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:04:22,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:04:25,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:04:30,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:04:32,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:04:35,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:04:37,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:04:41,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:04:44,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:04:44,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:04:44,393 INFO L93 Difference]: Finished difference Result 582 states and 768 transitions. [2024-11-08 19:04:44,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:04:44,394 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 94 [2024-11-08 19:04:44,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:04:44,395 INFO L225 Difference]: With dead ends: 582 [2024-11-08 19:04:44,396 INFO L226 Difference]: Without dead ends: 315 [2024-11-08 19:04:44,396 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:04:44,397 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 149 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 24 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.7s IncrementalHoareTripleChecker+Time [2024-11-08 19:04:44,397 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 409 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 170 Invalid, 2 Unknown, 0 Unchecked, 34.7s Time] [2024-11-08 19:04:44,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-11-08 19:04:44,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 288. [2024-11-08 19:04:44,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 271 states have (on average 1.2878228782287824) internal successors, (349), 271 states have internal predecessors, (349), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 19:04:44,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 377 transitions. [2024-11-08 19:04:44,412 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 377 transitions. Word has length 94 [2024-11-08 19:04:44,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:04:44,413 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 377 transitions. [2024-11-08 19:04:44,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-08 19:04:44,413 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 377 transitions. [2024-11-08 19:04:44,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 19:04:44,414 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:04:44,414 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:04:44,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 (18)] Ended with exit code 0 [2024-11-08 19:04:44,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:04:44,615 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:04:44,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:04:44,616 INFO L85 PathProgramCache]: Analyzing trace with hash -241683482, now seen corresponding path program 1 times [2024-11-08 19:04:44,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:04:44,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [664845461] [2024-11-08 19:04:44,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:04:44,616 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 [2024-11-08 19:04:44,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:04:44,617 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:04:44,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 (19)] Waiting until timeout for monitored process [2024-11-08 19:04:44,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:44,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:04:44,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:04:45,024 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 19:04:45,024 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:04:45,025 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:04:45,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [664845461] [2024-11-08 19:04:45,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [664845461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:04:45,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:04:45,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:04:45,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181635937] [2024-11-08 19:04:45,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:04:45,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:04:45,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:04:45,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:04:45,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:04:45,027 INFO L87 Difference]: Start difference. First operand 288 states and 377 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-08 19:04:45,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:04:45,171 INFO L93 Difference]: Finished difference Result 577 states and 756 transitions. [2024-11-08 19:04:45,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:04:45,172 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 94 [2024-11-08 19:04:45,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:04:45,174 INFO L225 Difference]: With dead ends: 577 [2024-11-08 19:04:45,174 INFO L226 Difference]: Without dead ends: 292 [2024-11-08 19:04:45,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:04:45,176 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 0 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:04:45,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 625 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:04:45,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-08 19:04:45,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 289. [2024-11-08 19:04:45,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 272 states have (on average 1.2830882352941178) internal successors, (349), 272 states have internal predecessors, (349), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 19:04:45,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 377 transitions. [2024-11-08 19:04:45,191 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 377 transitions. Word has length 94 [2024-11-08 19:04:45,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:04:45,191 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 377 transitions. [2024-11-08 19:04:45,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-08 19:04:45,192 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 377 transitions. [2024-11-08 19:04:45,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-08 19:04:45,193 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:04:45,193 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:04:45,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 (19)] Forceful destruction successful, exit code 0 [2024-11-08 19:04:45,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:04:45,394 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:04:45,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:04:45,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1441009960, now seen corresponding path program 1 times [2024-11-08 19:04:45,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:04:45,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [539381878] [2024-11-08 19:04:45,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:04:45,395 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 [2024-11-08 19:04:45,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:04:45,396 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:04:45,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 (20)] Waiting until timeout for monitored process [2024-11-08 19:04:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:45,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 19:04:45,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:04:46,071 INFO L349 Elim1Store]: treesize reduction 18, result has 45.5 percent of original size [2024-11-08 19:04:46,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 28 [2024-11-08 19:04:46,609 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 19:04:46,609 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:04:46,610 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:04:46,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [539381878] [2024-11-08 19:04:46,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [539381878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:04:46,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:04:46,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 19:04:46,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704253436] [2024-11-08 19:04:46,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:04:46,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 19:04:46,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:04:46,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 19:04:46,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 19:04:46,612 INFO L87 Difference]: Start difference. First operand 289 states and 377 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-08 19:04:51,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:04:53,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:04:57,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:05:00,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:05:03,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:05:04,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:05:04,174 INFO L93 Difference]: Finished difference Result 699 states and 910 transitions. [2024-11-08 19:05:04,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 19:05:04,175 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 95 [2024-11-08 19:05:04,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:05:04,177 INFO L225 Difference]: With dead ends: 699 [2024-11-08 19:05:04,177 INFO L226 Difference]: Without dead ends: 413 [2024-11-08 19:05:04,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-08 19:05:04,179 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 69 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2024-11-08 19:05:04,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 571 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 356 Invalid, 1 Unknown, 0 Unchecked, 17.3s Time] [2024-11-08 19:05:04,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-11-08 19:05:04,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 355. [2024-11-08 19:05:04,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 338 states have (on average 1.2928994082840237) internal successors, (437), 338 states have internal predecessors, (437), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 19:05:04,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 465 transitions. [2024-11-08 19:05:04,194 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 465 transitions. Word has length 95 [2024-11-08 19:05:04,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:05:04,195 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 465 transitions. [2024-11-08 19:05:04,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-08 19:05:04,195 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 465 transitions. [2024-11-08 19:05:04,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 19:05:04,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:05:04,197 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:05:04,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 (20)] Forceful destruction successful, exit code 0 [2024-11-08 19:05:04,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:05:04,398 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:05:04,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:05:04,398 INFO L85 PathProgramCache]: Analyzing trace with hash 526946245, now seen corresponding path program 1 times [2024-11-08 19:05:04,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:05:04,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [172450085] [2024-11-08 19:05:04,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:04,399 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 [2024-11-08 19:05:04,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:05:04,400 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:05:04,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 (21)] Waiting until timeout for monitored process [2024-11-08 19:05:05,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:05:05,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-08 19:05:05,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:05:05,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 12 [2024-11-08 19:05:06,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 28 [2024-11-08 19:05:11,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 50 [2024-11-08 19:05:20,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 64 [2024-11-08 19:05:21,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 67 [2024-11-08 19:05:23,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 67 [2024-11-08 19:05:25,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 76 [2024-11-08 19:05:26,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 79 [2024-11-08 19:05:27,635 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:05:27,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 99 treesize of output 55 [2024-11-08 19:05:27,935 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 48 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 19:05:27,935 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:05:29,191 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:05:29,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [172450085] [2024-11-08 19:05:29,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [172450085] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:05:29,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191751817] [2024-11-08 19:05:29,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:29,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:05:29,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:05:29,193 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:05:29,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-08 19:05:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:05:29,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-08 19:05:29,616 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:05:29,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 12 [2024-11-08 19:05:55,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 28 [2024-11-08 19:05:59,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2024-11-08 19:06:24,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 53 [2024-11-08 19:06:38,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 56 [2024-11-08 19:06:39,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 56 [2024-11-08 19:06:45,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 65 [2024-11-08 19:06:58,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 69 [2024-11-08 19:07:03,674 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:07:03,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 91 treesize of output 51 [2024-11-08 19:07:03,707 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 33 proven. 39 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 19:07:03,707 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:07:04,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1191751817] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:07:04,321 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 19:07:04,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 21 [2024-11-08 19:07:04,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513838470] [2024-11-08 19:07:04,321 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 19:07:04,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-08 19:07:04,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:07:04,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-08 19:07:04,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=680, Unknown=23, NotChecked=0, Total=812 [2024-11-08 19:07:04,323 INFO L87 Difference]: Start difference. First operand 355 states and 465 transitions. Second operand has 22 states, 21 states have (on average 6.285714285714286) internal successors, (132), 21 states have internal predecessors, (132), 9 states have call successors, (13), 8 states have call predecessors, (13), 9 states have return successors, (13), 8 states have call predecessors, (13), 9 states have call successors, (13) [2024-11-08 19:07:11,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:07:14,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:07:18,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:07:22,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.41s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:07:31,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:07:36,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:07:38,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:07:42,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:07:46,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:07:49,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:07:57,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:08:01,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:08:06,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:08:10,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:08:13,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:08:19,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:08:22,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:08:26,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:08:28,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:08:30,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:30,256 INFO L93 Difference]: Finished difference Result 833 states and 1111 transitions. [2024-11-08 19:08:30,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-08 19:08:30,257 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.285714285714286) internal successors, (132), 21 states have internal predecessors, (132), 9 states have call successors, (13), 8 states have call predecessors, (13), 9 states have return successors, (13), 8 states have call predecessors, (13), 9 states have call successors, (13) Word has length 96 [2024-11-08 19:08:30,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:30,261 INFO L225 Difference]: With dead ends: 833 [2024-11-08 19:08:30,261 INFO L226 Difference]: Without dead ends: 831 [2024-11-08 19:08:30,262 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 225 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 105.8s TimeCoverageRelationStatistics Valid=416, Invalid=1723, Unknown=23, NotChecked=0, Total=2162 [2024-11-08 19:08:30,263 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 522 mSDsluCounter, 1327 mSDsCounter, 0 mSdLazyCounter, 1574 mSolverCounterSat, 106 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 79.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 1460 SdHoareTripleChecker+Invalid, 1687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 1574 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 80.5s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:30,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [526 Valid, 1460 Invalid, 1687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 1574 Invalid, 7 Unknown, 0 Unchecked, 80.5s Time] [2024-11-08 19:08:30,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2024-11-08 19:08:30,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 682. [2024-11-08 19:08:30,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 657 states have (on average 1.3211567732115677) internal successors, (868), 657 states have internal predecessors, (868), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-08 19:08:30,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 910 transitions. [2024-11-08 19:08:30,308 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 910 transitions. Word has length 96 [2024-11-08 19:08:30,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:30,309 INFO L471 AbstractCegarLoop]: Abstraction has 682 states and 910 transitions. [2024-11-08 19:08:30,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.285714285714286) internal successors, (132), 21 states have internal predecessors, (132), 9 states have call successors, (13), 8 states have call predecessors, (13), 9 states have return successors, (13), 8 states have call predecessors, (13), 9 states have call successors, (13) [2024-11-08 19:08:30,309 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 910 transitions. [2024-11-08 19:08:30,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-08 19:08:30,311 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:30,311 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:08:30,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-08 19:08:30,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 (21)] Forceful destruction successful, exit code 0 [2024-11-08 19:08:30,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:08:30,712 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:30,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:30,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1627186880, now seen corresponding path program 1 times [2024-11-08 19:08:30,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:08:30,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [151488032] [2024-11-08 19:08:30,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:30,713 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 [2024-11-08 19:08:30,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:08:30,715 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:08:30,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 (23)] Waiting until timeout for monitored process [2024-11-08 19:08:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:31,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:08:31,396 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:08:31,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-08 19:08:31,441 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 19:08:31,441 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:08:31,441 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:08:31,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [151488032] [2024-11-08 19:08:31,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [151488032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:08:31,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:08:31,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:08:31,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472178823] [2024-11-08 19:08:31,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:31,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:08:31,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:08:31,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:08:31,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:08:31,443 INFO L87 Difference]: Start difference. First operand 682 states and 910 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-08 19:08:31,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:31,494 INFO L93 Difference]: Finished difference Result 1223 states and 1649 transitions. [2024-11-08 19:08:31,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:08:31,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 98 [2024-11-08 19:08:31,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:31,498 INFO L225 Difference]: With dead ends: 1223 [2024-11-08 19:08:31,499 INFO L226 Difference]: Without dead ends: 682 [2024-11-08 19:08:31,500 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:08:31,501 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:31,501 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 254 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:08:31,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2024-11-08 19:08:31,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2024-11-08 19:08:31,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 657 states have (on average 1.3165905631659056) internal successors, (865), 657 states have internal predecessors, (865), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-08 19:08:31,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 907 transitions. [2024-11-08 19:08:31,543 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 907 transitions. Word has length 98 [2024-11-08 19:08:31,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:31,543 INFO L471 AbstractCegarLoop]: Abstraction has 682 states and 907 transitions. [2024-11-08 19:08:31,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-08 19:08:31,544 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 907 transitions. [2024-11-08 19:08:31,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-08 19:08:31,545 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:31,545 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:08:31,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 (23)] Forceful destruction successful, exit code 0 [2024-11-08 19:08:31,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:08:31,746 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:31,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:31,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1689226494, now seen corresponding path program 1 times [2024-11-08 19:08:31,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:08:31,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [870389540] [2024-11-08 19:08:31,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:31,748 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 [2024-11-08 19:08:31,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:08:31,751 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:08:31,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 (24)] Waiting until timeout for monitored process [2024-11-08 19:08:32,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:32,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-08 19:08:32,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:08:33,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 28 [2024-11-08 19:08:38,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 34 [2024-11-08 19:08:38,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2024-11-08 19:08:47,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2024-11-08 19:08:48,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2024-11-08 19:08:49,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2024-11-08 19:08:59,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 56 [2024-11-08 19:08:59,951 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 60 [2024-11-08 19:09:00,901 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:09:00,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 85 treesize of output 49 [2024-11-08 19:09:01,185 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 32 proven. 24 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 19:09:01,185 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:09:02,911 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:09:02,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [870389540] [2024-11-08 19:09:02,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [870389540] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:09:02,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821974905] [2024-11-08 19:09:02,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:09:02,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:09:02,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:09:02,913 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:09:02,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-08 19:09:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:09:03,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-08 19:09:03,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:09:03,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 28 [2024-11-08 19:09:33,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 50 [2024-11-08 19:10:06,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 21 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 56 [2024-11-08 19:10:07,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 64 [2024-11-08 19:10:17,580 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 67 [2024-11-08 19:10:18,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 67 [2024-11-08 19:10:33,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 78 [2024-11-08 19:10:46,247 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 81 [2024-11-08 19:10:51,584 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:10:51,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 104 treesize of output 56 [2024-11-08 19:10:51,617 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 29 proven. 39 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-08 19:10:51,618 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:10:52,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821974905] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:10:52,092 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 19:10:52,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17] total 22 [2024-11-08 19:10:52,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901862175] [2024-11-08 19:10:52,092 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 19:10:52,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-08 19:10:52,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:10:52,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-08 19:10:52,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=792, Unknown=28, NotChecked=0, Total=930 [2024-11-08 19:10:52,094 INFO L87 Difference]: Start difference. First operand 682 states and 907 transitions. Second operand has 23 states, 22 states have (on average 6.090909090909091) internal successors, (134), 22 states have internal predecessors, (134), 7 states have call successors, (14), 6 states have call predecessors, (14), 7 states have return successors, (14), 6 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-08 19:11:03,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:11:06,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:11:18,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:11:22,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:11:34,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:11:38,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:11:43,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:11:47,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:11:49,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:11:53,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:11:56,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:12:01,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:12:03,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:12:06,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:12:06,888 INFO L93 Difference]: Finished difference Result 830 states and 1103 transitions. [2024-11-08 19:12:06,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-08 19:12:06,889 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 6.090909090909091) internal successors, (134), 22 states have internal predecessors, (134), 7 states have call successors, (14), 6 states have call predecessors, (14), 7 states have return successors, (14), 6 states have call predecessors, (14), 7 states have call successors, (14) Word has length 98 [2024-11-08 19:12:06,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:12:06,892 INFO L225 Difference]: With dead ends: 830 [2024-11-08 19:12:06,893 INFO L226 Difference]: Without dead ends: 828 [2024-11-08 19:12:06,894 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 231 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 131.9s TimeCoverageRelationStatistics Valid=463, Invalid=2160, Unknown=29, NotChecked=0, Total=2652 [2024-11-08 19:12:06,895 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 775 mSDsluCounter, 1556 mSDsCounter, 0 mSdLazyCounter, 1916 mSolverCounterSat, 148 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 775 SdHoareTripleChecker+Valid, 1687 SdHoareTripleChecker+Invalid, 2066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 1916 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.8s IncrementalHoareTripleChecker+Time [2024-11-08 19:12:06,895 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [775 Valid, 1687 Invalid, 2066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 1916 Invalid, 2 Unknown, 0 Unchecked, 63.8s Time] [2024-11-08 19:12:06,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2024-11-08 19:12:06,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 567. [2024-11-08 19:12:06,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 542 states have (on average 1.3154981549815499) internal successors, (713), 542 states have internal predecessors, (713), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-08 19:12:06,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 755 transitions. [2024-11-08 19:12:06,940 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 755 transitions. Word has length 98 [2024-11-08 19:12:06,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:12:06,941 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 755 transitions. [2024-11-08 19:12:06,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.090909090909091) internal successors, (134), 22 states have internal predecessors, (134), 7 states have call successors, (14), 6 states have call predecessors, (14), 7 states have return successors, (14), 6 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-08 19:12:06,941 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 755 transitions. [2024-11-08 19:12:06,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-08 19:12:06,943 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:12:06,943 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:12:06,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-08 19:12:07,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 (24)] Forceful destruction successful, exit code 0 [2024-11-08 19:12:07,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:12:07,344 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:12:07,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:12:07,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1935319554, now seen corresponding path program 1 times [2024-11-08 19:12:07,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:12:07,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1339835329] [2024-11-08 19:12:07,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:12:07,345 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 [2024-11-08 19:12:07,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:12:07,346 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:12:07,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/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 (26)] Waiting until timeout for monitored process [2024-11-08 19:12:08,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:12:08,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-08 19:12:08,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:12:08,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2024-11-08 19:12:13,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2024-11-08 19:12:22,243 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 53 [2024-11-08 19:12:35,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 56 [2024-11-08 19:12:36,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 56 [2024-11-08 19:12:37,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 56 [2024-11-08 19:12:51,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 65 [2024-11-08 19:12:51,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 69 [2024-11-08 19:12:53,193 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:12:53,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 68 treesize of output 36 [2024-11-08 19:12:53,612 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 36 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 19:12:53,613 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:12:55,156 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:12:55,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1339835329] [2024-11-08 19:12:55,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1339835329] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:12:55,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978838910] [2024-11-08 19:12:55,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:12:55,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:12:55,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:12:55,158 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:12:55,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2ba631-bff3-4fd0-96fc-a93eef3f9fa1/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-08 19:12:55,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:12:55,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-08 19:12:55,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:12:55,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 28 [2024-11-08 19:14:01,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 34 [2024-11-08 19:14:02,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42